Dec 11 12:34:19.689 INFO checking northerner/taxicab against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 12:34:19.689 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 12:34:19.960 INFO [stdout] 117cae0c7175415b81a64db377ad7b4af83139b539ba4e42aca322eede2e64cd
Dec 11 12:34:19.968 INFO running `"docker" "start" "-a" "117cae0c7175415b81a64db377ad7b4af83139b539ba4e42aca322eede2e64cd"`
Dec 11 12:34:20.981 INFO [stderr] usermod: no changes
Dec 11 12:34:21.010 INFO [stderr]     Checking taxicab v0.1.0 (/source)
Dec 11 12:34:21.266 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 12:34:21.266 INFO [stderr]  --> src/main.rs:8:5
Dec 11 12:34:21.266 INFO [stderr]   |
Dec 11 12:34:21.266 INFO [stderr] 8 |     file.read_to_string(&mut buffer);
Dec 11 12:34:21.266 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 12:34:21.266 INFO [stderr]   |
Dec 11 12:34:21.266 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 11 12:34:21.266 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 12:34:21.266 INFO [stderr] 
Dec 11 12:34:21.354 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 12:34:21.354 INFO [stderr]  --> src/main.rs:8:5
Dec 11 12:34:21.354 INFO [stderr]   |
Dec 11 12:34:21.354 INFO [stderr] 8 |     file.read_to_string(&mut buffer);
Dec 11 12:34:21.354 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 12:34:21.354 INFO [stderr]   |
Dec 11 12:34:21.354 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 11 12:34:21.354 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 12:34:21.354 INFO [stderr] 
Dec 11 12:34:21.365 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
Dec 11 12:34:21.367 INFO [stderr] su: No module specific data is present
Dec 11 12:34:21.621 INFO running `"docker" "inspect" "117cae0c7175415b81a64db377ad7b4af83139b539ba4e42aca322eede2e64cd"`
Dec 11 12:34:21.693 INFO running `"docker" "rm" "-f" "117cae0c7175415b81a64db377ad7b4af83139b539ba4e42aca322eede2e64cd"`
Dec 11 12:34:21.799 INFO [stdout] 117cae0c7175415b81a64db377ad7b4af83139b539ba4e42aca322eede2e64cd