[INFO] fetching crate zorio 0.1.0...
[INFO] testing zorio-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate zorio 0.1.0 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate zorio 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zorio 0.1.0
[INFO] finished tweaking crates.io crate zorio 0.1.0
[INFO] tweaked toml for crates.io crate zorio 0.1.0 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b9a0876b509f92b17d12dbd5d3f62890ac41b4b30575c0004bb4535133dd6f7
[INFO] running `Command { std: "docker" "start" "-a" "9b9a0876b509f92b17d12dbd5d3f62890ac41b4b30575c0004bb4535133dd6f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b9a0876b509f92b17d12dbd5d3f62890ac41b4b30575c0004bb4535133dd6f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b9a0876b509f92b17d12dbd5d3f62890ac41b4b30575c0004bb4535133dd6f7", kill_on_drop: false }`
[INFO] [stdout] 9b9a0876b509f92b17d12dbd5d3f62890ac41b4b30575c0004bb4535133dd6f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9380f7c784d82fdea75c02b2d82556bcfee5d58439b407b4a23ad813349a837a
[INFO] running `Command { std: "docker" "start" "-a" "9380f7c784d82fdea75c02b2d82556bcfee5d58439b407b4a23ad813349a837a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling zorio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `alloc::prelude`
[INFO] [stdout]    --> src/io.rs:262:12
[INFO] [stdout]     |
[INFO] [stdout] 262 | use alloc::prelude::*;
[INFO] [stdout]     |            ^^^^^^^ could not find `prelude` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alloc::prelude`
[INFO] [stdout]  --> src/cursor.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use alloc::prelude::*;
[INFO] [stdout]   |            ^^^^^^^ could not find `prelude` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alloc::prelude`
[INFO] [stdout]  --> src/impls.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use alloc::prelude::*;
[INFO] [stdout]   |            ^^^^^^^ could not find `prelude` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]    --> src/io.rs:299:33
[INFO] [stdout]     |
[INFO] [stdout] 299 | struct Guard<'a> { buf: &'a mut Vec<u8>, len: usize }
[INFO] [stdout]     |                                 ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 262 | use alloc::vec::Vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]    --> src/io.rs:326:26
[INFO] [stdout]     |
[INFO] [stdout] 326 |     where F: FnOnce(&mut Vec<u8>) -> Result<usize>
[INFO] [stdout]     |                          ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 262 | use alloc::vec::Vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `String` in this scope
[INFO] [stdout]    --> src/io.rs:325:34
[INFO] [stdout]     |
[INFO] [stdout] 325 | fn append_to_string<F>(buf: &mut String, f: F) -> Result<usize>
[INFO] [stdout]     |                                  ^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 262 | use alloc::string::String;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]    --> src/io.rs:352:55
[INFO] [stdout]     |
[INFO] [stdout] 352 | fn read_to_end<R: Read + ?Sized>(r: &mut R, buf: &mut Vec<u8>) -> Result<usize> {
[INFO] [stdout]     |                                                       ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 262 | use alloc::vec::Vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]    --> src/io.rs:357:61
[INFO] [stdout]     |
[INFO] [stdout] 357 | ...                   buf: &mut Vec<u8>,
[INFO] [stdout]     |                                 ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 262 | use alloc::vec::Vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]    --> src/io.rs:598:41
[INFO] [stdout]     |
[INFO] [stdout] 598 |     fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
[INFO] [stdout]     |                                         ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 262 | use alloc::vec::Vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `String` in this scope
[INFO] [stdout]    --> src/io.rs:641:44
[INFO] [stdout]     |
[INFO] [stdout] 641 |     fn read_to_string(&mut self, buf: &mut String) -> Result<usize> {
[INFO] [stdout]     |                                            ^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 262 | use alloc::string::String;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]     --> src/io.rs:1242:68
[INFO] [stdout]      |
[INFO] [stdout] 1242 | fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
[INFO] [stdout]      |                                                                    ^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]      |
[INFO] [stdout] 262  | use alloc::vec::Vec;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]     --> src/io.rs:1446:50
[INFO] [stdout]      |
[INFO] [stdout] 1446 |     fn read_until(&mut self, byte: u8, buf: &mut Vec<u8>) -> Result<usize> {
[INFO] [stdout]      |                                                  ^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]      |
[INFO] [stdout] 262  | use alloc::vec::Vec;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `String` in this scope
[INFO] [stdout]     --> src/io.rs:1505:39
[INFO] [stdout]      |
