Nov 02 05:58:19.967 INFO checking stephen-lazaro/reuler against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 05:58:19.969 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-7/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 02 05:58:20.404 INFO blam! 712defcd721452cdfd6da27cbe3ccf3cd0d2f7a3e31291cc6637d27d69d4c01e
Nov 02 05:58:20.407 INFO running `"docker" "start" "-a" "712defcd721452cdfd6da27cbe3ccf3cd0d2f7a3e31291cc6637d27d69d4c01e"`
Nov 02 05:58:22.132 INFO kablam! usermod: no changes
Nov 02 05:58:22.265 INFO kablam!     Checking memchr v0.1.11
Nov 02 05:58:22.270 INFO kablam!     Checking itertools v0.7.3
Nov 02 05:58:22.272 INFO kablam!     Checking thread-id v2.0.0
Nov 02 05:58:22.981 INFO kablam!     Checking aho-corasick v0.5.3
Nov 02 05:58:22.993 INFO kablam!     Checking thread_local v0.2.7
Nov 02 05:58:24.100 INFO kablam!     Checking regex v0.1.80
Nov 02 05:58:25.917 INFO kablam!     Checking reuler v0.1.0 (/source)
Nov 02 05:58:26.084 INFO kablam! warning: unknown lint: `unused_import`
Nov 02 05:58:26.084 INFO kablam!  --> src/lib.rs:5:9
Nov 02 05:58:26.084 INFO kablam!   |
Nov 02 05:58:26.084 INFO kablam! 5 | #[allow(unused_import)]
Nov 02 05:58:26.084 INFO kablam!   |         ^^^^^^^^^^^^^
Nov 02 05:58:26.084 INFO kablam!   |
Nov 02 05:58:26.084 INFO kablam!   = note: #[warn(unknown_lints)] on by default
Nov 02 05:58:26.084 INFO kablam! 
Nov 02 05:58:26.344 INFO kablam! warning: unused `#[macro_use]` import
Nov 02 05:58:26.345 INFO kablam!  --> src/lib.rs:3:1
Nov 02 05:58:26.346 INFO kablam!   |
Nov 02 05:58:26.347 INFO kablam! 3 | #[macro_use] extern crate itertools;
Nov 02 05:58:26.347 INFO kablam!   | ^^^^^^^^^^^^
Nov 02 05:58:26.348 INFO kablam!   |
Nov 02 05:58:26.349 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 05:58:26.349 INFO kablam! 
Nov 02 05:58:26.596 INFO kablam! warning: value assigned to `triangular_num` is never read
Nov 02 05:58:26.597 INFO kablam!  --> src/eulers/twelve.rs:6:13
Nov 02 05:58:26.598 INFO kablam!   |
Nov 02 05:58:26.599 INFO kablam! 6 |     let mut triangular_num = Some(6);
Nov 02 05:58:26.599 INFO kablam!   |             ^^^^^^^^^^^^^^
Nov 02 05:58:26.600 INFO kablam!   |
Nov 02 05:58:26.601 INFO kablam!   = note: #[warn(unused_assignments)] on by default
Nov 02 05:58:26.601 INFO kablam! 
Nov 02 05:58:26.657 INFO kablam! warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 02 05:58:26.658 INFO kablam!  --> src/lib.rs:1:12
Nov 02 05:58:26.658 INFO kablam!   |
Nov 02 05:58:26.659 INFO kablam! 1 | #![feature(inclusive_range_syntax)]
Nov 02 05:58:26.659 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^
Nov 02 05:58:26.660 INFO kablam!   |
Nov 02 05:58:26.661 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 02 05:58:26.661 INFO kablam! 
Nov 02 05:58:26.668 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 02 05:58:26.669 INFO kablam!  --> src/lib.rs:2:12
Nov 02 05:58:26.669 INFO kablam!   |
Nov 02 05:58:26.670 INFO kablam! 2 | #![feature(iterator_step_by)]
Nov 02 05:58:26.671 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Nov 02 05:58:26.671 INFO kablam! 
Nov 02 05:58:26.956 INFO kablam! warning: unknown lint: `unused_import`
Nov 02 05:58:26.956 INFO kablam!  --> src/main.rs:5:9
Nov 02 05:58:26.956 INFO kablam!   |
Nov 02 05:58:26.956 INFO kablam! 5 | #[allow(unused_import)]
Nov 02 05:58:26.956 INFO kablam!   |         ^^^^^^^^^^^^^
Nov 02 05:58:26.956 INFO kablam!   |
Nov 02 05:58:26.957 INFO kablam!   = note: #[warn(unknown_lints)] on by default
Nov 02 05:58:26.957 INFO kablam! 
