Dec 18 10:43:16.621 INFO checking string-interner-0.7.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 10:43:16.621 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/string-interner/0.7.0:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 10:43:16.918 INFO [stdout] 620c36bb2eba411fe60eeb7a9a29490eb67501da5259a6a9dd08ccbf47fdb96f
Dec 18 10:43:16.920 INFO running `"docker" "start" "-a" "620c36bb2eba411fe60eeb7a9a29490eb67501da5259a6a9dd08ccbf47fdb96f"`
Dec 18 10:43:18.220 INFO [stderr]     Checking string-interner v0.7.0 (/opt/crater/workdir)
Dec 18 10:43:18.673 INFO [stderr] warning: unused import: `Symbol`
Dec 18 10:43:18.673 INFO [stderr]  --> src/tests.rs:1:66
Dec 18 10:43:18.673 INFO [stderr]   |
Dec 18 10:43:18.673 INFO [stderr] 1 | use {DefaultStringInterner, InternalStrRef, StringInterner, Sym, Symbol};
Dec 18 10:43:18.673 INFO [stderr]   |                                                                  ^^^^^^
Dec 18 10:43:18.673 INFO [stderr]   |
Dec 18 10:43:18.673 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 10:43:18.673 INFO [stderr] 
Dec 18 10:43:19.160 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
Dec 18 10:43:20.065 INFO running `"docker" "inspect" "620c36bb2eba411fe60eeb7a9a29490eb67501da5259a6a9dd08ccbf47fdb96f"`
Dec 18 10:43:20.374 INFO running `"docker" "rm" "-f" "620c36bb2eba411fe60eeb7a9a29490eb67501da5259a6a9dd08ccbf47fdb96f"`
Dec 18 10:43:20.680 INFO [stdout] 620c36bb2eba411fe60eeb7a9a29490eb67501da5259a6a9dd08ccbf47fdb96f