[INFO] fetching crate typename 0.1.2...
[INFO] testing typename-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate typename 0.1.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate typename 0.1.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate typename 0.1.2
[INFO] finished tweaking crates.io crate typename 0.1.2
[INFO] tweaked toml for crates.io crate typename 0.1.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate typename 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b01ae5fa914163628288f7e8c32321c2ef8510892434363f68ba419ab6dc931e
[INFO] running `Command { std: "docker" "start" "-a" "b01ae5fa914163628288f7e8c32321c2ef8510892434363f68ba419ab6dc931e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b01ae5fa914163628288f7e8c32321c2ef8510892434363f68ba419ab6dc931e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b01ae5fa914163628288f7e8c32321c2ef8510892434363f68ba419ab6dc931e", kill_on_drop: false }`
[INFO] [stdout] b01ae5fa914163628288f7e8c32321c2ef8510892434363f68ba419ab6dc931e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 335631dd99a41d44317737d3e249f13f7ecbef3b2aedf3e1502891c481e794dc
[INFO] running `Command { std: "docker" "start" "-a" "335631dd99a41d44317737d3e249f13f7ecbef3b2aedf3e1502891c481e794dc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling typename_derive v0.1.4
[INFO] [stderr]    Compiling typename v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.50s
[INFO] running `Command { std: "docker" "inspect" "335631dd99a41d44317737d3e249f13f7ecbef3b2aedf3e1502891c481e794dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "335631dd99a41d44317737d3e249f13f7ecbef3b2aedf3e1502891c481e794dc", kill_on_drop: false }`
[INFO] [stdout] 335631dd99a41d44317737d3e249f13f7ecbef3b2aedf3e1502891c481e794dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cfc175d4642d38ef71c3c952f4100fc1f9ae0eb7655b5954ba7cd5608b5d4b1
[INFO] running `Command { std: "docker" "start" "-a" "6cfc175d4642d38ef71c3c952f4100fc1f9ae0eb7655b5954ba7cd5608b5d4b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling typename v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout] 54 | #![cfg_attr(test, feature(test, core_intrinsics))]
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/derive.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `typename` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6cfc175d4642d38ef71c3c952f4100fc1f9ae0eb7655b5954ba7cd5608b5d4b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cfc175d4642d38ef71c3c952f4100fc1f9ae0eb7655b5954ba7cd5608b5d4b1", kill_on_drop: false }`
[INFO] [stdout] 6cfc175d4642d38ef71c3c952f4100fc1f9ae0eb7655b5954ba7cd5608b5d4b1