Dec 19 12:42:09.293 INFO checking michael-robbins/filemapper against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 12:42:09.293 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/michael-robbins/filemapper:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 12:42:09.788 INFO [stdout] 3a92e67678194195fb7a83f1adb25dc35e403c0e45c2ae7e93288d55ed26bd51
Dec 19 12:42:09.794 INFO running `"docker" "start" "-a" "3a92e67678194195fb7a83f1adb25dc35e403c0e45c2ae7e93288d55ed26bd51"`
Dec 19 12:42:11.504 INFO [stderr]    Compiling bzip2-sys v0.1.6
Dec 19 12:42:11.528 INFO [stderr]     Checking csv v1.0.0
Dec 19 12:42:14.737 INFO [stderr]     Checking bzip2 v0.3.3
Dec 19 12:42:15.182 INFO [stderr]     Checking file_mapper v0.1.0 (/opt/crater/workdir)
Dec 19 12:42:16.053 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.66s
Dec 19 12:42:16.950 INFO running `"docker" "inspect" "3a92e67678194195fb7a83f1adb25dc35e403c0e45c2ae7e93288d55ed26bd51"`
Dec 19 12:42:17.330 INFO running `"docker" "rm" "-f" "3a92e67678194195fb7a83f1adb25dc35e403c0e45c2ae7e93288d55ed26bd51"`
Dec 19 12:42:17.684 INFO [stdout] 3a92e67678194195fb7a83f1adb25dc35e403c0e45c2ae7e93288d55ed26bd51