Oct 31 20:31:19.426 INFO checking stephen-lazaro/reuler against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Oct 31 20:31:19.427 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-0/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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"`
Oct 31 20:31:19.855 INFO blam! 10ba3f6f5d168d58a56538eef14c41a6a2e0641cc93d651b60979cc1bc99a4c3
Oct 31 20:31:19.855 INFO running `"docker" "start" "-a" "10ba3f6f5d168d58a56538eef14c41a6a2e0641cc93d651b60979cc1bc99a4c3"`
Oct 31 20:31:21.540 INFO kablam! usermod: no changes
Oct 31 20:31:21.684 INFO kablam!     Checking memchr v0.1.11
Oct 31 20:31:21.684 INFO kablam!     Checking itertools v0.7.3
Oct 31 20:31:21.688 INFO kablam!     Checking thread-id v2.0.0
Oct 31 20:31:22.149 INFO kablam!     Checking aho-corasick v0.5.3
Oct 31 20:31:22.204 INFO kablam!     Checking thread_local v0.2.7
Oct 31 20:31:23.821 INFO kablam!     Checking regex v0.1.80
Oct 31 20:31:26.170 INFO kablam!     Checking reuler v0.1.0 (/source)
Oct 31 20:31:26.371 INFO kablam! warning: unknown lint: `unused_import`
Oct 31 20:31:26.371 INFO kablam!  --> src/lib.rs:5:9
Oct 31 20:31:26.371 INFO kablam!   |
Oct 31 20:31:26.371 INFO kablam! 5 | #[allow(unused_import)]
Oct 31 20:31:26.372 INFO kablam!   |         ^^^^^^^^^^^^^
Oct 31 20:31:26.372 INFO kablam!   |
Oct 31 20:31:26.372 INFO kablam!   = note: #[warn(unknown_lints)] on by default
Oct 31 20:31:26.372 INFO kablam! 
Oct 31 20:31:26.632 INFO kablam! warning: unused `#[macro_use]` import
Oct 31 20:31:26.633 INFO kablam!  --> src/lib.rs:3:1
Oct 31 20:31:26.633 INFO kablam!   |
Oct 31 20:31:26.633 INFO kablam! 3 | #[macro_use] extern crate itertools;
Oct 31 20:31:26.633 INFO kablam!   | ^^^^^^^^^^^^
Oct 31 20:31:26.633 INFO kablam!   |
Oct 31 20:31:26.633 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 20:31:26.633 INFO kablam! 
Oct 31 20:31:26.948 INFO kablam! warning: value assigned to `triangular_num` is never read
Oct 31 20:31:26.949 INFO kablam!  --> src/eulers/twelve.rs:6:13
Oct 31 20:31:26.950 INFO kablam!   |
Oct 31 20:31:26.950 INFO kablam! 6 |     let mut triangular_num = Some(6);
Oct 31 20:31:26.951 INFO kablam!   |             ^^^^^^^^^^^^^^
Oct 31 20:31:26.952 INFO kablam!   |
Oct 31 20:31:26.952 INFO kablam!   = note: #[warn(unused_assignments)] on by default
Oct 31 20:31:26.953 INFO kablam! 
Oct 31 20:31:27.054 INFO kablam! warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
Oct 31 20:31:27.055 INFO kablam!  --> src/lib.rs:1:12
Oct 31 20:31:27.056 INFO kablam!   |
Oct 31 20:31:27.056 INFO kablam! 1 | #![feature(inclusive_range_syntax)]
Oct 31 20:31:27.057 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:31:27.057 INFO kablam!   |
Oct 31 20:31:27.058 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 31 20:31:27.059 INFO kablam! 
Oct 31 20:31:27.060 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Oct 31 20:31:27.061 INFO kablam!  --> src/lib.rs:2:12
Oct 31 20:31:27.061 INFO kablam!   |
Oct 31 20:31:27.062 INFO kablam! 2 | #![feature(iterator_step_by)]
Oct 31 20:31:27.062 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Oct 31 20:31:27.063 INFO kablam! 
Oct 31 20:31:27.272 INFO kablam! warning: unknown lint: `unused_import`
Oct 31 20:31:27.272 INFO kablam!  --> src/main.rs:5:9
Oct 31 20:31:27.272 INFO kablam!   |
Oct 31 20:31:27.272 INFO kablam! 5 | #[allow(unused_import)]
Oct 31 20:31:27.272 INFO kablam!   |         ^^^^^^^^^^^^^
Oct 31 20:31:27.272 INFO kablam!   |
Oct 31 20:31:27.272 INFO kablam!   = note: #[warn(unknown_lints)] on by default
Oct 31 20:31:27.272 INFO kablam! 
