Dec 18 16:38:18.299 INFO checking executors-0.4.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 16:38:18.299 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/executors/0.4.1:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 16:38:18.583 INFO [stdout] 8ee139107429834b37063b1c9711f182a362b7cdb53c2035851400732279f29b
Dec 18 16:38:18.584 INFO running `"docker" "start" "-a" "8ee139107429834b37063b1c9711f182a362b7cdb53c2035851400732279f29b"`
Dec 18 16:38:19.432 INFO [stderr]     Checking synchronoise v0.4.0
Dec 18 16:38:19.757 INFO [stderr]     Checking executors v0.4.1 (/opt/crater/workdir)
Dec 18 16:38:20.558 INFO [stderr] warning: unused import: `common::LogErrors`
Dec 18 16:38:20.558 INFO [stderr]   --> src/lib.rs:46:5
Dec 18 16:38:20.558 INFO [stderr]    |
Dec 18 16:38:20.558 INFO [stderr] 46 | use common::LogErrors;
Dec 18 16:38:20.558 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 18 16:38:20.558 INFO [stderr]    |
Dec 18 16:38:20.558 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 16:38:20.558 INFO [stderr] 
Dec 18 16:38:20.804 INFO [stderr] warning: unused import: `common::LogErrors`
Dec 18 16:38:20.804 INFO [stderr]   --> src/lib.rs:46:5
Dec 18 16:38:20.804 INFO [stderr]    |
Dec 18 16:38:20.804 INFO [stderr] 46 | use common::LogErrors;
Dec 18 16:38:20.804 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 18 16:38:20.804 INFO [stderr]    |
Dec 18 16:38:20.804 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 16:38:20.804 INFO [stderr] 
Dec 18 16:38:20.835 INFO [stderr] warning: constant item is never used: `NS_PER_S`
Dec 18 16:38:20.835 INFO [stderr]  --> src/timeconstants.rs:9:1
Dec 18 16:38:20.835 INFO [stderr]   |
Dec 18 16:38:20.835 INFO [stderr] 9 | pub const NS_PER_S: u64 = 1_000_000_000;
Dec 18 16:38:20.835 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:38:20.835 INFO [stderr]   |
Dec 18 16:38:20.835 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 16:38:20.835 INFO [stderr] 
Dec 18 16:38:20.835 INFO [stderr] warning: constant item is never used: `US_PER_S`
Dec 18 16:38:20.835 INFO [stderr]   --> src/timeconstants.rs:10:1
Dec 18 16:38:20.835 INFO [stderr]    |
Dec 18 16:38:20.835 INFO [stderr] 10 | pub const US_PER_S: u64 = 1_000_000;
Dec 18 16:38:20.835 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:38:20.835 INFO [stderr] 
Dec 18 16:38:20.835 INFO [stderr] warning: constant item is never used: `US_PER_MS`
Dec 18 16:38:20.835 INFO [stderr]   --> src/timeconstants.rs:14:1
Dec 18 16:38:20.835 INFO [stderr]    |
Dec 18 16:38:20.835 INFO [stderr] 14 | pub const US_PER_MS: u64 = 1_000;
Dec 18 16:38:20.835 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:38:20.835 INFO [stderr] 
Dec 18 16:38:20.836 INFO [stderr] warning: constant item is never used: `NS_PER_US`
Dec 18 16:38:20.836 INFO [stderr]   --> src/timeconstants.rs:16:1
Dec 18 16:38:20.836 INFO [stderr]    |
Dec 18 16:38:20.836 INFO [stderr] 16 | pub const NS_PER_US: u64 = 1_000;
Dec 18 16:38:20.836 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:38:20.836 INFO [stderr] 
Dec 18 16:38:21.281 INFO [stderr] warning: field is never used: `a`
Dec 18 16:38:21.281 INFO [stderr]    --> src/common.rs:168:9
Dec 18 16:38:21.281 INFO [stderr]     |
Dec 18 16:38:21.281 INFO [stderr] 168 |         a: u32,
Dec 18 16:38:21.281 INFO [stderr]     |         ^^^^^^
Dec 18 16:38:21.281 INFO [stderr]     |
Dec 18 16:38:21.281 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 16:38:21.281 INFO [stderr] 
Dec 18 16:38:21.281 INFO [stderr] warning: field is never used: `b`
Dec 18 16:38:21.281 INFO [stderr]    --> src/common.rs:169:9
Dec 18 16:38:21.281 INFO [stderr]     |
Dec 18 16:38:21.281 INFO [stderr] 169 |         b: f64,
Dec 18 16:38:21.281 INFO [stderr]     |         ^^^^^^
Dec 18 16:38:21.281 INFO [stderr] 
Dec 18 16:38:21.281 INFO [stderr] warning: field is never used: `c`
Dec 18 16:38:21.281 INFO [stderr]    --> src/common.rs:170:9
Dec 18 16:38:21.281 INFO [stderr]     |
