Dec 17 19:33:14.819 INFO checking mitsuhiko/rust-execution-context against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 19:33:14.819 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/mitsuhiko/rust-execution-context:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 19:33:15.020 INFO [stdout] 0c263366546e3d15a3088eb12b81dcf924dd733266bbd3f049e47e816a2b87c1
Dec 17 19:33:15.026 INFO running `"docker" "start" "-a" "0c263366546e3d15a3088eb12b81dcf924dd733266bbd3f049e47e816a2b87c1"`
Dec 17 19:33:16.354 INFO [stderr]    Compiling rustc_version v0.2.2
Dec 17 19:33:17.316 INFO [stderr]    Compiling im v10.2.0
Dec 17 19:33:19.979 INFO [stderr]     Checking execution-context v0.1.0 (/opt/crater/workdir)
Dec 17 19:33:20.547 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.23s
Dec 17 19:33:20.819 INFO running `"docker" "inspect" "0c263366546e3d15a3088eb12b81dcf924dd733266bbd3f049e47e816a2b87c1"`
Dec 17 19:33:20.996 INFO running `"docker" "rm" "-f" "0c263366546e3d15a3088eb12b81dcf924dd733266bbd3f049e47e816a2b87c1"`
Dec 17 19:33:21.121 INFO [stdout] 0c263366546e3d15a3088eb12b81dcf924dd733266bbd3f049e47e816a2b87c1