Dec 05 14:22:52.177 INFO testing millere/bf against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 14:22:52.177 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-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 05 14:22:52.388 INFO [stdout] c6681a7b9ad9bdde32bda505641004a9f7a324b1bf074c7f34b489659dd76f42
Dec 05 14:22:52.394 INFO running `"docker" "start" "-a" "c6681a7b9ad9bdde32bda505641004a9f7a324b1bf074c7f34b489659dd76f42"`
Dec 05 14:22:53.599 INFO [stderr] usermod: no changes
Dec 05 14:22:53.637 INFO [stderr]    Compiling bf v0.0.1 (/source)
Dec 05 14:22:53.984 INFO [stderr] warning: unused import: `std::io::Read`
Dec 05 14:22:53.984 INFO [stderr]  --> src/main.rs:2:5
Dec 05 14:22:53.984 INFO [stderr]   |
Dec 05 14:22:53.984 INFO [stderr] 2 | use std::io::Read;
Dec 05 14:22:53.984 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 05 14:22:53.984 INFO [stderr]   |
Dec 05 14:22:53.984 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 14:22:53.984 INFO [stderr] 
Dec 05 14:22:53.988 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 14:22:53.988 INFO [stderr]   --> src/main.rs:14:22
Dec 05 14:22:53.988 INFO [stderr]    |
Dec 05 14:22:53.988 INFO [stderr] 14 |             b'.' => {output.write(&mut buffer[mptr .. mptr+1]);},
Dec 05 14:22:53.988 INFO [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:22:53.988 INFO [stderr]    |
Dec 05 14:22:53.988 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 14:22:53.988 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 14:22:53.988 INFO [stderr] 
Dec 05 14:22:54.417 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
Dec 05 14:22:54.419 INFO [stderr] su: No module specific data is present
Dec 05 14:22:54.907 INFO running `"docker" "inspect" "c6681a7b9ad9bdde32bda505641004a9f7a324b1bf074c7f34b489659dd76f42"`
Dec 05 14:22:55.026 INFO running `"docker" "rm" "-f" "c6681a7b9ad9bdde32bda505641004a9f7a324b1bf074c7f34b489659dd76f42"`
Dec 05 14:22:55.142 INFO [stdout] c6681a7b9ad9bdde32bda505641004a9f7a324b1bf074c7f34b489659dd76f42
Dec 05 14:22:55.146 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-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 05 14:22:55.415 INFO [stdout] 15fc8364dff3616e3165913d73b789869f0fdd5b8c1f4f62a0acfe04e575cb8c
Dec 05 14:22:55.417 INFO running `"docker" "start" "-a" "15fc8364dff3616e3165913d73b789869f0fdd5b8c1f4f62a0acfe04e575cb8c"`
Dec 05 14:22:55.782 INFO [stderr] usermod: no changes
Dec 05 14:22:55.819 INFO [stderr]    Compiling bf v0.0.1 (/source)
Dec 05 14:22:56.059 INFO [stderr] warning: unused import: `std::io::Read`
Dec 05 14:22:56.059 INFO [stderr]  --> src/main.rs:2:5
Dec 05 14:22:56.059 INFO [stderr]   |
Dec 05 14:22:56.059 INFO [stderr] 2 | use std::io::Read;
Dec 05 14:22:56.059 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 05 14:22:56.059 INFO [stderr]   |
Dec 05 14:22:56.059 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 14:22:56.059 INFO [stderr] 
Dec 05 14:22:56.068 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 14:22:56.068 INFO [stderr]   --> src/main.rs:14:22
Dec 05 14:22:56.068 INFO [stderr]    |
Dec 05 14:22:56.068 INFO [stderr] 14 |             b'.' => {output.write(&mut buffer[mptr .. mptr+1]);},
Dec 05 14:22:56.068 INFO [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:22:56.068 INFO [stderr]    |
Dec 05 14:22:56.068 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 14:22:56.068 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 14:22:56.068 INFO [stderr] 
Dec 05 14:22:56.548 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
Dec 05 14:22:56.551 INFO [stderr] su: No module specific data is present
Dec 05 14:22:56.930 INFO running `"docker" "inspect" "15fc8364dff3616e3165913d73b789869f0fdd5b8c1f4f62a0acfe04e575cb8c"`
Dec 05 14:22:57.036 INFO running `"docker" "rm" "-f" "15fc8364dff3616e3165913d73b789869f0fdd5b8c1f4f62a0acfe04e575cb8c"`
Dec 05 14:22:57.157 INFO [stdout] 15fc8364dff3616e3165913d73b789869f0fdd5b8c1f4f62a0acfe04e575cb8c