Dec 13 10:34:47.469 INFO testing millere/bf against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 10:34:47.469 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 10:34:47.808 INFO [stdout] 352fd617e6ad6c1a0ec29147b5d962b4fa65fa3eaf1b2ead7eb22ae9f0a33f3c
Dec 13 10:34:47.810 INFO running `"docker" "start" "-a" "352fd617e6ad6c1a0ec29147b5d962b4fa65fa3eaf1b2ead7eb22ae9f0a33f3c"`
Dec 13 10:34:48.169 INFO [stderr] usermod: no changes
Dec 13 10:34:48.190 INFO [stderr]    Compiling bf v0.0.1 (/source)
Dec 13 10:34:48.398 INFO [stderr] warning: unused import: `std::io::Read`
Dec 13 10:34:48.399 INFO [stderr]  --> src/main.rs:2:5
Dec 13 10:34:48.399 INFO [stderr]   |
Dec 13 10:34:48.399 INFO [stderr] 2 | use std::io::Read;
Dec 13 10:34:48.399 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 13 10:34:48.399 INFO [stderr]   |
Dec 13 10:34:48.399 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 10:34:48.399 INFO [stderr] 
Dec 13 10:34:48.404 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 10:34:48.404 INFO [stderr]   --> src/main.rs:14:22
Dec 13 10:34:48.404 INFO [stderr]    |
Dec 13 10:34:48.404 INFO [stderr] 14 |             b'.' => {output.write(&mut buffer[mptr .. mptr+1]);},
Dec 13 10:34:48.404 INFO [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 10:34:48.404 INFO [stderr]    |
Dec 13 10:34:48.404 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 10:34:48.404 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 10:34:48.404 INFO [stderr] 
Dec 13 10:34:48.691 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
Dec 13 10:34:48.692 INFO [stderr] su: No module specific data is present
Dec 13 10:34:48.941 INFO running `"docker" "inspect" "352fd617e6ad6c1a0ec29147b5d962b4fa65fa3eaf1b2ead7eb22ae9f0a33f3c"`
Dec 13 10:34:49.132 INFO running `"docker" "rm" "-f" "352fd617e6ad6c1a0ec29147b5d962b4fa65fa3eaf1b2ead7eb22ae9f0a33f3c"`
Dec 13 10:34:49.217 INFO [stdout] 352fd617e6ad6c1a0ec29147b5d962b4fa65fa3eaf1b2ead7eb22ae9f0a33f3c
Dec 13 10:34:49.219 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 10:34:49.419 INFO [stdout] c505373ea0417a151dc8f8075a74dac311b33bb7e25f2012f18c97c37877d7bd
Dec 13 10:34:49.419 INFO running `"docker" "start" "-a" "c505373ea0417a151dc8f8075a74dac311b33bb7e25f2012f18c97c37877d7bd"`
Dec 13 10:34:49.905 INFO [stderr] usermod: no changes
Dec 13 10:34:49.961 INFO [stderr]    Compiling bf v0.0.1 (/source)
Dec 13 10:34:50.287 INFO [stderr] warning: unused import: `std::io::Read`
Dec 13 10:34:50.287 INFO [stderr]  --> src/main.rs:2:5
Dec 13 10:34:50.287 INFO [stderr]   |
Dec 13 10:34:50.287 INFO [stderr] 2 | use std::io::Read;
Dec 13 10:34:50.287 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 13 10:34:50.287 INFO [stderr]   |
Dec 13 10:34:50.295 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 10:34:50.295 INFO [stderr] 
Dec 13 10:34:50.295 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 10:34:50.295 INFO [stderr]   --> src/main.rs:14:22
Dec 13 10:34:50.295 INFO [stderr]    |
Dec 13 10:34:50.295 INFO [stderr] 14 |             b'.' => {output.write(&mut buffer[mptr .. mptr+1]);},
Dec 13 10:34:50.295 INFO [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 10:34:50.295 INFO [stderr]    |
Dec 13 10:34:50.295 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 10:34:50.295 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 10:34:50.295 INFO [stderr] 
Dec 13 10:34:50.781 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
Dec 13 10:34:50.783 INFO [stderr] su: No module specific data is present
Dec 13 10:34:51.168 INFO running `"docker" "inspect" "c505373ea0417a151dc8f8075a74dac311b33bb7e25f2012f18c97c37877d7bd"`
Dec 13 10:34:51.369 INFO running `"docker" "rm" "-f" "c505373ea0417a151dc8f8075a74dac311b33bb7e25f2012f18c97c37877d7bd"`
Dec 13 10:34:51.509 INFO [stdout] c505373ea0417a151dc8f8075a74dac311b33bb7e25f2012f18c97c37877d7bd