Dec 18 12:48:59.217 INFO checking promises-0.2.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 12:48:59.217 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/promises/0.2.0:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 12:48:59.486 INFO [stdout] 175558f96b1edc75ce990d59298e948b6a47e550611356282344b4e0e1ced0e3
Dec 18 12:48:59.490 INFO running `"docker" "start" "-a" "175558f96b1edc75ce990d59298e948b6a47e550611356282344b4e0e1ced0e3"`
Dec 18 12:49:00.929 INFO [stderr]     Checking promises v0.2.0 (/opt/crater/workdir)
Dec 18 12:49:01.186 INFO [stderr] warning: unused import: `std::fs`
Dec 18 12:49:01.186 INFO [stderr]  --> src/tests.rs:4:5
Dec 18 12:49:01.186 INFO [stderr]   |
Dec 18 12:49:01.186 INFO [stderr] 4 | use std::fs;
Dec 18 12:49:01.186 INFO [stderr]   |     ^^^^^^^
Dec 18 12:49:01.186 INFO [stderr]   |
Dec 18 12:49:01.186 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 12:49:01.186 INFO [stderr] 
Dec 18 12:49:01.248 INFO [stderr] warning: unused variable: `file`
Dec 18 12:49:01.248 INFO [stderr]   --> src/tests.rs:23:12
Dec 18 12:49:01.248 INFO [stderr]    |
Dec 18 12:49:01.248 INFO [stderr] 23 |         Ok(file) => println!("Created a file!"),
Dec 18 12:49:01.248 INFO [stderr]    |            ^^^^ help: consider using `_file` instead
Dec 18 12:49:01.248 INFO [stderr]    |
Dec 18 12:49:01.248 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 12:49:01.248 INFO [stderr] 
Dec 18 12:49:01.248 INFO [stderr] warning: unused variable: `p`
Dec 18 12:49:01.248 INFO [stderr]   --> src/tests.rs:31:9
Dec 18 12:49:01.248 INFO [stderr]    |
Dec 18 12:49:01.248 INFO [stderr] 31 |     let p: Promise<(), ()> = Promise::new(|| {
Dec 18 12:49:01.248 INFO [stderr]    |         ^ help: consider using `_p` instead
Dec 18 12:49:01.248 INFO [stderr] 
Dec 18 12:49:01.280 INFO [stderr] warning: function is never used: `create_file`
Dec 18 12:49:01.280 INFO [stderr]   --> src/tests.rs:13:1
Dec 18 12:49:01.280 INFO [stderr]    |
Dec 18 12:49:01.280 INFO [stderr] 13 | fn create_file() -> Result<File, io::Error> {
Dec 18 12:49:01.280 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:49:01.284 INFO [stderr]    |
Dec 18 12:49:01.284 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 12:49:01.284 INFO [stderr] 
Dec 18 12:49:01.312 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
Dec 18 12:49:01.662 INFO running `"docker" "inspect" "175558f96b1edc75ce990d59298e948b6a47e550611356282344b4e0e1ced0e3"`
Dec 18 12:49:01.754 INFO running `"docker" "rm" "-f" "175558f96b1edc75ce990d59298e948b6a47e550611356282344b4e0e1ced0e3"`
Dec 18 12:49:01.850 INFO [stdout] 175558f96b1edc75ce990d59298e948b6a47e550611356282344b4e0e1ced0e3