Oct 12 13:05:01.855 INFO checking stephen-lazaro/reuler against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 13:05:01.855 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 12 13:05:02.344 INFO blam! 4ec21aedb9cc5e0c7f772526cbbb189251929d843e68838d16296ce70227b6c3
Oct 12 13:05:02.346 INFO running `"docker" "start" "-a" "4ec21aedb9cc5e0c7f772526cbbb189251929d843e68838d16296ce70227b6c3"`
Oct 12 13:05:04.556 INFO kablam! usermod: no changes
Oct 12 13:05:04.664 INFO kablam!     Checking memchr v0.1.11
Oct 12 13:05:04.664 INFO kablam!     Checking itertools v0.7.3
Oct 12 13:05:04.704 INFO kablam!     Checking thread-id v2.0.0
Oct 12 13:05:05.343 INFO kablam!     Checking thread_local v0.2.7
Oct 12 13:05:05.494 INFO kablam!     Checking aho-corasick v0.5.3
Oct 12 13:05:06.985 INFO kablam!     Checking regex v0.1.80
Oct 12 13:05:08.593 INFO kablam!     Checking reuler v0.1.0 (/source)
Oct 12 13:05:08.719 INFO kablam! warning: unknown lint: `unused_import`
Oct 12 13:05:08.719 INFO kablam!  --> src/lib.rs:5:9
Oct 12 13:05:08.719 INFO kablam!   |
Oct 12 13:05:08.719 INFO kablam! 5 | #[allow(unused_import)]
Oct 12 13:05:08.719 INFO kablam!   |         ^^^^^^^^^^^^^
Oct 12 13:05:08.719 INFO kablam!   |
Oct 12 13:05:08.719 INFO kablam!   = note: #[warn(unknown_lints)] on by default
Oct 12 13:05:08.719 INFO kablam! 
Oct 12 13:05:08.952 INFO kablam! warning: unused `#[macro_use]` import
Oct 12 13:05:08.953 INFO kablam!  --> src/lib.rs:3:1
Oct 12 13:05:08.954 INFO kablam!   |
Oct 12 13:05:08.955 INFO kablam! 3 | #[macro_use] extern crate itertools;
Oct 12 13:05:08.955 INFO kablam!   | ^^^^^^^^^^^^
Oct 12 13:05:08.956 INFO kablam!   |
Oct 12 13:05:08.956 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 13:05:08.957 INFO kablam! 
Oct 12 13:05:09.204 INFO kablam! warning: value assigned to `triangular_num` is never read
Oct 12 13:05:09.204 INFO kablam!  --> src/eulers/twelve.rs:6:13
Oct 12 13:05:09.204 INFO kablam!   |
Oct 12 13:05:09.204 INFO kablam! 6 |     let mut triangular_num = Some(6);
Oct 12 13:05:09.204 INFO kablam!   |             ^^^^^^^^^^^^^^
Oct 12 13:05:09.204 INFO kablam!   |
Oct 12 13:05:09.204 INFO kablam!   = note: #[warn(unused_assignments)] on by default
Oct 12 13:05:09.204 INFO kablam! 
Oct 12 13:05:09.269 INFO kablam! warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
Oct 12 13:05:09.269 INFO kablam!  --> src/lib.rs:1:12
Oct 12 13:05:09.269 INFO kablam!   |
Oct 12 13:05:09.269 INFO kablam! 1 | #![feature(inclusive_range_syntax)]
Oct 12 13:05:09.269 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^
Oct 12 13:05:09.269 INFO kablam!   |
Oct 12 13:05:09.269 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 12 13:05:09.269 INFO kablam! 
Oct 12 13:05:09.280 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Oct 12 13:05:09.280 INFO kablam!  --> src/lib.rs:2:12
Oct 12 13:05:09.280 INFO kablam!   |
Oct 12 13:05:09.280 INFO kablam! 2 | #![feature(iterator_step_by)]
Oct 12 13:05:09.280 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Oct 12 13:05:09.280 INFO kablam! 
Oct 12 13:05:09.507 INFO kablam! warning: unknown lint: `unused_import`
Oct 12 13:05:09.507 INFO kablam!  --> src/main.rs:5:9
Oct 12 13:05:09.508 INFO kablam!   |
Oct 12 13:05:09.508 INFO kablam! 5 | #[allow(unused_import)]
Oct 12 13:05:09.508 INFO kablam!   |         ^^^^^^^^^^^^^
Oct 12 13:05:09.509 INFO kablam!   |
Oct 12 13:05:09.509 INFO kablam!   = note: #[warn(unknown_lints)] on by default
Oct 12 13:05:09.509 INFO kablam! 
