[INFO] crate nntp 0.0.5 is already in cache
[INFO] checking nntp-0.0.5 against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] extracting crate nntp 0.0.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate nntp 0.0.5 on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate nntp 0.0.5
[INFO] finished tweaking crates.io crate nntp 0.0.5
[INFO] tweaked toml for crates.io crate nntp 0.0.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTFLAGS=--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" "/opt/rustwide/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f3eeba43b95eb9ebcde122411023f9fe197aaeda27fab8cfceb1bd916d7f4f43
[INFO] running `"docker" "start" "-a" "f3eeba43b95eb9ebcde122411023f9fe197aaeda27fab8cfceb1bd916d7f4f43"`
[INFO] [stderr]     Checking nntp v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/nntp.rs:236:88
[INFO] [stderr]     |
[INFO] [stderr] 236 |                 let lines: Vec<NewsGroup> = lines.iter().map(|ref mut x| NewsGroup::new_news_group((*x))).collect();
[INFO] [stderr]     |                                                                                                    ^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/nntp.rs:236:88
[INFO] [stderr]     |
[INFO] [stderr] 236 |                 let lines: Vec<NewsGroup> = lines.iter().map(|ref mut x| NewsGroup::new_news_group((*x))).collect();
[INFO] [stderr]     |                                                                                                    ^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `"docker" "inspect" "f3eeba43b95eb9ebcde122411023f9fe197aaeda27fab8cfceb1bd916d7f4f43"`
[INFO] running `"docker" "rm" "-f" "f3eeba43b95eb9ebcde122411023f9fe197aaeda27fab8cfceb1bd916d7f4f43"`
[INFO] [stdout] f3eeba43b95eb9ebcde122411023f9fe197aaeda27fab8cfceb1bd916d7f4f43