Oct 13 15:30:48.854 INFO checking executors-0.4.1 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 15:30:48.854 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 15:30:49.071 INFO blam! 2c70c4e7406f62d9f183e3da9a9de3a79f0338737cc3e1dc615f6f499693e6c3
Oct 13 15:30:49.082 INFO running `"docker" "start" "-a" "2c70c4e7406f62d9f183e3da9a9de3a79f0338737cc3e1dc615f6f499693e6c3"`
Oct 13 15:30:50.056 INFO kablam! usermod: no changes
Oct 13 15:30:50.217 INFO kablam!     Checking synchronoise v0.4.0
Oct 13 15:30:50.769 INFO kablam!     Checking executors v0.4.1 (/source)
Oct 13 15:30:52.868 INFO kablam! warning: unused import: `common::LogErrors`
Oct 13 15:30:52.868 INFO kablam!   --> src/lib.rs:46:5
Oct 13 15:30:52.869 INFO kablam!    |
Oct 13 15:30:52.870 INFO kablam! 46 | use common::LogErrors;
Oct 13 15:30:52.870 INFO kablam!    |     ^^^^^^^^^^^^^^^^^
Oct 13 15:30:52.871 INFO kablam!    |
Oct 13 15:30:52.872 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 13 15:30:52.872 INFO kablam! 
Oct 13 15:30:53.280 INFO kablam! warning: constant item is never used: `NS_PER_S`
Oct 13 15:30:53.280 INFO kablam!  --> src/timeconstants.rs:9:1
Oct 13 15:30:53.280 INFO kablam!   |
Oct 13 15:30:53.280 INFO kablam! 9 | pub const NS_PER_S: u64 = 1_000_000_000;
Oct 13 15:30:53.280 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 15:30:53.280 INFO kablam!   |
Oct 13 15:30:53.280 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 13 15:30:53.280 INFO kablam! 
Oct 13 15:30:53.280 INFO kablam! warning: constant item is never used: `US_PER_S`
Oct 13 15:30:53.280 INFO kablam!   --> src/timeconstants.rs:10:1
Oct 13 15:30:53.280 INFO kablam!    |
Oct 13 15:30:53.280 INFO kablam! 10 | pub const US_PER_S: u64 = 1_000_000;
Oct 13 15:30:53.280 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 15:30:53.280 INFO kablam! 
Oct 13 15:30:53.280 INFO kablam! warning: constant item is never used: `US_PER_MS`
Oct 13 15:30:53.280 INFO kablam!   --> src/timeconstants.rs:14:1
Oct 13 15:30:53.280 INFO kablam!    |
Oct 13 15:30:53.280 INFO kablam! 14 | pub const US_PER_MS: u64 = 1_000;
Oct 13 15:30:53.280 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 15:30:53.280 INFO kablam! 
Oct 13 15:30:53.280 INFO kablam! warning: constant item is never used: `NS_PER_US`
Oct 13 15:30:53.280 INFO kablam!   --> src/timeconstants.rs:16:1
Oct 13 15:30:53.280 INFO kablam!    |
Oct 13 15:30:53.280 INFO kablam! 16 | pub const NS_PER_US: u64 = 1_000;
Oct 13 15:30:53.280 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 15:30:53.280 INFO kablam! 
Oct 13 15:30:53.676 INFO kablam! warning: unused import: `common::LogErrors`
Oct 13 15:30:53.676 INFO kablam!   --> src/lib.rs:46:5
Oct 13 15:30:53.676 INFO kablam!    |
Oct 13 15:30:53.676 INFO kablam! 46 | use common::LogErrors;
Oct 13 15:30:53.676 INFO kablam!    |     ^^^^^^^^^^^^^^^^^
Oct 13 15:30:53.676 INFO kablam!    |
Oct 13 15:30:53.676 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 13 15:30:53.676 INFO kablam! 
Oct 13 15:30:54.268 INFO kablam! warning: field is never used: `a`
Oct 13 15:30:54.269 INFO kablam!    --> src/common.rs:168:9
Oct 13 15:30:54.269 INFO kablam!     |
Oct 13 15:30:54.269 INFO kablam! 168 |         a: u32,
Oct 13 15:30:54.269 INFO kablam!     |         ^^^^^^
Oct 13 15:30:54.270 INFO kablam!     |
Oct 13 15:30:54.270 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 13 15:30:54.270 INFO kablam! 
Oct 13 15:30:54.270 INFO kablam! warning: field is never used: `b`
Oct 13 15:30:54.271 INFO kablam!    --> src/common.rs:169:9
Oct 13 15:30:54.271 INFO kablam!     |
Oct 13 15:30:54.271 INFO kablam! 169 |         b: f64,
Oct 13 15:30:54.271 INFO kablam!     |         ^^^^^^
Oct 13 15:30:54.272 INFO kablam! 
