Dec 13 21:27:46.032 INFO testing dgryski/rust-bf against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 21:27:46.032 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 21:27:46.480 INFO [stdout] 1969e9cef30baff0f06531bf23a9cd94d3796a563a76b039774a889e84df05c2
Dec 13 21:27:46.482 INFO running `"docker" "start" "-a" "1969e9cef30baff0f06531bf23a9cd94d3796a563a76b039774a889e84df05c2"`
Dec 13 21:27:48.599 INFO [stderr] usermod: no changes
Dec 13 21:27:48.683 INFO [stderr]    Compiling bf v0.1.0 (/source)
Dec 13 21:27:49.231 INFO [stderr] warning: unused variable: `arg1`
Dec 13 21:27:49.231 INFO [stderr]   --> src/main.rs:17:13
Dec 13 21:27:49.231 INFO [stderr]    |
Dec 13 21:27:49.231 INFO [stderr] 17 |     let ref arg1 = args[1];
Dec 13 21:27:49.231 INFO [stderr]    |             ^^^^ help: consider using `_arg1` instead
Dec 13 21:27:49.231 INFO [stderr]    |
Dec 13 21:27:49.231 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 21:27:49.231 INFO [stderr] 
Dec 13 21:27:49.255 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 21:27:49.255 INFO [stderr]   --> src/main.rs:31:9
Dec 13 21:27:49.255 INFO [stderr]    |
Dec 13 21:27:49.255 INFO [stderr] 31 |         io::stderr().write(err.as_bytes());
Dec 13 21:27:49.255 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:27:49.255 INFO [stderr]    |
Dec 13 21:27:49.256 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 21:27:49.256 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 21:27:49.256 INFO [stderr] 
Dec 13 21:27:50.364 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
Dec 13 21:27:50.368 INFO [stderr] su: No module specific data is present
Dec 13 21:27:51.008 INFO running `"docker" "inspect" "1969e9cef30baff0f06531bf23a9cd94d3796a563a76b039774a889e84df05c2"`
Dec 13 21:27:51.219 INFO running `"docker" "rm" "-f" "1969e9cef30baff0f06531bf23a9cd94d3796a563a76b039774a889e84df05c2"`
Dec 13 21:27:51.466 INFO [stdout] 1969e9cef30baff0f06531bf23a9cd94d3796a563a76b039774a889e84df05c2
Dec 13 21:27:51.475 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 21:27:51.854 INFO [stdout] b351b65dbfdc3f14cc59b5ec4274757ea40e892a1098ce7c579f723ed80d8c6d
Dec 13 21:27:51.856 INFO running `"docker" "start" "-a" "b351b65dbfdc3f14cc59b5ec4274757ea40e892a1098ce7c579f723ed80d8c6d"`
Dec 13 21:27:52.787 INFO [stderr] usermod: no changes
Dec 13 21:27:52.851 INFO [stderr]    Compiling bf v0.1.0 (/source)
Dec 13 21:27:53.423 INFO [stderr] warning: unused variable: `arg1`
Dec 13 21:27:53.423 INFO [stderr]   --> src/main.rs:17:13
Dec 13 21:27:53.423 INFO [stderr]    |
Dec 13 21:27:53.423 INFO [stderr] 17 |     let ref arg1 = args[1];
Dec 13 21:27:53.423 INFO [stderr]    |             ^^^^ help: consider using `_arg1` instead
Dec 13 21:27:53.423 INFO [stderr]    |
Dec 13 21:27:53.423 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 21:27:53.423 INFO [stderr] 
Dec 13 21:27:53.451 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 21:27:53.451 INFO [stderr]   --> src/main.rs:31:9
Dec 13 21:27:53.451 INFO [stderr]    |
Dec 13 21:27:53.451 INFO [stderr] 31 |         io::stderr().write(err.as_bytes());
Dec 13 21:27:53.451 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:27:53.451 INFO [stderr]    |
Dec 13 21:27:53.451 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 21:27:53.451 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 21:27:53.451 INFO [stderr] 
Dec 13 21:27:53.755 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
Dec 13 21:27:53.757 INFO [stderr] su: No module specific data is present
Dec 13 21:27:54.262 INFO running `"docker" "inspect" "b351b65dbfdc3f14cc59b5ec4274757ea40e892a1098ce7c579f723ed80d8c6d"`
Dec 13 21:27:54.525 INFO running `"docker" "rm" "-f" "b351b65dbfdc3f14cc59b5ec4274757ea40e892a1098ce7c579f723ed80d8c6d"`
Dec 13 21:27:54.819 INFO [stdout] b351b65dbfdc3f14cc59b5ec4274757ea40e892a1098ce7c579f723ed80d8c6d
Dec 13 21:27:54.821 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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" "-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 21:27:55.226 INFO [stdout] 4e845fd9f2ef9db9f7ca145e1d998b4db70a1a85a487e23234c0801e8d2e1b4f
Dec 13 21:27:55.228 INFO running `"docker" "start" "-a" "4e845fd9f2ef9db9f7ca145e1d998b4db70a1a85a487e23234c0801e8d2e1b4f"`
Dec 13 21:27:56.147 INFO [stderr] usermod: no changes
Dec 13 21:27:56.219 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 13 21:27:56.221 INFO [stderr]      Running /target/debug/deps/bf-d3eb2f8c1dd11a59
Dec 13 21:27:56.238 INFO [stdout] 
Dec 13 21:27:56.238 INFO [stdout] running 0 tests
Dec 13 21:27:56.238 INFO [stdout] 
Dec 13 21:27:56.238 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 21:27:56.238 INFO [stdout] 
Dec 13 21:27:56.239 INFO [stderr] su: No module specific data is present
Dec 13 21:27:56.758 INFO running `"docker" "inspect" "4e845fd9f2ef9db9f7ca145e1d998b4db70a1a85a487e23234c0801e8d2e1b4f"`
Dec 13 21:27:56.895 INFO running `"docker" "rm" "-f" "4e845fd9f2ef9db9f7ca145e1d998b4db70a1a85a487e23234c0801e8d2e1b4f"`
Dec 13 21:27:57.219 INFO [stdout] 4e845fd9f2ef9db9f7ca145e1d998b4db70a1a85a487e23234c0801e8d2e1b4f