Dec 11 12:34:18.664 INFO checking northerner/taxicab against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 12:34:18.664 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12:34:18.953 INFO [stdout] 7b10df7a601addca2b969255722aacd54084b1867f39527242ae3f5a3dc961f9
Dec 11 12:34:18.955 INFO running `"docker" "start" "-a" "7b10df7a601addca2b969255722aacd54084b1867f39527242ae3f5a3dc961f9"`
Dec 11 12:34:19.824 INFO [stderr] usermod: no changes
Dec 11 12:34:19.885 INFO [stderr]     Checking taxicab v0.1.0 (/source)
Dec 11 12:34:20.296 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 12:34:20.296 INFO [stderr]  --> src/main.rs:8:5
Dec 11 12:34:20.296 INFO [stderr]   |
Dec 11 12:34:20.296 INFO [stderr] 8 |     file.read_to_string(&mut buffer);
Dec 11 12:34:20.296 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 12:34:20.296 INFO [stderr]   |
Dec 11 12:34:20.296 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 11 12:34:20.296 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 12:34:20.296 INFO [stderr] 
Dec 11 12:34:20.380 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 12:34:20.380 INFO [stderr]  --> src/main.rs:8:5
Dec 11 12:34:20.380 INFO [stderr]   |
Dec 11 12:34:20.380 INFO [stderr] 8 |     file.read_to_string(&mut buffer);
Dec 11 12:34:20.380 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 12:34:20.380 INFO [stderr]   |
Dec 11 12:34:20.380 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 11 12:34:20.380 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 12:34:20.380 INFO [stderr] 
Dec 11 12:34:20.380 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Dec 11 12:34:20.385 INFO [stderr] su: No module specific data is present
Dec 11 12:34:21.030 INFO running `"docker" "inspect" "7b10df7a601addca2b969255722aacd54084b1867f39527242ae3f5a3dc961f9"`
Dec 11 12:34:21.149 INFO running `"docker" "rm" "-f" "7b10df7a601addca2b969255722aacd54084b1867f39527242ae3f5a3dc961f9"`
Dec 11 12:34:21.308 INFO [stdout] 7b10df7a601addca2b969255722aacd54084b1867f39527242ae3f5a3dc961f9