Dec 18 16:38:21.281 INFO [stderr] 170 |         c: bool,
Dec 18 16:38:21.281 INFO [stderr]     |         ^^^^^^^
Dec 18 16:38:21.281 INFO [stderr] 
Dec 18 16:38:21.281 INFO [stderr] warning: constant item is never used: `NS_PER_S`
Dec 18 16:38:21.281 INFO [stderr]  --> src/timeconstants.rs:9:1
Dec 18 16:38:21.281 INFO [stderr]   |
Dec 18 16:38:21.281 INFO [stderr] 9 | pub const NS_PER_S: u64 = 1_000_000_000;
Dec 18 16:38:21.281 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:38:21.281 INFO [stderr] 
Dec 18 16:38:21.281 INFO [stderr] warning: constant item is never used: `US_PER_S`
Dec 18 16:38:21.281 INFO [stderr]   --> src/timeconstants.rs:10:1
Dec 18 16:38:21.281 INFO [stderr]    |
Dec 18 16:38:21.281 INFO [stderr] 10 | pub const US_PER_S: u64 = 1_000_000;
Dec 18 16:38:21.281 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:38:21.281 INFO [stderr] 
Dec 18 16:38:21.281 INFO [stderr] warning: constant item is never used: `US_PER_MS`
Dec 18 16:38:21.281 INFO [stderr]   --> src/timeconstants.rs:14:1
Dec 18 16:38:21.281 INFO [stderr]    |
Dec 18 16:38:21.281 INFO [stderr] 14 | pub const US_PER_MS: u64 = 1_000;
Dec 18 16:38:21.281 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:38:21.281 INFO [stderr] 
Dec 18 16:38:21.281 INFO [stderr] warning: constant item is never used: `NS_PER_US`
Dec 18 16:38:21.281 INFO [stderr]   --> src/timeconstants.rs:16:1
Dec 18 16:38:21.281 INFO [stderr]    |
Dec 18 16:38:21.281 INFO [stderr] 16 | pub const NS_PER_US: u64 = 1_000;
Dec 18 16:38:21.281 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:38:21.281 INFO [stderr] 
Dec 18 16:38:21.292 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 16:38:21.292 INFO [stderr]    --> src/crossbeam_workstealing_pool.rs:612:9
Dec 18 16:38:21.292 INFO [stderr]     |
Dec 18 16:38:21.292 INFO [stderr] 612 |         pool.shutdown();
Dec 18 16:38:21.292 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 18 16:38:21.292 INFO [stderr]     |
Dec 18 16:38:21.292 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 16:38:21.292 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 16:38:21.292 INFO [stderr] 
Dec 18 16:38:21.292 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 16:38:21.292 INFO [stderr]    --> src/crossbeam_workstealing_pool.rs:635:9
Dec 18 16:38:21.292 INFO [stderr]     |
Dec 18 16:38:21.292 INFO [stderr] 635 |         pool.shutdown();
Dec 18 16:38:21.292 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 18 16:38:21.292 INFO [stderr]     |
Dec 18 16:38:21.292 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 16:38:21.292 INFO [stderr] 
Dec 18 16:38:21.292 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 16:38:21.292 INFO [stderr]    --> src/crossbeam_workstealing_pool.rs:651:9
Dec 18 16:38:21.292 INFO [stderr]     |
Dec 18 16:38:21.292 INFO [stderr] 651 |         pool.shutdown();
Dec 18 16:38:21.293 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 18 16:38:21.293 INFO [stderr]     |
Dec 18 16:38:21.293 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 16:38:21.293 INFO [stderr] 
Dec 18 16:38:21.293 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 16:38:21.293 INFO [stderr]    --> src/crossbeam_workstealing_pool.rs:670:9
Dec 18 16:38:21.293 INFO [stderr]     |
Dec 18 16:38:21.293 INFO [stderr] 670 |         pool.shutdown();
Dec 18 16:38:21.293 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 18 16:38:21.293 INFO [stderr]     |
Dec 18 16:38:21.293 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 16:38:21.293 INFO [stderr] 
Dec 18 16:38:21.522 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.18s
Dec 18 16:38:21.808 INFO running `"docker" "inspect" "8ee139107429834b37063b1c9711f182a362b7cdb53c2035851400732279f29b"`
Dec 18 16:38:22.026 INFO running `"docker" "rm" "-f" "8ee139107429834b37063b1c9711f182a362b7cdb53c2035851400732279f29b"`
Dec 18 16:38:22.265 INFO [stdout] 8ee139107429834b37063b1c9711f182a362b7cdb53c2035851400732279f29b