Nov 02 05:58:27.170 INFO kablam! warning: unused `#[macro_use]` import
Nov 02 05:58:27.171 INFO kablam!  --> src/main.rs:3:1
Nov 02 05:58:27.172 INFO kablam!   |
Nov 02 05:58:27.172 INFO kablam! 3 | #[macro_use] extern crate itertools;
Nov 02 05:58:27.173 INFO kablam!   | ^^^^^^^^^^^^
Nov 02 05:58:27.173 INFO kablam!   |
Nov 02 05:58:27.174 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 05:58:27.175 INFO kablam! 
Nov 02 05:58:27.464 INFO kablam! warning: value assigned to `triangular_num` is never read
Nov 02 05:58:27.465 INFO kablam!  --> src/eulers/twelve.rs:6:13
Nov 02 05:58:27.466 INFO kablam!   |
Nov 02 05:58:27.467 INFO kablam! 6 |     let mut triangular_num = Some(6);
Nov 02 05:58:27.467 INFO kablam!   |             ^^^^^^^^^^^^^^
Nov 02 05:58:27.468 INFO kablam!   |
Nov 02 05:58:27.469 INFO kablam!   = note: #[warn(unused_assignments)] on by default
Nov 02 05:58:27.469 INFO kablam! 
Nov 02 05:58:27.566 INFO kablam! warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 02 05:58:27.566 INFO kablam!  --> src/main.rs:1:12
Nov 02 05:58:27.567 INFO kablam!   |
Nov 02 05:58:27.568 INFO kablam! 1 | #![feature(inclusive_range_syntax)]
Nov 02 05:58:27.569 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^
Nov 02 05:58:27.569 INFO kablam!   |
Nov 02 05:58:27.570 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 02 05:58:27.570 INFO kablam! 
Nov 02 05:58:27.572 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 02 05:58:27.572 INFO kablam!  --> src/main.rs:2:12
Nov 02 05:58:27.573 INFO kablam!   |
Nov 02 05:58:27.573 INFO kablam! 2 | #![feature(iterator_step_by)]
Nov 02 05:58:27.574 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Nov 02 05:58:27.574 INFO kablam! 
Nov 02 05:58:28.291 INFO kablam!     Checking env_logger v0.3.5
Nov 02 05:58:28.757 INFO kablam!     Checking quickcheck v0.3.2
Nov 02 05:58:30.528 INFO kablam! warning: unknown lint: `unused_import`
Nov 02 05:58:30.529 INFO kablam!  --> src/main.rs:5:9
Nov 02 05:58:30.530 INFO kablam!   |
Nov 02 05:58:30.531 INFO kablam! 5 | #[allow(unused_import)]
Nov 02 05:58:30.531 INFO kablam!   |         ^^^^^^^^^^^^^
Nov 02 05:58:30.532 INFO kablam!   |
Nov 02 05:58:30.532 INFO kablam!   = note: #[warn(unknown_lints)] on by default
Nov 02 05:58:30.532 INFO kablam! 
Nov 02 05:58:30.538 INFO kablam! warning: unknown lint: `unused_import`
Nov 02 05:58:30.538 INFO kablam!  --> src/lib.rs:5:9
Nov 02 05:58:30.539 INFO kablam!   |
Nov 02 05:58:30.539 INFO kablam! 5 | #[allow(unused_import)]
Nov 02 05:58:30.539 INFO kablam!   |         ^^^^^^^^^^^^^
Nov 02 05:58:30.539 INFO kablam!   |
Nov 02 05:58:30.540 INFO kablam!   = note: #[warn(unknown_lints)] on by default
Nov 02 05:58:30.540 INFO kablam! 
Nov 02 05:58:30.704 INFO kablam! warning: unused `#[macro_use]` import
Nov 02 05:58:30.704 INFO kablam!  --> src/main.rs:3:1
Nov 02 05:58:30.705 INFO kablam!   |
Nov 02 05:58:30.705 INFO kablam! 3 | #[macro_use] extern crate itertools;
Nov 02 05:58:30.705 INFO kablam!   | ^^^^^^^^^^^^
Nov 02 05:58:30.705 INFO kablam!   |
Nov 02 05:58:30.706 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 05:58:30.706 INFO kablam! 
Nov 02 05:58:31.021 INFO kablam! warning: unused `#[macro_use]` import
Nov 02 05:58:31.021 INFO kablam!  --> src/lib.rs:3:1
Nov 02 05:58:31.022 INFO kablam!   |
Nov 02 05:58:31.022 INFO kablam! 3 | #[macro_use] extern crate itertools;
Nov 02 05:58:31.022 INFO kablam!   | ^^^^^^^^^^^^
Nov 02 05:58:31.022 INFO kablam!   |
Nov 02 05:58:31.023 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 05:58:31.023 INFO kablam! 
