Dec 04 11:37:55.571 INFO checking richardfontana/mimosa against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 11:37:55.571 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 11:37:56.053 INFO [stdout] 5d90887f5b408e6680e89fe571d68684820f2c7981946a62b5fe53d471b3fb38
Dec 04 11:37:56.059 INFO running `"docker" "start" "-a" "5d90887f5b408e6680e89fe571d68684820f2c7981946a62b5fe53d471b3fb38"`
Dec 04 11:37:57.274 INFO [stderr] usermod: no changes
Dec 04 11:37:57.335 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 11:37:57.607 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 `_ds` instead
Dec 04 11:37:57.607 INFO [stderr] 
Dec 04 11:37:57.615 INFO [stderr] warning: field is never used: `begin`
Dec 04 11:37:57.615 INFO [stderr]   --> src/main.rs:12:5
Dec 04 11:37:57.615 INFO [stderr]    |
Dec 04 11:37:57.615 INFO [stderr] 12 |     begin: &'static str,
Dec 04 11:37:57.615 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 04 11:37:57.615 INFO [stderr]    |
Dec 04 11:37:57.615 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 11:37:57.615 INFO [stderr] 
Dec 04 11:37:57.615 INFO [stderr] warning: field is never used: `end`
Dec 04 11:37:57.615 INFO [stderr]   --> src/main.rs:13:5
Dec 04 11:37:57.615 INFO [stderr]    |
Dec 04 11:37:57.615 INFO [stderr] 13 |     end: &'static str,
Dec 04 11:37:57.615 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 04 11:37:57.615 INFO [stderr] 
Dec 04 11:37:57.620 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:37:57.620 INFO [stderr]   --> src/main.rs:25:13
Dec 04 11:37:57.620 INFO [stderr]    |
Dec 04 11:37:57.620 INFO [stderr] 25 |             fr.read_to_string(&mut s);
Dec 04 11:37:57.620 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:37:57.620 INFO [stderr]    |
Dec 04 11:37:57.620 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 11:37:57.620 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:37:57.620 INFO [stderr] 
Dec 04 11:37:57.646 INFO [stderr] warning: unused variable: `v`
Dec 04 11:37:57.646 INFO [stderr]   --> src/main.rs:26:17
Dec 04 11:37:57.646 INFO [stderr]    |
Dec 04 11:37:57.646 INFO [stderr] 26 |             let v = reduce_to_comments(s, delims);
Dec 04 11:37:57.646 INFO [stderr]    |                 ^ help: consider using `_v` instead
Dec 04 11:37:57.646 INFO [stderr]    |
Dec 04 11:37:57.646 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 11:37:57.646 INFO [stderr] 
Dec 04 11:37:57.646 INFO [stderr] warning: unused variable: `s`
Dec 04 11:37:57.646 INFO [stderr]   --> src/main.rs:55:23
Dec 04 11:37:57.646 INFO [stderr]    |
Dec 04 11:37:57.646 INFO [stderr] 55 | fn reduce_to_comments(s: String, ds: CommentDelimiters) -> Vec<String> {
Dec 04 11:37:57.646 INFO [stderr]    |                       ^ help: consider using `_s` instead
Dec 04 11:37:57.646 INFO [stderr] 
Dec 04 11:37:57.646 INFO [stderr] warning: unused variable: `ds`
Dec 04 11:37:57.646 INFO [stderr]   --> src/main.rs:55:34
Dec 04 11:37:57.646 INFO [stderr]    |
Dec 04 11:37:57.646 INFO [stderr] 55 | fn reduce_to_comments(s: String, ds: CommentDelimiters) -> Vec<String> {
Dec 04 11:37:57.646 INFO [stderr]    |                                  ^^ help: consider using `_ds` instead
Dec 04 11:37:57.646 INFO [stderr] 
Dec 04 11:37:57.646 INFO [stderr] warning: field is never used: `begin`
Dec 04 11:37:57.646 INFO [stderr]   --> src/main.rs:12:5
Dec 04 11:37:57.646 INFO [stderr]    |
Dec 04 11:37:57.646 INFO [stderr] 12 |     begin: &'static str,
Dec 04 11:37:57.646 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 04 11:37:57.646 INFO [stderr]    |
Dec 04 11:37:57.646 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 11:37:57.647 INFO [stderr] 
Dec 04 11:37:57.647 INFO [stderr] warning: field is never used: `end`
Dec 04 11:37:57.647 INFO [stderr]   --> src/main.rs:13:5
Dec 04 11:37:57.647 INFO [stderr]    |
Dec 04 11:37:57.647 INFO [stderr] 13 |     end: &'static str,
Dec 04 11:37:57.647 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 04 11:37:57.647 INFO [stderr] 
Dec 04 11:37:57.651 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:37:57.651 INFO [stderr]   --> src/main.rs:25:13
Dec 04 11:37:57.651 INFO [stderr]    |
Dec 04 11:37:57.651 INFO [stderr] 25 |             fr.read_to_string(&mut s);
Dec 04 11:37:57.651 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:37:57.651 INFO [stderr]    |
Dec 04 11:37:57.651 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 11:37:57.651 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:37:57.651 INFO [stderr] 
Dec 04 11:37:57.668 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
Dec 04 11:37:57.669 INFO [stderr] su: No module specific data is present
Dec 04 11:37:57.964 INFO running `"docker" "inspect" "5d90887f5b408e6680e89fe571d68684820f2c7981946a62b5fe53d471b3fb38"`
Dec 04 11:37:58.106 INFO running `"docker" "rm" "-f" "5d90887f5b408e6680e89fe571d68684820f2c7981946a62b5fe53d471b3fb38"`
Dec 04 11:37:58.242 INFO [stdout] 5d90887f5b408e6680e89fe571d68684820f2c7981946a62b5fe53d471b3fb38