Dec 05 14:02:06.507 INFO checking executors-0.4.1 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 14:02:06.507 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 14:02:06.792 INFO [stdout] 81add0218e4dd4d74279be896f98473f8c52e943e55a5f3d82baf5fb24a0d1c1
Dec 05 14:02:06.792 INFO running `"docker" "start" "-a" "81add0218e4dd4d74279be896f98473f8c52e943e55a5f3d82baf5fb24a0d1c1"`
Dec 05 14:02:07.196 INFO [stderr] usermod: no changes
Dec 05 14:02:07.336 INFO [stderr]     Checking executors v0.4.1 (/source)
Dec 05 14:02:09.635 INFO [stderr] warning: unused import: `common::LogErrors`
Dec 05 14:02:09.635 INFO [stderr]   --> src/lib.rs:46:5
Dec 05 14:02:09.635 INFO [stderr]    |
Dec 05 14:02:09.635 INFO [stderr] 46 | use common::LogErrors;
Dec 05 14:02:09.635 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 05 14:02:09.635 INFO [stderr]    |
Dec 05 14:02:09.635 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 14:02:09.635 INFO [stderr] 
Dec 05 14:02:10.135 INFO [stderr] warning: constant item is never used: `NS_PER_S`
Dec 05 14:02:10.135 INFO [stderr]  --> src/timeconstants.rs:9:1
Dec 05 14:02:10.135 INFO [stderr]   |
Dec 05 14:02:10.135 INFO [stderr] 9 | pub const NS_PER_S: u64 = 1_000_000_000;
Dec 05 14:02:10.135 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:02:10.135 INFO [stderr]   |
Dec 05 14:02:10.135 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 14:02:10.135 INFO [stderr] 
Dec 05 14:02:10.135 INFO [stderr] warning: constant item is never used: `US_PER_S`
Dec 05 14:02:10.135 INFO [stderr]   --> src/timeconstants.rs:10:1
Dec 05 14:02:10.135 INFO [stderr]    |
Dec 05 14:02:10.135 INFO [stderr] 10 | pub const US_PER_S: u64 = 1_000_000;
Dec 05 14:02:10.135 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:02:10.135 INFO [stderr] 
Dec 05 14:02:10.135 INFO [stderr] warning: constant item is never used: `US_PER_MS`
Dec 05 14:02:10.135 INFO [stderr]   --> src/timeconstants.rs:14:1
Dec 05 14:02:10.135 INFO [stderr]    |
Dec 05 14:02:10.135 INFO [stderr] 14 | pub const US_PER_MS: u64 = 1_000;
Dec 05 14:02:10.135 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:02:10.135 INFO [stderr] 
Dec 05 14:02:10.135 INFO [stderr] warning: constant item is never used: `NS_PER_US`
Dec 05 14:02:10.139 INFO [stderr]   --> src/timeconstants.rs:16:1
Dec 05 14:02:10.139 INFO [stderr]    |
Dec 05 14:02:10.139 INFO [stderr] 16 | pub const NS_PER_US: u64 = 1_000;
Dec 05 14:02:10.139 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:02:10.139 INFO [stderr] 
Dec 05 14:02:10.730 INFO [stderr] warning: unused import: `common::LogErrors`
Dec 05 14:02:10.731 INFO [stderr]   --> src/lib.rs:46:5
Dec 05 14:02:10.731 INFO [stderr]    |
Dec 05 14:02:10.731 INFO [stderr] 46 | use common::LogErrors;
Dec 05 14:02:10.731 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 05 14:02:10.731 INFO [stderr]    |
Dec 05 14:02:10.731 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 14:02:10.731 INFO [stderr] 
Dec 05 14:02:11.215 INFO [stderr] warning: field is never used: `a`
Dec 05 14:02:11.215 INFO [stderr]    --> src/common.rs:168:9
Dec 05 14:02:11.215 INFO [stderr]     |
Dec 05 14:02:11.215 INFO [stderr] 168 |         a: u32,
Dec 05 14:02:11.215 INFO [stderr]     |         ^^^^^^
Dec 05 14:02:11.215 INFO [stderr]     |
Dec 05 14:02:11.215 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 14:02:11.215 INFO [stderr] 
Dec 05 14:02:11.215 INFO [stderr] warning: field is never used: `b`
Dec 05 14:02:11.215 INFO [stderr]    --> src/common.rs:169:9
Dec 05 14:02:11.215 INFO [stderr]     |
Dec 05 14:02:11.215 INFO [stderr] 169 |         b: f64,
Dec 05 14:02:11.215 INFO [stderr]     |         ^^^^^^
Dec 05 14:02:11.215 INFO [stderr] 
Dec 05 14:02:11.215 INFO [stderr] warning: field is never used: `c`
Dec 05 14:02:11.215 INFO [stderr]    --> src/common.rs:170:9
Dec 05 14:02:11.215 INFO [stderr]     |
Dec 05 14:02:11.215 INFO [stderr] 170 |         c: bool,
