Dec 04 13:41:11.069 INFO checking mstange/merge-dags against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 13:41:11.069 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 13:41:11.399 INFO [stdout] eb4cc8f93f4755b335eafed7f199a04244c14dc9a816a84e33dfd7e52c00e477
Dec 04 13:41:11.399 INFO running `"docker" "start" "-a" "eb4cc8f93f4755b335eafed7f199a04244c14dc9a816a84e33dfd7e52c00e477"`
Dec 04 13:41:11.875 INFO [stderr] usermod: no changes
Dec 04 13:41:11.926 INFO [stderr]     Checking num-complex v0.1.43
Dec 04 13:41:11.926 INFO [stderr]     Checking euclid v0.17.2
Dec 04 13:41:11.926 INFO [stderr]     Checking num-bigint v0.1.43
Dec 04 13:41:13.959 INFO [stderr]     Checking num-rational v0.1.42
Dec 04 13:41:14.563 INFO [stderr]     Checking num v0.1.42
Dec 04 13:41:14.758 INFO [stderr]     Checking merge-dags v0.1.0 (/source)
Dec 04 13:41:15.339 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.44s
Dec 04 13:41:15.339 INFO [stderr] su: No module specific data is present
Dec 04 13:41:15.640 INFO running `"docker" "inspect" "eb4cc8f93f4755b335eafed7f199a04244c14dc9a816a84e33dfd7e52c00e477"`
Dec 04 13:41:15.756 INFO running `"docker" "rm" "-f" "eb4cc8f93f4755b335eafed7f199a04244c14dc9a816a84e33dfd7e52c00e477"`
Dec 04 13:41:15.987 INFO [stdout] eb4cc8f93f4755b335eafed7f199a04244c14dc9a816a84e33dfd7e52c00e477