[INFO] cloning repository https://github.com/kori/tcp-echo-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kori/tcp-echo-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkori%2Ftcp-echo-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkori%2Ftcp-echo-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c05be6d020693e05f98d0ee1c148f1191740695
[INFO] testing kori/tcp-echo-rs against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkori%2Ftcp-echo-rs" "/workspace/builds/worker-49/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-49/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kori/tcp-echo-rs on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kori/tcp-echo-rs
[INFO] finished tweaking git repo https://github.com/kori/tcp-echo-rs
[INFO] tweaked toml for git repo https://github.com/kori/tcp-echo-rs written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] crate git repo https://github.com/kori/tcp-echo-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33f5879ff28f46c331be8d1ff4b126fb7b51f537158c8d7f371e2fbc3ff8754e
[INFO] running `Command { std: "docker" "start" "-a" "33f5879ff28f46c331be8d1ff4b126fb7b51f537158c8d7f371e2fbc3ff8754e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33f5879ff28f46c331be8d1ff4b126fb7b51f537158c8d7f371e2fbc3ff8754e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33f5879ff28f46c331be8d1ff4b126fb7b51f537158c8d7f371e2fbc3ff8754e", kill_on_drop: false }`
[INFO] [stdout] 33f5879ff28f46c331be8d1ff4b126fb7b51f537158c8d7f371e2fbc3ff8754e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1a98cf063a08688965c9356e2036ea7360901ff659a16352703f43d44dc3713
[INFO] running `Command { std: "docker" "start" "-a" "e1a98cf063a08688965c9356e2036ea7360901ff659a16352703f43d44dc3713", kill_on_drop: false }`
[INFO] [stderr]    Compiling echo v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "e1a98cf063a08688965c9356e2036ea7360901ff659a16352703f43d44dc3713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1a98cf063a08688965c9356e2036ea7360901ff659a16352703f43d44dc3713", kill_on_drop: false }`
[INFO] [stdout] e1a98cf063a08688965c9356e2036ea7360901ff659a16352703f43d44dc3713
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a199892c899392bf2aa435a02ea3dfd75ea2dc26e6a19d732adf5635673335a
[INFO] running `Command { std: "docker" "start" "-a" "5a199892c899392bf2aa435a02ea3dfd75ea2dc26e6a19d732adf5635673335a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling echo v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "5a199892c899392bf2aa435a02ea3dfd75ea2dc26e6a19d732adf5635673335a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a199892c899392bf2aa435a02ea3dfd75ea2dc26e6a19d732adf5635673335a", kill_on_drop: false }`
[INFO] [stdout] 5a199892c899392bf2aa435a02ea3dfd75ea2dc26e6a19d732adf5635673335a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dcfb768937b226835def75e30f066baa0e3f2c5353d3cf6357e49db189befd89
[INFO] running `Command { std: "docker" "start" "-a" "dcfb768937b226835def75e30f066baa0e3f2c5353d3cf6357e49db189befd89", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.38s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/echo-9fa8847e9a9c78bb)
[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" "dcfb768937b226835def75e30f066baa0e3f2c5353d3cf6357e49db189befd89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcfb768937b226835def75e30f066baa0e3f2c5353d3cf6357e49db189befd89", kill_on_drop: false }`
[INFO] [stdout] dcfb768937b226835def75e30f066baa0e3f2c5353d3cf6357e49db189befd89