[INFO] cloning repository https://github.com/MarinPostma/tcp_async_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MarinPostma/tcp_async_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarinPostma%2Ftcp_async_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarinPostma%2Ftcp_async_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c48f63b57323ec0033b05504430e0680c50033ec
[INFO] testing MarinPostma/tcp_async_server 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%2FMarinPostma%2Ftcp_async_server" "/workspace/builds/worker-42/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-42/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MarinPostma/tcp_async_server 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/MarinPostma/tcp_async_server
[INFO] finished tweaking git repo https://github.com/MarinPostma/tcp_async_server
[INFO] tweaked toml for git repo https://github.com/MarinPostma/tcp_async_server written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] crate git repo https://github.com/MarinPostma/tcp_async_server 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 3d72e0aefdcd01802fd63d6ebc2e56ff089eabb6b4659fae50a2a4440aedda9f
[INFO] running `Command { std: "docker" "start" "-a" "3d72e0aefdcd01802fd63d6ebc2e56ff089eabb6b4659fae50a2a4440aedda9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d72e0aefdcd01802fd63d6ebc2e56ff089eabb6b4659fae50a2a4440aedda9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d72e0aefdcd01802fd63d6ebc2e56ff089eabb6b4659fae50a2a4440aedda9f", kill_on_drop: false }`
[INFO] [stdout] 3d72e0aefdcd01802fd63d6ebc2e56ff089eabb6b4659fae50a2a4440aedda9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] f41372325c4b465cff508850e76c6f9dc1c60089e773d42b1fbc9d9b3830d563
[INFO] running `Command { std: "docker" "start" "-a" "f41372325c4b465cff508850e76c6f9dc1c60089e773d42b1fbc9d9b3830d563", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_tcp_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "f41372325c4b465cff508850e76c6f9dc1c60089e773d42b1fbc9d9b3830d563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f41372325c4b465cff508850e76c6f9dc1c60089e773d42b1fbc9d9b3830d563", kill_on_drop: false }`
[INFO] [stdout] f41372325c4b465cff508850e76c6f9dc1c60089e773d42b1fbc9d9b3830d563
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 021bbf4060df26986be611824a3fd330a8ad8f5063ed4c0eb88ef31f55fe670f
[INFO] running `Command { std: "docker" "start" "-a" "021bbf4060df26986be611824a3fd330a8ad8f5063ed4c0eb88ef31f55fe670f", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_tcp_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "021bbf4060df26986be611824a3fd330a8ad8f5063ed4c0eb88ef31f55fe670f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "021bbf4060df26986be611824a3fd330a8ad8f5063ed4c0eb88ef31f55fe670f", kill_on_drop: false }`
[INFO] [stdout] 021bbf4060df26986be611824a3fd330a8ad8f5063ed4c0eb88ef31f55fe670f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] e0ff44c30c44923e136a452fa1084a2caf9df9468c13db2cfb1b56fdffafaecd
[INFO] running `Command { std: "docker" "start" "-a" "e0ff44c30c44923e136a452fa1084a2caf9df9468c13db2cfb1b56fdffafaecd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/simple_tcp_server-f2129fa1556973c2)
[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" "e0ff44c30c44923e136a452fa1084a2caf9df9468c13db2cfb1b56fdffafaecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0ff44c30c44923e136a452fa1084a2caf9df9468c13db2cfb1b56fdffafaecd", kill_on_drop: false }`
[INFO] [stdout] e0ff44c30c44923e136a452fa1084a2caf9df9468c13db2cfb1b56fdffafaecd