Nov 16 19:35:22.421 INFO testing millere/bf against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 16 19:35:22.423 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 19:35:22.626 INFO [stdout] 6e2a66acfa4f8597ca09ec100b05b1b00e1dc96b7bf18ea09d526b75a0332320
Nov 16 19:35:22.632 INFO running `"docker" "start" "-a" "6e2a66acfa4f8597ca09ec100b05b1b00e1dc96b7bf18ea09d526b75a0332320"`
Nov 16 19:35:23.142 INFO [stderr] usermod: no changes
Nov 16 19:35:23.171 INFO [stderr]    Compiling bf v0.0.1 (/source)
Nov 16 19:35:23.399 INFO [stderr] warning: unused import: `std::io::Read`
Nov 16 19:35:23.399 INFO [stderr]  --> src/main.rs:2:5
Nov 16 19:35:23.399 INFO [stderr]   |
Nov 16 19:35:23.399 INFO [stderr] 2 | use std::io::Read;
Nov 16 19:35:23.399 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 16 19:35:23.399 INFO [stderr]   |
Nov 16 19:35:23.399 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 19:35:23.399 INFO [stderr] 
Nov 16 19:35:23.404 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 19:35:23.404 INFO [stderr]   --> src/main.rs:14:22
Nov 16 19:35:23.404 INFO [stderr]    |
Nov 16 19:35:23.404 INFO [stderr] 14 |             b'.' => {output.write(&mut buffer[mptr .. mptr+1]);},
Nov 16 19:35:23.404 INFO [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 19:35:23.404 INFO [stderr]    |
Nov 16 19:35:23.404 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 16 19:35:23.404 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 19:35:23.404 INFO [stderr] 
Nov 16 19:35:23.758 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
Nov 16 19:35:23.760 INFO [stderr] su: No module specific data is present
Nov 16 19:35:24.008 INFO running `"docker" "inspect" "6e2a66acfa4f8597ca09ec100b05b1b00e1dc96b7bf18ea09d526b75a0332320"`
Nov 16 19:35:24.134 INFO running `"docker" "rm" "-f" "6e2a66acfa4f8597ca09ec100b05b1b00e1dc96b7bf18ea09d526b75a0332320"`
Nov 16 19:35:24.305 INFO [stdout] 6e2a66acfa4f8597ca09ec100b05b1b00e1dc96b7bf18ea09d526b75a0332320
Nov 16 19:35:24.309 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 19:35:24.515 INFO [stdout] 3009e82cb14763a97d855aeec141e9316be83b10b37ec5730dfa2422dec8bfee
Nov 16 19:35:24.516 INFO running `"docker" "start" "-a" "3009e82cb14763a97d855aeec141e9316be83b10b37ec5730dfa2422dec8bfee"`
Nov 16 19:35:24.944 INFO [stderr] usermod: no changes
Nov 16 19:35:24.990 INFO [stderr]    Compiling bf v0.0.1 (/source)
Nov 16 19:35:25.234 INFO [stderr] warning: unused import: `std::io::Read`
Nov 16 19:35:25.234 INFO [stderr]  --> src/main.rs:2:5
Nov 16 19:35:25.235 INFO [stderr]   |
Nov 16 19:35:25.235 INFO [stderr] 2 | use std::io::Read;
Nov 16 19:35:25.235 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 16 19:35:25.235 INFO [stderr]   |
Nov 16 19:35:25.235 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 19:35:25.235 INFO [stderr] 
Nov 16 19:35:25.241 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 19:35:25.241 INFO [stderr]   --> src/main.rs:14:22
Nov 16 19:35:25.242 INFO [stderr]    |
Nov 16 19:35:25.242 INFO [stderr] 14 |             b'.' => {output.write(&mut buffer[mptr .. mptr+1]);},
Nov 16 19:35:25.242 INFO [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 19:35:25.242 INFO [stderr]    |
Nov 16 19:35:25.242 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 16 19:35:25.242 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 19:35:25.242 INFO [stderr] 
Nov 16 19:35:25.650 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
Nov 16 19:35:25.652 INFO [stderr] su: No module specific data is present
Nov 16 19:35:25.953 INFO running `"docker" "inspect" "3009e82cb14763a97d855aeec141e9316be83b10b37ec5730dfa2422dec8bfee"`
Nov 16 19:35:26.042 INFO running `"docker" "rm" "-f" "3009e82cb14763a97d855aeec141e9316be83b10b37ec5730dfa2422dec8bfee"`
Nov 16 19:35:26.178 INFO [stdout] 3009e82cb14763a97d855aeec141e9316be83b10b37ec5730dfa2422dec8bfee