[INFO] fetching crate rbtag 0.3.0...
[INFO] testing rbtag-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rbtag 0.3.0 into /workspace/builds/worker-87/source
[INFO] validating manifest of crates.io crate rbtag 0.3.0 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 rbtag 0.3.0
[INFO] finished tweaking crates.io crate rbtag 0.3.0
[INFO] tweaked toml for crates.io crate rbtag 0.3.0 written to /workspace/builds/worker-87/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] 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-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] 4d3d4cffe4bd88f2fe1c8d5aacabf4e7ce81bc2c8ccc739665b0b2e8949af407
[INFO] running `Command { std: "docker" "start" "-a" "4d3d4cffe4bd88f2fe1c8d5aacabf4e7ce81bc2c8ccc739665b0b2e8949af407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d3d4cffe4bd88f2fe1c8d5aacabf4e7ce81bc2c8ccc739665b0b2e8949af407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d3d4cffe4bd88f2fe1c8d5aacabf4e7ce81bc2c8ccc739665b0b2e8949af407", kill_on_drop: false }`
[INFO] [stdout] 4d3d4cffe4bd88f2fe1c8d5aacabf4e7ce81bc2c8ccc739665b0b2e8949af407
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] 8a4e40f4c358b515208d63716fe23e110029cb7509efd291cef99bc19346003c
[INFO] running `Command { std: "docker" "start" "-a" "8a4e40f4c358b515208d63716fe23e110029cb7509efd291cef99bc19346003c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rbtag_derive v0.3.0
[INFO] [stderr]    Compiling rbtag v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.30s
[INFO] running `Command { std: "docker" "inspect" "8a4e40f4c358b515208d63716fe23e110029cb7509efd291cef99bc19346003c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a4e40f4c358b515208d63716fe23e110029cb7509efd291cef99bc19346003c", kill_on_drop: false }`
[INFO] [stdout] 8a4e40f4c358b515208d63716fe23e110029cb7509efd291cef99bc19346003c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] aa410ad3de6c156606f73f7dd1ff9dc038bc42ba213208476c699b12f08cfc69
[INFO] running `Command { std: "docker" "start" "-a" "aa410ad3de6c156606f73f7dd1ff9dc038bc42ba213208476c699b12f08cfc69", kill_on_drop: false }`
[INFO] [stderr]    Compiling rbtag v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "aa410ad3de6c156606f73f7dd1ff9dc038bc42ba213208476c699b12f08cfc69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa410ad3de6c156606f73f7dd1ff9dc038bc42ba213208476c699b12f08cfc69", kill_on_drop: false }`
[INFO] [stdout] aa410ad3de6c156606f73f7dd1ff9dc038bc42ba213208476c699b12f08cfc69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] 4f43501598f4b6d2135721e420aa58acc1d6e055151092692686d080251a4710
[INFO] running `Command { std: "docker" "start" "-a" "4f43501598f4b6d2135721e420aa58acc1d6e055151092692686d080251a4710", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rbtag-ab00c06ad2cb1721)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests rbtag
[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" "4f43501598f4b6d2135721e420aa58acc1d6e055151092692686d080251a4710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f43501598f4b6d2135721e420aa58acc1d6e055151092692686d080251a4710", kill_on_drop: false }`
[INFO] [stdout] 4f43501598f4b6d2135721e420aa58acc1d6e055151092692686d080251a4710