[INFO] cloning repository https://github.com/lesguillemets/rsw
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lesguillemets/rsw" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flesguillemets%2Frsw"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flesguillemets%2Frsw'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fccfbb7f2cc5a9a64345f52ab2e3e24c3a15898e
[INFO] checking lesguillemets/rsw against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flesguillemets%2Frsw" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lesguillemets/rsw on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lesguillemets/rsw
[INFO] finished tweaking git repo https://github.com/lesguillemets/rsw
[INFO] tweaked toml for git repo https://github.com/lesguillemets/rsw written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/lesguillemets/rsw already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6a384493ac7ad77051d0e790c433f2bb8b6ec6d4ed7ad1f776cec7d07e33778c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "6a384493ac7ad77051d0e790c433f2bb8b6ec6d4ed7ad1f776cec7d07e33778c"`
[INFO] [stderr]     Checking stopwatch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | /     loop {
[INFO] [stderr] 15 | |         sleep(Duration::from_millis(10));
[INFO] [stderr] 16 | |         let current = SystemTime::now();
[INFO] [stderr] 17 | |         let diff = current.duration_since(initial).unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 20 | |         writer.flush();
[INFO] [stderr] 21 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 22 |       println!("Hello, world!");
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | /     loop {
[INFO] [stderr] 15 | |         sleep(Duration::from_millis(10));
[INFO] [stderr] 16 | |         let current = SystemTime::now();
[INFO] [stderr] 17 | |         let diff = current.duration_since(initial).unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 20 | |         writer.flush();
[INFO] [stderr] 21 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 22 |       println!("Hello, world!");
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "6a384493ac7ad77051d0e790c433f2bb8b6ec6d4ed7ad1f776cec7d07e33778c"`
[INFO] running `"docker" "rm" "-f" "6a384493ac7ad77051d0e790c433f2bb8b6ec6d4ed7ad1f776cec7d07e33778c"`
[INFO] [stdout] 6a384493ac7ad77051d0e790c433f2bb8b6ec6d4ed7ad1f776cec7d07e33778c