Nov 27 22:23:44.717 INFO checking r2p2/rust-mandelbrot against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 22:23:44.719 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 27 22:23:45.152 INFO [stdout] 675e7dba5071c61534f2aa6d52c5168da5b986d2c1f06be03995477d83c9b693
Nov 27 22:23:45.160 INFO running `"docker" "start" "-a" "675e7dba5071c61534f2aa6d52c5168da5b986d2c1f06be03995477d83c9b693"`
Nov 27 22:23:46.284 INFO [stderr] usermod: no changes
Nov 27 22:23:46.460 INFO [stderr]     Checking num-bigint v0.1.40
Nov 27 22:23:46.460 INFO [stderr]     Checking png v0.9.0
Nov 27 22:23:49.296 INFO [stderr]     Checking num-rational v0.1.39
Nov 27 22:23:50.090 INFO [stderr]     Checking num v0.1.40
Nov 27 22:23:50.092 INFO [stderr]     Checking image v0.15.0
Nov 27 22:23:54.816 INFO [stderr]     Checking mandelbrot v0.1.0 (/source)
Nov 27 22:23:56.277 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.95s
Nov 27 22:23:56.283 INFO [stderr] su: No module specific data is present
Nov 27 22:23:57.960 INFO running `"docker" "inspect" "675e7dba5071c61534f2aa6d52c5168da5b986d2c1f06be03995477d83c9b693"`
Nov 27 22:23:58.297 INFO running `"docker" "rm" "-f" "675e7dba5071c61534f2aa6d52c5168da5b986d2c1f06be03995477d83c9b693"`
Nov 27 22:23:58.657 INFO [stdout] 675e7dba5071c61534f2aa6d52c5168da5b986d2c1f06be03995477d83c9b693