Dec 04 14:09:06.755 INFO checking michael-robbins/filemapper against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 14:09:06.755 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 14:09:07.304 INFO [stdout] 9fdb2f2b4d7fefd4d8c2c99558d9e8b94856e471b457d13fd666dc1f0a06f80b
Dec 04 14:09:07.306 INFO running `"docker" "start" "-a" "9fdb2f2b4d7fefd4d8c2c99558d9e8b94856e471b457d13fd666dc1f0a06f80b"`
Dec 04 14:09:09.543 INFO [stderr] usermod: no changes
Dec 04 14:09:09.693 INFO [stderr]    Compiling serde v1.0.68
Dec 04 14:09:09.711 INFO [stderr]     Checking csv-core v0.1.4
Dec 04 14:09:21.335 INFO [stderr]     Checking csv v1.0.0
Dec 04 14:09:22.663 INFO [stderr]     Checking file_mapper v0.1.0 (/source)
Dec 04 14:09:24.155 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.59s
Dec 04 14:09:24.163 INFO [stderr] su: No module specific data is present
Dec 04 14:09:24.955 INFO running `"docker" "inspect" "9fdb2f2b4d7fefd4d8c2c99558d9e8b94856e471b457d13fd666dc1f0a06f80b"`
Dec 04 14:09:25.362 INFO running `"docker" "rm" "-f" "9fdb2f2b4d7fefd4d8c2c99558d9e8b94856e471b457d13fd666dc1f0a06f80b"`
Dec 04 14:09:25.775 INFO [stdout] 9fdb2f2b4d7fefd4d8c2c99558d9e8b94856e471b457d13fd666dc1f0a06f80b