[INFO] [stdout] 1505 |     fn read_line(&mut self, buf: &mut String) -> Result<usize> {
[INFO] [stdout]      |                                       ^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]      |
[INFO] [stdout] 262  | use alloc::string::String;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]     --> src/io.rs:1901:41
[INFO] [stdout]      |
[INFO] [stdout] 1901 |     fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
[INFO] [stdout]      |                                         ^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]      |
[INFO] [stdout] 262  | use alloc::vec::Vec;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]     --> src/io.rs:1974:24
[INFO] [stdout]      |
[INFO] [stdout] 1974 |     type Item = Result<Vec<u8>>;
[INFO] [stdout]      |                        ^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]      |
[INFO] [stdout] 262  | use alloc::vec::Vec;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]     --> src/io.rs:1976:41
[INFO] [stdout]      |
[INFO] [stdout] 1976 |     fn next(&mut self) -> Option<Result<Vec<u8>>> {
[INFO] [stdout]      |                                         ^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]      |
[INFO] [stdout] 262  | use alloc::vec::Vec;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Vec`
[INFO] [stdout]     --> src/io.rs:1977:23
[INFO] [stdout]      |
[INFO] [stdout] 1977 |         let mut buf = Vec::new();
[INFO] [stdout]      |                       ^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]      |
[INFO] [stdout] 262  | use alloc::vec::Vec;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `String` in this scope
[INFO] [stdout]     --> src/io.rs:2005:24
[INFO] [stdout]      |
[INFO] [stdout] 2005 |     type Item = Result<String>;
[INFO] [stdout]      |                        ^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]      |
[INFO] [stdout] 262  | use alloc::string::String;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `String` in this scope
[INFO] [stdout]     --> src/io.rs:2007:41
[INFO] [stdout]      |
[INFO] [stdout] 2007 |     fn next(&mut self) -> Option<Result<String>> {
[INFO] [stdout]      |                                         ^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]      |
[INFO] [stdout] 262  | use alloc::string::String;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `String`
[INFO] [stdout]     --> src/io.rs:2008:23
[INFO] [stdout]      |
[INFO] [stdout] 2008 |         let mut buf = String::new();
[INFO] [stdout]      |                       ^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]      |
[INFO] [stdout] 262  | use alloc::string::String;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]    --> src/cursor.rs:255:43
[INFO] [stdout]     |
[INFO] [stdout] 255 | fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usize> {
[INFO] [stdout]     |                                           ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 1   | use alloc::vec::Vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]    --> src/cursor.rs:291:35
[INFO] [stdout]     |
[INFO] [stdout] 291 | impl<'a> Write for Cursor<&'a mut Vec<u8>> {
[INFO] [stdout]     |                                   ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 1   | use alloc::vec::Vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]    --> src/cursor.rs:299:23
[INFO] [stdout]     |
[INFO] [stdout] 299 | impl Write for Cursor<Vec<u8>> {
[INFO] [stdout]     |                       ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 1   | use alloc::vec::Vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Box` in this scope
[INFO] [stdout]    --> src/cursor.rs:307:23
[INFO] [stdout]     |
[INFO] [stdout] 307 | impl Write for Cursor<Box<[u8]>> {
[INFO] [stdout]     |                       ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 1   | use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]   --> src/impls.rs:24:41
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn read_to_end(&mut self, buf: &mut Vec<u8>) -> io::Result<usize> {
[INFO] [stdout]    |                                         ^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  | use alloc::vec::Vec;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `String` in this scope
[INFO] [stdout]   --> src/impls.rs:29:44
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
[INFO] [stdout]    |                                            ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  | use alloc::string::String;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]   --> src/impls.rs:70:50
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn read_until(&mut self, byte: u8, buf: &mut Vec<u8>) -> io::Result<usize> {
[INFO] [stdout]    |                                                  ^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  | use alloc::vec::Vec;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `String` in this scope
[INFO] [stdout]   --> src/impls.rs:75:39
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn read_line(&mut self, buf: &mut String) -> io::Result<usize> {
