[INFO] cloning repository https://github.com/yuroyoro/ucas
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuroyoro/ucas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuroyoro%2Fucas", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuroyoro%2Fucas'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db10c5f20a123f61238e57d5e053542b6535b983
[INFO] testing yuroyoro/ucas against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuroyoro%2Fucas" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuroyoro/ucas 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 git repo https://github.com/yuroyoro/ucas
[INFO] finished tweaking git repo https://github.com/yuroyoro/ucas
[INFO] tweaked toml for git repo https://github.com/yuroyoro/ucas written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/yuroyoro/ucas 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 38cc629757b933eb60720ee7accf01f31a3287afa5b6f6931468a5af12eaab3c
[INFO] running `Command { std: "docker" "start" "-a" "38cc629757b933eb60720ee7accf01f31a3287afa5b6f6931468a5af12eaab3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38cc629757b933eb60720ee7accf01f31a3287afa5b6f6931468a5af12eaab3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38cc629757b933eb60720ee7accf01f31a3287afa5b6f6931468a5af12eaab3c", kill_on_drop: false }`
[INFO] [stdout] 38cc629757b933eb60720ee7accf01f31a3287afa5b6f6931468a5af12eaab3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 012888e5e01d4570bce7641f1e4191be7818cf0b87fa80d901bc5ccf0cb4b57b
[INFO] running `Command { std: "docker" "start" "-a" "012888e5e01d4570bce7641f1e4191be7818cf0b87fa80d901bc5ccf0cb4b57b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling ucas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.34s
[INFO] running `Command { std: "docker" "inspect" "012888e5e01d4570bce7641f1e4191be7818cf0b87fa80d901bc5ccf0cb4b57b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "012888e5e01d4570bce7641f1e4191be7818cf0b87fa80d901bc5ccf0cb4b57b", kill_on_drop: false }`
[INFO] [stdout] 012888e5e01d4570bce7641f1e4191be7818cf0b87fa80d901bc5ccf0cb4b57b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 095e28dabc15dc64da13e2ed76a8ddea70b090016ca6e08eaee1a84136fdda56
[INFO] running `Command { std: "docker" "start" "-a" "095e28dabc15dc64da13e2ed76a8ddea70b090016ca6e08eaee1a84136fdda56", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "095e28dabc15dc64da13e2ed76a8ddea70b090016ca6e08eaee1a84136fdda56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "095e28dabc15dc64da13e2ed76a8ddea70b090016ca6e08eaee1a84136fdda56", kill_on_drop: false }`
[INFO] [stdout] 095e28dabc15dc64da13e2ed76a8ddea70b090016ca6e08eaee1a84136fdda56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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", kill_on_drop: false }`
[INFO] [stdout] a6983bdb81071b57f1685c36d7d21cb63401ee762ded2cba4b2154a52ea8bfc5
[INFO] running `Command { std: "docker" "start" "-a" "a6983bdb81071b57f1685c36d7d21cb63401ee762ded2cba4b2154a52ea8bfc5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.38s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ucas-373af91eab1f2968)
[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" "a6983bdb81071b57f1685c36d7d21cb63401ee762ded2cba4b2154a52ea8bfc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6983bdb81071b57f1685c36d7d21cb63401ee762ded2cba4b2154a52ea8bfc5", kill_on_drop: false }`
[INFO] [stdout] a6983bdb81071b57f1685c36d7d21cb63401ee762ded2cba4b2154a52ea8bfc5