Nov 04 06:07:46.244 INFO checking hardvain/rust-practice against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 04 06:07:46.244 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-3/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/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 +2ad8c7b3502616aff142a4640cce911c6c2c5463-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 04 06:07:46.755 INFO blam! 06b0cfdc542a2a15c133ce79b75c55c2708b90ca3f51a1403f914217a4ddf04f
Nov 04 06:07:46.779 INFO running `"docker" "start" "-a" "06b0cfdc542a2a15c133ce79b75c55c2708b90ca3f51a1403f914217a4ddf04f"`
Nov 04 06:07:47.903 INFO kablam! usermod: no changes
Nov 04 06:07:47.952 INFO kablam!     Checking practice v0.1.0 (/source)
Nov 04 06:07:48.320 INFO kablam! warning: unused variable: `sample`
Nov 04 06:07:48.320 INFO kablam!  --> src/main.rs:9:24
Nov 04 06:07:48.321 INFO kablam!   |
Nov 04 06:07:48.321 INFO kablam! 9 | fn taking_owned_sample(sample: Sample) {}
Nov 04 06:07:48.321 INFO kablam!   |                        ^^^^^^ help: consider using `_sample` instead
Nov 04 06:07:48.322 INFO kablam!   |
Nov 04 06:07:48.322 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 04 06:07:48.322 INFO kablam! 
Nov 04 06:07:48.322 INFO kablam! warning: unused variable: `sample`
Nov 04 06:07:48.323 INFO kablam!   --> src/main.rs:10:25
Nov 04 06:07:48.323 INFO kablam!    |
Nov 04 06:07:48.323 INFO kablam! 10 | fn taking_shared_sample(sample: &Sample) {}
Nov 04 06:07:48.324 INFO kablam!    |                         ^^^^^^ help: consider using `_sample` instead
Nov 04 06:07:48.324 INFO kablam! 
Nov 04 06:07:48.324 INFO kablam! warning: unused variable: `sample`
Nov 04 06:07:48.324 INFO kablam!   --> src/main.rs:11:26
Nov 04 06:07:48.325 INFO kablam!    |
Nov 04 06:07:48.325 INFO kablam! 11 | fn taking_mutable_sample(sample: &mut Sample) {}
Nov 04 06:07:48.325 INFO kablam!    |                          ^^^^^^ help: consider using `_sample` instead
Nov 04 06:07:48.325 INFO kablam! 
Nov 04 06:07:48.326 INFO kablam! warning: unused variable: `sample`
Nov 04 06:07:48.326 INFO kablam!   --> src/main.rs:37:9
Nov 04 06:07:48.326 INFO kablam!    |
Nov 04 06:07:48.327 INFO kablam! 37 |     let sample = Sample { key: 1 };
Nov 04 06:07:48.327 INFO kablam!    |         ^^^^^^ help: consider using `_sample` instead
Nov 04 06:07:48.327 INFO kablam! 
Nov 04 06:07:48.327 INFO kablam! warning: variable does not need to be mutable
Nov 04 06:07:48.327 INFO kablam!   --> src/main.rs:44:9
Nov 04 06:07:48.328 INFO kablam!    |
Nov 04 06:07:48.328 INFO kablam! 44 |     let mut sample = Sample { key: 1 };
Nov 04 06:07:48.328 INFO kablam!    |         ----^^^^^^
Nov 04 06:07:48.328 INFO kablam!    |         |
Nov 04 06:07:48.328 INFO kablam!    |         help: remove this `mut`
Nov 04 06:07:48.328 INFO kablam!    |
Nov 04 06:07:48.328 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 04 06:07:48.328 INFO kablam! 
Nov 04 06:07:48.328 INFO kablam! warning: variable does not need to be mutable
Nov 04 06:07:48.328 INFO kablam!   --> src/main.rs:60:9
Nov 04 06:07:48.328 INFO kablam!    |
Nov 04 06:07:48.328 INFO kablam! 60 |     let mut sample = Sample { key: 1 };
Nov 04 06:07:48.328 INFO kablam!    |         ----^^^^^^
Nov 04 06:07:48.328 INFO kablam!    |         |
Nov 04 06:07:48.328 INFO kablam!    |         help: remove this `mut`
Nov 04 06:07:48.328 INFO kablam! 
