Dec 01 00:53:49.441 INFO checking caribon-0.8.1 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Dec 01 00:53:49.441 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-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 01 00:53:49.881 INFO [stdout] 567a5b3c465b40a46e4036480c79d64595af252402d9652ef1ce2609e4d89279
Dec 01 00:53:49.888 INFO running `"docker" "start" "-a" "567a5b3c465b40a46e4036480c79d64595af252402d9652ef1ce2609e4d89279"`
Dec 01 00:53:50.988 INFO [stderr] usermod: no changes
Dec 01 00:53:51.032 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 01 00:53:51.032 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 01 00:53:51.032 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 01 00:53:51.032 INFO [stderr] files will be included as a binary target:
Dec 01 00:53:51.032 INFO [stderr] 
Dec 01 00:53:51.032 INFO [stderr] * /source/src/bin/config.rs
Dec 01 00:53:51.032 INFO [stderr] 
Dec 01 00:53:51.032 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 01 00:53:51.032 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 01 00:53:51.032 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 01 00:53:51.032 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 01 00:53:51.032 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 01 00:53:51.032 INFO [stderr] 
Dec 01 00:53:51.032 INFO [stderr] For more information on this warning you can consult
Dec 01 00:53:51.032 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 01 00:53:51.073 INFO [stderr]    Compiling stemmer v0.3.2
Dec 01 00:53:55.888 INFO [stderr]     Checking caribon v0.8.1 (/source)
Dec 01 00:53:57.388 INFO [stderr] warning: variable does not need to be mutable
Dec 01 00:53:57.389 INFO [stderr]    --> src/lib/parser.rs:507:13
Dec 01 00:53:57.389 INFO [stderr]     |
Dec 01 00:53:57.389 INFO [stderr] 507 |         let mut vec = ast.get_body_mut();
Dec 01 00:53:57.389 INFO [stderr]     |             ----^^^
Dec 01 00:53:57.390 INFO [stderr]     |             |
Dec 01 00:53:57.390 INFO [stderr]     |             help: remove this `mut`
Dec 01 00:53:57.390 INFO [stderr]     |
Dec 01 00:53:57.390 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 01 00:53:57.390 INFO [stderr] 
Dec 01 00:53:57.395 INFO [stderr] warning: variable does not need to be mutable
Dec 01 00:53:57.395 INFO [stderr]    --> src/lib/parser.rs:624:13
Dec 01 00:53:57.395 INFO [stderr]     |
Dec 01 00:53:57.395 INFO [stderr] 624 |         let mut vec = ast.get_body_mut();
Dec 01 00:53:57.395 INFO [stderr]     |             ----^^^
Dec 01 00:53:57.395 INFO [stderr]     |             |
Dec 01 00:53:57.400 INFO [stderr]     |             help: remove this `mut`
Dec 01 00:53:57.400 INFO [stderr] 
Dec 01 00:53:57.402 INFO [stderr] warning: variable does not need to be mutable
Dec 01 00:53:57.402 INFO [stderr]    --> src/lib/parser.rs:663:13
Dec 01 00:53:57.402 INFO [stderr]     |
Dec 01 00:53:57.402 INFO [stderr] 663 |         let mut res = words;
Dec 01 00:53:57.402 INFO [stderr]     |             ----^^^
Dec 01 00:53:57.402 INFO [stderr]     |             |
Dec 01 00:53:57.402 INFO [stderr]     |             help: remove this `mut`
Dec 01 00:53:57.402 INFO [stderr] 
Dec 01 00:53:57.924 INFO [stderr] warning: variable does not need to be mutable
Dec 01 00:53:57.925 INFO [stderr]    --> src/lib/parser.rs:507:13
Dec 01 00:53:57.925 INFO [stderr]     |
Dec 01 00:53:57.925 INFO [stderr] 507 |         let mut vec = ast.get_body_mut();
Dec 01 00:53:57.925 INFO [stderr]     |             ----^^^
Dec 01 00:53:57.925 INFO [stderr]     |             |
Dec 01 00:53:57.925 INFO [stderr]     |             help: remove this `mut`
Dec 01 00:53:57.925 INFO [stderr]     |
Dec 01 00:53:57.926 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 01 00:53:57.926 INFO [stderr] 
Dec 01 00:53:57.930 INFO [stderr] warning: variable does not need to be mutable
Dec 01 00:53:57.930 INFO [stderr]    --> src/lib/parser.rs:624:13
Dec 01 00:53:57.930 INFO [stderr]     |
Dec 01 00:53:57.930 INFO [stderr] 624 |         let mut vec = ast.get_body_mut();
Dec 01 00:53:57.930 INFO [stderr]     |             ----^^^
Dec 01 00:53:57.936 INFO [stderr]     |             |
Dec 01 00:53:57.936 INFO [stderr]     |             help: remove this `mut`
Dec 01 00:53:57.936 INFO [stderr] 
Dec 01 00:53:57.938 INFO [stderr] warning: variable does not need to be mutable
Dec 01 00:53:57.938 INFO [stderr]    --> src/lib/parser.rs:663:13
Dec 01 00:53:57.938 INFO [stderr]     |
Dec 01 00:53:57.938 INFO [stderr] 663 |         let mut res = words;
Dec 01 00:53:57.944 INFO [stderr]     |             ----^^^
Dec 01 00:53:57.944 INFO [stderr]     |             |
Dec 01 00:53:57.944 INFO [stderr]     |             help: remove this `mut`
Dec 01 00:53:57.944 INFO [stderr] 
Dec 01 00:53:59.608 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.59s
Dec 01 00:53:59.610 INFO [stderr] su: No module specific data is present
Dec 01 00:54:01.280 INFO running `"docker" "inspect" "567a5b3c465b40a46e4036480c79d64595af252402d9652ef1ce2609e4d89279"`
Dec 01 00:54:01.500 INFO running `"docker" "rm" "-f" "567a5b3c465b40a46e4036480c79d64595af252402d9652ef1ce2609e4d89279"`
Dec 01 00:54:01.853 INFO [stdout] 567a5b3c465b40a46e4036480c79d64595af252402d9652ef1ce2609e4d89279