[INFO] cloning repository https://github.com/wycats/language-reporting
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wycats/language-reporting" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwycats%2Flanguage-reporting", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwycats%2Flanguage-reporting'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9886d61539144360e7d6d14b55d8847c05f751cf
[INFO] checking wycats/language-reporting against master#e4106065bf1bb515935d5d024e8d9c86454e2b22 for pr-112160
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwycats%2Flanguage-reporting" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wycats/language-reporting on toolchain e4106065bf1bb515935d5d024e8d9c86454e2b22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wycats/language-reporting
[INFO] finished tweaking git repo https://github.com/wycats/language-reporting
[INFO] tweaked toml for git repo https://github.com/wycats/language-reporting written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/wycats/language-reporting already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bf623144d8875857302666762d82666ad3d8b7a309d3507aeeefcb9d75b8e59
[INFO] running `Command { std: "docker" "start" "-a" "6bf623144d8875857302666762d82666ad3d8b7a309d3507aeeefcb9d75b8e59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bf623144d8875857302666762d82666ad3d8b7a309d3507aeeefcb9d75b8e59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bf623144d8875857302666762d82666ad3d8b7a309d3507aeeefcb9d75b8e59", kill_on_drop: false }`
[INFO] [stdout] 6bf623144d8875857302666762d82666ad3d8b7a309d3507aeeefcb9d75b8e59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26d6ed635f064b80e8a852f039ce1f3f3e95fe7fee10f8fbd768711a8e109de1
[INFO] running `Command { std: "docker" "start" "-a" "26d6ed635f064b80e8a852f039ce1f3f3e95fe7fee10f8fbd768711a8e109de1", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking lazy_static v1.0.2
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking byteorder v1.2.4
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking unindent v0.1.3
[INFO] [stderr]     Checking render-tree v0.1.1 (/opt/rustwide/workdir/crates/render-tree)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> crates/render-tree/src/stylesheet/accumulator.rs:101:10
[INFO] [stdout]     |
[INFO] [stdout] 101 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling structopt-derive v0.2.13
[INFO] [stderr]    Compiling derive-new v0.5.6
[INFO] [stderr]     Checking env_logger v0.5.11
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> crates/render-tree/src/stylesheet/accumulator.rs:101:10
[INFO] [stdout]     |
[INFO] [stdout] 101 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking structopt v0.2.13
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking language-reporting v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.09s
[INFO] running `Command { std: "docker" "inspect" "26d6ed635f064b80e8a852f039ce1f3f3e95fe7fee10f8fbd768711a8e109de1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26d6ed635f064b80e8a852f039ce1f3f3e95fe7fee10f8fbd768711a8e109de1", kill_on_drop: false }`
[INFO] [stdout] 26d6ed635f064b80e8a852f039ce1f3f3e95fe7fee10f8fbd768711a8e109de1