[INFO] fetching crate fixed_len_str 0.3.3...
[INFO] testing fixed_len_str-0.3.3 against 1.54.0 for beta-1.55-1
[INFO] extracting crate fixed_len_str 0.3.3 into /workspace/builds/worker-112/source
[INFO] validating manifest of crates.io crate fixed_len_str 0.3.3 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fixed_len_str 0.3.3
[INFO] finished tweaking crates.io crate fixed_len_str 0.3.3
[INFO] tweaked toml for crates.io crate fixed_len_str 0.3.3 written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a092f1c7bf21370506071aa55738b8c9e33d830caac5ca9d95fac8606cc971ee
[INFO] running `Command { std: "docker" "start" "-a" "a092f1c7bf21370506071aa55738b8c9e33d830caac5ca9d95fac8606cc971ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a092f1c7bf21370506071aa55738b8c9e33d830caac5ca9d95fac8606cc971ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a092f1c7bf21370506071aa55738b8c9e33d830caac5ca9d95fac8606cc971ee", kill_on_drop: false }`
[INFO] [stdout] a092f1c7bf21370506071aa55738b8c9e33d830caac5ca9d95fac8606cc971ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffea0895ff1b8830326f8dae59cdf1df00f0df07385c8182d83917002fd14d4e
[INFO] running `Command { std: "docker" "start" "-a" "ffea0895ff1b8830326f8dae59cdf1df00f0df07385c8182d83917002fd14d4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixed_len_str v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "ffea0895ff1b8830326f8dae59cdf1df00f0df07385c8182d83917002fd14d4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffea0895ff1b8830326f8dae59cdf1df00f0df07385c8182d83917002fd14d4e", kill_on_drop: false }`
[INFO] [stdout] ffea0895ff1b8830326f8dae59cdf1df00f0df07385c8182d83917002fd14d4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2303ff5de3bee2ba6d398bda757d5f0cfda3861c4ac5e6d0d952d801231b2961
[INFO] running `Command { std: "docker" "start" "-a" "2303ff5de3bee2ba6d398bda757d5f0cfda3861c4ac5e6d0d952d801231b2961", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixed_len_str v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `fixed_str_nz3::Closure`
[INFO] [stdout]  --> tests/a.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use fixed_str_nz3::Closure;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^ no `Closure` in `fixed_str_nz3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> tests/a.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(pattern)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fixed_len_str`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2303ff5de3bee2ba6d398bda757d5f0cfda3861c4ac5e6d0d952d801231b2961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2303ff5de3bee2ba6d398bda757d5f0cfda3861c4ac5e6d0d952d801231b2961", kill_on_drop: false }`
[INFO] [stdout] 2303ff5de3bee2ba6d398bda757d5f0cfda3861c4ac5e6d0d952d801231b2961
