Dec 04 15:23:08.644 INFO checking lachenmayer/average-image against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 15:23:08.644 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 15:23:09.063 INFO [stdout] f4fcc5f5042413e11c2937065b2a8beb193a5f95ee7357c9663b5c50266d6fe0
Dec 04 15:23:09.065 INFO running `"docker" "start" "-a" "f4fcc5f5042413e11c2937065b2a8beb193a5f95ee7357c9663b5c50266d6fe0"`
Dec 04 15:23:09.879 INFO [stderr] usermod: no changes
Dec 04 15:23:10.030 INFO [stderr]    Compiling syn v0.15.13
Dec 04 15:23:16.747 INFO [stderr]    Compiling num-derive v0.2.3
Dec 04 15:23:21.186 INFO [stderr]     Checking tiff v0.2.1
Dec 04 15:23:22.035 INFO [stderr]     Checking image v0.20.0
Dec 04 15:23:27.204 INFO [stderr]     Checking average-image v0.1.0 (/source)
Dec 04 15:23:28.420 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.53s
Dec 04 15:23:28.429 INFO [stderr] su: No module specific data is present
Dec 04 15:23:28.896 INFO running `"docker" "inspect" "f4fcc5f5042413e11c2937065b2a8beb193a5f95ee7357c9663b5c50266d6fe0"`
Dec 04 15:23:29.076 INFO running `"docker" "rm" "-f" "f4fcc5f5042413e11c2937065b2a8beb193a5f95ee7357c9663b5c50266d6fe0"`
Dec 04 15:23:29.284 INFO [stdout] f4fcc5f5042413e11c2937065b2a8beb193a5f95ee7357c9663b5c50266d6fe0