[INFO] cloning repository https://github.com/yoshiyoshifujii/rust-toytcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yoshiyoshifujii/rust-toytcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshiyoshifujii%2Frust-toytcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshiyoshifujii%2Frust-toytcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ea1ab788f11a5be1400bd357f1b5bbe3ce75857
[INFO] testing yoshiyoshifujii/rust-toytcp against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshiyoshifujii%2Frust-toytcp" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yoshiyoshifujii/rust-toytcp on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yoshiyoshifujii/rust-toytcp
[INFO] finished tweaking git repo https://github.com/yoshiyoshifujii/rust-toytcp
[INFO] tweaked toml for git repo https://github.com/yoshiyoshifujii/rust-toytcp written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate git repo https://github.com/yoshiyoshifujii/rust-toytcp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 186efe656439ef31aadf7ae81298061489eab10e9881af5256b1f84631974e4a
[INFO] running `Command { std: "docker" "start" "-a" "186efe656439ef31aadf7ae81298061489eab10e9881af5256b1f84631974e4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "186efe656439ef31aadf7ae81298061489eab10e9881af5256b1f84631974e4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "186efe656439ef31aadf7ae81298061489eab10e9881af5256b1f84631974e4a", kill_on_drop: false }`
[INFO] [stdout] 186efe656439ef31aadf7ae81298061489eab10e9881af5256b1f84631974e4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abd49b5b6583bbf97b736485c457a91f5fce40f2569a586bf5809971a29b5be3
[INFO] running `Command { std: "docker" "start" "-a" "abd49b5b6583bbf97b736485c457a91f5fce40f2569a586bf5809971a29b5be3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-toytcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.14s
[INFO] running `Command { std: "docker" "inspect" "abd49b5b6583bbf97b736485c457a91f5fce40f2569a586bf5809971a29b5be3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abd49b5b6583bbf97b736485c457a91f5fce40f2569a586bf5809971a29b5be3", kill_on_drop: false }`
[INFO] [stdout] abd49b5b6583bbf97b736485c457a91f5fce40f2569a586bf5809971a29b5be3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c9fdf55e09dfa2fc59dced580c3f5c3aac01ad4054acf6d5a4cc3707bdef67b
[INFO] running `Command { std: "docker" "start" "-a" "8c9fdf55e09dfa2fc59dced580c3f5c3aac01ad4054acf6d5a4cc3707bdef67b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-toytcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "8c9fdf55e09dfa2fc59dced580c3f5c3aac01ad4054acf6d5a4cc3707bdef67b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c9fdf55e09dfa2fc59dced580c3f5c3aac01ad4054acf6d5a4cc3707bdef67b", kill_on_drop: false }`
[INFO] [stdout] 8c9fdf55e09dfa2fc59dced580c3f5c3aac01ad4054acf6d5a4cc3707bdef67b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ec5a03a0691a30c77f3489fc97c965fbd481f8915f0758a29df5885f6d5cfab4
[INFO] running `Command { std: "docker" "start" "-a" "ec5a03a0691a30c77f3489fc97c965fbd481f8915f0758a29df5885f6d5cfab4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_toytcp-a5633c84bca84879)
[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" "ec5a03a0691a30c77f3489fc97c965fbd481f8915f0758a29df5885f6d5cfab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec5a03a0691a30c77f3489fc97c965fbd481f8915f0758a29df5885f6d5cfab4", kill_on_drop: false }`
[INFO] [stdout] ec5a03a0691a30c77f3489fc97c965fbd481f8915f0758a29df5885f6d5cfab4