Oct 12 13:05:09.644 INFO kablam! warning: unused `#[macro_use]` import
Oct 12 13:05:09.645 INFO kablam!  --> src/main.rs:3:1
Oct 12 13:05:09.645 INFO kablam!   |
Oct 12 13:05:09.645 INFO kablam! 3 | #[macro_use] extern crate itertools;
Oct 12 13:05:09.646 INFO kablam!   | ^^^^^^^^^^^^
Oct 12 13:05:09.646 INFO kablam!   |
Oct 12 13:05:09.646 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 13:05:09.647 INFO kablam! 
Oct 12 13:05:09.888 INFO kablam! warning: value assigned to `triangular_num` is never read
Oct 12 13:05:09.889 INFO kablam!  --> src/eulers/twelve.rs:6:13
Oct 12 13:05:09.890 INFO kablam!   |
Oct 12 13:05:09.891 INFO kablam! 6 |     let mut triangular_num = Some(6);
Oct 12 13:05:09.891 INFO kablam!   |             ^^^^^^^^^^^^^^
Oct 12 13:05:09.896 INFO kablam!   |
Oct 12 13:05:09.897 INFO kablam!   = note: #[warn(unused_assignments)] on by default
Oct 12 13:05:09.897 INFO kablam! 
Oct 12 13:05:09.985 INFO kablam! warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
Oct 12 13:05:09.986 INFO kablam!  --> src/main.rs:1:12
Oct 12 13:05:09.986 INFO kablam!   |
Oct 12 13:05:09.987 INFO kablam! 1 | #![feature(inclusive_range_syntax)]
Oct 12 13:05:09.987 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^
Oct 12 13:05:09.988 INFO kablam!   |
Oct 12 13:05:09.988 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 12 13:05:09.988 INFO kablam! 
Oct 12 13:05:09.990 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Oct 12 13:05:09.990 INFO kablam!  --> src/main.rs:2:12
Oct 12 13:05:09.991 INFO kablam!   |
Oct 12 13:05:09.991 INFO kablam! 2 | #![feature(iterator_step_by)]
Oct 12 13:05:09.991 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Oct 12 13:05:09.996 INFO kablam! 
Oct 12 13:05:10.641 INFO kablam!     Checking env_logger v0.3.5
Oct 12 13:05:11.145 INFO kablam!     Checking quickcheck v0.3.2
Oct 12 13:05:13.033 INFO kablam! warning: unknown lint: `unused_import`
Oct 12 13:05:13.033 INFO kablam!  --> src/lib.rs:5:9
Oct 12 13:05:13.033 INFO kablam!   |
Oct 12 13:05:13.033 INFO kablam! 5 | #[allow(unused_import)]
Oct 12 13:05:13.034 INFO kablam!   |         ^^^^^^^^^^^^^
Oct 12 13:05:13.034 INFO kablam!   |
Oct 12 13:05:13.034 INFO kablam!   = note: #[warn(unknown_lints)] on by default
Oct 12 13:05:13.034 INFO kablam! 
Oct 12 13:05:13.068 INFO kablam! warning: unknown lint: `unused_import`
Oct 12 13:05:13.068 INFO kablam!  --> src/main.rs:5:9
Oct 12 13:05:13.068 INFO kablam!   |
Oct 12 13:05:13.068 INFO kablam! 5 | #[allow(unused_import)]
Oct 12 13:05:13.068 INFO kablam!   |         ^^^^^^^^^^^^^
Oct 12 13:05:13.069 INFO kablam!   |
Oct 12 13:05:13.069 INFO kablam!   = note: #[warn(unknown_lints)] on by default
Oct 12 13:05:13.069 INFO kablam! 
Oct 12 13:05:13.314 INFO kablam! warning: unused `#[macro_use]` import
Oct 12 13:05:13.314 INFO kablam!  --> src/main.rs:3:1
Oct 12 13:05:13.314 INFO kablam!   |
Oct 12 13:05:13.314 INFO kablam! 3 | #[macro_use] extern crate itertools;
Oct 12 13:05:13.315 INFO kablam!   | ^^^^^^^^^^^^
Oct 12 13:05:13.315 INFO kablam!   |
Oct 12 13:05:13.315 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 13:05:13.315 INFO kablam! 
Oct 12 13:05:13.496 INFO kablam! warning: unused `#[macro_use]` import
Oct 12 13:05:13.496 INFO kablam!  --> src/lib.rs:3:1
Oct 12 13:05:13.496 INFO kablam!   |
Oct 12 13:05:13.496 INFO kablam! 3 | #[macro_use] extern crate itertools;
Oct 12 13:05:13.496 INFO kablam!   | ^^^^^^^^^^^^
Oct 12 13:05:13.496 INFO kablam!   |
Oct 12 13:05:13.496 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 13:05:13.497 INFO kablam! 
