Dec 07 03:48:01.007 INFO testing promises-0.2.0 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 03:48:01.007 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-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 07 03:48:01.171 INFO [stdout] dc88a63c569e61ec0862e408611eaa71517cbb93c093d72599e1cb479808afd0
Dec 07 03:48:01.173 INFO running `"docker" "start" "-a" "dc88a63c569e61ec0862e408611eaa71517cbb93c093d72599e1cb479808afd0"`
Dec 07 03:48:01.723 INFO [stderr] usermod: no changes
Dec 07 03:48:01.820 INFO [stderr]    Compiling promises v0.2.0 (/source)
Dec 07 03:48:02.345 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
Dec 07 03:48:02.345 INFO [stderr] su: No module specific data is present
Dec 07 03:48:02.758 INFO running `"docker" "inspect" "dc88a63c569e61ec0862e408611eaa71517cbb93c093d72599e1cb479808afd0"`
Dec 07 03:48:02.850 INFO running `"docker" "rm" "-f" "dc88a63c569e61ec0862e408611eaa71517cbb93c093d72599e1cb479808afd0"`
Dec 07 03:48:02.975 INFO [stdout] dc88a63c569e61ec0862e408611eaa71517cbb93c093d72599e1cb479808afd0
Dec 07 03:48:02.983 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-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 07 03:48:03.156 INFO [stdout] c749dc3c917c15f73e1a63e1ec4e57cde9fc0bd4c3fe4206ca1de1ac6e88bf62
Dec 07 03:48:03.162 INFO running `"docker" "start" "-a" "c749dc3c917c15f73e1a63e1ec4e57cde9fc0bd4c3fe4206ca1de1ac6e88bf62"`
Dec 07 03:48:03.866 INFO [stderr] usermod: no changes
Dec 07 03:48:03.916 INFO [stderr]    Compiling promises v0.2.0 (/source)
Dec 07 03:48:04.544 INFO [stderr] warning: unused import: `std::fs`
Dec 07 03:48:04.544 INFO [stderr]  --> src/tests.rs:4:5
Dec 07 03:48:04.544 INFO [stderr]   |
Dec 07 03:48:04.544 INFO [stderr] 4 | use std::fs;
Dec 07 03:48:04.544 INFO [stderr]   |     ^^^^^^^
Dec 07 03:48:04.544 INFO [stderr]   |
Dec 07 03:48:04.544 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 07 03:48:04.544 INFO [stderr] 
Dec 07 03:48:04.620 INFO [stderr] warning: unused variable: `file`
Dec 07 03:48:04.620 INFO [stderr]   --> src/tests.rs:23:12
Dec 07 03:48:04.620 INFO [stderr]    |
Dec 07 03:48:04.620 INFO [stderr] 23 |         Ok(file) => println!("Created a file!"),
Dec 07 03:48:04.620 INFO [stderr]    |            ^^^^ help: consider using `_file` instead
Dec 07 03:48:04.620 INFO [stderr]    |
Dec 07 03:48:04.620 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 07 03:48:04.620 INFO [stderr] 
Dec 07 03:48:04.620 INFO [stderr] warning: unused variable: `p`
Dec 07 03:48:04.620 INFO [stderr]   --> src/tests.rs:31:9
Dec 07 03:48:04.620 INFO [stderr]    |
Dec 07 03:48:04.620 INFO [stderr] 31 |     let p: Promise<(), ()> = Promise::new(|| {
Dec 07 03:48:04.620 INFO [stderr]    |         ^ help: consider using `_p` instead
Dec 07 03:48:04.620 INFO [stderr] 
Dec 07 03:48:04.648 INFO [stderr] warning: function is never used: `create_file`
Dec 07 03:48:04.648 INFO [stderr]   --> src/tests.rs:13:1
Dec 07 03:48:04.648 INFO [stderr]    |
Dec 07 03:48:04.648 INFO [stderr] 13 | fn create_file() -> Result<File, io::Error> {
Dec 07 03:48:04.648 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 03:48:04.648 INFO [stderr]    |
Dec 07 03:48:04.648 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 07 03:48:04.648 INFO [stderr] 
Dec 07 03:48:05.820 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
Dec 07 03:48:05.827 INFO [stderr] su: No module specific data is present
Dec 07 03:48:06.367 INFO running `"docker" "inspect" "c749dc3c917c15f73e1a63e1ec4e57cde9fc0bd4c3fe4206ca1de1ac6e88bf62"`
Dec 07 03:48:06.455 INFO running `"docker" "rm" "-f" "c749dc3c917c15f73e1a63e1ec4e57cde9fc0bd4c3fe4206ca1de1ac6e88bf62"`
Dec 07 03:48:06.526 INFO [stdout] c749dc3c917c15f73e1a63e1ec4e57cde9fc0bd4c3fe4206ca1de1ac6e88bf62
Dec 07 03:48:06.528 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-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 07 03:48:06.714 INFO [stdout] 43c845f982ed921174ba44606b40d1cfb7b72a27efdd2381db1e100f32c8cb1f
Dec 07 03:48:06.717 INFO running `"docker" "start" "-a" "43c845f982ed921174ba44606b40d1cfb7b72a27efdd2381db1e100f32c8cb1f"`
Dec 07 03:48:07.444 INFO [stderr] usermod: no changes
Dec 07 03:48:07.499 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 07 03:48:07.505 INFO [stderr]      Running /target/debug/deps/promises-5fbb0d6d1c87d388
Dec 07 03:48:07.506 INFO [stdout] 
Dec 07 03:48:07.506 INFO [stdout] running 1 test
Dec 07 03:48:07.516 INFO [stdout] Handling result
Dec 07 03:48:07.516 INFO [stdout] Created a file!
Dec 07 03:48:08.506 INFO [stdout] test tests::test_new ... ok
Dec 07 03:48:08.506 INFO [stdout] 
Dec 07 03:48:08.506 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 03:48:08.506 INFO [stdout] 
Dec 07 03:48:08.506 INFO [stderr]    Doc-tests promises
Dec 07 03:48:09.157 INFO [stdout] 
Dec 07 03:48:09.158 INFO [stdout] running 0 tests
Dec 07 03:48:09.158 INFO [stdout] 
Dec 07 03:48:09.158 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 03:48:09.158 INFO [stdout] 
Dec 07 03:48:09.164 INFO [stderr] su: No module specific data is present
Dec 07 03:48:09.466 INFO running `"docker" "inspect" "43c845f982ed921174ba44606b40d1cfb7b72a27efdd2381db1e100f32c8cb1f"`
Dec 07 03:48:09.546 INFO running `"docker" "rm" "-f" "43c845f982ed921174ba44606b40d1cfb7b72a27efdd2381db1e100f32c8cb1f"`
Dec 07 03:48:09.660 INFO [stdout] 43c845f982ed921174ba44606b40d1cfb7b72a27efdd2381db1e100f32c8cb1f