Oct 21 19:02:46.779 INFO checking cdouglass/samara against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 21 19:02:46.780 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-5/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-55192/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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 21 19:02:47.174 INFO blam! 020ea0330251b6516818d2efa6598c77d0382c51b4551c730d0d8fb1a3604450
Oct 21 19:02:47.181 INFO running `"docker" "start" "-a" "020ea0330251b6516818d2efa6598c77d0382c51b4551c730d0d8fb1a3604450"`
Oct 21 19:02:47.705 INFO kablam! usermod: no changes
Oct 21 19:02:47.832 INFO kablam!    Compiling getopts v0.2.15
Oct 21 19:02:47.835 INFO kablam!    Compiling serde v1.0.15
Oct 21 19:02:47.835 INFO kablam!    Compiling error-chain v0.11.0
Oct 21 19:02:47.835 INFO kablam!    Compiling tempdir v0.3.5
Oct 21 19:02:48.740 INFO kablam!     Checking skeptic v0.13.0
Oct 21 19:02:49.988 INFO kablam!    Compiling pulldown-cmark v0.1.0
Oct 21 19:02:58.003 INFO kablam!    Compiling serde_json v1.0.3
Oct 21 19:02:58.004 INFO kablam!    Compiling toml v0.4.5
Oct 21 19:03:05.820 INFO kablam!    Compiling samara v0.1.0 (/source)
Oct 21 19:03:09.802 INFO kablam! warning: unnecessary parentheses around method argument
Oct 21 19:03:09.802 INFO kablam!   --> src/structures/patterns.rs:46:46
Oct 21 19:03:09.802 INFO kablam!    |
Oct 21 19:03:09.802 INFO kablam! 46 |                   patterns.iter().fold(vec![], (|mut v, pat| {
Oct 21 19:03:09.802 INFO kablam!    |  ______________________________________________^
Oct 21 19:03:09.802 INFO kablam! 47 | |                     v.extend(pat.identifiers());
Oct 21 19:03:09.802 INFO kablam! 48 | |                     v}))
Oct 21 19:03:09.802 INFO kablam!    | |_______________________^ help: remove these parentheses
Oct 21 19:03:09.802 INFO kablam!    |
Oct 21 19:03:09.802 INFO kablam!    = note: #[warn(unused_parens)] on by default
Oct 21 19:03:09.802 INFO kablam! 
Oct 21 19:03:10.006 INFO kablam! warning: unnecessary parentheses around method argument
Oct 21 19:03:10.006 INFO kablam!   --> src/structures/patterns.rs:46:46
Oct 21 19:03:10.006 INFO kablam!    |
Oct 21 19:03:10.006 INFO kablam! 46 |                   patterns.iter().fold(vec![], (|mut v, pat| {
Oct 21 19:03:10.006 INFO kablam!    |  ______________________________________________^
Oct 21 19:03:10.006 INFO kablam! 47 | |                     v.extend(pat.identifiers());
Oct 21 19:03:10.006 INFO kablam! 48 | |                     v}))
Oct 21 19:03:10.006 INFO kablam!    | |_______________________^ help: remove these parentheses
Oct 21 19:03:10.006 INFO kablam!    |
Oct 21 19:03:10.006 INFO kablam!    = note: #[warn(unused_parens)] on by default
Oct 21 19:03:10.006 INFO kablam! 
Oct 21 19:03:10.006 INFO kablam! warning: unnecessary parentheses around function argument
Oct 21 19:03:10.006 INFO kablam!    --> src/parse/decl.rs:199:67
Oct 21 19:03:10.006 INFO kablam!     |
Oct 21 19:03:10.006 INFO kablam! 199 |         assert_parses_type("Int -> Bool -> Int", arrow(Type::Int, (arrow(Type::Bool, Type::Int))));
Oct 21 19:03:10.006 INFO kablam!     |                                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 21 19:03:10.006 INFO kablam! 
