[INFO] fetching crate seal 0.1.0...
[INFO] checking seal-0.1.0 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate seal 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate seal 0.1.0 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0252cdb9ed39480910d160c9547828fa9801641b5a8d87b39543128238e71342
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0252cdb9ed39480910d160c9547828fa9801641b5a8d87b39543128238e71342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0252cdb9ed39480910d160c9547828fa9801641b5a8d87b39543128238e71342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0252cdb9ed39480910d160c9547828fa9801641b5a8d87b39543128238e71342", kill_on_drop: false }`
[INFO] [stdout] 0252cdb9ed39480910d160c9547828fa9801641b5a8d87b39543128238e71342
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10f4a98389893d3c56ad834a38de2750060c0736c58c2f3a990014f60b512c94
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "10f4a98389893d3c56ad834a38de2750060c0736c58c2f3a990014f60b512c94", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memmap v0.5.2
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking seal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/pair/step_mask.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | / bitflags! {
[INFO] [stdout] 5  | |     pub flags StepMask: u8 {
[INFO] [stdout] 6  | |         const STOP   = 0b00000000,
[INFO] [stdout] 7  | |         const ALIGN  = 0b00000010,
[INFO] [stdout] ...  |
[INFO] [stdout] 10 | |     }
[INFO] [stdout] 11 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/pair/step_mask.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | / bitflags! {
[INFO] [stdout] 5  | |     pub flags StepMask: u8 {
[INFO] [stdout] 6  | |         const STOP   = 0b00000000,
[INFO] [stdout] 7  | |         const ALIGN  = 0b00000010,
[INFO] [stdout] ...  |
[INFO] [stdout] 10 | |     }
[INFO] [stdout] 11 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/pair/alignment_set.rs:55:58
[INFO] [stdout]    |
[INFO] [stdout] 55 |               let mut last_diagonal = strategy.total_score((strategy.mismatch_score() *
[INFO] [stdout]    |  __________________________________________________________^
[INFO] [stdout] 56 | |                                                           (y as isize)));
[INFO] [stdout]    | |_______________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let mut last_diagonal = strategy.total_score(strategy.mismatch_score() *
[INFO] [stdout] 56 |                                                           (y as isize));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/pair/alignment_set.rs:57:43
[INFO] [stdout]    |
[INFO] [stdout] 57 |             row[0] = strategy.total_score((strategy.insert_score() * ((y + 1) as isize)));
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/pair/alignment_set.rs:116:49
[INFO] [stdout]     |
[INFO] [stdout] 116 |         (0..width).map(|i| strategy.total_score((strategy.delete_score() * (i as isize)))).collect()
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/pair/step_mask.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | / bitflags! {
[INFO] [stdout] 5  | |     pub flags StepMask: u8 {
[INFO] [stdout] 6  | |         const STOP   = 0b00000000,
[INFO] [stdout] 7  | |         const ALIGN  = 0b00000010,
[INFO] [stdout] ...  |
[INFO] [stdout] 10 | |     }
[INFO] [stdout] 11 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/pair/step_mask.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | / bitflags! {
[INFO] [stdout] 5  | |     pub flags StepMask: u8 {
[INFO] [stdout] 6  | |         const STOP   = 0b00000000,
[INFO] [stdout] 7  | |         const ALIGN  = 0b00000010,
[INFO] [stdout] ...  |
[INFO] [stdout] 10 | |     }
[INFO] [stdout] 11 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/pair/alignment_set.rs:55:58
[INFO] [stdout]    |
[INFO] [stdout] 55 |               let mut last_diagonal = strategy.total_score((strategy.mismatch_score() *
[INFO] [stdout]    |  __________________________________________________________^
[INFO] [stdout] 56 | |                                                           (y as isize)));
[INFO] [stdout]    | |_______________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let mut last_diagonal = strategy.total_score(strategy.mismatch_score() *
[INFO] [stdout] 56 |                                                           (y as isize));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/pair/alignment_set.rs:57:43
[INFO] [stdout]    |
[INFO] [stdout] 57 |             row[0] = strategy.total_score((strategy.insert_score() * ((y + 1) as isize)));
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/pair/alignment_set.rs:116:49
[INFO] [stdout]     |
[INFO] [stdout] 116 |         (0..width).map(|i| strategy.total_score((strategy.delete_score() * (i as isize)))).collect()
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/pair/runs.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut inner = &mut self.inner;
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stdout]   --> src/pair/alignment_matrix.rs:79:26
[INFO] [stdout]    |
[INFO] [stdout] 79 |         self.mut_slice()[self.offset(cursor)] = byte;
[INFO] [stdout]    |         -----------------^^^^----------------
[INFO] [stdout]    |         |                |
[INFO] [stdout]    |         |                immutable borrow occurs here
[INFO] [stdout]    |         mutable borrow occurs here
[INFO] [stdout]    |         mutable borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `seal`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/pair/runs.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut inner = &mut self.inner;
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stdout]   --> src/pair/alignment_matrix.rs:79:26
[INFO] [stdout]    |
[INFO] [stdout] 79 |         self.mut_slice()[self.offset(cursor)] = byte;
[INFO] [stdout]    |         -----------------^^^^----------------
[INFO] [stdout]    |         |                |
[INFO] [stdout]    |         |                immutable borrow occurs here
[INFO] [stdout]    |         mutable borrow occurs here
[INFO] [stdout]    |         mutable borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "10f4a98389893d3c56ad834a38de2750060c0736c58c2f3a990014f60b512c94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10f4a98389893d3c56ad834a38de2750060c0736c58c2f3a990014f60b512c94", kill_on_drop: false }`
[INFO] [stdout] 10f4a98389893d3c56ad834a38de2750060c0736c58c2f3a990014f60b512c94