Nov 02 05:58:31.036 INFO kablam! warning: value assigned to `triangular_num` is never read
Nov 02 05:58:31.037 INFO kablam!  --> src/eulers/twelve.rs:6:13
Nov 02 05:58:31.037 INFO kablam!   |
Nov 02 05:58:31.037 INFO kablam! 6 |     let mut triangular_num = Some(6);
Nov 02 05:58:31.038 INFO kablam!   |             ^^^^^^^^^^^^^^
Nov 02 05:58:31.038 INFO kablam!   |
Nov 02 05:58:31.038 INFO kablam!   = note: #[warn(unused_assignments)] on by default
Nov 02 05:58:31.039 INFO kablam! 
Nov 02 05:58:31.163 INFO kablam! warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 02 05:58:31.164 INFO kablam!  --> src/main.rs:1:12
Nov 02 05:58:31.164 INFO kablam!   |
Nov 02 05:58:31.164 INFO kablam! 1 | #![feature(inclusive_range_syntax)]
Nov 02 05:58:31.165 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^
Nov 02 05:58:31.169 INFO kablam!   |
Nov 02 05:58:31.169 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 02 05:58:31.169 INFO kablam! 
Nov 02 05:58:31.170 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 02 05:58:31.170 INFO kablam!  --> src/main.rs:2:12
Nov 02 05:58:31.170 INFO kablam!   |
Nov 02 05:58:31.171 INFO kablam! 2 | #![feature(iterator_step_by)]
Nov 02 05:58:31.171 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Nov 02 05:58:31.171 INFO kablam! 
Nov 02 05:58:31.304 INFO kablam! warning: value assigned to `triangular_num` is never read
Nov 02 05:58:31.305 INFO kablam!  --> src/eulers/twelve.rs:6:13
Nov 02 05:58:31.305 INFO kablam!   |
Nov 02 05:58:31.305 INFO kablam! 6 |     let mut triangular_num = Some(6);
Nov 02 05:58:31.306 INFO kablam!   |             ^^^^^^^^^^^^^^
Nov 02 05:58:31.306 INFO kablam!   |
Nov 02 05:58:31.306 INFO kablam!   = note: #[warn(unused_assignments)] on by default
Nov 02 05:58:31.307 INFO kablam! 
Nov 02 05:58:31.359 INFO kablam! warning: struct is never constructed: `Valid`
Nov 02 05:58:31.359 INFO kablam!   --> src/lib.rs:15:5
Nov 02 05:58:31.360 INFO kablam!    |
Nov 02 05:58:31.360 INFO kablam! 15 |     pub struct Valid <A : Testable> (A);
Nov 02 05:58:31.360 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 05:58:31.361 INFO kablam!    |
Nov 02 05:58:31.361 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 02 05:58:31.361 INFO kablam! 
Nov 02 05:58:31.361 INFO kablam! warning: struct is never constructed: `Invalid`
Nov 02 05:58:31.362 INFO kablam!   --> src/lib.rs:16:5
Nov 02 05:58:31.362 INFO kablam!    |
Nov 02 05:58:31.362 INFO kablam! 16 |     pub struct Invalid <A : Testable> (A);
Nov 02 05:58:31.362 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 05:58:31.363 INFO kablam! 
Nov 02 05:58:31.363 INFO kablam! warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 02 05:58:31.363 INFO kablam!  --> src/lib.rs:1:12
Nov 02 05:58:31.363 INFO kablam!   |
Nov 02 05:58:31.364 INFO kablam! 1 | #![feature(inclusive_range_syntax)]
Nov 02 05:58:31.364 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^
Nov 02 05:58:31.364 INFO kablam!   |
Nov 02 05:58:31.364 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 02 05:58:31.365 INFO kablam! 
Nov 02 05:58:31.365 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 02 05:58:31.365 INFO kablam!  --> src/lib.rs:2:12
Nov 02 05:58:31.365 INFO kablam!   |
Nov 02 05:58:31.366 INFO kablam! 2 | #![feature(iterator_step_by)]
Nov 02 05:58:31.366 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Nov 02 05:58:31.366 INFO kablam! 
Nov 02 05:58:31.428 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.25s
Nov 02 05:58:31.441 INFO kablam! su: No module specific data is present
Nov 02 05:58:32.662 INFO running `"docker" "rm" "-f" "712defcd721452cdfd6da27cbe3ccf3cd0d2f7a3e31291cc6637d27d69d4c01e"`
Nov 02 05:58:33.068 INFO blam! 712defcd721452cdfd6da27cbe3ccf3cd0d2f7a3e31291cc6637d27d69d4c01e