[INFO] fetching crate mrt_parser 0.5.0...
[INFO] testing mrt_parser-0.5.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mrt_parser 0.5.0 into /workspace/builds/worker-88/source
[INFO] validating manifest of crates.io crate mrt_parser 0.5.0 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 mrt_parser 0.5.0
[INFO] finished tweaking crates.io crate mrt_parser 0.5.0
[INFO] tweaked toml for crates.io crate mrt_parser 0.5.0 written to /workspace/builds/worker-88/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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ip_network v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] bc082ab9cb2d9647bd98de457055b8cb43773b37af3753cab7c487e5bb1fed3a
[INFO] running `Command { std: "docker" "start" "-a" "bc082ab9cb2d9647bd98de457055b8cb43773b37af3753cab7c487e5bb1fed3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc082ab9cb2d9647bd98de457055b8cb43773b37af3753cab7c487e5bb1fed3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc082ab9cb2d9647bd98de457055b8cb43773b37af3753cab7c487e5bb1fed3a", kill_on_drop: false }`
[INFO] [stdout] bc082ab9cb2d9647bd98de457055b8cb43773b37af3753cab7c487e5bb1fed3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 72417a0cde96c56d92e4729633269432da122d57e849216b779874def6575af0
[INFO] running `Command { std: "docker" "start" "-a" "72417a0cde96c56d92e4729633269432da122d57e849216b779874def6575af0", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling ip_network v0.4.0
[INFO] [stderr]    Compiling mrt_parser v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "72417a0cde96c56d92e4729633269432da122d57e849216b779874def6575af0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72417a0cde96c56d92e4729633269432da122d57e849216b779874def6575af0", kill_on_drop: false }`
[INFO] [stdout] 72417a0cde96c56d92e4729633269432da122d57e849216b779874def6575af0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 4396e9ad0bf48aecb02ca5620587729ec908ccae376e70773aea040acbe99dd5
[INFO] running `Command { std: "docker" "start" "-a" "4396e9ad0bf48aecb02ca5620587729ec908ccae376e70773aea040acbe99dd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling mrt_parser v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "4396e9ad0bf48aecb02ca5620587729ec908ccae376e70773aea040acbe99dd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4396e9ad0bf48aecb02ca5620587729ec908ccae376e70773aea040acbe99dd5", kill_on_drop: false }`
[INFO] [stdout] 4396e9ad0bf48aecb02ca5620587729ec908ccae376e70773aea040acbe99dd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 394e9aa41a61223b0403b8f64a798d4e0a1cac296124db3b65c669688d3babc5
[INFO] running `Command { std: "docker" "start" "-a" "394e9aa41a61223b0403b8f64a798d4e0a1cac296124db3b65c669688d3babc5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mrt_parser-d5978001e60326cd)
[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] [stderr]    Doc-tests mrt_parser
[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" "394e9aa41a61223b0403b8f64a798d4e0a1cac296124db3b65c669688d3babc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "394e9aa41a61223b0403b8f64a798d4e0a1cac296124db3b65c669688d3babc5", kill_on_drop: false }`
[INFO] [stdout] 394e9aa41a61223b0403b8f64a798d4e0a1cac296124db3b65c669688d3babc5