[INFO] crate shortcut 4.1.3 is already in cache
[INFO] extracting crate shortcut 4.1.3 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/shortcut/4.1.3
[INFO] extracting crate shortcut 4.1.3 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/shortcut/4.1.3
[INFO] validating manifest of shortcut-4.1.3 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of shortcut-4.1.3 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing shortcut-4.1.3
[INFO] finished frobbing shortcut-4.1.3
[INFO] frobbed toml for shortcut-4.1.3 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/shortcut/4.1.3/Cargo.toml
[INFO] started frobbing shortcut-4.1.3
[INFO] finished frobbing shortcut-4.1.3
[INFO] frobbed toml for shortcut-4.1.3 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/shortcut/4.1.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing shortcut-4.1.3 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/shortcut/4.1.3:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 078cf41240c18998655ecc2acc6c20b97c76ba731de79845a678c91dc94731ca
[INFO] running `"docker" "start" "-a" "078cf41240c18998655ecc2acc6c20b97c76ba731de79845a678c91dc94731ca"`
[INFO] [stderr]    Compiling shortcut v4.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/idx.rs:55:21
[INFO] [stderr]    |
[INFO] [stderr] 55 |         if let Some(mut l) = self.map.get_mut(key) {
[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 0.44s
[INFO] running `"docker" "inspect" "078cf41240c18998655ecc2acc6c20b97c76ba731de79845a678c91dc94731ca"`
[INFO] running `"docker" "rm" "-f" "078cf41240c18998655ecc2acc6c20b97c76ba731de79845a678c91dc94731ca"`
[INFO] [stdout] 078cf41240c18998655ecc2acc6c20b97c76ba731de79845a678c91dc94731ca
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/shortcut/4.1.3:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 034970f4d980aacd366ee5dc00addfee0ddf1d1373c4e1774dec197d21b976de
[INFO] running `"docker" "start" "-a" "034970f4d980aacd366ee5dc00addfee0ddf1d1373c4e1774dec197d21b976de"`
[INFO] [stderr]    Compiling shortcut v4.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/idx.rs:55:21
[INFO] [stderr]    |
[INFO] [stderr] 55 |         if let Some(mut l) = self.map.get_mut(key) {
[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 3.99s
[INFO] running `"docker" "inspect" "034970f4d980aacd366ee5dc00addfee0ddf1d1373c4e1774dec197d21b976de"`
[INFO] running `"docker" "rm" "-f" "034970f4d980aacd366ee5dc00addfee0ddf1d1373c4e1774dec197d21b976de"`
[INFO] [stdout] 034970f4d980aacd366ee5dc00addfee0ddf1d1373c4e1774dec197d21b976de
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/shortcut/4.1.3:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] e5efdba92236a6081e902239c6f1ae9509a26ce5107f58f297070b7b9d8fec74
[INFO] running `"docker" "start" "-a" "e5efdba92236a6081e902239c6f1ae9509a26ce5107f58f297070b7b9d8fec74"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/shortcut-24d4eb374eff6ff2
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test cmp::tests::cond_eq ... ok
[INFO] [stdout] test cmp::tests::cmp_eq ... ok
[INFO] [stdout] test cmp::tests::borrowed_values ... ok
[INFO] [stdout] test cmp::tests::through_deref ... ok
[INFO] [stdout] test cmp::tests::value ... ok
[INFO] [stdout] test idx::tests::btree_eq_index ... ok
[INFO] [stdout] test idx::tests::btree_range_index ... ok
[INFO] [stdout] test tests::filtered_delete ... ok
[INFO] [stdout] test tests::it_deletes ... ok
[INFO] [stdout] test tests::it_deletes_with_partial_indices ... ok
[INFO] [stdout] test tests::it_deletes_with_filters ... ok
[INFO] [stdout] test tests::it_filters_with_indices ... ok
[INFO] [stdout] test tests::it_deletes_with_indices ... ok
[INFO] [stdout] test tests::it_filters ... ok
[INFO] [stdout] test tests::is_send_sync ... ok
[INFO] [stdout] test tests::it_works_w_non_vec ... ok
[INFO] [stdout] test tests::it_works_with_indices ... ok
[INFO] [stdout] test tests::it_filters_with_late_indices ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::it_filters_with_partial_indices ... ok
[INFO] [stdout] test cmp::tests::display ... ok
[INFO] [stdout] test idx::tests::hashmap_eq_index ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shortcut
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e5efdba92236a6081e902239c6f1ae9509a26ce5107f58f297070b7b9d8fec74"`
[INFO] running `"docker" "rm" "-f" "e5efdba92236a6081e902239c6f1ae9509a26ce5107f58f297070b7b9d8fec74"`
[INFO] [stdout] e5efdba92236a6081e902239c6f1ae9509a26ce5107f58f297070b7b9d8fec74