[INFO] fetching crate vingrep 0.1.0...
[INFO] testing vingrep-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate vingrep 0.1.0 into /workspace/builds/worker-91/source
[INFO] validating manifest of crates.io crate vingrep 0.1.0 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 vingrep 0.1.0
[INFO] finished tweaking crates.io crate vingrep 0.1.0
[INFO] tweaked toml for crates.io crate vingrep 0.1.0 written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] crate crates.io crate vingrep 0.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] 3766644a742431f4d439b2eafed46cff7f1b8d432e7f12503fe6c57127bcbefc
[INFO] running `Command { std: "docker" "start" "-a" "3766644a742431f4d439b2eafed46cff7f1b8d432e7f12503fe6c57127bcbefc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3766644a742431f4d439b2eafed46cff7f1b8d432e7f12503fe6c57127bcbefc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3766644a742431f4d439b2eafed46cff7f1b8d432e7f12503fe6c57127bcbefc", kill_on_drop: false }`
[INFO] [stdout] 3766644a742431f4d439b2eafed46cff7f1b8d432e7f12503fe6c57127bcbefc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] ebdda54fadfd6dc9fa1cc09f9beb7c1d62b965a80b1e4890436bc0085a4eb11d
[INFO] running `Command { std: "docker" "start" "-a" "ebdda54fadfd6dc9fa1cc09f9beb7c1d62b965a80b1e4890436bc0085a4eb11d", kill_on_drop: false }`
[INFO] [stderr]    Compiling vingrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "ebdda54fadfd6dc9fa1cc09f9beb7c1d62b965a80b1e4890436bc0085a4eb11d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebdda54fadfd6dc9fa1cc09f9beb7c1d62b965a80b1e4890436bc0085a4eb11d", kill_on_drop: false }`
[INFO] [stdout] ebdda54fadfd6dc9fa1cc09f9beb7c1d62b965a80b1e4890436bc0085a4eb11d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] 6e0bdc5dcebbe30b3e6d0ba7d3b58b2f2ff08c4a7f8cb5514772a4a468ff02d7
[INFO] running `Command { std: "docker" "start" "-a" "6e0bdc5dcebbe30b3e6d0ba7d3b58b2f2ff08c4a7f8cb5514772a4a468ff02d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling vingrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "6e0bdc5dcebbe30b3e6d0ba7d3b58b2f2ff08c4a7f8cb5514772a4a468ff02d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e0bdc5dcebbe30b3e6d0ba7d3b58b2f2ff08c4a7f8cb5514772a4a468ff02d7", kill_on_drop: false }`
[INFO] [stdout] 6e0bdc5dcebbe30b3e6d0ba7d3b58b2f2ff08c4a7f8cb5514772a4a468ff02d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] c8a2f940ce15589ae7fbefba474e7f800fff0263597e1922b7a4e8ab6b18dc64
[INFO] running `Command { std: "docker" "start" "-a" "c8a2f940ce15589ae7fbefba474e7f800fff0263597e1922b7a4e8ab6b18dc64", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vingrep-9224810d22b97edd)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::no_case ... ok
[INFO] [stdout] test tests::run_test ... ok
[INFO] [stdout] test tests::with_case ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vingrep-6e87eb00f2a651d4)
[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] [stderr]    Doc-tests vingrep
[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" "c8a2f940ce15589ae7fbefba474e7f800fff0263597e1922b7a4e8ab6b18dc64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8a2f940ce15589ae7fbefba474e7f800fff0263597e1922b7a4e8ab6b18dc64", kill_on_drop: false }`
[INFO] [stdout] c8a2f940ce15589ae7fbefba474e7f800fff0263597e1922b7a4e8ab6b18dc64