[INFO] fetching crate language-reporting 0.4.0...
[INFO] testing language-reporting-0.4.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate language-reporting 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate language-reporting 0.4.0 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 language-reporting 0.4.0
[INFO] finished tweaking crates.io crate language-reporting 0.4.0
[INFO] tweaked toml for crates.io crate language-reporting 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate language-reporting 0.4.0 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0b88d0ff95408e4a99b5c7da72172b8178c1c2a420c0320f5edd147748acac7b
[INFO] running `Command { std: "docker" "start" "-a" "0b88d0ff95408e4a99b5c7da72172b8178c1c2a420c0320f5edd147748acac7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b88d0ff95408e4a99b5c7da72172b8178c1c2a420c0320f5edd147748acac7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b88d0ff95408e4a99b5c7da72172b8178c1c2a420c0320f5edd147748acac7b", kill_on_drop: false }`
[INFO] [stdout] 0b88d0ff95408e4a99b5c7da72172b8178c1c2a420c0320f5edd147748acac7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2941e8baabfbe73ab25c2f1967643d695cee5120b00cbfa9aa869bc171406b88
[INFO] running `Command { std: "docker" "start" "-a" "2941e8baabfbe73ab25c2f1967643d695cee5120b00cbfa9aa869bc171406b88", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]    Compiling render-tree v0.1.1
[INFO] [stderr]    Compiling derive-new v0.5.6
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling language-reporting v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.26s
[INFO] running `Command { std: "docker" "inspect" "2941e8baabfbe73ab25c2f1967643d695cee5120b00cbfa9aa869bc171406b88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2941e8baabfbe73ab25c2f1967643d695cee5120b00cbfa9aa869bc171406b88", kill_on_drop: false }`
[INFO] [stdout] 2941e8baabfbe73ab25c2f1967643d695cee5120b00cbfa9aa869bc171406b88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] b6387147f93cf4a56ad1cd47aed21d8a05de6d92a682ae0f28bbf14dd7f5107e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b6387147f93cf4a56ad1cd47aed21d8a05de6d92a682ae0f28bbf14dd7f5107e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.0.2
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling byteorder v1.2.4
[INFO] [stderr]    Compiling unindent v0.1.3
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling structopt-derive v0.2.13
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling structopt v0.2.13
[INFO] [stderr]    Compiling env_logger v0.5.11
[INFO] [stderr]    Compiling pretty_env_logger v0.2.5
[INFO] [stderr]    Compiling language-reporting v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.95s
[INFO] running `Command { std: "docker" "inspect" "b6387147f93cf4a56ad1cd47aed21d8a05de6d92a682ae0f28bbf14dd7f5107e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6387147f93cf4a56ad1cd47aed21d8a05de6d92a682ae0f28bbf14dd7f5107e", kill_on_drop: false }`
[INFO] [stdout] b6387147f93cf4a56ad1cd47aed21d8a05de6d92a682ae0f28bbf14dd7f5107e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] aa69b1f3786306dfc5326540393c61e93fb1859a1b50a595d4539673c48d617b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "aa69b1f3786306dfc5326540393c61e93fb1859a1b50a595d4539673c48d617b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/language_reporting-aaa9f3ec7065920a)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test emitter::default_emit_smoke_tests::test_no_color ... ok
[INFO] [stdout] test emitter::default_emit_smoke_tests::test_color ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests language-reporting
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Severity (line 45) ... ok
[INFO] [stdout] test src/lib.rs - ColorArg (line 111) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aa69b1f3786306dfc5326540393c61e93fb1859a1b50a595d4539673c48d617b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa69b1f3786306dfc5326540393c61e93fb1859a1b50a595d4539673c48d617b", kill_on_drop: false }`
[INFO] [stdout] aa69b1f3786306dfc5326540393c61e93fb1859a1b50a595d4539673c48d617b