[INFO] updating cached repository https://github.com/yaowenqiang/grrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2430229592aa3cdc6ee94ec736e47ce1aff4f3db
[INFO] documenting yaowenqiang/grrs against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaowenqiang%2Fgrrs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yaowenqiang/grrs on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yaowenqiang/grrs
[INFO] finished tweaking git repo https://github.com/yaowenqiang/grrs
[INFO] tweaked toml for git repo https://github.com/yaowenqiang/grrs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/yaowenqiang/grrs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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] 152be2971f65d07957e81e518a7d83ba57edf2c610fee1fa774a2fc16f0ba56a
[INFO] running `Command { std: "docker" "start" "-a" "152be2971f65d07957e81e518a7d83ba57edf2c610fee1fa774a2fc16f0ba56a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "152be2971f65d07957e81e518a7d83ba57edf2c610fee1fa774a2fc16f0ba56a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "152be2971f65d07957e81e518a7d83ba57edf2c610fee1fa774a2fc16f0ba56a", kill_on_drop: false }`
[INFO] [stdout] 152be2971f65d07957e81e518a7d83ba57edf2c610fee1fa774a2fc16f0ba56a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42e13c75e2cab2a250316d41c9c83e1d0261a2cc88a17548884f52c8ac60c996
[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" "42e13c75e2cab2a250316d41c9c83e1d0261a2cc88a17548884f52c8ac60c996", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]     Checking arc-swap v0.4.5
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking os_type v2.2.0
[INFO] [stderr]     Checking console v0.10.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking indicatif v0.14.0
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking ctrlc v3.1.4
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking confy v0.4.0
[INFO] [stderr]     Checking human-panic v1.0.3
[INFO] [stderr]  Documenting grrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:81:10
[INFO] [stdout]    |
[INFO] [stdout] 81 |        if(line.contains(&args.pattern))  {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.13s
[INFO] running `Command { std: "docker" "inspect" "42e13c75e2cab2a250316d41c9c83e1d0261a2cc88a17548884f52c8ac60c996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42e13c75e2cab2a250316d41c9c83e1d0261a2cc88a17548884f52c8ac60c996", kill_on_drop: false }`
[INFO] [stdout] 42e13c75e2cab2a250316d41c9c83e1d0261a2cc88a17548884f52c8ac60c996