[INFO] crate diff_match_patch 0.1.0 is already in cache
[INFO] checking diff_match_patch-0.1.0 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate diff_match_patch 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate diff_match_patch 0.1.0 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate diff_match_patch 0.1.0
[INFO] finished tweaking crates.io crate diff_match_patch 0.1.0
[INFO] tweaked toml for crates.io crate diff_match_patch 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4d25cf860a6da87295a9dcc947650c4f0eeb0ae5de9ea0c6cbe825890d86793a
[INFO] running `"docker" "start" "-a" "4d25cf860a6da87295a9dcc947650c4f0eeb0ae5de9ea0c6cbe825890d86793a"`
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking diff_match_patch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/dmp.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         ((self.operation == other.operation) & (self.text == other.text))
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/dmp.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 | /         ((self.diffs == other.diffs) & 
[INFO] [stderr] 80 | |         (self.start1 == other.start1) & 
[INFO] [stderr] 81 | |         (self.start2 == other.start2) &
[INFO] [stderr] 82 | |         (self.length1 == other.length1) &
[INFO] [stderr] 83 | |         (self.length2 == other.length2))
[INFO] [stderr]    | |________________________________________^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 79 |         (self.diffs == other.diffs) & 
[INFO] [stderr] 80 |         (self.start1 == other.start1) & 
[INFO] [stderr] 81 |         (self.start2 == other.start2) &
[INFO] [stderr] 82 |         (self.length1 == other.length1) &
[INFO] [stderr] 83 |         (self.length2 == other.length2)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/dmp.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         ((self.operation == other.operation) & (self.text == other.text))
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/dmp.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 | /         ((self.diffs == other.diffs) & 
[INFO] [stderr] 80 | |         (self.start1 == other.start1) & 
[INFO] [stderr] 81 | |         (self.start2 == other.start2) &
[INFO] [stderr] 82 | |         (self.length1 == other.length1) &
[INFO] [stderr] 83 | |         (self.length2 == other.length2))
[INFO] [stderr]    | |________________________________________^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 79 |         (self.diffs == other.diffs) & 
[INFO] [stderr] 80 |         (self.start1 == other.start1) & 
[INFO] [stderr] 81 |         (self.start2 == other.start2) &
[INFO] [stderr] 82 |         (self.length1 == other.length1) &
[INFO] [stderr] 83 |         (self.length2 == other.length2)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/dmp.rs:868:13
[INFO] [stderr]     |
[INFO] [stderr] 868 |         let mut text1_trunc;
[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] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/dmp.rs:869:13
[INFO] [stderr]     |
[INFO] [stderr] 869 |         let mut text2_trunc;
[INFO] [stderr]     |             ----^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/dmp.rs:868:13
[INFO] [stderr]     |
[INFO] [stderr] 868 |         let mut text1_trunc;
[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] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/dmp.rs:869:13
[INFO] [stderr]     |
[INFO] [stderr] 869 |         let mut text2_trunc;
[INFO] [stderr]     |             ----^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/dmp.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         ((self.operation == other.operation) & (self.text == other.text))
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/dmp.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 | /         ((self.diffs == other.diffs) & 
[INFO] [stderr] 80 | |         (self.start1 == other.start1) & 
[INFO] [stderr] 81 | |         (self.start2 == other.start2) &
[INFO] [stderr] 82 | |         (self.length1 == other.length1) &
[INFO] [stderr] 83 | |         (self.length2 == other.length2))
[INFO] [stderr]    | |________________________________________^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 79 |         (self.diffs == other.diffs) & 
[INFO] [stderr] 80 |         (self.start1 == other.start1) & 
[INFO] [stderr] 81 |         (self.start2 == other.start2) &
[INFO] [stderr] 82 |         (self.length1 == other.length1) &
[INFO] [stderr] 83 |         (self.length2 == other.length2)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/dmp.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         ((self.operation == other.operation) & (self.text == other.text))
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/dmp.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 | /         ((self.diffs == other.diffs) & 
[INFO] [stderr] 80 | |         (self.start1 == other.start1) & 
[INFO] [stderr] 81 | |         (self.start2 == other.start2) &
[INFO] [stderr] 82 | |         (self.length1 == other.length1) &
[INFO] [stderr] 83 | |         (self.length2 == other.length2))
[INFO] [stderr]    | |________________________________________^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 79 |         (self.diffs == other.diffs) & 
[INFO] [stderr] 80 |         (self.start1 == other.start1) & 
[INFO] [stderr] 81 |         (self.start2 == other.start2) &
[INFO] [stderr] 82 |         (self.length1 == other.length1) &
[INFO] [stderr] 83 |         (self.length2 == other.length2)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/dmp.rs:868:13
[INFO] [stderr]     |
[INFO] [stderr] 868 |         let mut text1_trunc;
[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] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/dmp.rs:869:13
[INFO] [stderr]     |
[INFO] [stderr] 869 |         let mut text2_trunc;
[INFO] [stderr]     |             ----^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/dmp.rs:868:13
[INFO] [stderr]     |
[INFO] [stderr] 868 |         let mut text1_trunc;
[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] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/dmp.rs:869:13
[INFO] [stderr]     |
[INFO] [stderr] 869 |         let mut text2_trunc;
[INFO] [stderr]     |             ----^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.18s
[INFO] running `"docker" "inspect" "4d25cf860a6da87295a9dcc947650c4f0eeb0ae5de9ea0c6cbe825890d86793a"`
[INFO] running `"docker" "rm" "-f" "4d25cf860a6da87295a9dcc947650c4f0eeb0ae5de9ea0c6cbe825890d86793a"`
[INFO] [stdout] 4d25cf860a6da87295a9dcc947650c4f0eeb0ae5de9ea0c6cbe825890d86793a