[INFO] fetching crate language-reporting 0.4.0...
[INFO] testing language-reporting-0.4.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate language-reporting 0.4.0 into /workspace/builds/worker-67/source
[INFO] validating manifest of crates.io crate language-reporting 0.4.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-67/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a23ca7d0889fec7ffab7ac0492b36c70e6605c6841bae6750a707614553e3fbe
[INFO] running `Command { std: "docker" "start" "-a" "a23ca7d0889fec7ffab7ac0492b36c70e6605c6841bae6750a707614553e3fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a23ca7d0889fec7ffab7ac0492b36c70e6605c6841bae6750a707614553e3fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a23ca7d0889fec7ffab7ac0492b36c70e6605c6841bae6750a707614553e3fbe", kill_on_drop: false }`
[INFO] [stdout] a23ca7d0889fec7ffab7ac0492b36c70e6605c6841bae6750a707614553e3fbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c28a47f999af611d3f465a4c889748b469569f16503b04a9cf24bbd22b547cb8
[INFO] running `Command { std: "docker" "start" "-a" "c28a47f999af611d3f465a4c889748b469569f16503b04a9cf24bbd22b547cb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[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 serde_derive v1.0.94
[INFO] [stderr]    Compiling derive-new v0.5.6
[INFO] [stderr]    Compiling language-reporting v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.30s
[INFO] running `Command { std: "docker" "inspect" "c28a47f999af611d3f465a4c889748b469569f16503b04a9cf24bbd22b547cb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c28a47f999af611d3f465a4c889748b469569f16503b04a9cf24bbd22b547cb8", kill_on_drop: false }`
[INFO] [stdout] c28a47f999af611d3f465a4c889748b469569f16503b04a9cf24bbd22b547cb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9acf0a9d7911f5beee2dfb6a6aacaf243b49f380b541e5ebe605753b98bb84c4
[INFO] running `Command { std: "docker" "start" "-a" "9acf0a9d7911f5beee2dfb6a6aacaf243b49f380b541e5ebe605753b98bb84c4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 num-integer v0.1.39
[INFO] [stderr]    Compiling lazy_static v1.0.2
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling strsim v0.7.0
[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 term v0.5.1
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling structopt-derive v0.2.13
[INFO] [stderr]    Compiling clap v2.32.0
[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 8.96s
[INFO] running `Command { std: "docker" "inspect" "9acf0a9d7911f5beee2dfb6a6aacaf243b49f380b541e5ebe605753b98bb84c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9acf0a9d7911f5beee2dfb6a6aacaf243b49f380b541e5ebe605753b98bb84c4", kill_on_drop: false }`
[INFO] [stdout] 9acf0a9d7911f5beee2dfb6a6aacaf243b49f380b541e5ebe605753b98bb84c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c37c3065a1ccaa7dc32f494bfff783d9f0f7896464aab684ee819b954b1a08b4
[INFO] running `Command { std: "docker" "start" "-a" "c37c3065a1ccaa7dc32f494bfff783d9f0f7896464aab684ee819b954b1a08b4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/language_reporting-1206c8cf445ca29d)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test emitter::default_emit_smoke_tests::test_no_color ... ok
[INFO] [stderr]    Doc-tests language-reporting
[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] [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 1.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c37c3065a1ccaa7dc32f494bfff783d9f0f7896464aab684ee819b954b1a08b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c37c3065a1ccaa7dc32f494bfff783d9f0f7896464aab684ee819b954b1a08b4", kill_on_drop: false }`
[INFO] [stdout] c37c3065a1ccaa7dc32f494bfff783d9f0f7896464aab684ee819b954b1a08b4