Dec 15 00:56:54.352 INFO testing promises-0.2.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 00:56:54.352 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 15 00:56:54.602 INFO [stdout] 9325aede16cf2826577ae2308e33aab421864170d114ba571f925ec9317eb9b3
Dec 15 00:56:54.604 INFO running `"docker" "start" "-a" "9325aede16cf2826577ae2308e33aab421864170d114ba571f925ec9317eb9b3"`
Dec 15 00:56:55.177 INFO [stderr] usermod: no changes
Dec 15 00:56:55.203 INFO [stderr]    Compiling promises v0.2.0 (/source)
Dec 15 00:56:55.768 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
Dec 15 00:56:55.770 INFO [stderr] su: No module specific data is present
Dec 15 00:56:56.053 INFO running `"docker" "inspect" "9325aede16cf2826577ae2308e33aab421864170d114ba571f925ec9317eb9b3"`
Dec 15 00:56:56.151 INFO running `"docker" "rm" "-f" "9325aede16cf2826577ae2308e33aab421864170d114ba571f925ec9317eb9b3"`
Dec 15 00:56:56.316 INFO [stdout] 9325aede16cf2826577ae2308e33aab421864170d114ba571f925ec9317eb9b3
Dec 15 00:56:56.321 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 15 00:56:56.758 INFO [stdout] af07cc1a4a39dd446da39b7fbfee23531a12dbab144eba99755267768c6fdbaf
Dec 15 00:56:56.761 INFO running `"docker" "start" "-a" "af07cc1a4a39dd446da39b7fbfee23531a12dbab144eba99755267768c6fdbaf"`
Dec 15 00:56:57.855 INFO [stderr] usermod: no changes
Dec 15 00:56:57.917 INFO [stderr]    Compiling promises v0.2.0 (/source)
Dec 15 00:56:58.559 INFO [stderr] warning: unused import: `std::fs`
Dec 15 00:56:58.559 INFO [stderr]  --> src/tests.rs:4:5
Dec 15 00:56:58.559 INFO [stderr]   |
Dec 15 00:56:58.559 INFO [stderr] 4 | use std::fs;
Dec 15 00:56:58.559 INFO [stderr]   |     ^^^^^^^
Dec 15 00:56:58.559 INFO [stderr]   |
Dec 15 00:56:58.559 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 15 00:56:58.559 INFO [stderr] 
Dec 15 00:56:58.626 INFO [stderr] warning: unused variable: `file`
Dec 15 00:56:58.627 INFO [stderr]   --> src/tests.rs:23:12
Dec 15 00:56:58.627 INFO [stderr]    |
Dec 15 00:56:58.627 INFO [stderr] 23 |         Ok(file) => println!("Created a file!"),
Dec 15 00:56:58.627 INFO [stderr]    |            ^^^^ help: consider using `_file` instead
Dec 15 00:56:58.627 INFO [stderr]    |
Dec 15 00:56:58.627 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 15 00:56:58.627 INFO [stderr] 
Dec 15 00:56:58.627 INFO [stderr] warning: unused variable: `p`
Dec 15 00:56:58.627 INFO [stderr]   --> src/tests.rs:31:9
Dec 15 00:56:58.627 INFO [stderr]    |
Dec 15 00:56:58.627 INFO [stderr] 31 |     let p: Promise<(), ()> = Promise::new(|| {
Dec 15 00:56:58.627 INFO [stderr]    |         ^ help: consider using `_p` instead
Dec 15 00:56:58.627 INFO [stderr] 
Dec 15 00:56:58.644 INFO [stderr] warning: function is never used: `create_file`
Dec 15 00:56:58.644 INFO [stderr]   --> src/tests.rs:13:1
Dec 15 00:56:58.644 INFO [stderr]    |
Dec 15 00:56:58.644 INFO [stderr] 13 | fn create_file() -> Result<File, io::Error> {
Dec 15 00:56:58.644 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 00:56:58.644 INFO [stderr]    |
Dec 15 00:56:58.644 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 15 00:56:58.644 INFO [stderr] 
Dec 15 00:56:59.965 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
Dec 15 00:56:59.966 INFO [stderr] su: No module specific data is present
Dec 15 00:57:00.874 INFO running `"docker" "inspect" "af07cc1a4a39dd446da39b7fbfee23531a12dbab144eba99755267768c6fdbaf"`
Dec 15 00:57:01.221 INFO running `"docker" "rm" "-f" "af07cc1a4a39dd446da39b7fbfee23531a12dbab144eba99755267768c6fdbaf"`
Dec 15 00:57:01.543 INFO [stdout] af07cc1a4a39dd446da39b7fbfee23531a12dbab144eba99755267768c6fdbaf
Dec 15 00:57:01.549 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 15 00:57:02.070 INFO [stdout] 77a018e9f9cedbae778266a107cc80817c4207e97302b8b8a33a2b52ab9f3ad2
Dec 15 00:57:02.072 INFO running `"docker" "start" "-a" "77a018e9f9cedbae778266a107cc80817c4207e97302b8b8a33a2b52ab9f3ad2"`
Dec 15 00:57:02.854 INFO [stderr] usermod: no changes
Dec 15 00:57:02.911 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 15 00:57:02.911 INFO [stderr]      Running /target/debug/deps/promises-6800a267850542e8
Dec 15 00:57:02.911 INFO [stdout] 
Dec 15 00:57:02.911 INFO [stdout] running 1 test
Dec 15 00:57:02.911 INFO [stdout] Handling result
Dec 15 00:57:02.911 INFO [stdout] Created a file!
Dec 15 00:57:03.911 INFO [stderr]    Doc-tests promises
Dec 15 00:57:03.911 INFO [stdout] test tests::test_new ... ok
Dec 15 00:57:03.911 INFO [stdout] 
Dec 15 00:57:03.911 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 00:57:03.911 INFO [stdout] 
Dec 15 00:57:04.658 INFO [stdout] 
Dec 15 00:57:04.658 INFO [stdout] running 0 tests
Dec 15 00:57:04.658 INFO [stdout] 
Dec 15 00:57:04.658 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 00:57:04.658 INFO [stdout] 
Dec 15 00:57:04.666 INFO [stderr] su: No module specific data is present
Dec 15 00:57:05.057 INFO running `"docker" "inspect" "77a018e9f9cedbae778266a107cc80817c4207e97302b8b8a33a2b52ab9f3ad2"`
Dec 15 00:57:05.216 INFO running `"docker" "rm" "-f" "77a018e9f9cedbae778266a107cc80817c4207e97302b8b8a33a2b52ab9f3ad2"`
Dec 15 00:57:05.338 INFO [stdout] 77a018e9f9cedbae778266a107cc80817c4207e97302b8b8a33a2b52ab9f3ad2