[INFO] cloning repository https://github.com/davidcole1340/elm327-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidcole1340/elm327-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidcole1340%2Felm327-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidcole1340%2Felm327-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2a0f953860905005141cf3ffa173b62871f5bb3
[INFO] testing davidcole1340/elm327-rs against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidcole1340%2Felm327-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidcole1340/elm327-rs on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/davidcole1340/elm327-rs
[INFO] finished tweaking git repo https://github.com/davidcole1340/elm327-rs
[INFO] tweaked toml for git repo https://github.com/davidcole1340/elm327-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `git://github.com/davidcole1340/tokio-serial`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1cc822a1cbe3c2dbab20f476462b54153e3337ae25d6cc70da48c6dd56ca1b5
[INFO] running `Command { std: "docker" "start" "-a" "e1cc822a1cbe3c2dbab20f476462b54153e3337ae25d6cc70da48c6dd56ca1b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1cc822a1cbe3c2dbab20f476462b54153e3337ae25d6cc70da48c6dd56ca1b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1cc822a1cbe3c2dbab20f476462b54153e3337ae25d6cc70da48c6dd56ca1b5", kill_on_drop: false }`
[INFO] [stdout] e1cc822a1cbe3c2dbab20f476462b54153e3337ae25d6cc70da48c6dd56ca1b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5001102a5a8ce39dcc3f042802ce10347f4062429008fb1c3d529fe07f15e94
[INFO] running `Command { std: "docker" "start" "-a" "b5001102a5a8ce39dcc3f042802ce10347f4062429008fb1c3d529fe07f15e94", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling tokio v1.8.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling serialport v3.3.0
[INFO] [stderr]    Compiling mio-serial v3.3.1
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling tokio-serial v4.3.3 (git://github.com/davidcole1340/tokio-serial#29d4ec5b)
[INFO] [stderr]    Compiling elm327 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.04s
[INFO] running `Command { std: "docker" "inspect" "b5001102a5a8ce39dcc3f042802ce10347f4062429008fb1c3d529fe07f15e94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5001102a5a8ce39dcc3f042802ce10347f4062429008fb1c3d529fe07f15e94", kill_on_drop: false }`
[INFO] [stdout] b5001102a5a8ce39dcc3f042802ce10347f4062429008fb1c3d529fe07f15e94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b60661ef6a43788c0356d16cee5f7a832cafdbfe8c6aa2eb29fe2f0e0f8c04f
[INFO] running `Command { std: "docker" "start" "-a" "4b60661ef6a43788c0356d16cee5f7a832cafdbfe8c6aa2eb29fe2f0e0f8c04f", kill_on_drop: false }`
[INFO] [stderr]    Compiling elm327 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "4b60661ef6a43788c0356d16cee5f7a832cafdbfe8c6aa2eb29fe2f0e0f8c04f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b60661ef6a43788c0356d16cee5f7a832cafdbfe8c6aa2eb29fe2f0e0f8c04f", kill_on_drop: false }`
[INFO] [stdout] 4b60661ef6a43788c0356d16cee5f7a832cafdbfe8c6aa2eb29fe2f0e0f8c04f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c11cb25612cca03e73d8c2bd5f53b1f49689f5497da3cf8ed32814b9c23ba112
[INFO] running `Command { std: "docker" "start" "-a" "c11cb25612cca03e73d8c2bd5f53b1f49689f5497da3cf8ed32814b9c23ba112", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/elm327-9015e00b0682ceb2)
[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] [stderr]    Doc-tests elm327
[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" "c11cb25612cca03e73d8c2bd5f53b1f49689f5497da3cf8ed32814b9c23ba112", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c11cb25612cca03e73d8c2bd5f53b1f49689f5497da3cf8ed32814b9c23ba112", kill_on_drop: false }`
[INFO] [stdout] c11cb25612cca03e73d8c2bd5f53b1f49689f5497da3cf8ed32814b9c23ba112