Dec 11 13:34:56.049 INFO checking millere/bf against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 13:34:56.049 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 13:34:56.556 INFO [stdout] d5a6340083dbef9eaf2a1c3c4be38da3cf1e15a66e8e4796c78238b6a7ee5a37
Dec 11 13:34:56.558 INFO running `"docker" "start" "-a" "d5a6340083dbef9eaf2a1c3c4be38da3cf1e15a66e8e4796c78238b6a7ee5a37"`
Dec 11 13:34:58.044 INFO [stderr] usermod: no changes
Dec 11 13:34:58.092 INFO [stderr]     Checking bf v0.0.1 (/source)
Dec 11 13:34:58.707 INFO [stderr] warning: unused import: `std::io::Read`
Dec 11 13:34:58.707 INFO [stderr]  --> src/main.rs:2:5
Dec 11 13:34:58.707 INFO [stderr]   |
Dec 11 13:34:58.707 INFO [stderr] 2 | use std::io::Read;
Dec 11 13:34:58.707 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 11 13:34:58.707 INFO [stderr]   |
Dec 11 13:34:58.707 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 13:34:58.707 INFO [stderr] 
Dec 11 13:34:58.712 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 13:34:58.712 INFO [stderr]   --> src/main.rs:14:22
Dec 11 13:34:58.712 INFO [stderr]    |
Dec 11 13:34:58.712 INFO [stderr] 14 |             b'.' => {output.write(&mut buffer[mptr .. mptr+1]);},
Dec 11 13:34:58.712 INFO [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:34:58.712 INFO [stderr]    |
Dec 11 13:34:58.712 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 13:34:58.712 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 13:34:58.712 INFO [stderr] 
Dec 11 13:34:58.765 INFO [stderr] warning: unused import: `std::io::Read`
Dec 11 13:34:58.765 INFO [stderr]  --> src/main.rs:2:5
Dec 11 13:34:58.765 INFO [stderr]   |
Dec 11 13:34:58.766 INFO [stderr] 2 | use std::io::Read;
Dec 11 13:34:58.766 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 11 13:34:58.766 INFO [stderr]   |
Dec 11 13:34:58.767 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 13:34:58.767 INFO [stderr] 
Dec 11 13:34:58.783 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 13:34:58.783 INFO [stderr]   --> src/main.rs:14:22
Dec 11 13:34:58.784 INFO [stderr]    |
Dec 11 13:34:58.784 INFO [stderr] 14 |             b'.' => {output.write(&mut buffer[mptr .. mptr+1]);},
Dec 11 13:34:58.784 INFO [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:34:58.785 INFO [stderr]    |
Dec 11 13:34:58.785 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 13:34:58.785 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 13:34:58.785 INFO [stderr] 
Dec 11 13:34:58.825 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Dec 11 13:34:58.827 INFO [stderr] su: No module specific data is present
Dec 11 13:34:59.796 INFO running `"docker" "inspect" "d5a6340083dbef9eaf2a1c3c4be38da3cf1e15a66e8e4796c78238b6a7ee5a37"`
Dec 11 13:35:00.008 INFO running `"docker" "rm" "-f" "d5a6340083dbef9eaf2a1c3c4be38da3cf1e15a66e8e4796c78238b6a7ee5a37"`
Dec 11 13:35:00.312 INFO [stdout] d5a6340083dbef9eaf2a1c3c4be38da3cf1e15a66e8e4796c78238b6a7ee5a37