[INFO] crate total-order-multi-map 0.4.5 is already in cache
[INFO] extracting crate total-order-multi-map 0.4.5 into work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/total-order-multi-map/0.4.5
[INFO] extracting crate total-order-multi-map 0.4.5 into work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/total-order-multi-map/0.4.5
[INFO] validating manifest of total-order-multi-map-0.4.5 on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of total-order-multi-map-0.4.5 on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing total-order-multi-map-0.4.5
[INFO] finished frobbing total-order-multi-map-0.4.5
[INFO] frobbed toml for total-order-multi-map-0.4.5 written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/total-order-multi-map/0.4.5/Cargo.toml
[INFO] started frobbing total-order-multi-map-0.4.5
[INFO] finished frobbing total-order-multi-map-0.4.5
[INFO] frobbed toml for total-order-multi-map-0.4.5 written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/total-order-multi-map/0.4.5/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking total-order-multi-map-0.4.5 against try#f45cc3094ee337acd688771b9234318046b0572d for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-6/try#f45cc3094ee337acd688771b9234318046b0572d:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/total-order-multi-map/0.4.5:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6d0ddc4453a91fd776753d6f1f74233d7890e85bcaa6041f27975b561fb5e4af
[INFO] running `"docker" "start" "-a" "6d0ddc4453a91fd776753d6f1f74233d7890e85bcaa6041f27975b561fb5e4af"`
[INFO] [stderr]     Checking total-order-multi-map v0.4.5 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/entry.rs:102:22
[INFO] [stderr]     |
[INFO] [stderr] 102 |             Occupied(mut oe) => {
[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/entry.rs:103:21
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 let mut mut_vec = oe.into_mut();
[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/entry.rs:102:22
[INFO] [stderr]     |
[INFO] [stderr] 102 |             Occupied(mut oe) => {
[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/entry.rs:103:21
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 let mut mut_vec = oe.into_mut();
[INFO] [stderr]     |                     ----^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `"docker" "inspect" "6d0ddc4453a91fd776753d6f1f74233d7890e85bcaa6041f27975b561fb5e4af"`
[INFO] running `"docker" "rm" "-f" "6d0ddc4453a91fd776753d6f1f74233d7890e85bcaa6041f27975b561fb5e4af"`
[INFO] [stdout] 6d0ddc4453a91fd776753d6f1f74233d7890e85bcaa6041f27975b561fb5e4af