[INFO] fetching crate perfer 0.1.2...
[INFO] testing perfer-0.1.2 against 1.83.0 for beta-1.84.0-4
[INFO] extracting crate perfer 0.1.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate perfer 0.1.2 on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate perfer 0.1.2
[INFO] finished tweaking crates.io crate perfer 0.1.2
[INFO] tweaked toml for crates.io crate perfer 0.1.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate perfer 0.1.2 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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wait4 v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d28d91b0e7150bafb00035b8bfae0ef1b91c7fccb4b03ea674724f4acfe03ca
[INFO] running `Command { std: "docker" "start" "-a" "7d28d91b0e7150bafb00035b8bfae0ef1b91c7fccb4b03ea674724f4acfe03ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d28d91b0e7150bafb00035b8bfae0ef1b91c7fccb4b03ea674724f4acfe03ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d28d91b0e7150bafb00035b8bfae0ef1b91c7fccb4b03ea674724f4acfe03ca", kill_on_drop: false }`
[INFO] [stdout] 7d28d91b0e7150bafb00035b8bfae0ef1b91c7fccb4b03ea674724f4acfe03ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4176dbcab3efc930e9dd83450b35cc325b1c56c1871c7274bdd73cb4e1aa75e0
[INFO] running `Command { std: "docker" "start" "-a" "4176dbcab3efc930e9dd83450b35cc325b1c56c1871c7274bdd73cb4e1aa75e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling anstyle v1.0.6
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling anstyle-query v1.0.2
[INFO] [stderr]    Compiling strsim v0.11.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling colored v2.1.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling anstream v0.6.13
[INFO] [stderr]    Compiling clap_builder v4.5.2
[INFO] [stderr]    Compiling wait4 v0.1.3
[INFO] [stderr]    Compiling clap v4.5.2
[INFO] [stderr]    Compiling clap_complete v4.5.1
[INFO] [stderr]    Compiling perfer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.97s
[INFO] running `Command { std: "docker" "inspect" "4176dbcab3efc930e9dd83450b35cc325b1c56c1871c7274bdd73cb4e1aa75e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4176dbcab3efc930e9dd83450b35cc325b1c56c1871c7274bdd73cb4e1aa75e0", kill_on_drop: false }`
[INFO] [stdout] 4176dbcab3efc930e9dd83450b35cc325b1c56c1871c7274bdd73cb4e1aa75e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bbb144c8ba303b61a52b56fc76282375f5245b514732d4ca113f6ed75950488
[INFO] running `Command { std: "docker" "start" "-a" "6bbb144c8ba303b61a52b56fc76282375f5245b514732d4ca113f6ed75950488", kill_on_drop: false }`
[INFO] [stderr]    Compiling perfer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "6bbb144c8ba303b61a52b56fc76282375f5245b514732d4ca113f6ed75950488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bbb144c8ba303b61a52b56fc76282375f5245b514732d4ca113f6ed75950488", kill_on_drop: false }`
[INFO] [stdout] 6bbb144c8ba303b61a52b56fc76282375f5245b514732d4ca113f6ed75950488
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b9daf5764115bf31f29fec4d3720bccbdfceafa042829d9477a93aab52f990fb
[INFO] running `Command { std: "docker" "start" "-a" "b9daf5764115bf31f29fec4d3720bccbdfceafa042829d9477a93aab52f990fb", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/perfer-f0bf2ca02479e65b)
[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] running `Command { std: "docker" "inspect" "b9daf5764115bf31f29fec4d3720bccbdfceafa042829d9477a93aab52f990fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9daf5764115bf31f29fec4d3720bccbdfceafa042829d9477a93aab52f990fb", kill_on_drop: false }`
[INFO] [stdout] b9daf5764115bf31f29fec4d3720bccbdfceafa042829d9477a93aab52f990fb