[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 try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwycats%2Flanguage-reporting" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wycats/language-reporting on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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-1/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: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt v0.2.13
[INFO] [stderr]   Downloaded structopt-derive v0.2.13
[INFO] [stderr]   Downloaded pretty_env_logger v0.2.5
[INFO] [stderr]   Downloaded env_logger v0.5.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b815d9b380331736aa6f5cab1c16e61ec82860dc5635859efc223be14d67eb55
[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" "b815d9b380331736aa6f5cab1c16e61ec82860dc5635859efc223be14d67eb55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b815d9b380331736aa6f5cab1c16e61ec82860dc5635859efc223be14d67eb55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b815d9b380331736aa6f5cab1c16e61ec82860dc5635859efc223be14d67eb55", kill_on_drop: false }`
[INFO] [stdout] b815d9b380331736aa6f5cab1c16e61ec82860dc5635859efc223be14d67eb55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c59bb5affa1a62c8968b852e71127f3340384515ca0d679f603b83b85db2cf5
[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" "5c59bb5affa1a62c8968b852e71127f3340384515ca0d679f603b83b85db2cf5", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking cfg-if v0.1.6
[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]    Compiling regex v1.0.5
[INFO] [stderr]     Checking lazy_static v1.0.2
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.5
[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 unindent v0.1.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]     Checking clap v2.32.0
[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] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling derive-new v0.5.6
[INFO] [stderr]    Compiling structopt-derive v0.2.13
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking structopt v0.2.13
[INFO] [stderr]     Checking language-reporting v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.84s
[INFO] running `Command { std: "docker" "inspect" "5c59bb5affa1a62c8968b852e71127f3340384515ca0d679f603b83b85db2cf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c59bb5affa1a62c8968b852e71127f3340384515ca0d679f603b83b85db2cf5", kill_on_drop: false }`
[INFO] [stdout] 5c59bb5affa1a62c8968b852e71127f3340384515ca0d679f603b83b85db2cf5