[INFO] fetching crate tet-du 0.0.0...
[INFO] testing tet-du-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate tet-du 0.0.0 into /workspace/builds/worker-97/source
[INFO] validating manifest of crates.io crate tet-du 0.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tet-du 0.0.0
[INFO] finished tweaking crates.io crate tet-du 0.0.0
[INFO] tweaked toml for crates.io crate tet-du 0.0.0 written to /workspace/builds/worker-97/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18757ff6d53f484941d0d86d2d50c4196543b8b51174039a0beed8b95ca367e0
[INFO] running `Command { std: "docker" "start" "-a" "18757ff6d53f484941d0d86d2d50c4196543b8b51174039a0beed8b95ca367e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18757ff6d53f484941d0d86d2d50c4196543b8b51174039a0beed8b95ca367e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18757ff6d53f484941d0d86d2d50c4196543b8b51174039a0beed8b95ca367e0", kill_on_drop: false }`
[INFO] [stdout] 18757ff6d53f484941d0d86d2d50c4196543b8b51174039a0beed8b95ca367e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12d37e3c7b56f63d9ac4d280d0abc937f4397c69016661f535a1b46e0061327c
[INFO] running `Command { std: "docker" "start" "-a" "12d37e3c7b56f63d9ac4d280d0abc937f4397c69016661f535a1b46e0061327c", kill_on_drop: false }`
[INFO] [stderr]    Compiling tet-du v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "12d37e3c7b56f63d9ac4d280d0abc937f4397c69016661f535a1b46e0061327c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12d37e3c7b56f63d9ac4d280d0abc937f4397c69016661f535a1b46e0061327c", kill_on_drop: false }`
[INFO] [stdout] 12d37e3c7b56f63d9ac4d280d0abc937f4397c69016661f535a1b46e0061327c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 705d7c5b21c48ce2b5b17c1f068a3d58e79fbf1107ef41a1f8b84eed71a8aa23
[INFO] running `Command { std: "docker" "start" "-a" "705d7c5b21c48ce2b5b17c1f068a3d58e79fbf1107ef41a1f8b84eed71a8aa23", kill_on_drop: false }`
[INFO] [stderr]    Compiling tet-du v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "705d7c5b21c48ce2b5b17c1f068a3d58e79fbf1107ef41a1f8b84eed71a8aa23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "705d7c5b21c48ce2b5b17c1f068a3d58e79fbf1107ef41a1f8b84eed71a8aa23", kill_on_drop: false }`
[INFO] [stdout] 705d7c5b21c48ce2b5b17c1f068a3d58e79fbf1107ef41a1f8b84eed71a8aa23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 32d068ab50ba2e0115560e59206eec2f0d5aa8868522a45d29af226509cd976d
[INFO] running `Command { std: "docker" "start" "-a" "32d068ab50ba2e0115560e59206eec2f0d5aa8868522a45d29af226509cd976d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tet_du-dc340c8f7a4b3618)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tet-du
[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" "32d068ab50ba2e0115560e59206eec2f0d5aa8868522a45d29af226509cd976d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32d068ab50ba2e0115560e59206eec2f0d5aa8868522a45d29af226509cd976d", kill_on_drop: false }`
[INFO] [stdout] 32d068ab50ba2e0115560e59206eec2f0d5aa8868522a45d29af226509cd976d