[INFO] cloning repository https://github.com/wrightdylan/codecs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wrightdylan/codecs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwrightdylan%2Fcodecs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwrightdylan%2Fcodecs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72b2a58404c81640a357cf8ecfb8d3f7d20f1c8b
[INFO] testing wrightdylan/codecs against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwrightdylan%2Fcodecs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wrightdylan/codecs
[INFO] finished tweaking git repo https://github.com/wrightdylan/codecs
[INFO] tweaked toml for git repo https://github.com/wrightdylan/codecs written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wrightdylan/codecs on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wrightdylan/codecs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e88e20cf6e17b60e7bd40d2b6585f5d42112185bc366517c705aaf10c64b8f4
[INFO] running `Command { std: "docker" "start" "-a" "2e88e20cf6e17b60e7bd40d2b6585f5d42112185bc366517c705aaf10c64b8f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e88e20cf6e17b60e7bd40d2b6585f5d42112185bc366517c705aaf10c64b8f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e88e20cf6e17b60e7bd40d2b6585f5d42112185bc366517c705aaf10c64b8f4", kill_on_drop: false }`
[INFO] [stdout] 2e88e20cf6e17b60e7bd40d2b6585f5d42112185bc366517c705aaf10c64b8f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] e6afd8c9e04b0efea54571dea7a162965c9899e4246d779e054c9287ba6ea03d
[INFO] running `Command { std: "docker" "start" "-a" "e6afd8c9e04b0efea54571dea7a162965c9899e4246d779e054c9287ba6ea03d", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitvecs v0.1.1 (https://github.com/wrightdylan/bitvecs.git?tag=0.1.1#454c0622)
[INFO] [stderr]    Compiling codecs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "e6afd8c9e04b0efea54571dea7a162965c9899e4246d779e054c9287ba6ea03d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6afd8c9e04b0efea54571dea7a162965c9899e4246d779e054c9287ba6ea03d", kill_on_drop: false }`
[INFO] [stdout] e6afd8c9e04b0efea54571dea7a162965c9899e4246d779e054c9287ba6ea03d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] f919c99a1944eca74764af1fda07b6aab10e5f592ffb51a7c97a0e7b53e501c1
[INFO] running `Command { std: "docker" "start" "-a" "f919c99a1944eca74764af1fda07b6aab10e5f592ffb51a7c97a0e7b53e501c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling codecs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "f919c99a1944eca74764af1fda07b6aab10e5f592ffb51a7c97a0e7b53e501c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f919c99a1944eca74764af1fda07b6aab10e5f592ffb51a7c97a0e7b53e501c1", kill_on_drop: false }`
[INFO] [stdout] f919c99a1944eca74764af1fda07b6aab10e5f592ffb51a7c97a0e7b53e501c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 08ac13552e69d9f6857aca291465b12b57e28601bd7db3615ea1c84c974ad459
[INFO] running `Command { std: "docker" "start" "-a" "08ac13552e69d9f6857aca291465b12b57e28601bd7db3615ea1c84c974ad459", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/codecs/2794c8d440ae24c7/deps/codecs-2794c8d440ae24c7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests codecs
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/huffman.rs - huffman::encode_to_bitstream (line 316) ... FAILED
[INFO] [stdout] test src/huffman.rs - huffman::decode_from_bitstream (line 364) ... FAILED
[INFO] [stdout] test src/huffman.rs - huffman::easy_encode (line 291) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/huffman.rs - huffman::encode_to_bitstream (line 316) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `fs`
[INFO] [stdout]    --> src/huffman.rs:326:19
[INFO] [stdout]     |
[INFO] [stdout] 326 | if let Err(err) = fs::write("output.hmc", data) {
[INFO] [stdout]     |                   ^^ use of unresolved module or unlinked crate `fs`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `fs`, use `cargo add fs` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout] 315 + use std::fs;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/huffman.rs - huffman::decode_from_bitstream (line 364) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `fs`
[INFO] [stdout]    --> src/huffman.rs:369:21
[INFO] [stdout]     |
[INFO] [stdout] 369 | let data: Vec<u8> = fs::read(file).expect("File not found.");
[INFO] [stdout]     |                     ^^ use of unresolved module or unlinked crate `fs`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `fs`, use `cargo add fs` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout] 363 + use std::fs;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/huffman.rs:370:42
[INFO] [stdout]     |
[INFO] [stdout] 365 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_huffman_rs_364_0() {
[INFO] [stdout]     |                                      --------------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 370 | let output = decode_from_bitstream(&data)?;
[INFO] [stdout]     |                                          ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]     |
[INFO] [stdout] 365 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_huffman_rs_364_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 366 | use codecs::huffman::decode_from_bitstream;
[INFO] [stdout] ...
[INFO] [stdout] 371 | println!("{output}");
[INFO] [stdout] 372 +     Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/huffman.rs - huffman::decode_from_bitstream (line 364)
[INFO] [stdout]     src/huffman.rs - huffman::encode_to_bitstream (line 316)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "08ac13552e69d9f6857aca291465b12b57e28601bd7db3615ea1c84c974ad459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08ac13552e69d9f6857aca291465b12b57e28601bd7db3615ea1c84c974ad459", kill_on_drop: false }`
[INFO] [stdout] 08ac13552e69d9f6857aca291465b12b57e28601bd7db3615ea1c84c974ad459
