Dec 13 10:34:47.196 INFO testing millere/bf against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 10:34:47.196 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 13 10:34:47.373 INFO [stdout] 63a48e211d06fb275f8c6afd496c0ab25c3544ab34f2966d33e1adee4011ada9
Dec 13 10:34:47.375 INFO running `"docker" "start" "-a" "63a48e211d06fb275f8c6afd496c0ab25c3544ab34f2966d33e1adee4011ada9"`
Dec 13 10:34:47.993 INFO [stderr] usermod: no changes
Dec 13 10:34:48.017 INFO [stderr]    Compiling bf v0.0.1 (/source)
Dec 13 10:34:48.244 INFO [stderr] warning: unused import: `std::io::Read`
Dec 13 10:34:48.244 INFO [stderr]  --> src/main.rs:2:5
Dec 13 10:34:48.244 INFO [stderr]   |
Dec 13 10:34:48.244 INFO [stderr] 2 | use std::io::Read;
Dec 13 10:34:48.244 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 13 10:34:48.244 INFO [stderr]   |
Dec 13 10:34:48.244 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 10:34:48.244 INFO [stderr] 
Dec 13 10:34:48.244 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 10:34:48.244 INFO [stderr]   --> src/main.rs:14:22
Dec 13 10:34:48.395 INFO [stderr]    |
Dec 13 10:34:48.395 INFO [stderr] 14 |             b'.' => {output.write(&mut buffer[mptr .. mptr+1]);},
Dec 13 10:34:48.395 INFO [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 10:34:48.395 INFO [stderr]    |
Dec 13 10:34:48.395 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 10:34:48.395 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 10:34:48.395 INFO [stderr] 
Dec 13 10:34:48.505 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
Dec 13 10:34:48.505 INFO [stderr] su: No module specific data is present
Dec 13 10:34:48.830 INFO running `"docker" "inspect" "63a48e211d06fb275f8c6afd496c0ab25c3544ab34f2966d33e1adee4011ada9"`
Dec 13 10:34:48.941 INFO running `"docker" "rm" "-f" "63a48e211d06fb275f8c6afd496c0ab25c3544ab34f2966d33e1adee4011ada9"`
Dec 13 10:34:49.019 INFO [stdout] 63a48e211d06fb275f8c6afd496c0ab25c3544ab34f2966d33e1adee4011ada9
Dec 13 10:34:49.020 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 13 10:34:49.216 INFO [stdout] b7b762e27c8fa3827a652b1299d78d357a4c3c98002c4d188f5c003b70c09f29
Dec 13 10:34:49.219 INFO running `"docker" "start" "-a" "b7b762e27c8fa3827a652b1299d78d357a4c3c98002c4d188f5c003b70c09f29"`
Dec 13 10:34:49.706 INFO [stderr] usermod: no changes
Dec 13 10:34:49.752 INFO [stderr]    Compiling bf v0.0.1 (/source)
Dec 13 10:34:50.092 INFO [stderr] warning: unused import: `std::io::Read`
Dec 13 10:34:50.092 INFO [stderr]  --> src/main.rs:2:5
Dec 13 10:34:50.092 INFO [stderr]   |
Dec 13 10:34:50.092 INFO [stderr] 2 | use std::io::Read;
Dec 13 10:34:50.092 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 13 10:34:50.092 INFO [stderr]   |
Dec 13 10:34:50.092 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 10:34:50.092 INFO [stderr] 
Dec 13 10:34:50.092 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 10:34:50.092 INFO [stderr]   --> src/main.rs:14:22
Dec 13 10:34:50.092 INFO [stderr]    |
Dec 13 10:34:50.092 INFO [stderr] 14 |             b'.' => {output.write(&mut buffer[mptr .. mptr+1]);},
Dec 13 10:34:50.092 INFO [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 10:34:50.092 INFO [stderr]    |
Dec 13 10:34:50.092 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 10:34:50.092 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 10:34:50.092 INFO [stderr] 
Dec 13 10:34:50.659 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
Dec 13 10:34:50.663 INFO [stderr] su: No module specific data is present
Dec 13 10:34:51.045 INFO running `"docker" "inspect" "b7b762e27c8fa3827a652b1299d78d357a4c3c98002c4d188f5c003b70c09f29"`
Dec 13 10:34:51.202 INFO running `"docker" "rm" "-f" "b7b762e27c8fa3827a652b1299d78d357a4c3c98002c4d188f5c003b70c09f29"`
Dec 13 10:34:51.408 INFO [stdout] b7b762e27c8fa3827a652b1299d78d357a4c3c98002c4d188f5c003b70c09f29