Nov 30 04:11:04.054 INFO checking dgryski/rust-bf against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 04:11:04.054 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-alt check --frozen --all --all-targets" "-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 30 04:11:04.590 INFO [stdout] de80681151fa21115115d9e70410c63e78ad13dcfc2078f3299161d2a7a3628d
Nov 30 04:11:04.592 INFO running `"docker" "start" "-a" "de80681151fa21115115d9e70410c63e78ad13dcfc2078f3299161d2a7a3628d"`
Nov 30 04:11:06.136 INFO [stderr] usermod: no changes
Nov 30 04:11:06.216 INFO [stderr]     Checking bf v0.1.0 (/source)
Nov 30 04:11:06.868 INFO [stderr] warning: unused variable: `arg1`
Nov 30 04:11:06.868 INFO [stderr]   --> src/main.rs:17:13
Nov 30 04:11:06.868 INFO [stderr]    |
Nov 30 04:11:06.868 INFO [stderr] 17 |     let ref arg1 = args[1];
Nov 30 04:11:06.868 INFO [stderr]    |             ^^^^ help: consider using `_arg1` instead
Nov 30 04:11:06.868 INFO [stderr]    |
Nov 30 04:11:06.868 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 04:11:06.868 INFO [stderr] 
Nov 30 04:11:06.884 INFO [stderr] warning: unused variable: `arg1`
Nov 30 04:11:06.884 INFO [stderr]   --> src/main.rs:17:13
Nov 30 04:11:06.884 INFO [stderr]    |
Nov 30 04:11:06.884 INFO [stderr] 17 |     let ref arg1 = args[1];
Nov 30 04:11:06.884 INFO [stderr]    |             ^^^^ help: consider using `_arg1` instead
Nov 30 04:11:06.884 INFO [stderr]    |
Nov 30 04:11:06.892 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 04:11:06.892 INFO [stderr] 
Nov 30 04:11:06.902 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 04:11:06.902 INFO [stderr]   --> src/main.rs:31:9
Nov 30 04:11:06.902 INFO [stderr]    |
Nov 30 04:11:06.902 INFO [stderr] 31 |         io::stderr().write(err.as_bytes());
Nov 30 04:11:06.902 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 04:11:06.902 INFO [stderr]    |
Nov 30 04:11:06.902 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 04:11:06.902 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 04:11:06.902 INFO [stderr] 
Nov 30 04:11:06.908 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 04:11:06.908 INFO [stderr]   --> src/main.rs:31:9
Nov 30 04:11:06.908 INFO [stderr]    |
Nov 30 04:11:06.908 INFO [stderr] 31 |         io::stderr().write(err.as_bytes());
Nov 30 04:11:06.908 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 04:11:06.908 INFO [stderr]    |
Nov 30 04:11:06.908 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 04:11:06.908 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 04:11:06.908 INFO [stderr] 
Nov 30 04:11:06.996 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
Nov 30 04:11:07.012 INFO [stderr] su: No module specific data is present
Nov 30 04:11:07.954 INFO running `"docker" "inspect" "de80681151fa21115115d9e70410c63e78ad13dcfc2078f3299161d2a7a3628d"`
Nov 30 04:11:08.366 INFO running `"docker" "rm" "-f" "de80681151fa21115115d9e70410c63e78ad13dcfc2078f3299161d2a7a3628d"`
Nov 30 04:11:08.743 INFO [stdout] de80681151fa21115115d9e70410c63e78ad13dcfc2078f3299161d2a7a3628d