Oct 13 15:30:54.272 INFO kablam! warning: field is never used: `c`
Oct 13 15:30:54.272 INFO kablam!    --> src/common.rs:170:9
Oct 13 15:30:54.272 INFO kablam!     |
Oct 13 15:30:54.273 INFO kablam! 170 |         c: bool,
Oct 13 15:30:54.273 INFO kablam!     |         ^^^^^^^
Oct 13 15:30:54.273 INFO kablam! 
Oct 13 15:30:54.273 INFO kablam! warning: constant item is never used: `NS_PER_S`
Oct 13 15:30:54.274 INFO kablam!  --> src/timeconstants.rs:9:1
Oct 13 15:30:54.274 INFO kablam!   |
Oct 13 15:30:54.274 INFO kablam! 9 | pub const NS_PER_S: u64 = 1_000_000_000;
Oct 13 15:30:54.274 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 15:30:54.275 INFO kablam! 
Oct 13 15:30:54.275 INFO kablam! warning: constant item is never used: `US_PER_S`
Oct 13 15:30:54.275 INFO kablam!   --> src/timeconstants.rs:10:1
Oct 13 15:30:54.275 INFO kablam!    |
Oct 13 15:30:54.275 INFO kablam! 10 | pub const US_PER_S: u64 = 1_000_000;
Oct 13 15:30:54.276 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 15:30:54.276 INFO kablam! 
Oct 13 15:30:54.276 INFO kablam! warning: constant item is never used: `US_PER_MS`
Oct 13 15:30:54.276 INFO kablam!   --> src/timeconstants.rs:14:1
Oct 13 15:30:54.277 INFO kablam!    |
Oct 13 15:30:54.277 INFO kablam! 14 | pub const US_PER_MS: u64 = 1_000;
Oct 13 15:30:54.277 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 15:30:54.277 INFO kablam! 
Oct 13 15:30:54.278 INFO kablam! warning: constant item is never used: `NS_PER_US`
Oct 13 15:30:54.278 INFO kablam!   --> src/timeconstants.rs:16:1
Oct 13 15:30:54.278 INFO kablam!    |
Oct 13 15:30:54.278 INFO kablam! 16 | pub const NS_PER_US: u64 = 1_000;
Oct 13 15:30:54.279 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 15:30:54.279 INFO kablam! 
Oct 13 15:30:54.279 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 15:30:54.279 INFO kablam!    --> src/crossbeam_workstealing_pool.rs:612:9
Oct 13 15:30:54.279 INFO kablam!     |
Oct 13 15:30:54.280 INFO kablam! 612 |         pool.shutdown();
Oct 13 15:30:54.280 INFO kablam!     |         ^^^^^^^^^^^^^^^^
Oct 13 15:30:54.280 INFO kablam!     |
Oct 13 15:30:54.280 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 13 15:30:54.281 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 15:30:54.281 INFO kablam! 
Oct 13 15:30:54.281 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 15:30:54.281 INFO kablam!    --> src/crossbeam_workstealing_pool.rs:635:9
Oct 13 15:30:54.282 INFO kablam!     |
Oct 13 15:30:54.282 INFO kablam! 635 |         pool.shutdown();
Oct 13 15:30:54.282 INFO kablam!     |         ^^^^^^^^^^^^^^^^
Oct 13 15:30:54.282 INFO kablam!     |
Oct 13 15:30:54.283 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 15:30:54.283 INFO kablam! 
Oct 13 15:30:54.283 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 15:30:54.283 INFO kablam!    --> src/crossbeam_workstealing_pool.rs:651:9
Oct 13 15:30:54.283 INFO kablam!     |
Oct 13 15:30:54.284 INFO kablam! 651 |         pool.shutdown();
Oct 13 15:30:54.284 INFO kablam!     |         ^^^^^^^^^^^^^^^^
Oct 13 15:30:54.284 INFO kablam!     |
Oct 13 15:30:54.284 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 15:30:54.285 INFO kablam! 
Oct 13 15:30:54.285 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 15:30:54.285 INFO kablam!    --> src/crossbeam_workstealing_pool.rs:670:9
Oct 13 15:30:54.285 INFO kablam!     |
Oct 13 15:30:54.286 INFO kablam! 670 |         pool.shutdown();
Oct 13 15:30:54.286 INFO kablam!     |         ^^^^^^^^^^^^^^^^
Oct 13 15:30:54.286 INFO kablam!     |
Oct 13 15:30:54.286 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 15:30:54.287 INFO kablam! 
Oct 13 15:30:55.390 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.32s
Oct 13 15:30:55.409 INFO kablam! su: No module specific data is present
Oct 13 15:30:55.840 INFO running `"docker" "rm" "-f" "2c70c4e7406f62d9f183e3da9a9de3a79f0338737cc3e1dc615f6f499693e6c3"`
Oct 13 15:30:56.118 INFO blam! 2c70c4e7406f62d9f183e3da9a9de3a79f0338737cc3e1dc615f6f499693e6c3