[INFO] cloning repository https://github.com/clearyf/muserial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/clearyf/muserial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclearyf%2Fmuserial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclearyf%2Fmuserial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 61e8a03fdd06046770941bf6ee6ec54a64e57132
[INFO] testing clearyf/muserial against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclearyf%2Fmuserial" "/workspace/builds/worker-38/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-38/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/clearyf/muserial 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/clearyf/muserial
[INFO] finished tweaking git repo https://github.com/clearyf/muserial
[INFO] tweaked toml for git repo https://github.com/clearyf/muserial written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate git repo https://github.com/clearyf/muserial 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded argparse v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 7f185657cbd98cfaffdf3fe8d040c2914d9c69819ce08b08678221abbe4bd508
[INFO] running `Command { std: "docker" "start" "-a" "7f185657cbd98cfaffdf3fe8d040c2914d9c69819ce08b08678221abbe4bd508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f185657cbd98cfaffdf3fe8d040c2914d9c69819ce08b08678221abbe4bd508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f185657cbd98cfaffdf3fe8d040c2914d9c69819ce08b08678221abbe4bd508", kill_on_drop: false }`
[INFO] [stdout] 7f185657cbd98cfaffdf3fe8d040c2914d9c69819ce08b08678221abbe4bd508
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 8b3764a97f4426bcaa17e6b4a96fc919d2a03a264c91af88efe6896a4424a985
[INFO] running `Command { std: "docker" "start" "-a" "8b3764a97f4426bcaa17e6b4a96fc919d2a03a264c91af88efe6896a4424a985", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling argparse v0.2.2
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling muserial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `Command { std: "docker" "inspect" "8b3764a97f4426bcaa17e6b4a96fc919d2a03a264c91af88efe6896a4424a985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b3764a97f4426bcaa17e6b4a96fc919d2a03a264c91af88efe6896a4424a985", kill_on_drop: false }`
[INFO] [stdout] 8b3764a97f4426bcaa17e6b4a96fc919d2a03a264c91af88efe6896a4424a985
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] aec27bcba02f49ad92ff3dde6c9f5395f72a162bd3966f1234354b5f0319fe18
[INFO] running `Command { std: "docker" "start" "-a" "aec27bcba02f49ad92ff3dde6c9f5395f72a162bd3966f1234354b5f0319fe18", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling muserial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 32.63s
[INFO] running `Command { std: "docker" "inspect" "aec27bcba02f49ad92ff3dde6c9f5395f72a162bd3966f1234354b5f0319fe18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aec27bcba02f49ad92ff3dde6c9f5395f72a162bd3966f1234354b5f0319fe18", kill_on_drop: false }`
[INFO] [stdout] aec27bcba02f49ad92ff3dde6c9f5395f72a162bd3966f1234354b5f0319fe18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] f43e2d7d61ca166cd356ddc285a4f77c320c07e69f49f1c271eef316923ff800
[INFO] running `Command { std: "docker" "start" "-a" "f43e2d7d61ca166cd356ddc285a4f77c320c07e69f49f1c271eef316923ff800", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/muserial-0c9b57521fcec9a3)
[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" "f43e2d7d61ca166cd356ddc285a4f77c320c07e69f49f1c271eef316923ff800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f43e2d7d61ca166cd356ddc285a4f77c320c07e69f49f1c271eef316923ff800", kill_on_drop: false }`
[INFO] [stdout] f43e2d7d61ca166cd356ddc285a4f77c320c07e69f49f1c271eef316923ff800