Dec 05 14:02:06.512 INFO checking executors-0.4.1 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 14:02:06.512 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 14:02:06.812 INFO [stdout] d3aa53311ba59f66b91c781bbc64c6d456d383b331db7948dd339d2891cbbdb8
Dec 05 14:02:06.816 INFO running `"docker" "start" "-a" "d3aa53311ba59f66b91c781bbc64c6d456d383b331db7948dd339d2891cbbdb8"`
Dec 05 14:02:07.267 INFO [stderr] usermod: no changes
Dec 05 14:02:07.384 INFO [stderr]     Checking synchronoise v0.4.0
Dec 05 14:02:07.951 INFO [stderr]     Checking executors v0.4.1 (/source)
Dec 05 14:02:10.366 INFO [stderr] warning: unused import: `common::LogErrors`
Dec 05 14:02:10.367 INFO [stderr]   --> src/lib.rs:46:5
Dec 05 14:02:10.367 INFO [stderr]    |
Dec 05 14:02:10.367 INFO [stderr] 46 | use common::LogErrors;
Dec 05 14:02:10.367 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 05 14:02:10.367 INFO [stderr]    |
Dec 05 14:02:10.367 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 14:02:10.367 INFO [stderr] 
Dec 05 14:02:10.655 INFO [stderr] warning: constant item is never used: `NS_PER_S`
Dec 05 14:02:10.655 INFO [stderr]  --> src/timeconstants.rs:9:1
Dec 05 14:02:10.655 INFO [stderr]   |
Dec 05 14:02:10.655 INFO [stderr] 9 | pub const NS_PER_S: u64 = 1_000_000_000;
Dec 05 14:02:10.655 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:02:10.655 INFO [stderr]   |
Dec 05 14:02:10.655 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 14:02:10.655 INFO [stderr] 
Dec 05 14:02:10.655 INFO [stderr] warning: constant item is never used: `US_PER_S`
Dec 05 14:02:10.655 INFO [stderr]   --> src/timeconstants.rs:10:1
Dec 05 14:02:10.655 INFO [stderr]    |
Dec 05 14:02:10.655 INFO [stderr] 10 | pub const US_PER_S: u64 = 1_000_000;
Dec 05 14:02:10.655 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:02:10.655 INFO [stderr] 
Dec 05 14:02:10.655 INFO [stderr] warning: constant item is never used: `US_PER_MS`
Dec 05 14:02:10.655 INFO [stderr]   --> src/timeconstants.rs:14:1
Dec 05 14:02:10.655 INFO [stderr]    |
Dec 05 14:02:10.655 INFO [stderr] 14 | pub const US_PER_MS: u64 = 1_000;
Dec 05 14:02:10.655 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:02:10.655 INFO [stderr] 
Dec 05 14:02:10.656 INFO [stderr] warning: constant item is never used: `NS_PER_US`
Dec 05 14:02:10.656 INFO [stderr]   --> src/timeconstants.rs:16:1
Dec 05 14:02:10.656 INFO [stderr]    |
Dec 05 14:02:10.656 INFO [stderr] 16 | pub const NS_PER_US: u64 = 1_000;
Dec 05 14:02:10.656 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:02:10.656 INFO [stderr] 
Dec 05 14:02:11.332 INFO [stderr] warning: unused import: `common::LogErrors`
Dec 05 14:02:11.332 INFO [stderr]   --> src/lib.rs:46:5
Dec 05 14:02:11.332 INFO [stderr]    |
Dec 05 14:02:11.332 INFO [stderr] 46 | use common::LogErrors;
Dec 05 14:02:11.332 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 05 14:02:11.332 INFO [stderr]    |
Dec 05 14:02:11.332 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 14:02:11.332 INFO [stderr] 
Dec 05 14:02:11.819 INFO [stderr] warning: field is never used: `a`
Dec 05 14:02:11.819 INFO [stderr]    --> src/common.rs:168:9
Dec 05 14:02:11.819 INFO [stderr]     |
Dec 05 14:02:11.819 INFO [stderr] 168 |         a: u32,
Dec 05 14:02:11.819 INFO [stderr]     |         ^^^^^^
Dec 05 14:02:11.819 INFO [stderr]     |
Dec 05 14:02:11.819 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 14:02:11.819 INFO [stderr] 
Dec 05 14:02:11.823 INFO [stderr] warning: field is never used: `b`
Dec 05 14:02:11.823 INFO [stderr]    --> src/common.rs:169:9
Dec 05 14:02:11.823 INFO [stderr]     |
Dec 05 14:02:11.823 INFO [stderr] 169 |         b: f64,
Dec 05 14:02:11.823 INFO [stderr]     |         ^^^^^^
Dec 05 14:02:11.823 INFO [stderr] 
Dec 05 14:02:11.823 INFO [stderr] warning: field is never used: `c`
Dec 05 14:02:11.823 INFO [stderr]    --> src/common.rs:170:9
Dec 05 14:02:11.823 INFO [stderr]     |
Dec 05 14:02:11.823 INFO [stderr] 170 |         c: bool,