Nov 04 06:07:48.329 INFO kablam! warning: variable does not need to be mutable
Nov 04 06:07:48.329 INFO kablam!    --> src/main.rs:113:9
Nov 04 06:07:48.329 INFO kablam!     |
Nov 04 06:07:48.329 INFO kablam! 113 |     let mut sample = Sample { key: 1 };
Nov 04 06:07:48.329 INFO kablam!     |         ----^^^^^^
Nov 04 06:07:48.329 INFO kablam!     |         |
Nov 04 06:07:48.329 INFO kablam!     |         help: remove this `mut`
Nov 04 06:07:48.329 INFO kablam! 
Nov 04 06:07:48.329 INFO kablam! warning: variable does not need to be mutable
Nov 04 06:07:48.329 INFO kablam!    --> src/main.rs:121:9
Nov 04 06:07:48.329 INFO kablam!     |
Nov 04 06:07:48.329 INFO kablam! 121 |     let mut sample = Sample { key: 1 };
Nov 04 06:07:48.329 INFO kablam!     |         ----^^^^^^
Nov 04 06:07:48.329 INFO kablam!     |         |
Nov 04 06:07:48.329 INFO kablam!     |         help: remove this `mut`
Nov 04 06:07:48.329 INFO kablam! 
Nov 04 06:07:48.329 INFO kablam! warning: variable does not need to be mutable
Nov 04 06:07:48.329 INFO kablam!    --> src/main.rs:130:9
Nov 04 06:07:48.329 INFO kablam!     |
Nov 04 06:07:48.329 INFO kablam! 130 |     let mut sample = Sample { key: 1 };
Nov 04 06:07:48.329 INFO kablam!     |         ----^^^^^^
Nov 04 06:07:48.329 INFO kablam!     |         |
Nov 04 06:07:48.329 INFO kablam!     |         help: remove this `mut`
Nov 04 06:07:48.329 INFO kablam! 
Nov 04 06:07:48.329 INFO kablam! warning: variable does not need to be mutable
Nov 04 06:07:48.329 INFO kablam!    --> src/main.rs:137:9
Nov 04 06:07:48.329 INFO kablam!     |
Nov 04 06:07:48.329 INFO kablam! 137 |     let mut sample = Sample { key: 1 };
Nov 04 06:07:48.329 INFO kablam!     |         ----^^^^^^
Nov 04 06:07:48.329 INFO kablam!     |         |
Nov 04 06:07:48.329 INFO kablam!     |         help: remove this `mut`
Nov 04 06:07:48.329 INFO kablam! 
Nov 04 06:07:48.329 INFO kablam! warning: field is never used: `key`
Nov 04 06:07:48.329 INFO kablam!  --> src/main.rs:2:3
Nov 04 06:07:48.329 INFO kablam!   |
Nov 04 06:07:48.329 INFO kablam! 2 |   key: i32,
Nov 04 06:07:48.329 INFO kablam!   |   ^^^^^^^^
Nov 04 06:07:48.329 INFO kablam!   |
Nov 04 06:07:48.329 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 04 06:07:48.329 INFO kablam! 
Nov 04 06:07:48.329 INFO kablam! warning: function is never used: `taking_mutable_sample`
Nov 04 06:07:48.329 INFO kablam!   --> src/main.rs:11:1
Nov 04 06:07:48.329 INFO kablam!    |
Nov 04 06:07:48.329 INFO kablam! 11 | fn taking_mutable_sample(sample: &mut Sample) {}
Nov 04 06:07:48.330 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 06:07:48.330 INFO kablam! 
Nov 04 06:07:48.330 INFO kablam! warning: function is never used: `mutable_binding_function_calls`
Nov 04 06:07:48.330 INFO kablam!   --> src/main.rs:42:1
Nov 04 06:07:48.330 INFO kablam!    |
Nov 04 06:07:48.330 INFO kablam! 42 | fn mutable_binding_function_calls() {
Nov 04 06:07:48.330 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 06:07:48.330 INFO kablam! 
