[INFO] cloning repository bon-chi/rust_who
[INFO] running `"git" "clone" "--bare" "git://github.com/bon-chi/rust_who.git" "work/cache/sources/gh/bon-chi/rust_who"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/bon-chi/rust_who'...
[INFO] running `"git" "clone" "work/cache/sources/gh/bon-chi/rust_who" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/bon-chi/rust_who"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/bon-chi/rust_who'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bon-chi/rust_who" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/bon-chi/rust_who"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bon-chi/rust_who on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-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-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing bon-chi/rust_who against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/bon-chi/rust_who:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] b628967b40fed9d33c0ef1325d1743c3c9c4bb903097595f7f42f287954b0b07
[INFO] running `"docker" "start" "-a" "b628967b40fed9d33c0ef1325d1743c3c9c4bb903097595f7f42f287954b0b07"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "b628967b40fed9d33c0ef1325d1743c3c9c4bb903097595f7f42f287954b0b07"`
[INFO] running `"docker" "rm" "-f" "b628967b40fed9d33c0ef1325d1743c3c9c4bb903097595f7f42f287954b0b07"`
[INFO] [stdout] b628967b40fed9d33c0ef1325d1743c3c9c4bb903097595f7f42f287954b0b07
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/bon-chi/rust_who:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 01056dc4874860722032ff3cbe672422dc8ae17f7a02826217f28f9fbca35a9a
[INFO] running `"docker" "start" "-a" "01056dc4874860722032ff3cbe672422dc8ae17f7a02826217f28f9fbca35a9a"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "01056dc4874860722032ff3cbe672422dc8ae17f7a02826217f28f9fbca35a9a"`
[INFO] running `"docker" "rm" "-f" "01056dc4874860722032ff3cbe672422dc8ae17f7a02826217f28f9fbca35a9a"`
[INFO] [stdout] 01056dc4874860722032ff3cbe672422dc8ae17f7a02826217f28f9fbca35a9a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/bon-chi/rust_who:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 4c9d986c41347eea615d9029492798952c593af3cabf1a0cfe62f5c9590d1876
[INFO] running `"docker" "start" "-a" "4c9d986c41347eea615d9029492798952c593af3cabf1a0cfe62f5c9590d1876"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_who-4cb4e2d641a9af44
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4c9d986c41347eea615d9029492798952c593af3cabf1a0cfe62f5c9590d1876"`
[INFO] running `"docker" "rm" "-f" "4c9d986c41347eea615d9029492798952c593af3cabf1a0cfe62f5c9590d1876"`
[INFO] [stdout] 4c9d986c41347eea615d9029492798952c593af3cabf1a0cfe62f5c9590d1876