Dec 05 14:02:11.823 INFO [stderr]     |         ^^^^^^^
Dec 05 14:02:11.823 INFO [stderr] 
Dec 05 14:02:11.823 INFO [stderr] warning: constant item is never used: `NS_PER_S`
Dec 05 14:02:11.823 INFO [stderr]  --> src/timeconstants.rs:9:1
Dec 05 14:02:11.823 INFO [stderr]   |
Dec 05 14:02:11.823 INFO [stderr] 9 | pub const NS_PER_S: u64 = 1_000_000_000;
Dec 05 14:02:11.823 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:02:11.823 INFO [stderr] 
Dec 05 14:02:11.827 INFO [stderr] warning: constant item is never used: `US_PER_S`
Dec 05 14:02:11.827 INFO [stderr]   --> src/timeconstants.rs:10:1
Dec 05 14:02:11.827 INFO [stderr]    |
Dec 05 14:02:11.827 INFO [stderr] 10 | pub const US_PER_S: u64 = 1_000_000;
Dec 05 14:02:11.827 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:02:11.827 INFO [stderr] 
Dec 05 14:02:11.827 INFO [stderr] warning: constant item is never used: `US_PER_MS`
Dec 05 14:02:11.827 INFO [stderr]   --> src/timeconstants.rs:14:1
Dec 05 14:02:11.827 INFO [stderr]    |
Dec 05 14:02:11.827 INFO [stderr] 14 | pub const US_PER_MS: u64 = 1_000;
Dec 05 14:02:11.827 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:02:11.827 INFO [stderr] 
Dec 05 14:02:11.827 INFO [stderr] warning: constant item is never used: `NS_PER_US`
Dec 05 14:02:11.827 INFO [stderr]   --> src/timeconstants.rs:16:1
Dec 05 14:02:11.827 INFO [stderr]    |
Dec 05 14:02:11.827 INFO [stderr] 16 | pub const NS_PER_US: u64 = 1_000;
Dec 05 14:02:11.827 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:02:11.827 INFO [stderr] 
Dec 05 14:02:11.831 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 14:02:11.831 INFO [stderr]    --> src/crossbeam_workstealing_pool.rs:612:9
Dec 05 14:02:11.831 INFO [stderr]     |
Dec 05 14:02:11.831 INFO [stderr] 612 |         pool.shutdown();
Dec 05 14:02:11.831 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 05 14:02:11.831 INFO [stderr]     |
Dec 05 14:02:11.831 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 14:02:11.831 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 14:02:11.831 INFO [stderr] 
Dec 05 14:02:11.835 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 14:02:11.835 INFO [stderr]    --> src/crossbeam_workstealing_pool.rs:635:9
Dec 05 14:02:11.835 INFO [stderr]     |
Dec 05 14:02:11.835 INFO [stderr] 635 |         pool.shutdown();
Dec 05 14:02:11.835 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 05 14:02:11.835 INFO [stderr]     |
Dec 05 14:02:11.835 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 14:02:11.835 INFO [stderr] 
Dec 05 14:02:11.835 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 14:02:11.835 INFO [stderr]    --> src/crossbeam_workstealing_pool.rs:651:9
Dec 05 14:02:11.835 INFO [stderr]     |
Dec 05 14:02:11.835 INFO [stderr] 651 |         pool.shutdown();
Dec 05 14:02:11.835 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 05 14:02:11.835 INFO [stderr]     |
Dec 05 14:02:11.835 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 14:02:11.835 INFO [stderr] 
Dec 05 14:02:11.835 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 14:02:11.835 INFO [stderr]    --> src/crossbeam_workstealing_pool.rs:670:9
Dec 05 14:02:11.835 INFO [stderr]     |
Dec 05 14:02:11.835 INFO [stderr] 670 |         pool.shutdown();
Dec 05 14:02:11.835 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 05 14:02:11.835 INFO [stderr]     |
Dec 05 14:02:11.835 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 14:02:11.835 INFO [stderr] 
Dec 05 14:02:12.595 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.30s
Dec 05 14:02:12.599 INFO [stderr] su: No module specific data is present
Dec 05 14:02:12.909 INFO running `"docker" "inspect" "d3aa53311ba59f66b91c781bbc64c6d456d383b331db7948dd339d2891cbbdb8"`
Dec 05 14:02:12.983 INFO running `"docker" "rm" "-f" "d3aa53311ba59f66b91c781bbc64c6d456d383b331db7948dd339d2891cbbdb8"`
Dec 05 14:02:13.078 INFO [stdout] d3aa53311ba59f66b91c781bbc64c6d456d383b331db7948dd339d2891cbbdb8