Nov 04 06:07:48.439 INFO kablam! warning: unused variable: `sample`
Nov 04 06:07:48.439 INFO kablam!  --> src/main.rs:9:24
Nov 04 06:07:48.440 INFO kablam!   |
Nov 04 06:07:48.440 INFO kablam! 9 | fn taking_owned_sample(sample: Sample) {}
Nov 04 06:07:48.440 INFO kablam!   |                        ^^^^^^ help: consider using `_sample` instead
Nov 04 06:07:48.441 INFO kablam!   |
Nov 04 06:07:48.441 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 04 06:07:48.441 INFO kablam! 
Nov 04 06:07:48.442 INFO kablam! warning: unused variable: `sample`
Nov 04 06:07:48.442 INFO kablam!   --> src/main.rs:10:25
Nov 04 06:07:48.442 INFO kablam!    |
Nov 04 06:07:48.443 INFO kablam! 10 | fn taking_shared_sample(sample: &Sample) {}
Nov 04 06:07:48.443 INFO kablam!    |                         ^^^^^^ help: consider using `_sample` instead
Nov 04 06:07:48.443 INFO kablam! 
Nov 04 06:07:48.443 INFO kablam! warning: unused variable: `sample`
Nov 04 06:07:48.444 INFO kablam!   --> src/main.rs:11:26
Nov 04 06:07:48.444 INFO kablam!    |
Nov 04 06:07:48.444 INFO kablam! 11 | fn taking_mutable_sample(sample: &mut Sample) {}
Nov 04 06:07:48.445 INFO kablam!    |                          ^^^^^^ help: consider using `_sample` instead
Nov 04 06:07:48.445 INFO kablam! 
Nov 04 06:07:48.445 INFO kablam! warning: unused variable: `sample`
Nov 04 06:07:48.445 INFO kablam!   --> src/main.rs:37:9
Nov 04 06:07:48.446 INFO kablam!    |
Nov 04 06:07:48.446 INFO kablam! 37 |     let sample = Sample { key: 1 };
Nov 04 06:07:48.446 INFO kablam!    |         ^^^^^^ help: consider using `_sample` instead
Nov 04 06:07:48.447 INFO kablam! 
Nov 04 06:07:48.447 INFO kablam! warning: variable does not need to be mutable
Nov 04 06:07:48.447 INFO kablam!   --> src/main.rs:44:9
Nov 04 06:07:48.448 INFO kablam!    |
Nov 04 06:07:48.448 INFO kablam! 44 |     let mut sample = Sample { key: 1 };
Nov 04 06:07:48.448 INFO kablam!    |         ----^^^^^^
Nov 04 06:07:48.448 INFO kablam!    |         |
Nov 04 06:07:48.449 INFO kablam!    |         help: remove this `mut`
Nov 04 06:07:48.449 INFO kablam!    |
Nov 04 06:07:48.449 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 04 06:07:48.450 INFO kablam! 
Nov 04 06:07:48.450 INFO kablam! warning: variable does not need to be mutable
Nov 04 06:07:48.450 INFO kablam!   --> src/main.rs:60:9
Nov 04 06:07:48.450 INFO kablam!    |
Nov 04 06:07:48.450 INFO kablam! 60 |     let mut sample = Sample { key: 1 };
Nov 04 06:07:48.450 INFO kablam!    |         ----^^^^^^
Nov 04 06:07:48.450 INFO kablam!    |         |
Nov 04 06:07:48.450 INFO kablam!    |         help: remove this `mut`
Nov 04 06:07:48.450 INFO kablam! 
Nov 04 06:07:48.450 INFO kablam! warning: variable does not need to be mutable
Nov 04 06:07:48.450 INFO kablam!    --> src/main.rs:113:9
Nov 04 06:07:48.450 INFO kablam!     |
Nov 04 06:07:48.450 INFO kablam! 113 |     let mut sample = Sample { key: 1 };
Nov 04 06:07:48.450 INFO kablam!     |         ----^^^^^^
Nov 04 06:07:48.450 INFO kablam!     |         |
Nov 04 06:07:48.450 INFO kablam!     |         help: remove this `mut`
Nov 04 06:07:48.450 INFO kablam! 
