Nov 01 07:39:58.834 INFO checking brinchj/rust-sudoku-fun against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 07:39:58.834 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-3/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 01 07:39:59.256 INFO blam! 8ca02faae0d26d6bc60721276a5d82ebaf2572ca63952ef8419598eac13d386d
Nov 01 07:39:59.284 INFO running `"docker" "start" "-a" "8ca02faae0d26d6bc60721276a5d82ebaf2572ca63952ef8419598eac13d386d"`
Nov 01 07:40:00.749 INFO kablam! usermod: no changes
Nov 01 07:40:00.888 INFO kablam!     Checking debug-builders v0.1.0
Nov 01 07:40:00.888 INFO kablam!    Compiling debugtrace v0.1.0
Nov 01 07:40:00.888 INFO kablam!     Checking custom_derive v0.1.7
Nov 01 07:40:00.888 INFO kablam!     Checking either v0.1.7
Nov 01 07:40:00.900 INFO kablam!    Compiling im v10.2.0
Nov 01 07:40:01.976 INFO kablam!     Checking conv v0.3.3
Nov 01 07:40:03.816 INFO kablam!     Checking backtrace v0.1.8
Nov 01 07:40:06.497 INFO kablam!     Checking chomp v0.3.1
Nov 01 07:40:09.891 INFO kablam!     Checking sudokusolver v0.1.0 (/source)
Nov 01 07:40:11.820 INFO kablam! warning: unused `#[macro_use]` import
Nov 01 07:40:11.821 INFO kablam!  --> src/lib.rs:3:1
Nov 01 07:40:11.821 INFO kablam!   |
Nov 01 07:40:11.821 INFO kablam! 3 | #[macro_use]
Nov 01 07:40:11.821 INFO kablam!   | ^^^^^^^^^^^^
Nov 01 07:40:11.821 INFO kablam!   |
Nov 01 07:40:11.821 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 07:40:11.821 INFO kablam! 
Nov 01 07:40:11.968 INFO kablam! warning: unused `#[macro_use]` import
Nov 01 07:40:11.968 INFO kablam!  --> src/lib.rs:3:1
Nov 01 07:40:11.968 INFO kablam!   |
Nov 01 07:40:11.968 INFO kablam! 3 | #[macro_use]
Nov 01 07:40:11.968 INFO kablam!   | ^^^^^^^^^^^^
Nov 01 07:40:11.968 INFO kablam!   |
Nov 01 07:40:11.968 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 07:40:11.969 INFO kablam! 
Nov 01 07:40:12.160 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 01 07:40:12.160 INFO kablam!  --> src/lib.rs:1:12
Nov 01 07:40:12.160 INFO kablam!   |
Nov 01 07:40:12.160 INFO kablam! 1 | #![feature(iterator_step_by)]
Nov 01 07:40:12.160 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Nov 01 07:40:12.160 INFO kablam!   |
Nov 01 07:40:12.161 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 01 07:40:12.161 INFO kablam! 
Nov 01 07:40:12.480 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 01 07:40:12.480 INFO kablam!  --> src/lib.rs:1:12
Nov 01 07:40:12.480 INFO kablam!   |
Nov 01 07:40:12.480 INFO kablam! 1 | #![feature(iterator_step_by)]
Nov 01 07:40:12.480 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Nov 01 07:40:12.488 INFO kablam!   |
Nov 01 07:40:12.488 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 01 07:40:12.488 INFO kablam! 
Nov 01 07:40:14.120 INFO kablam! warning: unused `#[macro_use]` import
Nov 01 07:40:14.128 INFO kablam!  --> src/main.rs:3:1
Nov 01 07:40:14.128 INFO kablam!   |
Nov 01 07:40:14.128 INFO kablam! 3 | #[macro_use]
Nov 01 07:40:14.128 INFO kablam!   | ^^^^^^^^^^^^
Nov 01 07:40:14.128 INFO kablam!   |
Nov 01 07:40:14.128 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 07:40:14.128 INFO kablam! 
Nov 01 07:40:14.216 INFO kablam! warning: unused `#[macro_use]` import
Nov 01 07:40:14.216 INFO kablam!  --> src/main.rs:3:1
Nov 01 07:40:14.216 INFO kablam!   |
Nov 01 07:40:14.216 INFO kablam! 3 | #[macro_use]
Nov 01 07:40:14.216 INFO kablam!   | ^^^^^^^^^^^^
Nov 01 07:40:14.216 INFO kablam!   |
Nov 01 07:40:14.216 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 07:40:14.216 INFO kablam! 
Nov 01 07:40:14.458 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 01 07:40:14.458 INFO kablam!  --> src/main.rs:1:12
Nov 01 07:40:14.459 INFO kablam!   |
Nov 01 07:40:14.459 INFO kablam! 1 | #![feature(iterator_step_by)]
Nov 01 07:40:14.459 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Nov 01 07:40:14.460 INFO kablam!   |
Nov 01 07:40:14.460 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 01 07:40:14.460 INFO kablam! 
Nov 01 07:40:14.528 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 01 07:40:14.529 INFO kablam!  --> src/main.rs:1:12
Nov 01 07:40:14.529 INFO kablam!   |
Nov 01 07:40:14.530 INFO kablam! 1 | #![feature(iterator_step_by)]
Nov 01 07:40:14.530 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Nov 01 07:40:14.531 INFO kablam!   |
Nov 01 07:40:14.531 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 01 07:40:14.532 INFO kablam! 
Nov 01 07:40:14.589 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 13.82s
Nov 01 07:40:14.603 INFO kablam! su: No module specific data is present
Nov 01 07:40:15.782 INFO running `"docker" "rm" "-f" "8ca02faae0d26d6bc60721276a5d82ebaf2572ca63952ef8419598eac13d386d"`
Nov 01 07:40:15.996 INFO blam! 8ca02faae0d26d6bc60721276a5d82ebaf2572ca63952ef8419598eac13d386d