Dec 05 14:02:11.215 INFO [stderr]     |         ^^^^^^^
Dec 05 14:02:11.215 INFO [stderr] 
Dec 05 14:02:11.215 INFO [stderr] warning: constant item is never used: `NS_PER_S`
Dec 05 14:02:11.215 INFO [stderr]  --> src/timeconstants.rs:9:1
Dec 05 14:02:11.215 INFO [stderr]   |
Dec 05 14:02:11.215 INFO [stderr] 9 | pub const NS_PER_S: u64 = 1_000_000_000;
Dec 05 14:02:11.215 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:02:11.215 INFO [stderr] 
Dec 05 14:02:11.215 INFO [stderr] warning: constant item is never used: `US_PER_S`
Dec 05 14:02:11.215 INFO [stderr]   --> src/timeconstants.rs:10:1
Dec 05 14:02:11.215 INFO [stderr]    |
Dec 05 14:02:11.215 INFO [stderr] 10 | pub const US_PER_S: u64 = 1_000_000;
Dec 05 14:02:11.215 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:02:11.215 INFO [stderr] 
Dec 05 14:02:11.215 INFO [stderr] warning: constant item is never used: `US_PER_MS`
Dec 05 14:02:11.215 INFO [stderr]   --> src/timeconstants.rs:14:1
Dec 05 14:02:11.215 INFO [stderr]    |
Dec 05 14:02:11.215 INFO [stderr] 14 | pub const US_PER_MS: u64 = 1_000;
Dec 05 14:02:11.215 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:02:11.215 INFO [stderr] 
Dec 05 14:02:11.215 INFO [stderr] warning: constant item is never used: `NS_PER_US`
Dec 05 14:02:11.215 INFO [stderr]   --> src/timeconstants.rs:16:1
Dec 05 14:02:11.215 INFO [stderr]    |
Dec 05 14:02:11.215 INFO [stderr] 16 | pub const NS_PER_US: u64 = 1_000;
Dec 05 14:02:11.215 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:02:11.215 INFO [stderr] 
Dec 05 14:02:11.231 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 14:02:11.231 INFO [stderr]    --> src/crossbeam_workstealing_pool.rs:612:9
Dec 05 14:02:11.231 INFO [stderr]     |
Dec 05 14:02:11.231 INFO [stderr] 612 |         pool.shutdown();
Dec 05 14:02:11.231 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 05 14:02:11.231 INFO [stderr]     |
Dec 05 14:02:11.231 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 14:02:11.231 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 14:02:11.231 INFO [stderr] 
Dec 05 14:02:11.231 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 14:02:11.231 INFO [stderr]    --> src/crossbeam_workstealing_pool.rs:635:9
Dec 05 14:02:11.231 INFO [stderr]     |
Dec 05 14:02:11.231 INFO [stderr] 635 |         pool.shutdown();
Dec 05 14:02:11.231 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 05 14:02:11.231 INFO [stderr]     |
Dec 05 14:02:11.231 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 14:02:11.231 INFO [stderr] 
Dec 05 14:02:11.231 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 14:02:11.231 INFO [stderr]    --> src/crossbeam_workstealing_pool.rs:651:9
Dec 05 14:02:11.231 INFO [stderr]     |
Dec 05 14:02:11.231 INFO [stderr] 651 |         pool.shutdown();
Dec 05 14:02:11.231 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 05 14:02:11.231 INFO [stderr]     |
Dec 05 14:02:11.231 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 14:02:11.231 INFO [stderr] 
Dec 05 14:02:11.231 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 14:02:11.231 INFO [stderr]    --> src/crossbeam_workstealing_pool.rs:670:9
Dec 05 14:02:11.231 INFO [stderr]     |
Dec 05 14:02:11.231 INFO [stderr] 670 |         pool.shutdown();
Dec 05 14:02:11.231 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 05 14:02:11.231 INFO [stderr]     |
Dec 05 14:02:11.231 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 14:02:11.231 INFO [stderr] 
Dec 05 14:02:12.172 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.95s
Dec 05 14:02:12.185 INFO [stderr] su: No module specific data is present
Dec 05 14:02:12.718 INFO running `"docker" "inspect" "81add0218e4dd4d74279be896f98473f8c52e943e55a5f3d82baf5fb24a0d1c1"`
Dec 05 14:02:12.812 INFO running `"docker" "rm" "-f" "81add0218e4dd4d74279be896f98473f8c52e943e55a5f3d82baf5fb24a0d1c1"`
Dec 05 14:02:12.903 INFO [stdout] 81add0218e4dd4d74279be896f98473f8c52e943e55a5f3d82baf5fb24a0d1c1