[INFO] fetching crate wringer 0.1.0...
[INFO] testing wringer-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate wringer 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate wringer 0.1.0 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 wringer 0.1.0
[INFO] finished tweaking crates.io crate wringer 0.1.0
[INFO] tweaked toml for crates.io crate wringer 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate wringer 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] e1a7acd9317883e8fc6f1a043fe48e2b039cc23ca4392efc657e110e7d3aa7cd
[INFO] running `Command { std: "docker" "start" "-a" "e1a7acd9317883e8fc6f1a043fe48e2b039cc23ca4392efc657e110e7d3aa7cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1a7acd9317883e8fc6f1a043fe48e2b039cc23ca4392efc657e110e7d3aa7cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1a7acd9317883e8fc6f1a043fe48e2b039cc23ca4392efc657e110e7d3aa7cd", kill_on_drop: false }`
[INFO] [stdout] e1a7acd9317883e8fc6f1a043fe48e2b039cc23ca4392efc657e110e7d3aa7cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 9d7f9430ecfe1496190a72f1c1180f766a925d24d05bfd80f7110c1937fd47b3
[INFO] running `Command { std: "docker" "start" "-a" "9d7f9430ecfe1496190a72f1c1180f766a925d24d05bfd80f7110c1937fd47b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling wringer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "9d7f9430ecfe1496190a72f1c1180f766a925d24d05bfd80f7110c1937fd47b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d7f9430ecfe1496190a72f1c1180f766a925d24d05bfd80f7110c1937fd47b3", kill_on_drop: false }`
[INFO] [stdout] 9d7f9430ecfe1496190a72f1c1180f766a925d24d05bfd80f7110c1937fd47b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] a6c0f93eb7ca861b0cf74fb8860f6022dbc01dfb3098e08118d7ca3d9d8c40de
[INFO] running `Command { std: "docker" "start" "-a" "a6c0f93eb7ca861b0cf74fb8860f6022dbc01dfb3098e08118d7ca3d9d8c40de", kill_on_drop: false }`
[INFO] [stderr]    Compiling wringer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "a6c0f93eb7ca861b0cf74fb8860f6022dbc01dfb3098e08118d7ca3d9d8c40de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6c0f93eb7ca861b0cf74fb8860f6022dbc01dfb3098e08118d7ca3d9d8c40de", kill_on_drop: false }`
[INFO] [stdout] a6c0f93eb7ca861b0cf74fb8860f6022dbc01dfb3098e08118d7ca3d9d8c40de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 4ec4558ea3edd5451545397dc42f22c973272ef4067cf12207e05015da6a8375
[INFO] running `Command { std: "docker" "start" "-a" "4ec4558ea3edd5451545397dc42f22c973272ef4067cf12207e05015da6a8375", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wringer-ebf944cdd58de5d7)
[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" "4ec4558ea3edd5451545397dc42f22c973272ef4067cf12207e05015da6a8375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ec4558ea3edd5451545397dc42f22c973272ef4067cf12207e05015da6a8375", kill_on_drop: false }`
[INFO] [stdout] 4ec4558ea3edd5451545397dc42f22c973272ef4067cf12207e05015da6a8375