Oct 31 20:31:27.480 INFO kablam! warning: unused `#[macro_use]` import
Oct 31 20:31:27.480 INFO kablam!  --> src/main.rs:3:1
Oct 31 20:31:27.481 INFO kablam!   |
Oct 31 20:31:27.481 INFO kablam! 3 | #[macro_use] extern crate itertools;
Oct 31 20:31:27.481 INFO kablam!   | ^^^^^^^^^^^^
Oct 31 20:31:27.482 INFO kablam!   |
Oct 31 20:31:27.482 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 20:31:27.483 INFO kablam! 
Oct 31 20:31:27.872 INFO kablam! warning: value assigned to `triangular_num` is never read
Oct 31 20:31:27.872 INFO kablam!  --> src/eulers/twelve.rs:6:13
Oct 31 20:31:27.872 INFO kablam!   |
Oct 31 20:31:27.872 INFO kablam! 6 |     let mut triangular_num = Some(6);
Oct 31 20:31:27.873 INFO kablam!   |             ^^^^^^^^^^^^^^
Oct 31 20:31:27.873 INFO kablam!   |
Oct 31 20:31:27.874 INFO kablam!   = note: #[warn(unused_assignments)] on by default
Oct 31 20:31:27.874 INFO kablam! 
Oct 31 20:31:27.977 INFO kablam! warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
Oct 31 20:31:27.978 INFO kablam!  --> src/main.rs:1:12
Oct 31 20:31:27.978 INFO kablam!   |
Oct 31 20:31:27.978 INFO kablam! 1 | #![feature(inclusive_range_syntax)]
Oct 31 20:31:27.978 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:31:27.979 INFO kablam!   |
Oct 31 20:31:27.979 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 31 20:31:27.979 INFO kablam! 
Oct 31 20:31:27.984 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Oct 31 20:31:27.984 INFO kablam!  --> src/main.rs:2:12
Oct 31 20:31:27.985 INFO kablam!   |
Oct 31 20:31:27.985 INFO kablam! 2 | #![feature(iterator_step_by)]
Oct 31 20:31:27.985 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Oct 31 20:31:27.985 INFO kablam! 
Oct 31 20:31:28.022 INFO kablam!     Checking env_logger v0.3.5
Oct 31 20:31:28.445 INFO kablam!     Checking quickcheck v0.3.2
Oct 31 20:31:30.168 INFO kablam! warning: unknown lint: `unused_import`
Oct 31 20:31:30.169 INFO kablam!  --> src/lib.rs:5:9
Oct 31 20:31:30.170 INFO kablam!   |
Oct 31 20:31:30.171 INFO kablam! 5 | #[allow(unused_import)]
Oct 31 20:31:30.171 INFO kablam!   |         ^^^^^^^^^^^^^
Oct 31 20:31:30.172 INFO kablam!   |
Oct 31 20:31:30.172 INFO kablam!   = note: #[warn(unknown_lints)] on by default
Oct 31 20:31:30.173 INFO kablam! 
Oct 31 20:31:30.180 INFO kablam! warning: unknown lint: `unused_import`
Oct 31 20:31:30.181 INFO kablam!  --> src/main.rs:5:9
Oct 31 20:31:30.181 INFO kablam!   |
Oct 31 20:31:30.182 INFO kablam! 5 | #[allow(unused_import)]
Oct 31 20:31:30.183 INFO kablam!   |         ^^^^^^^^^^^^^
Oct 31 20:31:30.183 INFO kablam!   |
Oct 31 20:31:30.184 INFO kablam!   = note: #[warn(unknown_lints)] on by default
Oct 31 20:31:30.184 INFO kablam! 
Oct 31 20:31:30.476 INFO kablam! warning: unused `#[macro_use]` import
Oct 31 20:31:30.477 INFO kablam!  --> src/main.rs:3:1
Oct 31 20:31:30.478 INFO kablam!   |
Oct 31 20:31:30.479 INFO kablam! 3 | #[macro_use] extern crate itertools;
Oct 31 20:31:30.479 INFO kablam!   | ^^^^^^^^^^^^
Oct 31 20:31:30.480 INFO kablam!   |
Oct 31 20:31:30.480 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 20:31:30.481 INFO kablam! 
Oct 31 20:31:30.524 INFO kablam! warning: unused `#[macro_use]` import
Oct 31 20:31:30.525 INFO kablam!  --> src/lib.rs:3:1
Oct 31 20:31:30.526 INFO kablam!   |
Oct 31 20:31:30.527 INFO kablam! 3 | #[macro_use] extern crate itertools;
Oct 31 20:31:30.527 INFO kablam!   | ^^^^^^^^^^^^
Oct 31 20:31:30.528 INFO kablam!   |
Oct 31 20:31:30.528 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 20:31:30.529 INFO kablam! 
