Dec 18 12:49:02.438 INFO checking promise-rs-0.3.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252 Dec 18 12:49:02.438 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/promise-rs/0.3.0:/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 12:49:02.608 INFO [stdout] bfcea3535c146d7178417497013649f6bb4c16554db9953fbe6dc319bfb2a48c Dec 18 12:49:02.610 INFO running `"docker" "start" "-a" "bfcea3535c146d7178417497013649f6bb4c16554db9953fbe6dc319bfb2a48c"` Dec 18 12:49:03.166 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently Dec 18 12:49:03.166 INFO [stderr] disables Cargo from automatically inferring other binary targets. Dec 18 12:49:03.166 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following Dec 18 12:49:03.166 INFO [stderr] files will be included as a binary target: Dec 18 12:49:03.166 INFO [stderr] Dec 18 12:49:03.166 INFO [stderr] * /opt/crater/workdir/src/main.rs Dec 18 12:49:03.166 INFO [stderr] Dec 18 12:49:03.166 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be Dec 18 12:49:03.166 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself Dec 18 12:49:03.166 INFO [stderr] and disable this warning by adding `autobins = false` to your [package] Dec 18 12:49:03.166 INFO [stderr] section. You may also move the files to a location where Cargo would not Dec 18 12:49:03.166 INFO [stderr] automatically infer them to be a target, such as in subfolders. Dec 18 12:49:03.166 INFO [stderr] Dec 18 12:49:03.166 INFO [stderr] For more information on this warning you can consult Dec 18 12:49:03.166 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330 Dec 18 12:49:03.166 INFO [stderr] warning: path `/opt/crater/workdir/src/main.rs` was erroneously implicitly accepted for binary `promise`, Dec 18 12:49:03.166 INFO [stderr] please set bin.path in Cargo.toml Dec 18 12:49:03.166 INFO [stderr] Checking promise-rs v0.3.0 (/opt/crater/workdir) Dec 18 12:49:03.470 INFO [stderr] warning: variable does not need to be mutable Dec 18 12:49:03.470 INFO [stderr] --> src/lib.rs:51:21 Dec 18 12:49:03.470 INFO [stderr] | Dec 18 12:49:03.470 INFO [stderr] 51 | let mut state = state_guard.as_mut().unwrap(); Dec 18 12:49:03.470 INFO [stderr] | ----^^^^^ Dec 18 12:49:03.470 INFO [stderr] | | Dec 18 12:49:03.470 INFO [stderr] | help: remove this `mut` Dec 18 12:49:03.470 INFO [stderr] | Dec 18 12:49:03.470 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 18 12:49:03.470 INFO [stderr] Dec 18 12:49:03.470 INFO [stderr] warning: variable does not need to be mutable Dec 18 12:49:03.470 INFO [stderr] --> src/lib.rs:65:21 Dec 18 12:49:03.470 INFO [stderr] | Dec 18 12:49:03.470 INFO [stderr] 65 | let mut state = state_guard.as_mut().unwrap(); Dec 18 12:49:03.470 INFO [stderr] | ----^^^^^ Dec 18 12:49:03.470 INFO [stderr] | | Dec 18 12:49:03.470 INFO [stderr] | help: remove this `mut` Dec 18 12:49:03.470 INFO [stderr] Dec 18 12:49:03.488 INFO [stderr] warning: unused attribute Dec 18 12:49:03.488 INFO [stderr] --> src/lib.rs:192:9 Dec 18 12:49:03.488 INFO [stderr] | Dec 18 12:49:03.488 INFO [stderr] 192 | #[derive(Debug)] Dec 18 12:49:03.488 INFO [stderr] | ^^^^^^^^^^^^^^^^ Dec 18 12:49:03.488 INFO [stderr] | Dec 18 12:49:03.488 INFO [stderr] = note: #[warn(unused_attributes)] on by default Dec 18 12:49:03.488 INFO [stderr] Dec 18 12:49:03.503 INFO [stderr] warning: variable does not need to be mutable Dec 18 12:49:03.503 INFO [stderr] --> src/lib.rs:51:21 Dec 18 12:49:03.503 INFO [stderr] | Dec 18 12:49:03.503 INFO [stderr] 51 | let mut state = state_guard.as_mut().unwrap(); Dec 18 12:49:03.503 INFO [stderr] | ----^^^^^ Dec 18 12:49:03.503 INFO [stderr] | | Dec 18 12:49:03.503 INFO [stderr] | help: remove this `mut` Dec 18 12:49:03.503 INFO [stderr] | Dec 18 12:49:03.503 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 18 12:49:03.503 INFO [stderr] Dec 18 12:49:03.503 INFO [stderr] warning: variable does not need to be mutable Dec 18 12:49:03.503 INFO [stderr] --> src/lib.rs:65:21 Dec 18 12:49:03.503 INFO [stderr] | Dec 18 12:49:03.503 INFO [stderr] 65 | let mut state = state_guard.as_mut().unwrap(); Dec 18 12:49:03.503 INFO [stderr] | ----^^^^^ Dec 18 12:49:03.503 INFO [stderr] | | Dec 18 12:49:03.503 INFO [stderr] | help: remove this `mut` Dec 18 12:49:03.503 INFO [stderr] Dec 18 12:49:03.516 INFO [stderr] warning: unused attribute Dec 18 12:49:03.516 INFO [stderr] --> src/lib.rs:192:9 Dec 18 12:49:03.516 INFO [stderr] | Dec 18 12:49:03.516 INFO [stderr] 192 | #[derive(Debug)] Dec 18 12:49:03.516 INFO [stderr] | ^^^^^^^^^^^^^^^^ Dec 18 12:49:03.516 INFO [stderr] | Dec 18 12:49:03.516 INFO [stderr] = note: #[warn(unused_attributes)] on by default Dec 18 12:49:03.516 INFO [stderr] Dec 18 12:49:03.989 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.83s Dec 18 12:49:04.424 INFO running `"docker" "inspect" "bfcea3535c146d7178417497013649f6bb4c16554db9953fbe6dc319bfb2a48c"` Dec 18 12:49:04.736 INFO running `"docker" "rm" "-f" "bfcea3535c146d7178417497013649f6bb4c16554db9953fbe6dc319bfb2a48c"` Dec 18 12:49:04.886 INFO [stdout] bfcea3535c146d7178417497013649f6bb4c16554db9953fbe6dc319bfb2a48c