[INFO] cloning repository https://github.com/Manishearth/cargo-resolver-bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Manishearth/cargo-resolver-bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FManishearth%2Fcargo-resolver-bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FManishearth%2Fcargo-resolver-bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0840be3bd0570e84dc8ed8b2cbec257d7c49de9d
[INFO] testing Manishearth/cargo-resolver-bug against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FManishearth%2Fcargo-resolver-bug" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Manishearth/cargo-resolver-bug 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 git repo https://github.com/Manishearth/cargo-resolver-bug
[INFO] finished tweaking git repo https://github.com/Manishearth/cargo-resolver-bug
[INFO] tweaked toml for git repo https://github.com/Manishearth/cargo-resolver-bug written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Manishearth/cargo-resolver-bug 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 0c865a6dbf4df7089caf5e64efd85a6037ab8c1b3f42522e07aaf9e2f48ab2c7
[INFO] running `Command { std: "docker" "start" "-a" "0c865a6dbf4df7089caf5e64efd85a6037ab8c1b3f42522e07aaf9e2f48ab2c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c865a6dbf4df7089caf5e64efd85a6037ab8c1b3f42522e07aaf9e2f48ab2c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c865a6dbf4df7089caf5e64efd85a6037ab8c1b3f42522e07aaf9e2f48ab2c7", kill_on_drop: false }`
[INFO] [stdout] 0c865a6dbf4df7089caf5e64efd85a6037ab8c1b3f42522e07aaf9e2f48ab2c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 37904b3834c1398c1e1aabf8c020db55e8dde2f20f1e8e965732e81eaf2d8a58
[INFO] running `Command { std: "docker" "start" "-a" "37904b3834c1398c1e1aabf8c020db55e8dde2f20f1e8e965732e81eaf2d8a58", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling library v0.1.0 (/opt/rustwide/workdir/library)
[INFO] [stderr]    Compiling tool v0.1.0 (/opt/rustwide/workdir/tool)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.79s
[INFO] running `Command { std: "docker" "inspect" "37904b3834c1398c1e1aabf8c020db55e8dde2f20f1e8e965732e81eaf2d8a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37904b3834c1398c1e1aabf8c020db55e8dde2f20f1e8e965732e81eaf2d8a58", kill_on_drop: false }`
[INFO] [stdout] 37904b3834c1398c1e1aabf8c020db55e8dde2f20f1e8e965732e81eaf2d8a58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] f95a5c81d83868dd18ab8c1f00aa561251eed4a7fd3526b5167db9b2979edaba
[INFO] running `Command { std: "docker" "start" "-a" "f95a5c81d83868dd18ab8c1f00aa561251eed4a7fd3526b5167db9b2979edaba", kill_on_drop: false }`
[INFO] [stderr]    Compiling tool v0.1.0 (/opt/rustwide/workdir/tool)
[INFO] [stderr]    Compiling library v0.1.0 (/opt/rustwide/workdir/library)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "f95a5c81d83868dd18ab8c1f00aa561251eed4a7fd3526b5167db9b2979edaba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f95a5c81d83868dd18ab8c1f00aa561251eed4a7fd3526b5167db9b2979edaba", kill_on_drop: false }`
[INFO] [stdout] f95a5c81d83868dd18ab8c1f00aa561251eed4a7fd3526b5167db9b2979edaba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 9ec4b0f57a9351db87de4160ea0cced56ce45958646794ad1d2e81c9444aa7d4
[INFO] running `Command { std: "docker" "start" "-a" "9ec4b0f57a9351db87de4160ea0cced56ce45958646794ad1d2e81c9444aa7d4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/library-680560de08695077)
[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]      Running unittests (/opt/rustwide/target/debug/deps/tool-cf37fd5e6f3dc56c)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests library
[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" "9ec4b0f57a9351db87de4160ea0cced56ce45958646794ad1d2e81c9444aa7d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ec4b0f57a9351db87de4160ea0cced56ce45958646794ad1d2e81c9444aa7d4", kill_on_drop: false }`
[INFO] [stdout] 9ec4b0f57a9351db87de4160ea0cced56ce45958646794ad1d2e81c9444aa7d4