Oct 21 19:03:11.966 INFO kablam! warning: variable does not need to be mutable
Oct 21 19:03:11.966 INFO kablam!   --> src/tests.rs:14:38
Oct 21 19:03:11.967 INFO kablam!    |
Oct 21 19:03:11.967 INFO kablam! 14 | fn assert_evaluation_err(expr: &str, mut bindings: &mut Vec<LetBinding>, mut gen: &mut GenTypeVar, msg: &str) {
Oct 21 19:03:11.967 INFO kablam!    |                                      ----^^^^^^^^
Oct 21 19:03:11.967 INFO kablam!    |                                      |
Oct 21 19:03:11.967 INFO kablam!    |                                      help: remove this `mut`
Oct 21 19:03:11.967 INFO kablam!    |
Oct 21 19:03:11.967 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 21 19:03:11.968 INFO kablam! 
Oct 21 19:03:11.968 INFO kablam! warning: variable does not need to be mutable
Oct 21 19:03:11.968 INFO kablam!   --> src/tests.rs:14:74
Oct 21 19:03:11.968 INFO kablam!    |
Oct 21 19:03:11.968 INFO kablam! 14 | fn assert_evaluation_err(expr: &str, mut bindings: &mut Vec<LetBinding>, mut gen: &mut GenTypeVar, msg: &str) {
Oct 21 19:03:11.968 INFO kablam!    |                                                                          ----^^^
Oct 21 19:03:11.968 INFO kablam!    |                                                                          |
Oct 21 19:03:11.968 INFO kablam!    |                                                                          help: remove this `mut`
Oct 21 19:03:11.969 INFO kablam! 
Oct 21 19:03:11.973 INFO kablam! warning: variable does not need to be mutable
Oct 21 19:03:11.973 INFO kablam!   --> src/tests.rs:24:90
Oct 21 19:03:11.973 INFO kablam!    |
Oct 21 19:03:11.973 INFO kablam! 24 | fn assert_evaluates_to_atom_with_context(expr: &str, mut bindings: &mut Vec<LetBinding>, mut gen: &mut GenTypeVar, sum_types: &SumTypeDefs, expected: Atom) {
Oct 21 19:03:11.973 INFO kablam!    |                                                                                          ----^^^
Oct 21 19:03:11.973 INFO kablam!    |                                                                                          |
Oct 21 19:03:11.973 INFO kablam!    |                                                                                          help: remove this `mut`
Oct 21 19:03:11.974 INFO kablam! 
Oct 21 19:03:11.974 INFO kablam! warning: variable does not need to be mutable
Oct 21 19:03:11.974 INFO kablam!   --> src/tests.rs:34:41
Oct 21 19:03:11.974 INFO kablam!    |
Oct 21 19:03:11.974 INFO kablam! 34 | fn assert_evaluates_to_atom(expr: &str, mut bindings: &mut Vec<LetBinding>, mut gen: &mut GenTypeVar, expected: Atom) {
Oct 21 19:03:11.974 INFO kablam!    |                                         ----^^^^^^^^
Oct 21 19:03:11.975 INFO kablam!    |                                         |
Oct 21 19:03:11.975 INFO kablam!    |                                         help: remove this `mut`
Oct 21 19:03:11.975 INFO kablam! 
Oct 21 19:03:11.975 INFO kablam! warning: variable does not need to be mutable
Oct 21 19:03:11.975 INFO kablam!   --> src/tests.rs:34:77
Oct 21 19:03:11.975 INFO kablam!    |
Oct 21 19:03:11.975 INFO kablam! 34 | fn assert_evaluates_to_atom(expr: &str, mut bindings: &mut Vec<LetBinding>, mut gen: &mut GenTypeVar, expected: Atom) {
Oct 21 19:03:11.976 INFO kablam!    |                                                                             ----^^^
Oct 21 19:03:11.976 INFO kablam!    |                                                                             |
Oct 21 19:03:11.976 INFO kablam!    |                                                                             help: remove this `mut`
Oct 21 19:03:11.976 INFO kablam! 
Oct 21 19:03:12.727 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 24.99s
Oct 21 19:03:12.735 INFO kablam! su: No module specific data is present
Oct 21 19:03:13.412 INFO running `"docker" "rm" "-f" "020ea0330251b6516818d2efa6598c77d0382c51b4551c730d0d8fb1a3604450"`
Oct 21 19:03:13.680 INFO blam! 020ea0330251b6516818d2efa6598c77d0382c51b4551c730d0d8fb1a3604450