[INFO] cloning repository https://github.com/antweiss/cargo-commentratio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/antweiss/cargo-commentratio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantweiss%2Fcargo-commentratio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantweiss%2Fcargo-commentratio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a526a4aac369ccc8910233242768094991d04cfd
[INFO] checking antweiss/cargo-commentratio against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantweiss%2Fcargo-commentratio" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/antweiss/cargo-commentratio on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/antweiss/cargo-commentratio
[INFO] finished tweaking git repo https://github.com/antweiss/cargo-commentratio
[INFO] tweaked toml for git repo https://github.com/antweiss/cargo-commentratio written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/antweiss/cargo-commentratio already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quicli v0.3.1
[INFO] [stderr]   Downloaded ignore v0.4.4
[INFO] [stderr]   Downloaded dialoguer v0.1.0
[INFO] [stderr]   Downloaded console v0.7.0
[INFO] [stderr]   Downloaded clicolors-control v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 971cc6ad1f4154b96ecf342bb8d8764ba9b5e1a7b78f6b3da2abdb29d4cebaed
[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" "971cc6ad1f4154b96ecf342bb8d8764ba9b5e1a7b78f6b3da2abdb29d4cebaed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "971cc6ad1f4154b96ecf342bb8d8764ba9b5e1a7b78f6b3da2abdb29d4cebaed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "971cc6ad1f4154b96ecf342bb8d8764ba9b5e1a7b78f6b3da2abdb29d4cebaed", kill_on_drop: false }`
[INFO] [stdout] 971cc6ad1f4154b96ecf342bb8d8764ba9b5e1a7b78f6b3da2abdb29d4cebaed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b7696e5ce6091f72540bc469b0d53b23d692a0525c99af75fede6fcd2aa51a9
[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" "7b7696e5ce6091f72540bc469b0d53b23d692a0525c99af75fede6fcd2aa51a9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking cfg-if v0.1.6
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[INFO] [stderr]     Checking ucd-util v0.1.3
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[INFO] [stderr]    Compiling cc v1.0.25
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[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
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[INFO] [stderr]    Compiling proc-macro2 v0.4.24
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[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_xorshift v0.1.0
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[INFO] [stderr]     Checking clicolors-control v0.3.0
[INFO] [stderr]     Checking clicolors-control v0.2.0
[INFO] [stderr]    Compiling memchr v2.1.1
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[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]    Compiling syn v0.15.22
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[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand v0.6.1
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[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking regex v0.2.11
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[INFO] [stderr]     Checking ignore v0.4.4
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling structopt-derive v0.2.13
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking structopt v0.2.13
[INFO] [stderr]     Checking clap-verbosity-flag v0.1.0
[INFO] [stderr]     Checking quicli v0.3.1
[INFO] [stderr]     Checking cargo-commentratio v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/calculate.rs:8:70
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn calculate(project_dir: &PathBuf, pbar: ProgressBar) -> Result<(f32)> {
[INFO] [stdout]   |                                                                      ^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/calculate.rs:8:70
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn calculate(project_dir: &PathBuf, pbar: ProgressBar) -> Result<(f32)> {
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "7b7696e5ce6091f72540bc469b0d53b23d692a0525c99af75fede6fcd2aa51a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b7696e5ce6091f72540bc469b0d53b23d692a0525c99af75fede6fcd2aa51a9", kill_on_drop: false }`
[INFO] [stdout] 7b7696e5ce6091f72540bc469b0d53b23d692a0525c99af75fede6fcd2aa51a9