Dec 12 07:09:39.210 INFO checking sparkly-0.1.5 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 07:09:39.210 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 07:09:39.476 INFO [stdout] f8035c644da2625ea7a3fd2a9ce901638f5fbbaf2e06e2cdc4f17266887d93bd
Dec 12 07:09:39.484 INFO running `"docker" "start" "-a" "f8035c644da2625ea7a3fd2a9ce901638f5fbbaf2e06e2cdc4f17266887d93bd"`
Dec 12 07:09:40.221 INFO [stderr] usermod: no changes
Dec 12 07:09:40.383 INFO [stderr]     Checking sparkly v0.1.5 (/source)
Dec 12 07:09:40.383 INFO [stderr]     Checking wait-timeout v0.1.5
Dec 12 07:09:40.383 INFO [stderr]     Checking rand v0.4.3
Dec 12 07:09:42.037 INFO [stderr]     Checking rusty-fork v0.2.1
Dec 12 07:09:43.986 INFO [stderr]     Checking proptest v0.7.2
Dec 12 07:09:54.793 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.55s
Dec 12 07:09:54.800 INFO [stderr] su: No module specific data is present
Dec 12 07:09:55.154 INFO running `"docker" "inspect" "f8035c644da2625ea7a3fd2a9ce901638f5fbbaf2e06e2cdc4f17266887d93bd"`
Dec 12 07:09:55.331 INFO running `"docker" "rm" "-f" "f8035c644da2625ea7a3fd2a9ce901638f5fbbaf2e06e2cdc4f17266887d93bd"`
Dec 12 07:09:55.484 INFO [stdout] f8035c644da2625ea7a3fd2a9ce901638f5fbbaf2e06e2cdc4f17266887d93bd