Oct 12 13:05:13.608 INFO kablam! warning: value assigned to `triangular_num` is never read
Oct 12 13:05:13.609 INFO kablam!  --> src/eulers/twelve.rs:6:13
Oct 12 13:05:13.609 INFO kablam!   |
Oct 12 13:05:13.609 INFO kablam! 6 |     let mut triangular_num = Some(6);
Oct 12 13:05:13.609 INFO kablam!   |             ^^^^^^^^^^^^^^
Oct 12 13:05:13.610 INFO kablam!   |
Oct 12 13:05:13.610 INFO kablam!   = note: #[warn(unused_assignments)] on by default
Oct 12 13:05:13.610 INFO kablam! 
Oct 12 13:05:13.685 INFO kablam! warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
Oct 12 13:05:13.685 INFO kablam!  --> src/main.rs:1:12
Oct 12 13:05:13.685 INFO kablam!   |
Oct 12 13:05:13.685 INFO kablam! 1 | #![feature(inclusive_range_syntax)]
Oct 12 13:05:13.685 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^
Oct 12 13:05:13.685 INFO kablam!   |
Oct 12 13:05:13.685 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 12 13:05:13.686 INFO kablam! 
Oct 12 13:05:13.686 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Oct 12 13:05:13.686 INFO kablam!  --> src/main.rs:2:12
Oct 12 13:05:13.686 INFO kablam!   |
Oct 12 13:05:13.686 INFO kablam! 2 | #![feature(iterator_step_by)]
Oct 12 13:05:13.686 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Oct 12 13:05:13.687 INFO kablam! 
Oct 12 13:05:13.860 INFO kablam! warning: value assigned to `triangular_num` is never read
Oct 12 13:05:13.860 INFO kablam!  --> src/eulers/twelve.rs:6:13
Oct 12 13:05:13.860 INFO kablam!   |
Oct 12 13:05:13.861 INFO kablam! 6 |     let mut triangular_num = Some(6);
Oct 12 13:05:13.861 INFO kablam!   |             ^^^^^^^^^^^^^^
Oct 12 13:05:13.861 INFO kablam!   |
Oct 12 13:05:13.862 INFO kablam!   = note: #[warn(unused_assignments)] on by default
Oct 12 13:05:13.862 INFO kablam! 
Oct 12 13:05:13.912 INFO kablam! warning: struct is never constructed: `Valid`
Oct 12 13:05:13.912 INFO kablam!   --> src/lib.rs:15:5
Oct 12 13:05:13.912 INFO kablam!    |
Oct 12 13:05:13.912 INFO kablam! 15 |     pub struct Valid <A : Testable> (A);
Oct 12 13:05:13.912 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 13:05:13.912 INFO kablam!    |
Oct 12 13:05:13.912 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 13:05:13.912 INFO kablam! 
Oct 12 13:05:13.912 INFO kablam! warning: struct is never constructed: `Invalid`
Oct 12 13:05:13.912 INFO kablam!   --> src/lib.rs:16:5
Oct 12 13:05:13.912 INFO kablam!    |
Oct 12 13:05:13.913 INFO kablam! 16 |     pub struct Invalid <A : Testable> (A);
Oct 12 13:05:13.913 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 13:05:13.913 INFO kablam! 
Oct 12 13:05:13.913 INFO kablam! warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
Oct 12 13:05:13.913 INFO kablam!  --> src/lib.rs:1:12
Oct 12 13:05:13.913 INFO kablam!   |
Oct 12 13:05:13.913 INFO kablam! 1 | #![feature(inclusive_range_syntax)]
Oct 12 13:05:13.913 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^
Oct 12 13:05:13.913 INFO kablam!   |
Oct 12 13:05:13.913 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 12 13:05:13.913 INFO kablam! 
Oct 12 13:05:13.913 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Oct 12 13:05:13.913 INFO kablam!  --> src/lib.rs:2:12
Oct 12 13:05:13.913 INFO kablam!   |
Oct 12 13:05:13.913 INFO kablam! 2 | #![feature(iterator_step_by)]
Oct 12 13:05:13.913 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Oct 12 13:05:13.913 INFO kablam! 
Oct 12 13:05:13.966 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.39s
Oct 12 13:05:13.977 INFO kablam! su: No module specific data is present
Oct 12 13:05:15.703 INFO running `"docker" "rm" "-f" "4ec21aedb9cc5e0c7f772526cbbb189251929d843e68838d16296ce70227b6c3"`
Oct 12 13:05:16.076 INFO blam! 4ec21aedb9cc5e0c7f772526cbbb189251929d843e68838d16296ce70227b6c3