[INFO] cloning repository https://github.com/lvsoso/echo_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lvsoso/echo_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flvsoso%2Fecho_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flvsoso%2Fecho_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d01f228b13b21c2e5d6108385e96e5bf46e105dd
[INFO] testing lvsoso/echo_server against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flvsoso%2Fecho_server" "/workspace/builds/worker-83/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-83/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lvsoso/echo_server 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/lvsoso/echo_server
[INFO] finished tweaking git repo https://github.com/lvsoso/echo_server
[INFO] tweaked toml for git repo https://github.com/lvsoso/echo_server written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] crate git repo https://github.com/lvsoso/echo_server 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] c700e8454477834811d20c563824cf8e2fea4ea9e43c0f549b1c07b6966b2026
[INFO] running `Command { std: "docker" "start" "-a" "c700e8454477834811d20c563824cf8e2fea4ea9e43c0f549b1c07b6966b2026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c700e8454477834811d20c563824cf8e2fea4ea9e43c0f549b1c07b6966b2026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c700e8454477834811d20c563824cf8e2fea4ea9e43c0f549b1c07b6966b2026", kill_on_drop: false }`
[INFO] [stdout] c700e8454477834811d20c563824cf8e2fea4ea9e43c0f549b1c07b6966b2026
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] dbc46f60e24f94fb7d76b6ba0581c9360a5ddc1358ccdaa4b4321bb061c026c0
[INFO] running `Command { std: "docker" "start" "-a" "dbc46f60e24f94fb7d76b6ba0581c9360a5ddc1358ccdaa4b4321bb061c026c0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling echo_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.86s
[INFO] running `Command { std: "docker" "inspect" "dbc46f60e24f94fb7d76b6ba0581c9360a5ddc1358ccdaa4b4321bb061c026c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbc46f60e24f94fb7d76b6ba0581c9360a5ddc1358ccdaa4b4321bb061c026c0", kill_on_drop: false }`
[INFO] [stdout] dbc46f60e24f94fb7d76b6ba0581c9360a5ddc1358ccdaa4b4321bb061c026c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] 6b42c1eb26523bcc31aa60749ede8b6a81bdf1d557e2bc32b8f98185abdf1690
[INFO] running `Command { std: "docker" "start" "-a" "6b42c1eb26523bcc31aa60749ede8b6a81bdf1d557e2bc32b8f98185abdf1690", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling echo_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `Command { std: "docker" "inspect" "6b42c1eb26523bcc31aa60749ede8b6a81bdf1d557e2bc32b8f98185abdf1690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b42c1eb26523bcc31aa60749ede8b6a81bdf1d557e2bc32b8f98185abdf1690", kill_on_drop: false }`
[INFO] [stdout] 6b42c1eb26523bcc31aa60749ede8b6a81bdf1d557e2bc32b8f98185abdf1690
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] f2b93b549a6c581f7c3ec3a8e1d1a13ab2ae515a30c40309801458b01c5baae6
[INFO] running `Command { std: "docker" "start" "-a" "f2b93b549a6c581f7c3ec3a8e1d1a13ab2ae515a30c40309801458b01c5baae6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/echo_server-de3b69da8086f70e)
[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" "f2b93b549a6c581f7c3ec3a8e1d1a13ab2ae515a30c40309801458b01c5baae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2b93b549a6c581f7c3ec3a8e1d1a13ab2ae515a30c40309801458b01c5baae6", kill_on_drop: false }`
[INFO] [stdout] f2b93b549a6c581f7c3ec3a8e1d1a13ab2ae515a30c40309801458b01c5baae6