[INFO] fetching crate language 0.0.0...
[INFO] testing language-0.0.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate language 0.0.0 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate language 0.0.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate language 0.0.0
[INFO] finished tweaking crates.io crate language 0.0.0
[INFO] tweaked toml for crates.io crate language 0.0.0 written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] crate crates.io crate language 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b711e40c521e669dd0328a44b8a20a266da6bc0e7d668cf49d27011f6fe2840
[INFO] running `Command { std: "docker" "start" "-a" "5b711e40c521e669dd0328a44b8a20a266da6bc0e7d668cf49d27011f6fe2840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b711e40c521e669dd0328a44b8a20a266da6bc0e7d668cf49d27011f6fe2840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b711e40c521e669dd0328a44b8a20a266da6bc0e7d668cf49d27011f6fe2840", kill_on_drop: false }`
[INFO] [stdout] 5b711e40c521e669dd0328a44b8a20a266da6bc0e7d668cf49d27011f6fe2840
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9aa17687e645aee3785f0a6090e1dc6e0a25655a5ca33ad958883206f02fa11f
[INFO] running `Command { std: "docker" "start" "-a" "9aa17687e645aee3785f0a6090e1dc6e0a25655a5ca33ad958883206f02fa11f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling language v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "9aa17687e645aee3785f0a6090e1dc6e0a25655a5ca33ad958883206f02fa11f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aa17687e645aee3785f0a6090e1dc6e0a25655a5ca33ad958883206f02fa11f", kill_on_drop: false }`
[INFO] [stdout] 9aa17687e645aee3785f0a6090e1dc6e0a25655a5ca33ad958883206f02fa11f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 318944d16ba620aa5a4c4cd83e6075f7e43c79e921581f28413491af7e508554
[INFO] running `Command { std: "docker" "start" "-a" "318944d16ba620aa5a4c4cd83e6075f7e43c79e921581f28413491af7e508554", kill_on_drop: false }`
[INFO] [stderr]    Compiling language v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "318944d16ba620aa5a4c4cd83e6075f7e43c79e921581f28413491af7e508554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "318944d16ba620aa5a4c4cd83e6075f7e43c79e921581f28413491af7e508554", kill_on_drop: false }`
[INFO] [stdout] 318944d16ba620aa5a4c4cd83e6075f7e43c79e921581f28413491af7e508554
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bdd3e075f7dd170be0ca759740d76ecea35b809d99c3aca4c136540c23fbb7ab
[INFO] running `Command { std: "docker" "start" "-a" "bdd3e075f7dd170be0ca759740d76ecea35b809d99c3aca4c136540c23fbb7ab", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/language-dea1a5cfa8d71925)
[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" "bdd3e075f7dd170be0ca759740d76ecea35b809d99c3aca4c136540c23fbb7ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdd3e075f7dd170be0ca759740d76ecea35b809d99c3aca4c136540c23fbb7ab", kill_on_drop: false }`
[INFO] [stdout] bdd3e075f7dd170be0ca759740d76ecea35b809d99c3aca4c136540c23fbb7ab