[INFO] fetching crate nntp 0.0.5...
[INFO] checking nntp-0.0.5 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate nntp 0.0.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate nntp 0.0.5 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 179ae09c4af3ecb7438eac734d5133aec3e76c2c4ab982fe52ad579ebdd528c4
[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" "179ae09c4af3ecb7438eac734d5133aec3e76c2c4ab982fe52ad579ebdd528c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "179ae09c4af3ecb7438eac734d5133aec3e76c2c4ab982fe52ad579ebdd528c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "179ae09c4af3ecb7438eac734d5133aec3e76c2c4ab982fe52ad579ebdd528c4", kill_on_drop: false }`
[INFO] [stdout] 179ae09c4af3ecb7438eac734d5133aec3e76c2c4ab982fe52ad579ebdd528c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abe7540484ed3f56a4771c3d90812cd242343b3481e76c787867dd60500c3dd0
[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" "abe7540484ed3f56a4771c3d90812cd242343b3481e76c787867dd60500c3dd0", kill_on_drop: false }`
[INFO] [stderr]     Checking nntp v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/nntp.rs:236:88
[INFO] [stdout]     |
[INFO] [stdout] 236 |                 let lines: Vec<NewsGroup> = lines.iter().map(|ref mut x| NewsGroup::new_news_group((*x))).collect();
[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 function argument
[INFO] [stdout]    --> src/nntp.rs:236:88
[INFO] [stdout]     |
[INFO] [stdout] 236 |                 let lines: Vec<NewsGroup> = lines.iter().map(|ref mut x| NewsGroup::new_news_group((*x))).collect();
[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 0.66s
[INFO] running `Command { std: "docker" "inspect" "abe7540484ed3f56a4771c3d90812cd242343b3481e76c787867dd60500c3dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abe7540484ed3f56a4771c3d90812cd242343b3481e76c787867dd60500c3dd0", kill_on_drop: false }`
[INFO] [stdout] abe7540484ed3f56a4771c3d90812cd242343b3481e76c787867dd60500c3dd0