[INFO] fetching crate irksome 0.0.1...
[INFO] testing irksome-0.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate irksome 0.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate irksome 0.0.1 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 irksome 0.0.1
[INFO] finished tweaking crates.io crate irksome 0.0.1
[INFO] tweaked toml for crates.io crate irksome 0.0.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 1cb4b707d47859dfe114047787b20e56c7cc39390959c8e4d092e9aa513fc6e8
[INFO] running `Command { std: "docker" "start" "-a" "1cb4b707d47859dfe114047787b20e56c7cc39390959c8e4d092e9aa513fc6e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cb4b707d47859dfe114047787b20e56c7cc39390959c8e4d092e9aa513fc6e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cb4b707d47859dfe114047787b20e56c7cc39390959c8e4d092e9aa513fc6e8", kill_on_drop: false }`
[INFO] [stdout] 1cb4b707d47859dfe114047787b20e56c7cc39390959c8e4d092e9aa513fc6e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] a8fffbaf1e3d3c4315b0712ff0725e31326e18bc4b273ad34e8bc808dfb0fa55
[INFO] running `Command { std: "docker" "start" "-a" "a8fffbaf1e3d3c4315b0712ff0725e31326e18bc4b273ad34e8bc808dfb0fa55", kill_on_drop: false }`
[INFO] [stderr]    Compiling irksome v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "a8fffbaf1e3d3c4315b0712ff0725e31326e18bc4b273ad34e8bc808dfb0fa55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8fffbaf1e3d3c4315b0712ff0725e31326e18bc4b273ad34e8bc808dfb0fa55", kill_on_drop: false }`
[INFO] [stdout] a8fffbaf1e3d3c4315b0712ff0725e31326e18bc4b273ad34e8bc808dfb0fa55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] f6ef056ffc8894da0b70c50d025bd0b5b594de02a065591a8b5f57e3be609e14
[INFO] running `Command { std: "docker" "start" "-a" "f6ef056ffc8894da0b70c50d025bd0b5b594de02a065591a8b5f57e3be609e14", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling irksome v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "f6ef056ffc8894da0b70c50d025bd0b5b594de02a065591a8b5f57e3be609e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6ef056ffc8894da0b70c50d025bd0b5b594de02a065591a8b5f57e3be609e14", kill_on_drop: false }`
[INFO] [stdout] f6ef056ffc8894da0b70c50d025bd0b5b594de02a065591a8b5f57e3be609e14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] e4feaf49a3d60fe6e444f08977211c0dc02a240810b2f8088cb8078e8ef26fa3
[INFO] running `Command { std: "docker" "start" "-a" "e4feaf49a3d60fe6e444f08977211c0dc02a240810b2f8088cb8078e8ef26fa3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/irksome-0d12d4aa66c1dfcd)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests irksome
[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] [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" "e4feaf49a3d60fe6e444f08977211c0dc02a240810b2f8088cb8078e8ef26fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4feaf49a3d60fe6e444f08977211c0dc02a240810b2f8088cb8078e8ef26fa3", kill_on_drop: false }`
[INFO] [stdout] e4feaf49a3d60fe6e444f08977211c0dc02a240810b2f8088cb8078e8ef26fa3