[INFO] fetching crate cargo-rebuild 0.1.0...
[INFO] testing cargo-rebuild-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate cargo-rebuild 0.1.0 into /workspace/builds/worker-88/source
[INFO] validating manifest of crates.io crate cargo-rebuild 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 cargo-rebuild 0.1.0
[INFO] finished tweaking crates.io crate cargo-rebuild 0.1.0
[INFO] tweaked toml for crates.io crate cargo-rebuild 0.1.0 written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] crate crates.io crate cargo-rebuild 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] ef446dfd4f5ca49afe9f5ba0788580aa15cb3f20e44938a82a8a1d630546d215
[INFO] running `Command { std: "docker" "start" "-a" "ef446dfd4f5ca49afe9f5ba0788580aa15cb3f20e44938a82a8a1d630546d215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef446dfd4f5ca49afe9f5ba0788580aa15cb3f20e44938a82a8a1d630546d215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef446dfd4f5ca49afe9f5ba0788580aa15cb3f20e44938a82a8a1d630546d215", kill_on_drop: false }`
[INFO] [stdout] ef446dfd4f5ca49afe9f5ba0788580aa15cb3f20e44938a82a8a1d630546d215
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] d7ac82d10c21228f12c6b0fd222cd5d5ea82406df4e9672542c97096e88d2d6e
[INFO] running `Command { std: "docker" "start" "-a" "d7ac82d10c21228f12c6b0fd222cd5d5ea82406df4e9672542c97096e88d2d6e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cargo-rebuild v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.87s
[INFO] running `Command { std: "docker" "inspect" "d7ac82d10c21228f12c6b0fd222cd5d5ea82406df4e9672542c97096e88d2d6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7ac82d10c21228f12c6b0fd222cd5d5ea82406df4e9672542c97096e88d2d6e", kill_on_drop: false }`
[INFO] [stdout] d7ac82d10c21228f12c6b0fd222cd5d5ea82406df4e9672542c97096e88d2d6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] ca4c1e50d09f1cb6ef307e32db7900112be4731763c0e1b299bb2e6fb82db038
[INFO] running `Command { std: "docker" "start" "-a" "ca4c1e50d09f1cb6ef307e32db7900112be4731763c0e1b299bb2e6fb82db038", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-rebuild v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "ca4c1e50d09f1cb6ef307e32db7900112be4731763c0e1b299bb2e6fb82db038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca4c1e50d09f1cb6ef307e32db7900112be4731763c0e1b299bb2e6fb82db038", kill_on_drop: false }`
[INFO] [stdout] ca4c1e50d09f1cb6ef307e32db7900112be4731763c0e1b299bb2e6fb82db038
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] aa605958e9f0b9e55cbe3e2bed0e35e905ed8c1e95b6fe8f5d406fd46ac5d7c3
[INFO] running `Command { std: "docker" "start" "-a" "aa605958e9f0b9e55cbe3e2bed0e35e905ed8c1e95b6fe8f5d406fd46ac5d7c3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo_rebuild-028d1abd58935dfa)
[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" "aa605958e9f0b9e55cbe3e2bed0e35e905ed8c1e95b6fe8f5d406fd46ac5d7c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa605958e9f0b9e55cbe3e2bed0e35e905ed8c1e95b6fe8f5d406fd46ac5d7c3", kill_on_drop: false }`
[INFO] [stdout] aa605958e9f0b9e55cbe3e2bed0e35e905ed8c1e95b6fe8f5d406fd46ac5d7c3