Nov 30 15:50:12.029 INFO checking selectors-0.20.0 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 15:50:12.029 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 15:50:12.578 INFO [stdout] cc8746fdbf08e6c73a5dc931e284541051b6881a996b36160d2e1550d2ac0bb8
Nov 30 15:50:12.580 INFO running `"docker" "start" "-a" "cc8746fdbf08e6c73a5dc931e284541051b6881a996b36160d2e1550d2ac0bb8"`
Nov 30 15:50:15.183 INFO [stderr] usermod: no changes
Nov 30 15:50:15.405 INFO [stderr]     Checking thin-slice v0.1.1
Nov 30 15:50:15.416 INFO [stderr]     Checking servo_arc v0.1.1
Nov 30 15:50:15.417 INFO [stderr]    Compiling syn v0.14.9
Nov 30 15:50:15.452 INFO [stderr]    Compiling selectors v0.20.0 (/source)
Nov 30 15:50:15.452 INFO [stderr]    Compiling cssparser-macros v0.3.5
Nov 30 15:50:42.744 INFO [stderr]    Compiling cssparser v0.24.1
Nov 30 15:51:04.496 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.27s
Nov 30 15:51:04.496 INFO [stderr] su: No module specific data is present
Nov 30 15:51:05.040 INFO running `"docker" "inspect" "cc8746fdbf08e6c73a5dc931e284541051b6881a996b36160d2e1550d2ac0bb8"`
Nov 30 15:51:05.361 INFO running `"docker" "rm" "-f" "cc8746fdbf08e6c73a5dc931e284541051b6881a996b36160d2e1550d2ac0bb8"`
Nov 30 15:51:05.706 INFO [stdout] cc8746fdbf08e6c73a5dc931e284541051b6881a996b36160d2e1550d2ac0bb8