[INFO] cloning repository https://github.com/bon-chi/rust_who
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bon-chi/rust_who" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbon-chi%2Frust_who", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbon-chi%2Frust_who'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d42e972b609c268e8e8b8da9d8d90b887c8719da
[INFO] checking bon-chi/rust_who against try#86f78589b09557f70c9db3f56ad1921e0a9f76ef for pr-138438
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbon-chi%2Frust_who" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bon-chi/rust_who on toolchain 86f78589b09557f70c9db3f56ad1921e0a9f76ef
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+86f78589b09557f70c9db3f56ad1921e0a9f76ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bon-chi/rust_who
[INFO] finished tweaking git repo https://github.com/bon-chi/rust_who
[INFO] tweaked toml for git repo https://github.com/bon-chi/rust_who written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/bon-chi/rust_who already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+86f78589b09557f70c9db3f56ad1921e0a9f76ef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+86f78589b09557f70c9db3f56ad1921e0a9f76ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5aed947782601201cd5fc47f0edc20414a2af2f7b04237cf1779112cb6a3fb02
[INFO] running `Command { std: "docker" "start" "-a" "5aed947782601201cd5fc47f0edc20414a2af2f7b04237cf1779112cb6a3fb02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5aed947782601201cd5fc47f0edc20414a2af2f7b04237cf1779112cb6a3fb02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aed947782601201cd5fc47f0edc20414a2af2f7b04237cf1779112cb6a3fb02", kill_on_drop: false }`
[INFO] [stdout] 5aed947782601201cd5fc47f0edc20414a2af2f7b04237cf1779112cb6a3fb02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+86f78589b09557f70c9db3f56ad1921e0a9f76ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 288304d624acf90cede6a6a39d5ddadae3e1e1cc258fb93627947d0222d9dba0
[INFO] running `Command { std: "docker" "start" "-a" "288304d624acf90cede6a6a39d5ddadae3e1e1cc258fb93627947d0222d9dba0", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking libc v0.2.19
[INFO] [stderr]     Checking rust_who v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/main.rs:82:30
[INFO] [stdout]    |
[INFO] [stdout] 82 |            String::from_utf8((utmp_struct.ut_user.iter().map(|&x| x as u8).collect())).unwrap());
[INFO] [stdout]    |                              ^                                                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 82 -            String::from_utf8((utmp_struct.ut_user.iter().map(|&x| x as u8).collect())).unwrap());
[INFO] [stdout] 82 +            String::from_utf8(utmp_struct.ut_user.iter().map(|&x| x as u8).collect()).unwrap());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/main.rs:84:30
[INFO] [stdout]    |
[INFO] [stdout] 84 |            String::from_utf8((utmp_struct.ut_line.iter().map(|&x| x as u8).collect())).unwrap());
[INFO] [stdout]    |                              ^                                                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 84 -            String::from_utf8((utmp_struct.ut_line.iter().map(|&x| x as u8).collect())).unwrap());
[INFO] [stdout] 84 +            String::from_utf8(utmp_struct.ut_line.iter().map(|&x| x as u8).collect()).unwrap());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/main.rs:87:30
[INFO] [stdout]    |
[INFO] [stdout] 87 |            String::from_utf8((utmp_struct.ut_host.iter().map(|&x| x as u8).collect())).unwrap());
[INFO] [stdout]    |                              ^                                                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 87 -            String::from_utf8((utmp_struct.ut_host.iter().map(|&x| x as u8).collect())).unwrap());
[INFO] [stdout] 87 +            String::from_utf8(utmp_struct.ut_host.iter().map(|&x| x as u8).collect()).unwrap());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/main.rs:82:30
[INFO] [stdout]    |
[INFO] [stdout] 82 |            String::from_utf8((utmp_struct.ut_user.iter().map(|&x| x as u8).collect())).unwrap());
[INFO] [stdout]    |                              ^                                                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 82 -            String::from_utf8((utmp_struct.ut_user.iter().map(|&x| x as u8).collect())).unwrap());
[INFO] [stdout] 82 +            String::from_utf8(utmp_struct.ut_user.iter().map(|&x| x as u8).collect()).unwrap());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/main.rs:84:30
[INFO] [stdout]    |
[INFO] [stdout] 84 |            String::from_utf8((utmp_struct.ut_line.iter().map(|&x| x as u8).collect())).unwrap());
[INFO] [stdout]    |                              ^                                                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 84 -            String::from_utf8((utmp_struct.ut_line.iter().map(|&x| x as u8).collect())).unwrap());
[INFO] [stdout] 84 +            String::from_utf8(utmp_struct.ut_line.iter().map(|&x| x as u8).collect()).unwrap());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/main.rs:87:30
[INFO] [stdout]    |
[INFO] [stdout] 87 |            String::from_utf8((utmp_struct.ut_host.iter().map(|&x| x as u8).collect())).unwrap());
[INFO] [stdout]    |                              ^                                                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 87 -            String::from_utf8((utmp_struct.ut_host.iter().map(|&x| x as u8).collect())).unwrap());
[INFO] [stdout] 87 +            String::from_utf8(utmp_struct.ut_host.iter().map(|&x| x as u8).collect()).unwrap());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "288304d624acf90cede6a6a39d5ddadae3e1e1cc258fb93627947d0222d9dba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "288304d624acf90cede6a6a39d5ddadae3e1e1cc258fb93627947d0222d9dba0", kill_on_drop: false }`
[INFO] [stdout] 288304d624acf90cede6a6a39d5ddadae3e1e1cc258fb93627947d0222d9dba0