Oct 31 20:31:30.903 INFO kablam! warning: value assigned to `triangular_num` is never read
Oct 31 20:31:30.903 INFO kablam!  --> src/eulers/twelve.rs:6:13
Oct 31 20:31:30.904 INFO kablam!   |
Oct 31 20:31:30.904 INFO kablam! 6 |     let mut triangular_num = Some(6);
Oct 31 20:31:30.905 INFO kablam!   |             ^^^^^^^^^^^^^^
Oct 31 20:31:30.905 INFO kablam!   |
Oct 31 20:31:30.905 INFO kablam!   = note: #[warn(unused_assignments)] on by default
Oct 31 20:31:30.906 INFO kablam! 
Oct 31 20:31:30.960 INFO kablam! warning: value assigned to `triangular_num` is never read
Oct 31 20:31:30.961 INFO kablam!  --> src/eulers/twelve.rs:6:13
Oct 31 20:31:30.961 INFO kablam!   |
Oct 31 20:31:30.961 INFO kablam! 6 |     let mut triangular_num = Some(6);
Oct 31 20:31:30.962 INFO kablam!   |             ^^^^^^^^^^^^^^
Oct 31 20:31:30.962 INFO kablam!   |
Oct 31 20:31:30.962 INFO kablam!   = note: #[warn(unused_assignments)] on by default
Oct 31 20:31:30.962 INFO kablam! 
Oct 31 20:31:31.076 INFO kablam! warning: struct is never constructed: `Valid`
Oct 31 20:31:31.077 INFO kablam!   --> src/lib.rs:15:5
Oct 31 20:31:31.077 INFO kablam!    |
Oct 31 20:31:31.077 INFO kablam! 15 |     pub struct Valid <A : Testable> (A);
Oct 31 20:31:31.077 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:31:31.078 INFO kablam!    |
Oct 31 20:31:31.078 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 31 20:31:31.078 INFO kablam! 
Oct 31 20:31:31.079 INFO kablam! warning: struct is never constructed: `Invalid`
Oct 31 20:31:31.079 INFO kablam!   --> src/lib.rs:16:5
Oct 31 20:31:31.079 INFO kablam!    |
Oct 31 20:31:31.080 INFO kablam! 16 |     pub struct Invalid <A : Testable> (A);
Oct 31 20:31:31.080 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:31:31.080 INFO kablam! 
Oct 31 20:31:31.081 INFO kablam! warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
Oct 31 20:31:31.081 INFO kablam!  --> src/lib.rs:1:12
Oct 31 20:31:31.081 INFO kablam!   |
Oct 31 20:31:31.082 INFO kablam! 1 | #![feature(inclusive_range_syntax)]
Oct 31 20:31:31.082 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:31:31.082 INFO kablam!   |
Oct 31 20:31:31.083 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 31 20:31:31.083 INFO kablam! 
Oct 31 20:31:31.083 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Oct 31 20:31:31.084 INFO kablam!  --> src/lib.rs:2:12
Oct 31 20:31:31.084 INFO kablam!   |
Oct 31 20:31:31.085 INFO kablam! 2 | #![feature(iterator_step_by)]
Oct 31 20:31:31.085 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Oct 31 20:31:31.085 INFO kablam! 
Oct 31 20:31:31.099 INFO kablam! warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
Oct 31 20:31:31.099 INFO kablam!  --> src/main.rs:1:12
Oct 31 20:31:31.099 INFO kablam!   |
Oct 31 20:31:31.100 INFO kablam! 1 | #![feature(inclusive_range_syntax)]
Oct 31 20:31:31.100 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:31:31.100 INFO kablam!   |
Oct 31 20:31:31.101 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 31 20:31:31.101 INFO kablam! 
Oct 31 20:31:31.101 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Oct 31 20:31:31.101 INFO kablam!  --> src/main.rs:2:12
Oct 31 20:31:31.102 INFO kablam!   |
Oct 31 20:31:31.102 INFO kablam! 2 | #![feature(iterator_step_by)]
Oct 31 20:31:31.102 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Oct 31 20:31:31.103 INFO kablam! 
Oct 31 20:31:31.188 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.62s
Oct 31 20:31:31.194 INFO kablam! su: No module specific data is present
Oct 31 20:31:32.599 INFO running `"docker" "rm" "-f" "10ba3f6f5d168d58a56538eef14c41a6a2e0641cc93d651b60979cc1bc99a4c3"`
Oct 31 20:31:32.888 INFO blam! 10ba3f6f5d168d58a56538eef14c41a6a2e0641cc93d651b60979cc1bc99a4c3