Dec 04 16:18:23.336 INFO checking jsyeo/sanity against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 16:18:23.336 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 04 16:18:23.823 INFO [stdout] efab6a553d79041cccbf1dba1d95290c03de45d6da289e8050f233b1ec91f43e
Dec 04 16:18:23.825 INFO running `"docker" "start" "-a" "efab6a553d79041cccbf1dba1d95290c03de45d6da289e8050f233b1ec91f43e"`
Dec 04 16:18:25.123 INFO [stderr] usermod: no changes
Dec 04 16:18:25.215 INFO [stderr]     Checking sanity v0.1.0 (/source)
Dec 04 16:18:26.071 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 16:18:26.071 INFO [stderr]   --> src/main.rs:63:5
Dec 04 16:18:26.071 INFO [stderr]    |
Dec 04 16:18:26.071 INFO [stderr] 63 |     file.read_to_string(&mut s);
Dec 04 16:18:26.071 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:18:26.071 INFO [stderr]    |
Dec 04 16:18:26.071 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 16:18:26.071 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 16:18:26.071 INFO [stderr] 
Dec 04 16:18:26.075 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 16:18:26.075 INFO [stderr]   --> src/main.rs:63:5
Dec 04 16:18:26.075 INFO [stderr]    |
Dec 04 16:18:26.075 INFO [stderr] 63 |     file.read_to_string(&mut s);
Dec 04 16:18:26.075 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:18:26.075 INFO [stderr]    |
Dec 04 16:18:26.075 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 16:18:26.075 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 16:18:26.075 INFO [stderr] 
Dec 04 16:18:26.107 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
Dec 04 16:18:26.115 INFO [stderr] su: No module specific data is present
Dec 04 16:18:27.135 INFO running `"docker" "inspect" "efab6a553d79041cccbf1dba1d95290c03de45d6da289e8050f233b1ec91f43e"`
Dec 04 16:18:27.456 INFO running `"docker" "rm" "-f" "efab6a553d79041cccbf1dba1d95290c03de45d6da289e8050f233b1ec91f43e"`
Dec 04 16:18:27.787 INFO [stdout] efab6a553d79041cccbf1dba1d95290c03de45d6da289e8050f233b1ec91f43e