Dec 18 17:45:21.085 INFO checking caribon-0.8.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252 Dec 18 17:45:21.085 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/caribon/0.8.1:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"` Dec 18 17:45:21.496 INFO [stdout] 1517438e18f7dc16bff02a4588151180990f5ceec19675d7325c5db3aa8a59b5 Dec 18 17:45:21.504 INFO running `"docker" "start" "-a" "1517438e18f7dc16bff02a4588151180990f5ceec19675d7325c5db3aa8a59b5"` Dec 18 17:45:22.863 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently Dec 18 17:45:22.863 INFO [stderr] disables Cargo from automatically inferring other binary targets. Dec 18 17:45:22.863 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following Dec 18 17:45:22.863 INFO [stderr] files will be included as a binary target: Dec 18 17:45:22.863 INFO [stderr] Dec 18 17:45:22.863 INFO [stderr] * /opt/crater/workdir/src/bin/config.rs Dec 18 17:45:22.863 INFO [stderr] Dec 18 17:45:22.863 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be Dec 18 17:45:22.863 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself Dec 18 17:45:22.863 INFO [stderr] and disable this warning by adding `autobins = false` to your [package] Dec 18 17:45:22.863 INFO [stderr] section. You may also move the files to a location where Cargo would not Dec 18 17:45:22.863 INFO [stderr] automatically infer them to be a target, such as in subfolders. Dec 18 17:45:22.863 INFO [stderr] Dec 18 17:45:22.863 INFO [stderr] For more information on this warning you can consult Dec 18 17:45:22.863 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330 Dec 18 17:45:22.876 INFO [stderr] Compiling stemmer v0.3.2 Dec 18 17:45:26.584 INFO [stderr] Checking caribon v0.8.1 (/opt/crater/workdir) Dec 18 17:45:27.249 INFO [stderr] warning: variable does not need to be mutable Dec 18 17:45:27.249 INFO [stderr] --> src/lib/parser.rs:507:13 Dec 18 17:45:27.249 INFO [stderr] | Dec 18 17:45:27.249 INFO [stderr] 507 | let mut vec = ast.get_body_mut(); Dec 18 17:45:27.250 INFO [stderr] | ----^^^ Dec 18 17:45:27.250 INFO [stderr] | | Dec 18 17:45:27.250 INFO [stderr] | help: remove this `mut` Dec 18 17:45:27.250 INFO [stderr] | Dec 18 17:45:27.250 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 18 17:45:27.250 INFO [stderr] Dec 18 17:45:27.255 INFO [stderr] warning: variable does not need to be mutable Dec 18 17:45:27.255 INFO [stderr] --> src/lib/parser.rs:624:13 Dec 18 17:45:27.255 INFO [stderr] | Dec 18 17:45:27.255 INFO [stderr] 624 | let mut vec = ast.get_body_mut(); Dec 18 17:45:27.255 INFO [stderr] | ----^^^ Dec 18 17:45:27.255 INFO [stderr] | | Dec 18 17:45:27.255 INFO [stderr] | help: remove this `mut` Dec 18 17:45:27.255 INFO [stderr] Dec 18 17:45:27.256 INFO [stderr] warning: variable does not need to be mutable Dec 18 17:45:27.256 INFO [stderr] --> src/lib/parser.rs:663:13 Dec 18 17:45:27.256 INFO [stderr] | Dec 18 17:45:27.256 INFO [stderr] 663 | let mut res = words; Dec 18 17:45:27.256 INFO [stderr] | ----^^^ Dec 18 17:45:27.256 INFO [stderr] | | Dec 18 17:45:27.256 INFO [stderr] | help: remove this `mut` Dec 18 17:45:27.256 INFO [stderr] Dec 18 17:45:27.712 INFO [stderr] warning: variable does not need to be mutable Dec 18 17:45:27.712 INFO [stderr] --> src/lib/parser.rs:507:13 Dec 18 17:45:27.712 INFO [stderr] | Dec 18 17:45:27.712 INFO [stderr] 507 | let mut vec = ast.get_body_mut(); Dec 18 17:45:27.712 INFO [stderr] | ----^^^ Dec 18 17:45:27.712 INFO [stderr] | | Dec 18 17:45:27.712 INFO [stderr] | help: remove this `mut` Dec 18 17:45:27.712 INFO [stderr] | Dec 18 17:45:27.712 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 18 17:45:27.712 INFO [stderr] Dec 18 17:45:27.716 INFO [stderr] warning: variable does not need to be mutable Dec 18 17:45:27.717 INFO [stderr] --> src/lib/parser.rs:624:13 Dec 18 17:45:27.717 INFO [stderr] | Dec 18 17:45:27.717 INFO [stderr] 624 | let mut vec = ast.get_body_mut(); Dec 18 17:45:27.717 INFO [stderr] | ----^^^ Dec 18 17:45:27.717 INFO [stderr] | | Dec 18 17:45:27.717 INFO [stderr] | help: remove this `mut` Dec 18 17:45:27.717 INFO [stderr] Dec 18 17:45:27.719 INFO [stderr] warning: variable does not need to be mutable Dec 18 17:45:27.719 INFO [stderr] --> src/lib/parser.rs:663:13 Dec 18 17:45:27.719 INFO [stderr] | Dec 18 17:45:27.719 INFO [stderr] 663 | let mut res = words; Dec 18 17:45:27.719 INFO [stderr] | ----^^^ Dec 18 17:45:27.720 INFO [stderr] | | Dec 18 17:45:27.720 INFO [stderr] | help: remove this `mut` Dec 18 17:45:27.720 INFO [stderr] Dec 18 17:45:28.108 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.27s Dec 18 17:45:28.659 INFO running `"docker" "inspect" "1517438e18f7dc16bff02a4588151180990f5ceec19675d7325c5db3aa8a59b5"` Dec 18 17:45:28.822 INFO running `"docker" "rm" "-f" "1517438e18f7dc16bff02a4588151180990f5ceec19675d7325c5db3aa8a59b5"` Dec 18 17:45:28.907 INFO [stdout] 1517438e18f7dc16bff02a4588151180990f5ceec19675d7325c5db3aa8a59b5