[INFO] fetching crate reg 0.0.0...
[INFO] testing reg-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate reg 0.0.0 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate reg 0.0.0 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 reg 0.0.0
[INFO] finished tweaking crates.io crate reg 0.0.0
[INFO] tweaked toml for crates.io crate reg 0.0.0 written to /workspace/builds/worker-56/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] a8074ee86a0d43f536c70bc5f13f8c1a9e98e1f9cf7f5d9713c16c4ccf7ec8e9
[INFO] running `Command { std: "docker" "start" "-a" "a8074ee86a0d43f536c70bc5f13f8c1a9e98e1f9cf7f5d9713c16c4ccf7ec8e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8074ee86a0d43f536c70bc5f13f8c1a9e98e1f9cf7f5d9713c16c4ccf7ec8e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8074ee86a0d43f536c70bc5f13f8c1a9e98e1f9cf7f5d9713c16c4ccf7ec8e9", kill_on_drop: false }`
[INFO] [stdout] a8074ee86a0d43f536c70bc5f13f8c1a9e98e1f9cf7f5d9713c16c4ccf7ec8e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 204a94f234ac4fa94f13ee6944e25a49d2536dc5a992898f0fbfffc70b94d363
[INFO] running `Command { std: "docker" "start" "-a" "204a94f234ac4fa94f13ee6944e25a49d2536dc5a992898f0fbfffc70b94d363", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling reg v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "204a94f234ac4fa94f13ee6944e25a49d2536dc5a992898f0fbfffc70b94d363", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "204a94f234ac4fa94f13ee6944e25a49d2536dc5a992898f0fbfffc70b94d363", kill_on_drop: false }`
[INFO] [stdout] 204a94f234ac4fa94f13ee6944e25a49d2536dc5a992898f0fbfffc70b94d363
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 0e5222c3417a9d5a135e8184e5570946ce70ba30ca943229895458aacb157276
[INFO] running `Command { std: "docker" "start" "-a" "0e5222c3417a9d5a135e8184e5570946ce70ba30ca943229895458aacb157276", kill_on_drop: false }`
[INFO] [stderr]    Compiling reg v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "0e5222c3417a9d5a135e8184e5570946ce70ba30ca943229895458aacb157276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e5222c3417a9d5a135e8184e5570946ce70ba30ca943229895458aacb157276", kill_on_drop: false }`
[INFO] [stdout] 0e5222c3417a9d5a135e8184e5570946ce70ba30ca943229895458aacb157276
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 255f2e5531c2a91af6e7df6656643e10699dd245514ede70179011f2c5def848
[INFO] running `Command { std: "docker" "start" "-a" "255f2e5531c2a91af6e7df6656643e10699dd245514ede70179011f2c5def848", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/reg-5226a1cada1d614c)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests reg
[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" "255f2e5531c2a91af6e7df6656643e10699dd245514ede70179011f2c5def848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "255f2e5531c2a91af6e7df6656643e10699dd245514ede70179011f2c5def848", kill_on_drop: false }`
[INFO] [stdout] 255f2e5531c2a91af6e7df6656643e10699dd245514ede70179011f2c5def848