[INFO] updating cached repository bon-chi/rust_who [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/bon-chi/rust_who [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/bon-chi/rust_who" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/bon-chi/rust_who"` [INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/bon-chi/rust_who'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/bon-chi/rust_who" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/bon-chi/rust_who"` [INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/bon-chi/rust_who'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d42e972b609c268e8e8b8da9d8d90b887c8719da [INFO] sha for GitHub repo bon-chi/rust_who: d42e972b609c268e8e8b8da9d8d90b887c8719da [INFO] validating manifest of bon-chi/rust_who on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of bon-chi/rust_who on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing bon-chi/rust_who [INFO] finished frobbing bon-chi/rust_who [INFO] frobbed toml for bon-chi/rust_who written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/bon-chi/rust_who/Cargo.toml [INFO] started frobbing bon-chi/rust_who [INFO] finished frobbing bon-chi/rust_who [INFO] frobbed toml for bon-chi/rust_who written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/bon-chi/rust_who/Cargo.toml [INFO] crate bon-chi/rust_who already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking bon-chi/rust_who against master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 for pr-61100 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-4/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/bon-chi/rust_who:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] ba73e15a638d28c8a60acba4a6d730e9afec2dd2f4bab2271068ce4dc3bd68d8 [INFO] running `"docker" "start" "-a" "ba73e15a638d28c8a60acba4a6d730e9afec2dd2f4bab2271068ce4dc3bd68d8"` [INFO] [stderr] Checking rust_who v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/main.rs:82:30 [INFO] [stderr] | [INFO] [stderr] 82 | String::from_utf8((utmp_struct.ut_user.iter().map(|&x| x as u8).collect())).unwrap()); [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/main.rs:84:30 [INFO] [stderr] | [INFO] [stderr] 84 | String::from_utf8((utmp_struct.ut_line.iter().map(|&x| x as u8).collect())).unwrap()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/main.rs:87:30 [INFO] [stderr] | [INFO] [stderr] 87 | String::from_utf8((utmp_struct.ut_host.iter().map(|&x| x as u8).collect())).unwrap()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/main.rs:82:30 [INFO] [stderr] | [INFO] [stderr] 82 | String::from_utf8((utmp_struct.ut_user.iter().map(|&x| x as u8).collect())).unwrap()); [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/main.rs:84:30 [INFO] [stderr] | [INFO] [stderr] 84 | String::from_utf8((utmp_struct.ut_line.iter().map(|&x| x as u8).collect())).unwrap()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/main.rs:87:30 [INFO] [stderr] | [INFO] [stderr] 87 | String::from_utf8((utmp_struct.ut_host.iter().map(|&x| x as u8).collect())).unwrap()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.52s [INFO] running `"docker" "inspect" "ba73e15a638d28c8a60acba4a6d730e9afec2dd2f4bab2271068ce4dc3bd68d8"` [INFO] running `"docker" "rm" "-f" "ba73e15a638d28c8a60acba4a6d730e9afec2dd2f4bab2271068ce4dc3bd68d8"` [INFO] [stdout] ba73e15a638d28c8a60acba4a6d730e9afec2dd2f4bab2271068ce4dc3bd68d8