[INFO] crate seal 0.1.0 is already in cache
[INFO] testing seal-0.1.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate seal 0.1.0 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate seal 0.1.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate seal 0.1.0
[INFO] finished tweaking crates.io crate seal 0.1.0
[INFO] tweaked toml for crates.io crate seal 0.1.0 written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 43b004ce39d98ad22fcb91e1efe34b698a9da23ba47fc5150552e06741956e38
[INFO] running `"docker" "start" "-a" "43b004ce39d98ad22fcb91e1efe34b698a9da23ba47fc5150552e06741956e38"`
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling seal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/pair/alignment_set.rs:55:58
[INFO] [stderr]    |
[INFO] [stderr] 55 |               let mut last_diagonal = strategy.total_score((strategy.mismatch_score() *
[INFO] [stderr]    |  __________________________________________________________^
[INFO] [stderr] 56 | |                                                           (y as isize)));
[INFO] [stderr]    | |_______________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 55 |             let mut last_diagonal = strategy.total_score(strategy.mismatch_score() *
[INFO] [stderr] 56 |                                                           (y as isize));
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/pair/alignment_set.rs:57:43
[INFO] [stderr]    |
[INFO] [stderr] 57 |             row[0] = strategy.total_score((strategy.insert_score() * ((y + 1) as isize)));
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/pair/alignment_set.rs:116:49
[INFO] [stderr]     |
[INFO] [stderr] 116 |         (0..width).map(|i| strategy.total_score((strategy.delete_score() * (i as isize)))).collect()
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/pair/runs.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let mut inner = &mut self.inner;
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stderr]   --> src/pair/alignment_matrix.rs:79:26
[INFO] [stderr]    |
[INFO] [stderr] 79 |         self.mut_slice()[self.offset(cursor)] = byte;
[INFO] [stderr]    |         -----------------^^^^----------------
[INFO] [stderr]    |         |                |
[INFO] [stderr]    |         |                immutable borrow occurs here
[INFO] [stderr]    |         mutable borrow occurs here
[INFO] [stderr]    |         mutable borrow later used here
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0502`.
[INFO] [stderr] error: Could not compile `seal`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "43b004ce39d98ad22fcb91e1efe34b698a9da23ba47fc5150552e06741956e38"`
[INFO] running `"docker" "rm" "-f" "43b004ce39d98ad22fcb91e1efe34b698a9da23ba47fc5150552e06741956e38"`
[INFO] [stdout] 43b004ce39d98ad22fcb91e1efe34b698a9da23ba47fc5150552e06741956e38