Dec 11 11:01:48.451 INFO checking richardfontana/mimosa against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 11:01:48.451 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 11:01:48.657 INFO [stdout] e49a54bf95392e6253580358b323f4fcc70b9aaeee69b635e1641bed4fe40917
Dec 11 11:01:48.658 INFO running `"docker" "start" "-a" "e49a54bf95392e6253580358b323f4fcc70b9aaeee69b635e1641bed4fe40917"`
Dec 11 11:01:49.086 INFO [stderr] usermod: no changes
Dec 11 11:01:49.113 INFO [stderr]     Checking mimosa v0.1.0 (/source)
Dec 11 11:01:49.324 INFO [stderr] warning: unused variable: `v`
Dec 11 11:01:49.324 INFO [stderr]   --> src/main.rs:26:17
Dec 11 11:01:49.324 INFO [stderr]    |
Dec 11 11:01:49.325 INFO [stderr] 26 |             let v = reduce_to_comments(s, delims);
Dec 11 11:01:49.325 INFO [stderr]    |                 ^ help: consider using `_v` instead
Dec 11 11:01:49.325 INFO [stderr]    |
Dec 11 11:01:49.325 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 11:01:49.325 INFO [stderr] 
Dec 11 11:01:49.325 INFO [stderr] warning: unused variable: `s`
Dec 11 11:01:49.325 INFO [stderr]   --> src/main.rs:55:23
Dec 11 11:01:49.325 INFO [stderr]    |
Dec 11 11:01:49.325 INFO [stderr] 55 | fn reduce_to_comments(s: String, ds: CommentDelimiters) -> Vec<String> {
Dec 11 11:01:49.325 INFO [stderr]    |                       ^ help: consider using `_s` instead
Dec 11 11:01:49.325 INFO [stderr] 
Dec 11 11:01:49.325 INFO [stderr] warning: unused variable: `ds`
Dec 11 11:01:49.325 INFO [stderr]   --> src/main.rs:55:34
Dec 11 11:01:49.325 INFO [stderr]    |
Dec 11 11:01:49.344 INFO [stderr] 55 | fn reduce_to_comments(s: String, ds: CommentDelimiters) -> Vec<String> {
Dec 11 11:01:49.344 INFO [stderr]    |                                  ^^ help: consider using `_ds` instead
Dec 11 11:01:49.344 INFO [stderr] 
Dec 11 11:01:49.345 INFO [stderr] warning: unused variable: `v`
Dec 11 11:01:49.345 INFO [stderr]   --> src/main.rs:26:17
Dec 11 11:01:49.345 INFO [stderr]    |
Dec 11 11:01:49.345 INFO [stderr] 26 |             let v = reduce_to_comments(s, delims);
Dec 11 11:01:49.345 INFO [stderr]    |                 ^ help: consider using `_v` instead
Dec 11 11:01:49.345 INFO [stderr]    |
Dec 11 11:01:49.345 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 11:01:49.345 INFO [stderr] 
Dec 11 11:01:49.345 INFO [stderr] warning: unused variable: `s`
Dec 11 11:01:49.345 INFO [stderr]   --> src/main.rs:55:23
Dec 11 11:01:49.345 INFO [stderr]    |
Dec 11 11:01:49.345 INFO [stderr] 55 | fn reduce_to_comments(s: String, ds: CommentDelimiters) -> Vec<String> {
Dec 11 11:01:49.345 INFO [stderr]    |                       ^ help: consider using `_s` instead
Dec 11 11:01:49.345 INFO [stderr] 
Dec 11 11:01:49.345 INFO [stderr] warning: unused variable: `ds`
Dec 11 11:01:49.345 INFO [stderr]   --> src/main.rs:55:34
Dec 11 11:01:49.345 INFO [stderr]    |
Dec 11 11:01:49.345 INFO [stderr] 55 | fn reduce_to_comments(s: String, ds: CommentDelimiters) -> Vec<String> {
Dec 11 11:01:49.345 INFO [stderr]    |                                  ^^ help: consider using `_ds` instead
Dec 11 11:01:49.345 INFO [stderr] 
Dec 11 11:01:49.345 INFO [stderr] warning: field is never used: `begin`
Dec 11 11:01:49.345 INFO [stderr]   --> src/main.rs:12:5
Dec 11 11:01:49.345 INFO [stderr]    |
Dec 11 11:01:49.345 INFO [stderr] 12 |     begin: &'static str,
Dec 11 11:01:49.345 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 11 11:01:49.345 INFO [stderr]    |
Dec 11 11:01:49.345 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 11:01:49.345 INFO [stderr] 
Dec 11 11:01:49.345 INFO [stderr] warning: field is never used: `end`
Dec 11 11:01:49.345 INFO [stderr]   --> src/main.rs:13:5
Dec 11 11:01:49.345 INFO [stderr]    |
Dec 11 11:01:49.345 INFO [stderr] 13 |     end: &'static str,
Dec 11 11:01:49.345 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 11 11:01:49.345 INFO [stderr] 
Dec 11 11:01:49.345 INFO [stderr] warning: field is never used: `begin`
Dec 11 11:01:49.345 INFO [stderr]   --> src/main.rs:12:5
Dec 11 11:01:49.345 INFO [stderr]    |
Dec 11 11:01:49.345 INFO [stderr] 12 |     begin: &'static str,
Dec 11 11:01:49.345 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 11 11:01:49.345 INFO [stderr]    |
Dec 11 11:01:49.345 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 11:01:49.345 INFO [stderr] 
Dec 11 11:01:49.345 INFO [stderr] warning: field is never used: `end`
Dec 11 11:01:49.345 INFO [stderr]   --> src/main.rs:13:5
Dec 11 11:01:49.345 INFO [stderr]    |
Dec 11 11:01:49.345 INFO [stderr] 13 |     end: &'static str,
Dec 11 11:01:49.345 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 11 11:01:49.345 INFO [stderr] 
Dec 11 11:01:49.345 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 11:01:49.345 INFO [stderr]   --> src/main.rs:25:13
Dec 11 11:01:49.345 INFO [stderr]    |
Dec 11 11:01:49.345 INFO [stderr] 25 |             fr.read_to_string(&mut s);
Dec 11 11:01:49.345 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 11:01:49.345 INFO [stderr]    |
Dec 11 11:01:49.345 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 11:01:49.345 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 11:01:49.345 INFO [stderr] 
Dec 11 11:01:49.358 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 11:01:49.358 INFO [stderr]   --> src/main.rs:25:13
Dec 11 11:01:49.358 INFO [stderr]    |
Dec 11 11:01:49.358 INFO [stderr] 25 |             fr.read_to_string(&mut s);
Dec 11 11:01:49.358 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 11:01:49.358 INFO [stderr]    |
Dec 11 11:01:49.358 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 11:01:49.358 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 11:01:49.359 INFO [stderr] 
Dec 11 11:01:49.387 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
Dec 11 11:01:49.388 INFO [stderr] su: No module specific data is present
Dec 11 11:01:49.694 INFO running `"docker" "inspect" "e49a54bf95392e6253580358b323f4fcc70b9aaeee69b635e1641bed4fe40917"`
Dec 11 11:01:49.841 INFO running `"docker" "rm" "-f" "e49a54bf95392e6253580358b323f4fcc70b9aaeee69b635e1641bed4fe40917"`
Dec 11 11:01:49.924 INFO [stdout] e49a54bf95392e6253580358b323f4fcc70b9aaeee69b635e1641bed4fe40917