Dec 11 12:55:50.493 INFO checking naokiri/sandbox against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 12:55:50.493 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 12:55:51.094 INFO [stdout] 2bf4b67827f0cd3647323784185b70784ab8647b1071cd801cbf155564cb0ac0
Dec 11 12:55:51.096 INFO running `"docker" "start" "-a" "2bf4b67827f0cd3647323784185b70784ab8647b1071cd801cbf155564cb0ac0"`
Dec 11 12:55:53.427 INFO [stderr] usermod: no changes
Dec 11 12:55:53.544 INFO [stderr]    Compiling stdweb-internal-runtime v0.1.0
Dec 11 12:55:53.544 INFO [stderr]     Checking discard v1.0.4
Dec 11 12:55:53.544 INFO [stderr]    Compiling syn v0.14.9
Dec 11 12:56:07.053 INFO [stderr]    Compiling stdweb-derive v0.5.0
Dec 11 12:56:10.866 INFO [stderr]     Checking stdweb v0.4.9
Dec 11 12:56:26.792 INFO [stderr]     Checking sandbox v0.1.0 (/source)
Dec 11 12:56:27.676 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.22s
Dec 11 12:56:27.680 INFO [stderr] su: No module specific data is present
Dec 11 12:56:28.500 INFO running `"docker" "inspect" "2bf4b67827f0cd3647323784185b70784ab8647b1071cd801cbf155564cb0ac0"`
Dec 11 12:56:28.714 INFO running `"docker" "rm" "-f" "2bf4b67827f0cd3647323784185b70784ab8647b1071cd801cbf155564cb0ac0"`
Dec 11 12:56:28.924 INFO [stdout] 2bf4b67827f0cd3647323784185b70784ab8647b1071cd801cbf155564cb0ac0