[INFO] fetching crate polaris 0.0.0...
[INFO] testing polaris-0.0.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate polaris 0.0.0 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate polaris 0.0.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polaris 0.0.0
[INFO] finished tweaking crates.io crate polaris 0.0.0
[INFO] tweaked toml for crates.io crate polaris 0.0.0 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate crates.io crate polaris 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63c191b399dac8e7fcbbb34dc337b7214ebb4339e10a9fbe19eacccc7af826d2
[INFO] running `Command { std: "docker" "start" "-a" "63c191b399dac8e7fcbbb34dc337b7214ebb4339e10a9fbe19eacccc7af826d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63c191b399dac8e7fcbbb34dc337b7214ebb4339e10a9fbe19eacccc7af826d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63c191b399dac8e7fcbbb34dc337b7214ebb4339e10a9fbe19eacccc7af826d2", kill_on_drop: false }`
[INFO] [stdout] 63c191b399dac8e7fcbbb34dc337b7214ebb4339e10a9fbe19eacccc7af826d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b747c575a96d3b43c156c9bc32c8ce876e66a9b2c388731b8d74a5448a937ed
[INFO] running `Command { std: "docker" "start" "-a" "7b747c575a96d3b43c156c9bc32c8ce876e66a9b2c388731b8d74a5448a937ed", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling polaris v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "7b747c575a96d3b43c156c9bc32c8ce876e66a9b2c388731b8d74a5448a937ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b747c575a96d3b43c156c9bc32c8ce876e66a9b2c388731b8d74a5448a937ed", kill_on_drop: false }`
[INFO] [stdout] 7b747c575a96d3b43c156c9bc32c8ce876e66a9b2c388731b8d74a5448a937ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9831214701ccd8c098d500dd1d2df39f3d4ce950aacd46dc5820899d91051159
[INFO] running `Command { std: "docker" "start" "-a" "9831214701ccd8c098d500dd1d2df39f3d4ce950aacd46dc5820899d91051159", kill_on_drop: false }`
[INFO] [stderr]    Compiling polaris v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/polaris-343eb82f68b5ac9d)
[INFO] running `Command { std: "docker" "inspect" "9831214701ccd8c098d500dd1d2df39f3d4ce950aacd46dc5820899d91051159", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9831214701ccd8c098d500dd1d2df39f3d4ce950aacd46dc5820899d91051159", kill_on_drop: false }`
[INFO] [stdout] 9831214701ccd8c098d500dd1d2df39f3d4ce950aacd46dc5820899d91051159
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c205a4b8775d5cb7ee3eb212d9d44afb6eecaeb70f0d261c2d16cf8c7d7ce3d2
[INFO] running `Command { std: "docker" "start" "-a" "c205a4b8775d5cb7ee3eb212d9d44afb6eecaeb70f0d261c2d16cf8c7d7ce3d2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/polaris-343eb82f68b5ac9d)
[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" "c205a4b8775d5cb7ee3eb212d9d44afb6eecaeb70f0d261c2d16cf8c7d7ce3d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c205a4b8775d5cb7ee3eb212d9d44afb6eecaeb70f0d261c2d16cf8c7d7ce3d2", kill_on_drop: false }`
[INFO] [stdout] c205a4b8775d5cb7ee3eb212d9d44afb6eecaeb70f0d261c2d16cf8c7d7ce3d2