[INFO] fetching crate tw 0.1.0...
[INFO] testing tw-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate tw 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tw 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tw 0.1.0
[INFO] finished tweaking crates.io crate tw 0.1.0
[INFO] tweaked toml for crates.io crate tw 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate tw 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd2c9c2b40a031ce025ef13fc2725c157d7a9272617de77bf261a3304be539a2
[INFO] running `Command { std: "docker" "start" "-a" "fd2c9c2b40a031ce025ef13fc2725c157d7a9272617de77bf261a3304be539a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd2c9c2b40a031ce025ef13fc2725c157d7a9272617de77bf261a3304be539a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd2c9c2b40a031ce025ef13fc2725c157d7a9272617de77bf261a3304be539a2", kill_on_drop: false }`
[INFO] [stdout] fd2c9c2b40a031ce025ef13fc2725c157d7a9272617de77bf261a3304be539a2
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f63bbee749a58011cbd25db49cf05b622c60e797c9038a4a65a759c14d0b698
[INFO] running `Command { std: "docker" "start" "-a" "4f63bbee749a58011cbd25db49cf05b622c60e797c9038a4a65a759c14d0b698", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "4f63bbee749a58011cbd25db49cf05b622c60e797c9038a4a65a759c14d0b698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f63bbee749a58011cbd25db49cf05b622c60e797c9038a4a65a759c14d0b698", kill_on_drop: false }`
[INFO] [stdout] 4f63bbee749a58011cbd25db49cf05b622c60e797c9038a4a65a759c14d0b698
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ab44a9a386eeca586313d7186565db638e8b3d924168947eeac5f86d9edfb9b
[INFO] running `Command { std: "docker" "start" "-a" "5ab44a9a386eeca586313d7186565db638e8b3d924168947eeac5f86d9edfb9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling tw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "5ab44a9a386eeca586313d7186565db638e8b3d924168947eeac5f86d9edfb9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ab44a9a386eeca586313d7186565db638e8b3d924168947eeac5f86d9edfb9b", kill_on_drop: false }`
[INFO] [stdout] 5ab44a9a386eeca586313d7186565db638e8b3d924168947eeac5f86d9edfb9b
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e4dde2b8b7d2a33da98e5e2e0b1588d3cb5635bbfbdd13aa93b2383733ff1aab
[INFO] running `Command { std: "docker" "start" "-a" "e4dde2b8b7d2a33da98e5e2e0b1588d3cb5635bbfbdd13aa93b2383733ff1aab", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tw-b538766ee805af38)
[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" "e4dde2b8b7d2a33da98e5e2e0b1588d3cb5635bbfbdd13aa93b2383733ff1aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4dde2b8b7d2a33da98e5e2e0b1588d3cb5635bbfbdd13aa93b2383733ff1aab", kill_on_drop: false }`
[INFO] [stdout] e4dde2b8b7d2a33da98e5e2e0b1588d3cb5635bbfbdd13aa93b2383733ff1aab