Issue 1:
when using x.nest.land, which redirects to the arweave URL

full error

error: TS2345 [ERROR]: Argument of type 'import("https://x.nest.land/std@0.74.0/log/logger.ts").LogRecord' is not assignable to parameter of type 'import("https://nghbeaead2s4n5znqogrk627qxhfdfterapmd3orofnyqlfusora.arweave.net/aY4SAIAepcb3LYONFXtfhc5RlmSIHsHt0XFbiCy0k6I/log/logger.ts").LogRecord'.
Property '#args' in type 'LogRecord' refers to a different member that cannot be accessed from within type 'LogRecord'.
handler.handle(record);
~~~~~~
at https://x.nest.land/std@0.74.0/log/logger.ts:116:22

TS2416 [ERROR]: Property 'format' in type 'ConsoleHandler' is not assignable to the same property in base type 'BaseHandler'.
Type '(logRecord: import("https://x.nest.land/std@0.74.0/log/logger.ts").LogRecord) => string' is not assignable to type '(logRecord: import("https://nghbeaead2s4n5znqogrk627qxhfdfterapmd3orofnyqlfusora.arweave.net/aY4SAIAepcb3LYONFXtfhc5RlmSIHsHt0XFbiCy0k6I/log/logger.ts").LogRecord) => string'.
Types of parameters 'logRecord' and 'logRecord' are incompatible.
Type 'import("https://nghbeaead2s4n5znqogrk627qxhfdfterapmd3orofnyqlfusora.arweave.net/aY4SAIAepcb3LYONFXtfhc5RlmSIHsHt0XFbiCy0k6I/log/logger.ts").LogRecord' is not assignable to type 'import("https://x.nest.land/std@0.74.0/log/logger.ts").LogRecord'.
Property '#args' in type 'LogRecord' refers to a different member that cannot be accessed from within type 'LogRecord'.
format(logRecord: LogRecord): string {
~~~~~~
at file:///C:/Users/maela/code/gh/nestdotland/eggs/src/utilities/log.ts:35:3

TS2416 [ERROR]: Property 'format' in type 'FileHandler' is not assignable to the same property in base type 'BaseHandler'.
Type '(logRecord: import("https://x.nest.land/std@0.74.0/log/logger.ts").LogRecord) => string' is not assignable to type '(logRecord: import("https://nghbeaead2s4n5znqogrk627qxhfdfterapmd3orofnyqlfusora.arweave.net/aY4SAIAepcb3LYONFXtfhc5RlmSIHsHt0XFbiCy0k6I/log/logger.ts").LogRecord) => string'.
Types of parameters 'logRecord' and 'logRecord' are incompatible.
Type 'import("https://nghbeaead2s4n5znqogrk627qxhfdfterapmd3orofnyqlfusora.arweave.net/aY4SAIAepcb3LYONFXtfhc5RlmSIHsHt0XFbiCy0k6I/log/logger.ts").LogRecord' is not assignable to type 'import("https://x.nest.land/std@0.74.0/log/logger.ts").LogRecord'.
format(logRecord: LogRecord): string {
~~~~~~
at file:///C:/Users/maela/code/gh/nestdotland/eggs/src/utilities/log.ts:77:3

TS2322 [ERROR]: Type 'ConsoleHandler' is not assignable to type 'BaseHandler'.
Types of property 'format' are incompatible.
Type '(logRecord: import("https://x.nest.land/std@0.74.0/log/logger.ts").LogRecord) => string' is not assignable to type '(logRecord: import("https://nghbeaead2s4n5znqogrk627qxhfdfterapmd3orofnyqlfusora.arweave.net/aY4SAIAepcb3LYONFXtfhc5RlmSIHsHt0XFbiCy0k6I/log/logger.ts").LogRecord) => string'.
Types of parameters 'logRecord' and 'logRecord' are incompatible.
Type 'import("https://nghbeaead2s4n5znqogrk627qxhfdfterapmd3orofnyqlfusora.arweave.net/aY4SAIAepcb3LYONFXtfhc5RlmSIHsHt0XFbiCy0k6I/log/logger.ts").LogRecord' is not assignable to type 'import("https://x.nest.land/std@0.74.0/log/logger.ts").LogRecord'.
console: new ConsoleHandler(debugEnabled ? "DEBUG" : "INFO"),
~~~~~~~
at file:///C:/Users/maela/code/gh/nestdotland/eggs/src/utilities/log.ts:122:7

TS2322 [ERROR]: Type 'FileHandler' is not assignable to type 'BaseHandler'.
Types of property 'format' are incompatible.
Type '(logRecord: import("https://x.nest.land/std@0.74.0/log/logger.ts").LogRecord) => string' is not assignable to type '(logRecord: import("https://nghbeaead2s4n5znqogrk627qxhfdfterapmd3orofnyqlfusora.arweave.net/aY4SAIAepcb3LYONFXtfhc5RlmSIHsHt0XFbiCy0k6I/log/logger.ts").LogRecord) => string'.
Types of parameters 'logRecord' and 'logRecord' are incompatible.
Type 'import("https://nghbeaead2s4n5znqogrk627qxhfdfterapmd3orofnyqlfusora.arweave.net/aY4SAIAepcb3LYONFXtfhc5RlmSIHsHt0XFbiCy0k6I/log/logger.ts").LogRecord' is not assignable to type 'import("https://x.nest.land/std@0.74.0/log/logger.ts").LogRecord'.
file: new FileHandler("DEBUG"),
~~~~
at file:///C:/Users/maela/code/gh/nestdotland/eggs/src/utilities/log.ts:123:7

Found 5 errors.

when using envoy, which proxies to the arweave URL. note that the source is still the same as using nest.land directly.

this only happens in deno v1.5

Issue 2:
// main.ts
import { serve } from "https://deno.land/std/http/server.ts";

1.4.6

❯❯❯ rm -rf $DENO_DIR
❯❯❯ deno1.4.6 run -A --reload main.ts
Download https://deno.land/std/http/server.ts
Warning Implicitly using latest version (0.75.0) for https://deno.land/std/http/server.ts
(snip)
Check file:///mnt/f9/Projects/github.com/denoland/deno/main.ts

1.5.0

❯❯❯ rm -rf $DENO_DIR
❯❯❯ deno1.5.0 run -A --reload main.ts
Download https://deno.land/std/http/server.ts
Warning Implicitly using latest version (0.75.0) for https://deno.land/std/http/server.ts
(snip)
Check file:///mnt/f9/Projects/github.com/denoland/deno/main.ts
error: TS2322 [ERROR]: Type 'import("https://deno.land/std@0.75.0/http/server.ts").ServerRequest | null' is not assignable to type 'import("https://deno.land/std/http/server.ts").ServerRequest | null'.
Type 'import("https://deno.land/std@0.75.0/http/server.ts").ServerRequest' is not assignable to type 'import("https://deno.land/std/http/server.ts").ServerRequest'.
Types have separate declarations of a private property '_contentLength'.
request = await readRequest(conn, reader);
~~~~~~~
at https://deno.land/std/http/server.ts:147:9

cc @kitsonk

For anyone looking at this issue now, we are planning to do a 1.5.1 hot fix release tomorrow with a bug fix.