Dec 05 00:31:24.032 INFO checking ProgrammingRust/mandelbrot against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 00:31:24.032 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 00:31:24.419 INFO [stdout] 479b6bf221bca24df5f08a01dfd88df277f31007561434c692768074bb984bb3
Dec 05 00:31:24.427 INFO running `"docker" "start" "-a" "479b6bf221bca24df5f08a01dfd88df277f31007561434c692768074bb984bb3"`
Dec 05 00:31:25.547 INFO [stderr] usermod: no changes
Dec 05 00:31:25.695 INFO [stderr]     Checking num-complex v0.1.41
Dec 05 00:31:25.707 INFO [stderr]     Checking num-bigint v0.1.41
Dec 05 00:31:25.723 INFO [stderr]     Checking png v0.5.2
Dec 05 00:31:29.055 INFO [stderr]     Checking num-rational v0.1.41
Dec 05 00:31:30.091 INFO [stderr]     Checking num v0.1.41
Dec 05 00:31:30.091 INFO [stderr]     Checking image v0.10.4
Dec 05 00:31:34.774 INFO [stderr]     Checking mandelbrot v0.2.0 (/source)
Dec 05 00:31:37.099 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.52s
Dec 05 00:31:37.099 INFO [stderr] su: No module specific data is present
Dec 05 00:31:37.633 INFO running `"docker" "inspect" "479b6bf221bca24df5f08a01dfd88df277f31007561434c692768074bb984bb3"`
Dec 05 00:31:37.897 INFO running `"docker" "rm" "-f" "479b6bf221bca24df5f08a01dfd88df277f31007561434c692768074bb984bb3"`
Dec 05 00:31:38.275 INFO [stdout] 479b6bf221bca24df5f08a01dfd88df277f31007561434c692768074bb984bb3