Dec 04 11:37:56.014 INFO checking richardfontana/mimosa against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 11:37:56.014 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 11:37:56.395 INFO [stdout] 3977747780c6c2835ff0183e451873ecd8f6eb3c8c301ab909097b18f3ea3a72
Dec 04 11:37:56.397 INFO running `"docker" "start" "-a" "3977747780c6c2835ff0183e451873ecd8f6eb3c8c301ab909097b18f3ea3a72"`
Dec 04 11:37:57.234 INFO [stderr] usermod: no changes
Dec 04 11:37:57.299 INFO [stderr]     Checking mimosa v0.1.0 (/source)
Dec 04 11:37:57.607 INFO [stderr] warning: unused variable: `v`
Dec 04 11:37:57.607 INFO [stderr]   --> src/main.rs:26:17
Dec 04 11:37:57.607 INFO [stderr]    |
Dec 04 11:37:57.607 INFO [stderr] 26 |             let v = reduce_to_comments(s, delims);
Dec 04 11:37:57.607 INFO [stderr]    |                 ^ help: consider using `_v` instead
Dec 04 11:37:57.607 INFO [stderr]    |
Dec 04 11:37:57.607 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 11:37:57.607 INFO [stderr] 
Dec 04 11:37:57.607 INFO [stderr] warning: unused variable: `s`
Dec 04 11:37:57.607 INFO [stderr]   --> src/main.rs:55:23
Dec 04 11:37:57.607 INFO [stderr]    |
Dec 04 11:37:57.607 INFO [stderr] 55 | fn reduce_to_comments(s: String, ds: CommentDelimiters) -> Vec<String> {
Dec 04 11:37:57.607 INFO [stderr]    |                       ^ help: consider using `_s` instead
Dec 04 11:37:57.607 INFO [stderr] 
Dec 04 11:37:57.607 INFO [stderr] warning: unused variable: `ds`
Dec 04 11:37:57.607 INFO [stderr]   --> src/main.rs:55:34
Dec 04 11:37:57.608 INFO [stderr]    |
Dec 04 11:37:57.608 INFO [stderr] 55 | fn reduce_to_comments(s: String, ds: CommentDelimiters) -> Vec<String> {
Dec 04 11:37:57.608 INFO [stderr]    |                                  ^^ help: consider using `_ds` instead
Dec 04 11:37:57.608 INFO [stderr] 
Dec 04 11:37:57.619 INFO [stderr] warning: field is never used: `begin`
Dec 04 11:37:57.619 INFO [stderr]   --> src/main.rs:12:5
Dec 04 11:37:57.619 INFO [stderr]    |
Dec 04 11:37:57.619 INFO [stderr] 12 |     begin: &'static str,
Dec 04 11:37:57.619 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 04 11:37:57.619 INFO [stderr]    |
Dec 04 11:37:57.619 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 11:37:57.619 INFO [stderr] 
Dec 04 11:37:57.619 INFO [stderr] warning: field is never used: `end`
Dec 04 11:37:57.619 INFO [stderr]   --> src/main.rs:13:5
Dec 04 11:37:57.619 INFO [stderr]    |
Dec 04 11:37:57.619 INFO [stderr] 13 |     end: &'static str,
Dec 04 11:37:57.619 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 04 11:37:57.619 INFO [stderr] 
Dec 04 11:37:57.621 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:37:57.621 INFO [stderr]   --> src/main.rs:25:13
Dec 04 11:37:57.621 INFO [stderr]    |
Dec 04 11:37:57.621 INFO [stderr] 25 |             fr.read_to_string(&mut s);
Dec 04 11:37:57.621 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:37:57.621 INFO [stderr]    |
Dec 04 11:37:57.621 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 11:37:57.621 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:37:57.621 INFO [stderr] 
Dec 04 11:37:57.629 INFO [stderr] warning: unused variable: `v`
Dec 04 11:37:57.629 INFO [stderr]   --> src/main.rs:26:17
Dec 04 11:37:57.629 INFO [stderr]    |
Dec 04 11:37:57.629 INFO [stderr] 26 |             let v = reduce_to_comments(s, delims);
Dec 04 11:37:57.629 INFO [stderr]    |                 ^ help: consider using `_v` instead
Dec 04 11:37:57.629 INFO [stderr]    |
Dec 04 11:37:57.629 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 11:37:57.629 INFO [stderr] 
Dec 04 11:37:57.629 INFO [stderr] warning: unused variable: `s`
Dec 04 11:37:57.629 INFO [stderr]   --> src/main.rs:55:23
Dec 04 11:37:57.629 INFO [stderr]    |
Dec 04 11:37:57.629 INFO [stderr] 55 | fn reduce_to_comments(s: String, ds: CommentDelimiters) -> Vec<String> {
Dec 04 11:37:57.629 INFO [stderr]    |                       ^ help: consider using `_s` instead
Dec 04 11:37:57.629 INFO [stderr] 
Dec 04 11:37:57.629 INFO [stderr] warning: unused variable: `ds`
Dec 04 11:37:57.629 INFO [stderr]   --> src/main.rs:55:34
Dec 04 11:37:57.629 INFO [stderr]    |
Dec 04 11:37:57.629 INFO [stderr] 55 | fn reduce_to_comments(s: String, ds: CommentDelimiters) -> Vec<String> {
Dec 04 11:37:57.629 INFO [stderr]    |                                  ^^ help: consider using `_ds` instead
Dec 04 11:37:57.629 INFO [stderr] 
Dec 04 11:37:57.639 INFO [stderr] warning: field is never used: `begin`
Dec 04 11:37:57.639 INFO [stderr]   --> src/main.rs:12:5
Dec 04 11:37:57.639 INFO [stderr]    |
Dec 04 11:37:57.639 INFO [stderr] 12 |     begin: &'static str,
Dec 04 11:37:57.639 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 04 11:37:57.639 INFO [stderr]    |
Dec 04 11:37:57.639 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 11:37:57.639 INFO [stderr] 
Dec 04 11:37:57.639 INFO [stderr] warning: field is never used: `end`
Dec 04 11:37:57.639 INFO [stderr]   --> src/main.rs:13:5
Dec 04 11:37:57.639 INFO [stderr]    |
Dec 04 11:37:57.639 INFO [stderr] 13 |     end: &'static str,
Dec 04 11:37:57.639 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 04 11:37:57.639 INFO [stderr] 
Dec 04 11:37:57.653 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:37:57.653 INFO [stderr]   --> src/main.rs:25:13
Dec 04 11:37:57.653 INFO [stderr]    |
Dec 04 11:37:57.653 INFO [stderr] 25 |             fr.read_to_string(&mut s);
Dec 04 11:37:57.653 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:37:57.653 INFO [stderr]    |
Dec 04 11:37:57.653 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 11:37:57.653 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:37:57.653 INFO [stderr] 
Dec 04 11:37:57.663 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
Dec 04 11:37:57.667 INFO [stderr] su: No module specific data is present
Dec 04 11:37:57.956 INFO running `"docker" "inspect" "3977747780c6c2835ff0183e451873ecd8f6eb3c8c301ab909097b18f3ea3a72"`
Dec 04 11:37:58.139 INFO running `"docker" "rm" "-f" "3977747780c6c2835ff0183e451873ecd8f6eb3c8c301ab909097b18f3ea3a72"`
Dec 04 11:37:58.312 INFO [stdout] 3977747780c6c2835ff0183e451873ecd8f6eb3c8c301ab909097b18f3ea3a72