[INFO] crate duplicate-kriller 1.4.1 is already in cache
[INFO] testing duplicate-kriller-1.4.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate duplicate-kriller 1.4.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate duplicate-kriller 1.4.1 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate duplicate-kriller 1.4.1
[INFO] finished tweaking crates.io crate duplicate-kriller 1.4.1
[INFO] tweaked toml for crates.io crate duplicate-kriller 1.4.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 41caf385603651328d87ba66310a350ed092320f84eb9339fbfb4db9c41a6a87
[INFO] running `"docker" "start" "-a" "41caf385603651328d87ba66310a350ed092320f84eb9339fbfb4db9c41a6a87"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling blake3 v0.3.4
[INFO] [stderr]    Compiling ctrlc v3.1.4
[INFO] [stderr]    Compiling dupe-krill v1.4.5
[INFO] [stderr]    Compiling duplicate-kriller v1.4.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/bin.rs:20:37
[INFO] [stderr]    |
[INFO] [stderr] 20 | static CTRL_C_BREAKS: AtomicUsize = std::sync::atomic::ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/bin.rs:51:32
[INFO] [stderr]    |
[INFO] [stderr] 51 |     s.settings.break_on = Some(&CTRL_C_BREAKS);
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^ expected struct `std::sync::atomic::AtomicU32`, found struct `std::sync::atomic::AtomicUsize`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected reference `&std::sync::atomic::AtomicU32`
[INFO] [stderr]               found reference `&std::sync::atomic::AtomicUsize`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/bin.rs:84:72
[INFO] [stderr]    |
[INFO] [stderr] 84 |             writeln!(&mut std::io::stderr(), "Error: {}; {}", err, err.description()).unwrap();
[INFO] [stderr]    |                                                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `duplicate-kriller`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "41caf385603651328d87ba66310a350ed092320f84eb9339fbfb4db9c41a6a87"`
[INFO] running `"docker" "rm" "-f" "41caf385603651328d87ba66310a350ed092320f84eb9339fbfb4db9c41a6a87"`
[INFO] [stdout] 41caf385603651328d87ba66310a350ed092320f84eb9339fbfb4db9c41a6a87