Nov 04 06:07:48.450 INFO kablam! warning: variable does not need to be mutable
Nov 04 06:07:48.450 INFO kablam!    --> src/main.rs:121:9
Nov 04 06:07:48.450 INFO kablam!     |
Nov 04 06:07:48.450 INFO kablam! 121 |     let mut sample = Sample { key: 1 };
Nov 04 06:07:48.450 INFO kablam!     |         ----^^^^^^
Nov 04 06:07:48.450 INFO kablam!     |         |
Nov 04 06:07:48.450 INFO kablam!     |         help: remove this `mut`
Nov 04 06:07:48.450 INFO kablam! 
Nov 04 06:07:48.450 INFO kablam! warning: variable does not need to be mutable
Nov 04 06:07:48.450 INFO kablam!    --> src/main.rs:130:9
Nov 04 06:07:48.450 INFO kablam!     |
Nov 04 06:07:48.450 INFO kablam! 130 |     let mut sample = Sample { key: 1 };
Nov 04 06:07:48.450 INFO kablam!     |         ----^^^^^^
Nov 04 06:07:48.450 INFO kablam!     |         |
Nov 04 06:07:48.450 INFO kablam!     |         help: remove this `mut`
Nov 04 06:07:48.450 INFO kablam! 
Nov 04 06:07:48.451 INFO kablam! warning: variable does not need to be mutable
Nov 04 06:07:48.451 INFO kablam!    --> src/main.rs:137:9
Nov 04 06:07:48.451 INFO kablam!     |
Nov 04 06:07:48.451 INFO kablam! 137 |     let mut sample = Sample { key: 1 };
Nov 04 06:07:48.451 INFO kablam!     |         ----^^^^^^
Nov 04 06:07:48.451 INFO kablam!     |         |
Nov 04 06:07:48.451 INFO kablam!     |         help: remove this `mut`
Nov 04 06:07:48.451 INFO kablam! 
Nov 04 06:07:48.451 INFO kablam! warning: field is never used: `key`
Nov 04 06:07:48.451 INFO kablam!  --> src/main.rs:2:3
Nov 04 06:07:48.451 INFO kablam!   |
Nov 04 06:07:48.451 INFO kablam! 2 |   key: i32,
Nov 04 06:07:48.451 INFO kablam!   |   ^^^^^^^^
Nov 04 06:07:48.451 INFO kablam!   |
Nov 04 06:07:48.451 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 04 06:07:48.451 INFO kablam! 
Nov 04 06:07:48.451 INFO kablam! warning: function is never used: `taking_mutable_sample`
Nov 04 06:07:48.451 INFO kablam!   --> src/main.rs:11:1
Nov 04 06:07:48.451 INFO kablam!    |
Nov 04 06:07:48.451 INFO kablam! 11 | fn taking_mutable_sample(sample: &mut Sample) {}
Nov 04 06:07:48.451 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 06:07:48.451 INFO kablam! 
Nov 04 06:07:48.451 INFO kablam! warning: function is never used: `mutable_binding_function_calls`
Nov 04 06:07:48.451 INFO kablam!   --> src/main.rs:42:1
Nov 04 06:07:48.451 INFO kablam!    |
Nov 04 06:07:48.451 INFO kablam! 42 | fn mutable_binding_function_calls() {
Nov 04 06:07:48.451 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 06:07:48.451 INFO kablam! 
Nov 04 06:07:48.475 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
Nov 04 06:07:48.487 INFO kablam! su: No module specific data is present
Nov 04 06:07:49.054 INFO running `"docker" "rm" "-f" "06b0cfdc542a2a15c133ce79b75c55c2708b90ca3f51a1403f914217a4ddf04f"`
Nov 04 06:07:49.331 INFO blam! 06b0cfdc542a2a15c133ce79b75c55c2708b90ca3f51a1403f914217a4ddf04f