[INFO] crate smawk 0.1.0 is already in cache
[INFO] extracting crate smawk 0.1.0 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/smawk/0.1.0
[INFO] extracting crate smawk 0.1.0 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/smawk/0.1.0
[INFO] validating manifest of smawk-0.1.0 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of smawk-0.1.0 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing smawk-0.1.0
[INFO] finished frobbing smawk-0.1.0
[INFO] frobbed toml for smawk-0.1.0 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/smawk/0.1.0/Cargo.toml
[INFO] started frobbing smawk-0.1.0
[INFO] finished frobbing smawk-0.1.0
[INFO] frobbed toml for smawk-0.1.0 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/smawk/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking smawk-0.1.0 against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/smawk/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 51795ac8dc04b1ce7ba0b5c2940625f7a7c8ee556f0ce4ed9de836393a5067ed
[INFO] running `"docker" "start" "-a" "51795ac8dc04b1ce7ba0b5c2940625f7a7c8ee556f0ce4ed9de836393a5067ed"`
[INFO] [stderr]    Compiling pulldown-cmark v0.0.11
[INFO] [stderr]     Checking unicode-bidi v0.3.3
[INFO] [stderr]     Checking syntex_errors v0.58.1
[INFO] [stderr]     Checking ndarray v0.10.14
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking syntex_syntax v0.58.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking smawk v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking version-sync v0.3.1
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/complexity.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let mut matrix: Array2<i32> = random_monge_matrix(size, size, &mut rng);
[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]     Finished dev [unoptimized + debuginfo] target(s) in 22.69s
[INFO] running `"docker" "inspect" "51795ac8dc04b1ce7ba0b5c2940625f7a7c8ee556f0ce4ed9de836393a5067ed"`
[INFO] running `"docker" "rm" "-f" "51795ac8dc04b1ce7ba0b5c2940625f7a7c8ee556f0ce4ed9de836393a5067ed"`
[INFO] [stdout] 51795ac8dc04b1ce7ba0b5c2940625f7a7c8ee556f0ce4ed9de836393a5067ed