Dec 04 07:30:08.179 INFO checking vorner/bigbuffer against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 07:30:08.179 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 07:30:08.712 INFO [stdout] 3f94b468fbdbaa425f888e54a60ed3866569396592e5e86fb2ba61b6b018bb10
Dec 04 07:30:08.716 INFO running `"docker" "start" "-a" "3f94b468fbdbaa425f888e54a60ed3866569396592e5e86fb2ba61b6b018bb10"`
Dec 04 07:30:10.399 INFO [stderr] usermod: no changes
Dec 04 07:30:10.491 INFO [stderr]     Checking humansize v1.0.2
Dec 04 07:30:10.499 INFO [stderr]     Checking clap v2.28.0
Dec 04 07:30:10.499 INFO [stderr]     Checking backtrace v0.3.4
Dec 04 07:30:11.521 INFO [stderr]     Checking failure v0.1.1
Dec 04 07:30:19.306 INFO [stderr]     Checking structopt v0.1.6
Dec 04 07:30:19.524 INFO [stderr]     Checking bigbuffer v0.1.0 (/source)
Dec 04 07:30:20.339 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.91s
Dec 04 07:30:20.344 INFO [stderr] su: No module specific data is present
Dec 04 07:30:21.164 INFO running `"docker" "inspect" "3f94b468fbdbaa425f888e54a60ed3866569396592e5e86fb2ba61b6b018bb10"`
Dec 04 07:30:21.541 INFO running `"docker" "rm" "-f" "3f94b468fbdbaa425f888e54a60ed3866569396592e5e86fb2ba61b6b018bb10"`
Dec 04 07:30:21.883 INFO [stdout] 3f94b468fbdbaa425f888e54a60ed3866569396592e5e86fb2ba61b6b018bb10