[INFO] fetching crate vswhere 0.1.0...
[INFO] testing vswhere-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate vswhere 0.1.0 into /workspace/builds/worker-102/source
[INFO] validating manifest of crates.io crate vswhere 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 vswhere 0.1.0
[INFO] finished tweaking crates.io crate vswhere 0.1.0
[INFO] tweaked toml for crates.io crate vswhere 0.1.0 written to /workspace/builds/worker-102/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] [stderr]     Blocking waiting for file lock on package cache
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded url_serde v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] b04c08b4ea25d3adae25f0a2f69a2bd8710523670ed0c8b2fe890e490670e68a
[INFO] running `Command { std: "docker" "start" "-a" "b04c08b4ea25d3adae25f0a2f69a2bd8710523670ed0c8b2fe890e490670e68a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b04c08b4ea25d3adae25f0a2f69a2bd8710523670ed0c8b2fe890e490670e68a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b04c08b4ea25d3adae25f0a2f69a2bd8710523670ed0c8b2fe890e490670e68a", kill_on_drop: false }`
[INFO] [stdout] b04c08b4ea25d3adae25f0a2f69a2bd8710523670ed0c8b2fe890e490670e68a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] 554dc4654debc49d5066b6f82a0b0d84fc59f3bec63043a0000f4036e9fcd870
[INFO] running `Command { std: "docker" "start" "-a" "554dc4654debc49d5066b6f82a0b0d84fc59f3bec63043a0000f4036e9fcd870", kill_on_drop: false }`
[INFO] [stderr]    Compiling vswhere v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "554dc4654debc49d5066b6f82a0b0d84fc59f3bec63043a0000f4036e9fcd870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "554dc4654debc49d5066b6f82a0b0d84fc59f3bec63043a0000f4036e9fcd870", kill_on_drop: false }`
[INFO] [stdout] 554dc4654debc49d5066b6f82a0b0d84fc59f3bec63043a0000f4036e9fcd870
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] e31fe1a9ee99b6dc384aca7cb6576e6dc1b41fbd6bd330090bf3d0c78de1222f
[INFO] running `Command { std: "docker" "start" "-a" "e31fe1a9ee99b6dc384aca7cb6576e6dc1b41fbd6bd330090bf3d0c78de1222f", kill_on_drop: false }`
[INFO] [stderr]    Compiling vswhere v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "e31fe1a9ee99b6dc384aca7cb6576e6dc1b41fbd6bd330090bf3d0c78de1222f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e31fe1a9ee99b6dc384aca7cb6576e6dc1b41fbd6bd330090bf3d0c78de1222f", kill_on_drop: false }`
[INFO] [stdout] e31fe1a9ee99b6dc384aca7cb6576e6dc1b41fbd6bd330090bf3d0c78de1222f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] 9e18d435274af14f2626c1b0d09a80c0066371e2d747e66490ce08eca74d93b3
[INFO] running `Command { std: "docker" "start" "-a" "9e18d435274af14f2626c1b0d09a80c0066371e2d747e66490ce08eca74d93b3", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.70s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vswhere-c247320ab998f1ec)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vswhere
[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] [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" "9e18d435274af14f2626c1b0d09a80c0066371e2d747e66490ce08eca74d93b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e18d435274af14f2626c1b0d09a80c0066371e2d747e66490ce08eca74d93b3", kill_on_drop: false }`
[INFO] [stdout] 9e18d435274af14f2626c1b0d09a80c0066371e2d747e66490ce08eca74d93b3