[INFO] fetching crate tag-helper 0.4.1...
[INFO] testing tag-helper-0.4.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate tag-helper 0.4.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate tag-helper 0.4.1 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 tag-helper 0.4.1
[INFO] finished tweaking crates.io crate tag-helper 0.4.1
[INFO] tweaked toml for crates.io crate tag-helper 0.4.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate tag-helper 0.4.1 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] 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] 4bc3c8e751bc66f08cef764edaa68f0bfa45a711199e6e5d9d37d54173330cd5
[INFO] running `Command { std: "docker" "start" "-a" "4bc3c8e751bc66f08cef764edaa68f0bfa45a711199e6e5d9d37d54173330cd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bc3c8e751bc66f08cef764edaa68f0bfa45a711199e6e5d9d37d54173330cd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc3c8e751bc66f08cef764edaa68f0bfa45a711199e6e5d9d37d54173330cd5", kill_on_drop: false }`
[INFO] [stdout] 4bc3c8e751bc66f08cef764edaa68f0bfa45a711199e6e5d9d37d54173330cd5
[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] a4ad3c6a7e211ad77a33e986ad7d843211ecfc4c2473d986e035a1cc0748a657
[INFO] running `Command { std: "docker" "start" "-a" "a4ad3c6a7e211ad77a33e986ad7d843211ecfc4c2473d986e035a1cc0748a657", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling libgit2-sys v0.12.21+1.1.0
[INFO] [stderr]    Compiling structopt v0.3.22
[INFO] [stderr]    Compiling git2 v0.13.20
[INFO] [stderr]    Compiling tag-helper v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.70s
[INFO] running `Command { std: "docker" "inspect" "a4ad3c6a7e211ad77a33e986ad7d843211ecfc4c2473d986e035a1cc0748a657", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4ad3c6a7e211ad77a33e986ad7d843211ecfc4c2473d986e035a1cc0748a657", kill_on_drop: false }`
[INFO] [stdout] a4ad3c6a7e211ad77a33e986ad7d843211ecfc4c2473d986e035a1cc0748a657
[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] 17bcc8d0df0095a49b1721a223da31df7f3c97741bace42cb8bbe885d5178773
[INFO] running `Command { std: "docker" "start" "-a" "17bcc8d0df0095a49b1721a223da31df7f3c97741bace42cb8bbe885d5178773", kill_on_drop: false }`
[INFO] [stderr]    Compiling tag-helper v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "17bcc8d0df0095a49b1721a223da31df7f3c97741bace42cb8bbe885d5178773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17bcc8d0df0095a49b1721a223da31df7f3c97741bace42cb8bbe885d5178773", kill_on_drop: false }`
[INFO] [stdout] 17bcc8d0df0095a49b1721a223da31df7f3c97741bace42cb8bbe885d5178773
[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] 9501a963d1e5b8f3b5676167a22b804b00d3d2edad4f79da4102410c4dd7f58a
[INFO] running `Command { std: "docker" "start" "-a" "9501a963d1e5b8f3b5676167a22b804b00d3d2edad4f79da4102410c4dd7f58a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tag_helper-40a500c3a4ed6a45)
[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" "9501a963d1e5b8f3b5676167a22b804b00d3d2edad4f79da4102410c4dd7f58a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9501a963d1e5b8f3b5676167a22b804b00d3d2edad4f79da4102410c4dd7f58a", kill_on_drop: false }`
[INFO] [stdout] 9501a963d1e5b8f3b5676167a22b804b00d3d2edad4f79da4102410c4dd7f58a