[INFO] fetching crate serra 0.1.0...
[INFO] testing serra-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate serra 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate serra 0.1.0
[INFO] finished tweaking crates.io crate serra 0.1.0
[INFO] tweaked toml for crates.io crate serra 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serra 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serra 0.1.0 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" "+1.90.0" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ea716f629108c9ccbadde51aa0d2d8281f9c1a9cd9d25fa0af3ad6a9a8a735b
[INFO] running `Command { std: "docker" "start" "-a" "9ea716f629108c9ccbadde51aa0d2d8281f9c1a9cd9d25fa0af3ad6a9a8a735b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ea716f629108c9ccbadde51aa0d2d8281f9c1a9cd9d25fa0af3ad6a9a8a735b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ea716f629108c9ccbadde51aa0d2d8281f9c1a9cd9d25fa0af3ad6a9a8a735b", kill_on_drop: false }`
[INFO] [stdout] 9ea716f629108c9ccbadde51aa0d2d8281f9c1a9cd9d25fa0af3ad6a9a8a735b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53925830afe930e43cba3087f7ec5bfe9df15a7c11295d21188149c868a49977
[INFO] running `Command { std: "docker" "start" "-a" "53925830afe930e43cba3087f7ec5bfe9df15a7c11295d21188149c868a49977", kill_on_drop: false }`
[INFO] [stderr]    Compiling serra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "53925830afe930e43cba3087f7ec5bfe9df15a7c11295d21188149c868a49977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53925830afe930e43cba3087f7ec5bfe9df15a7c11295d21188149c868a49977", kill_on_drop: false }`
[INFO] [stdout] 53925830afe930e43cba3087f7ec5bfe9df15a7c11295d21188149c868a49977
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 987301d2f279de2b16470502ac172dd07f36f8d4170154bf29826c5e1a4b0987
[INFO] running `Command { std: "docker" "start" "-a" "987301d2f279de2b16470502ac172dd07f36f8d4170154bf29826c5e1a4b0987", kill_on_drop: false }`
[INFO] [stderr]    Compiling serra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "987301d2f279de2b16470502ac172dd07f36f8d4170154bf29826c5e1a4b0987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "987301d2f279de2b16470502ac172dd07f36f8d4170154bf29826c5e1a4b0987", kill_on_drop: false }`
[INFO] [stdout] 987301d2f279de2b16470502ac172dd07f36f8d4170154bf29826c5e1a4b0987
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 72e08cdf24e5051a923b803681930452ee56a5bfae4dc5c5205db8aa704ef665
[INFO] running `Command { std: "docker" "start" "-a" "72e08cdf24e5051a923b803681930452ee56a5bfae4dc5c5205db8aa704ef665", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/serra-c56843a7431164d1)
[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" "72e08cdf24e5051a923b803681930452ee56a5bfae4dc5c5205db8aa704ef665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72e08cdf24e5051a923b803681930452ee56a5bfae4dc5c5205db8aa704ef665", kill_on_drop: false }`
[INFO] [stdout] 72e08cdf24e5051a923b803681930452ee56a5bfae4dc5c5205db8aa704ef665