Dec 05 06:39:42.229 INFO checking simple-matrix-0.1.2 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 06:39:42.229 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 05 06:39:42.463 INFO [stdout] 7f1b173d2d0ba50fb1213d428038542ebae2c9f99c434a7628463f6b31de8abc
Dec 05 06:39:42.470 INFO running `"docker" "start" "-a" "7f1b173d2d0ba50fb1213d428038542ebae2c9f99c434a7628463f6b31de8abc"`
Dec 05 06:39:43.242 INFO [stderr] usermod: no changes
Dec 05 06:39:43.268 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Dec 05 06:39:43.400 INFO [stderr]     Checking simple-matrix v0.1.2 (/source)
Dec 05 06:39:43.404 INFO [stderr]     Checking criterion v0.2.5
Dec 05 06:39:53.283 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.02s
Dec 05 06:39:53.295 INFO [stderr] su: No module specific data is present
Dec 05 06:39:53.713 INFO running `"docker" "inspect" "7f1b173d2d0ba50fb1213d428038542ebae2c9f99c434a7628463f6b31de8abc"`
Dec 05 06:39:54.017 INFO running `"docker" "rm" "-f" "7f1b173d2d0ba50fb1213d428038542ebae2c9f99c434a7628463f6b31de8abc"`
Dec 05 06:39:54.355 INFO [stdout] 7f1b173d2d0ba50fb1213d428038542ebae2c9f99c434a7628463f6b31de8abc