[INFO] fetching crate rust_scan 1.0.0...
[INFO] testing rust_scan-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rust_scan 1.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rust_scan 1.0.0 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 rust_scan 1.0.0
[INFO] finished tweaking crates.io crate rust_scan 1.0.0
[INFO] tweaked toml for crates.io crate rust_scan 1.0.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate rust_scan 1.0.0 already has a lockfile, it will not be regenerated
[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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 228c77398d4a6c9b09a5bb4f61626106f9c4f0e4d1ae968399dbd7ce23ec8940
[INFO] running `Command { std: "docker" "start" "-a" "228c77398d4a6c9b09a5bb4f61626106f9c4f0e4d1ae968399dbd7ce23ec8940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "228c77398d4a6c9b09a5bb4f61626106f9c4f0e4d1ae968399dbd7ce23ec8940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "228c77398d4a6c9b09a5bb4f61626106f9c4f0e4d1ae968399dbd7ce23ec8940", kill_on_drop: false }`
[INFO] [stdout] 228c77398d4a6c9b09a5bb4f61626106f9c4f0e4d1ae968399dbd7ce23ec8940
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 296c7a8bbb095ff2b8664e1081846f4a063500f61515571aaad8ecaefa66fa17
[INFO] running `Command { std: "docker" "start" "-a" "296c7a8bbb095ff2b8664e1081846f4a063500f61515571aaad8ecaefa66fa17", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rust_scan v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.26s
[INFO] running `Command { std: "docker" "inspect" "296c7a8bbb095ff2b8664e1081846f4a063500f61515571aaad8ecaefa66fa17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "296c7a8bbb095ff2b8664e1081846f4a063500f61515571aaad8ecaefa66fa17", kill_on_drop: false }`
[INFO] [stdout] 296c7a8bbb095ff2b8664e1081846f4a063500f61515571aaad8ecaefa66fa17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] dee0be77e35aac0474784a0bbd48ca6bdfc5aae9b5fabdc38f5e1735510045c3
[INFO] running `Command { std: "docker" "start" "-a" "dee0be77e35aac0474784a0bbd48ca6bdfc5aae9b5fabdc38f5e1735510045c3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_scan v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "dee0be77e35aac0474784a0bbd48ca6bdfc5aae9b5fabdc38f5e1735510045c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dee0be77e35aac0474784a0bbd48ca6bdfc5aae9b5fabdc38f5e1735510045c3", kill_on_drop: false }`
[INFO] [stdout] dee0be77e35aac0474784a0bbd48ca6bdfc5aae9b5fabdc38f5e1735510045c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 2f0d70a190c81a278977c3d18ca5d75ae7a8915e5bfaea2ce2c5aa2c13a927c3
[INFO] running `Command { std: "docker" "start" "-a" "2f0d70a190c81a278977c3d18ca5d75ae7a8915e5bfaea2ce2c5aa2c13a927c3", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_scan-c869538be11f9258)
[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" "2f0d70a190c81a278977c3d18ca5d75ae7a8915e5bfaea2ce2c5aa2c13a927c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f0d70a190c81a278977c3d18ca5d75ae7a8915e5bfaea2ce2c5aa2c13a927c3", kill_on_drop: false }`
[INFO] [stdout] 2f0d70a190c81a278977c3d18ca5d75ae7a8915e5bfaea2ce2c5aa2c13a927c3