[INFO] [stdout]    |                                       ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  | use alloc::string::String;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Box` in this scope
[INFO] [stdout]   --> src/impls.rs:81:33
[INFO] [stdout]    |
[INFO] [stdout] 81 | impl<R: Read + ?Sized> Read for Box<R> {
[INFO] [stdout]    |                                 ^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  | use alloc::boxed::Box;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]   --> src/impls.rs:93:41
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn read_to_end(&mut self, buf: &mut Vec<u8>) -> io::Result<usize> {
[INFO] [stdout]    |                                         ^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  | use alloc::vec::Vec;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `String` in this scope
[INFO] [stdout]   --> src/impls.rs:98:44
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
[INFO] [stdout]    |                                            ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  | use alloc::string::String;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Box` in this scope
[INFO] [stdout]    --> src/impls.rs:108:35
[INFO] [stdout]     |
[INFO] [stdout] 108 | impl<W: Write + ?Sized> Write for Box<W> {
[INFO] [stdout]     |                                   ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 1   | use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Box` in this scope
[INFO] [stdout]    --> src/impls.rs:126:33
[INFO] [stdout]     |
[INFO] [stdout] 126 | impl<S: Seek + ?Sized> Seek for Box<S> {
[INFO] [stdout]     |                                 ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 1   | use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Box` in this scope
[INFO] [stdout]    --> src/impls.rs:131:39
[INFO] [stdout]     |
[INFO] [stdout] 131 | impl<B: BufRead + ?Sized> BufRead for Box<B> {
[INFO] [stdout]     |                                       ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 1   | use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]    --> src/impls.rs:139:50
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn read_until(&mut self, byte: u8, buf: &mut Vec<u8>) -> io::Result<usize> {
[INFO] [stdout]     |                                                  ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 1   | use alloc::vec::Vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `String` in this scope
[INFO] [stdout]    --> src/impls.rs:144:39
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn read_line(&mut self, buf: &mut String) -> io::Result<usize> {
[INFO] [stdout]     |                                       ^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 1   | use alloc::string::String;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]    --> src/impls.rs:203:41
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn read_to_end(&mut self, buf: &mut Vec<u8>) -> io::Result<usize> {
[INFO] [stdout]     |                                         ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 1   | use alloc::vec::Vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]    --> src/impls.rs:252:16
[INFO] [stdout]     |
[INFO] [stdout] 252 | impl Write for Vec<u8> {
[INFO] [stdout]     |                ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 1   | use alloc::vec::Vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(alloc)]
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(try_from)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(try_from)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(alloc)]
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_err` found for enum `core::result::Result<&str, Utf8Error>` in the current scope
[INFO] [stdout]    --> src/io.rs:331:44
[INFO] [stdout]     |
[INFO] [stdout] 331 |         if str::from_utf8(&g.buf[g.len..]).is_err() {
[INFO] [stdout]     |                                            ^^^^^^ method not found in `core::result::Result<&str, Utf8Error>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method was found for
[INFO] [stdout]             - `core::result::Result<T, E>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `and_then` found for enum `core::result::Result<usize, io::Error>` in the current scope
[INFO] [stdout]    --> src/io.rs:332:17
[INFO] [stdout]     |
[INFO] [stdout] 332 |             ret.and_then(|_| {
[INFO] [stdout]     |                 ^^^^^^^^ method not found in `core::result::Result<usize, io::Error>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method was found for
[INFO] [stdout]             - `core::result::Result<T, E>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 42 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0432, E0433, E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zorio` due to 43 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "9380f7c784d82fdea75c02b2d82556bcfee5d58439b407b4a23ad813349a837a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9380f7c784d82fdea75c02b2d82556bcfee5d58439b407b4a23ad813349a837a", kill_on_drop: false }`
[INFO] [stdout] 9380f7c784d82fdea75c02b2d82556bcfee5d58439b407b4a23ad813349a837a