Oct 13 00:10:15.261 INFO checking brinchj/rust-sudoku-fun against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 00:10:15.261 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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"`
Oct 13 00:10:15.692 INFO blam! a63fe86153b5b80afd70df8c3b6c998e7d55743ed78c212bb513fc5f6a22daef
Oct 13 00:10:15.696 INFO running `"docker" "start" "-a" "a63fe86153b5b80afd70df8c3b6c998e7d55743ed78c212bb513fc5f6a22daef"`
Oct 13 00:10:17.472 INFO kablam! usermod: no changes
Oct 13 00:10:17.662 INFO kablam!    Compiling debugtrace v0.1.0
Oct 13 00:10:17.664 INFO kablam!     Checking debug-builders v0.1.0
Oct 13 00:10:17.664 INFO kablam!     Checking either v0.1.7
Oct 13 00:10:17.665 INFO kablam!     Checking conv v0.3.3
Oct 13 00:10:19.864 INFO kablam!     Checking backtrace v0.1.8
Oct 13 00:10:22.466 INFO kablam!     Checking chomp v0.3.1
Oct 13 00:10:24.542 INFO kablam!     Checking sudokusolver v0.1.0 (/source)
Oct 13 00:10:26.708 INFO kablam! warning: unused `#[macro_use]` import
Oct 13 00:10:26.708 INFO kablam!  --> src/lib.rs:3:1
Oct 13 00:10:26.709 INFO kablam!   |
Oct 13 00:10:26.709 INFO kablam! 3 | #[macro_use]
Oct 13 00:10:26.709 INFO kablam!   | ^^^^^^^^^^^^
Oct 13 00:10:26.710 INFO kablam!   |
Oct 13 00:10:26.710 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 00:10:26.710 INFO kablam! 
Oct 13 00:10:26.964 INFO kablam! warning: unused `#[macro_use]` import
Oct 13 00:10:26.965 INFO kablam!  --> src/lib.rs:3:1
Oct 13 00:10:26.966 INFO kablam!   |
Oct 13 00:10:26.967 INFO kablam! 3 | #[macro_use]
Oct 13 00:10:26.967 INFO kablam!   | ^^^^^^^^^^^^
Oct 13 00:10:26.968 INFO kablam!   |
Oct 13 00:10:26.969 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 00:10:26.969 INFO kablam! 
Oct 13 00:10:27.080 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Oct 13 00:10:27.081 INFO kablam!  --> src/lib.rs:1:12
Oct 13 00:10:27.081 INFO kablam!   |
Oct 13 00:10:27.082 INFO kablam! 1 | #![feature(iterator_step_by)]
Oct 13 00:10:27.083 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Oct 13 00:10:27.083 INFO kablam!   |
Oct 13 00:10:27.084 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 13 00:10:27.084 INFO kablam! 
Oct 13 00:10:27.500 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Oct 13 00:10:27.500 INFO kablam!  --> src/lib.rs:1:12
Oct 13 00:10:27.501 INFO kablam!   |
Oct 13 00:10:27.502 INFO kablam! 1 | #![feature(iterator_step_by)]
Oct 13 00:10:27.502 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Oct 13 00:10:27.524 INFO kablam!   |
Oct 13 00:10:27.525 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 13 00:10:27.526 INFO kablam! 
Oct 13 00:10:29.338 INFO kablam! warning: unused `#[macro_use]` import
Oct 13 00:10:29.339 INFO kablam!  --> src/main.rs:3:1
Oct 13 00:10:29.340 INFO kablam!   |
Oct 13 00:10:29.341 INFO kablam! 3 | #[macro_use]
Oct 13 00:10:29.341 INFO kablam!   | ^^^^^^^^^^^^
Oct 13 00:10:29.342 INFO kablam!   |
Oct 13 00:10:29.343 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 00:10:29.343 INFO kablam! 
Oct 13 00:10:29.412 INFO kablam! warning: unused `#[macro_use]` import
Oct 13 00:10:29.412 INFO kablam!  --> src/main.rs:3:1
Oct 13 00:10:29.412 INFO kablam!   |
Oct 13 00:10:29.412 INFO kablam! 3 | #[macro_use]
Oct 13 00:10:29.413 INFO kablam!   | ^^^^^^^^^^^^
Oct 13 00:10:29.413 INFO kablam!   |
Oct 13 00:10:29.413 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 00:10:29.413 INFO kablam! 
Oct 13 00:10:29.656 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Oct 13 00:10:29.656 INFO kablam!  --> src/main.rs:1:12
Oct 13 00:10:29.656 INFO kablam!   |
Oct 13 00:10:29.656 INFO kablam! 1 | #![feature(iterator_step_by)]
Oct 13 00:10:29.656 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Oct 13 00:10:29.656 INFO kablam!   |
Oct 13 00:10:29.656 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 13 00:10:29.656 INFO kablam! 
Oct 13 00:10:29.676 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Oct 13 00:10:29.676 INFO kablam!  --> src/main.rs:1:12
Oct 13 00:10:29.676 INFO kablam!   |
Oct 13 00:10:29.676 INFO kablam! 1 | #![feature(iterator_step_by)]
Oct 13 00:10:29.676 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Oct 13 00:10:29.676 INFO kablam!   |
Oct 13 00:10:29.676 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 13 00:10:29.676 INFO kablam! 
Oct 13 00:10:29.740 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 12.23s
Oct 13 00:10:29.760 INFO kablam! su: No module specific data is present
Oct 13 00:10:30.922 INFO running `"docker" "rm" "-f" "a63fe86153b5b80afd70df8c3b6c998e7d55743ed78c212bb513fc5f6a22daef"`
Oct 13 00:10:31.292 INFO blam! a63fe86153b5b80afd70df8c3b6c998e7d55743ed78c212bb513fc5f6a22daef