[INFO] cloning repository https://github.com/imstar15/rust_tcp_server_riw3478
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imstar15/rust_tcp_server_riw3478" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimstar15%2Frust_tcp_server_riw3478", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimstar15%2Frust_tcp_server_riw3478'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 526a5a4a43224e2d0cceb81b9a1119cf291ea75b
[INFO] testing imstar15/rust_tcp_server_riw3478 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimstar15%2Frust_tcp_server_riw3478" "/workspace/builds/worker-60/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-60/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/imstar15/rust_tcp_server_riw3478 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/imstar15/rust_tcp_server_riw3478
[INFO] finished tweaking git repo https://github.com/imstar15/rust_tcp_server_riw3478
[INFO] tweaked toml for git repo https://github.com/imstar15/rust_tcp_server_riw3478 written to /workspace/builds/worker-60/source/Cargo.toml
[INFO] crate git repo https://github.com/imstar15/rust_tcp_server_riw3478 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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] 6ecf7d73e57c48def4d209947702ad0f3778b882d6f517105925d1d768cc83ab
[INFO] running `Command { std: "docker" "start" "-a" "6ecf7d73e57c48def4d209947702ad0f3778b882d6f517105925d1d768cc83ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ecf7d73e57c48def4d209947702ad0f3778b882d6f517105925d1d768cc83ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ecf7d73e57c48def4d209947702ad0f3778b882d6f517105925d1d768cc83ab", kill_on_drop: false }`
[INFO] [stdout] 6ecf7d73e57c48def4d209947702ad0f3778b882d6f517105925d1d768cc83ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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] e0dd8df0a3557af5de19daa98f6d24cc4977011f0f7a3cbd2595d3fc62027519
[INFO] running `Command { std: "docker" "start" "-a" "e0dd8df0a3557af5de19daa98f6d24cc4977011f0f7a3cbd2595d3fc62027519", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_tcp_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "e0dd8df0a3557af5de19daa98f6d24cc4977011f0f7a3cbd2595d3fc62027519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0dd8df0a3557af5de19daa98f6d24cc4977011f0f7a3cbd2595d3fc62027519", kill_on_drop: false }`
[INFO] [stdout] e0dd8df0a3557af5de19daa98f6d24cc4977011f0f7a3cbd2595d3fc62027519
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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] 66d11b44829d62bc70f798d44070aad3dc9d0256f230f4595933fcf0ed64fd8f
[INFO] running `Command { std: "docker" "start" "-a" "66d11b44829d62bc70f798d44070aad3dc9d0256f230f4595933fcf0ed64fd8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_tcp_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "66d11b44829d62bc70f798d44070aad3dc9d0256f230f4595933fcf0ed64fd8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66d11b44829d62bc70f798d44070aad3dc9d0256f230f4595933fcf0ed64fd8f", kill_on_drop: false }`
[INFO] [stdout] 66d11b44829d62bc70f798d44070aad3dc9d0256f230f4595933fcf0ed64fd8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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] 609d89b8b0e1b6c594d40528d6059ea0fe01306c19d0d1ccb6a718b4cc0f0047
[INFO] running `Command { std: "docker" "start" "-a" "609d89b8b0e1b6c594d40528d6059ea0fe01306c19d0d1ccb6a718b4cc0f0047", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_tcp_server-e64e2c0402d66223)
[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" "609d89b8b0e1b6c594d40528d6059ea0fe01306c19d0d1ccb6a718b4cc0f0047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "609d89b8b0e1b6c594d40528d6059ea0fe01306c19d0d1ccb6a718b4cc0f0047", kill_on_drop: false }`
[INFO] [stdout] 609d89b8b0e1b6c594d40528d6059ea0fe01306c19d0d1ccb6a718b4cc0f0047