Dec 05 06:20:27.568 INFO checking sparkly-0.1.5 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 06:20:27.568 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 05 06:20:27.875 INFO [stdout] 815d83312c22beb4080309bd92e8002cf89d2bbbb4b49c28f500eeb39818c156
Dec 05 06:20:27.883 INFO running `"docker" "start" "-a" "815d83312c22beb4080309bd92e8002cf89d2bbbb4b49c28f500eeb39818c156"`
Dec 05 06:20:28.950 INFO [stderr] usermod: no changes
Dec 05 06:20:29.087 INFO [stderr]     Checking sparkly v0.1.5 (/source)
Dec 05 06:20:29.087 INFO [stderr]     Checking wait-timeout v0.1.5
Dec 05 06:20:29.087 INFO [stderr]     Checking rand v0.4.3
Dec 05 06:20:30.352 INFO [stderr]     Checking rusty-fork v0.2.1
Dec 05 06:20:32.480 INFO [stderr]     Checking proptest v0.7.2
Dec 05 06:20:42.741 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.76s
Dec 05 06:20:42.745 INFO [stderr] su: No module specific data is present
Dec 05 06:20:43.885 INFO running `"docker" "inspect" "815d83312c22beb4080309bd92e8002cf89d2bbbb4b49c28f500eeb39818c156"`
Dec 05 06:20:43.992 INFO running `"docker" "rm" "-f" "815d83312c22beb4080309bd92e8002cf89d2bbbb4b49c28f500eeb39818c156"`
Dec 05 06:20:44.117 INFO [stdout] 815d83312c22beb4080309bd92e8002cf89d2bbbb4b49c28f500eeb39818c156