Oct 27 04:00:27.205 INFO checking hardvain/rust-practice against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 04:00:27.206 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-6/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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 27 04:00:27.651 INFO blam! 963057a89a5e34f2f7ab0d9caed201b32972758eb325d349efe396a696574bdd
Oct 27 04:00:27.651 INFO running `"docker" "start" "-a" "963057a89a5e34f2f7ab0d9caed201b32972758eb325d349efe396a696574bdd"`
Oct 27 04:00:30.031 INFO kablam! usermod: no changes
Oct 27 04:00:30.067 INFO kablam!     Checking practice v0.1.0 (/source)
Oct 27 04:00:30.749 INFO kablam! warning: unused variable: `sample`
Oct 27 04:00:30.750 INFO kablam!  --> src/main.rs:9:24
Oct 27 04:00:30.750 INFO kablam!   |
Oct 27 04:00:30.750 INFO kablam! 9 | fn taking_owned_sample(sample: Sample) {}
Oct 27 04:00:30.750 INFO kablam!   |                        ^^^^^^ help: consider using `_sample` instead
Oct 27 04:00:30.750 INFO kablam!   |
Oct 27 04:00:30.750 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 27 04:00:30.750 INFO kablam! 
Oct 27 04:00:30.750 INFO kablam! warning: unused variable: `sample`
Oct 27 04:00:30.750 INFO kablam!   --> src/main.rs:10:25
Oct 27 04:00:30.750 INFO kablam!    |
Oct 27 04:00:30.750 INFO kablam! 10 | fn taking_shared_sample(sample: &Sample) {}
Oct 27 04:00:30.750 INFO kablam!    |                         ^^^^^^ help: consider using `_sample` instead
Oct 27 04:00:30.750 INFO kablam! 
Oct 27 04:00:30.750 INFO kablam! warning: unused variable: `sample`
Oct 27 04:00:30.750 INFO kablam!   --> src/main.rs:11:26
Oct 27 04:00:30.750 INFO kablam!    |
Oct 27 04:00:30.750 INFO kablam! 11 | fn taking_mutable_sample(sample: &mut Sample) {}
Oct 27 04:00:30.750 INFO kablam!    |                          ^^^^^^ help: consider using `_sample` instead
Oct 27 04:00:30.750 INFO kablam! 
Oct 27 04:00:30.750 INFO kablam! warning: unused variable: `sample`
Oct 27 04:00:30.750 INFO kablam!   --> src/main.rs:37:9
Oct 27 04:00:30.750 INFO kablam!    |
Oct 27 04:00:30.750 INFO kablam! 37 |     let sample = Sample { key: 1 };
Oct 27 04:00:30.750 INFO kablam!    |         ^^^^^^ help: consider using `_sample` instead
Oct 27 04:00:30.750 INFO kablam! 
Oct 27 04:00:30.755 INFO kablam! warning: variable does not need to be mutable
Oct 27 04:00:30.755 INFO kablam!   --> src/main.rs:44:9
Oct 27 04:00:30.755 INFO kablam!    |
Oct 27 04:00:30.755 INFO kablam! 44 |     let mut sample = Sample { key: 1 };
Oct 27 04:00:30.755 INFO kablam!    |         ----^^^^^^
Oct 27 04:00:30.755 INFO kablam!    |         |
Oct 27 04:00:30.755 INFO kablam!    |         help: remove this `mut`
Oct 27 04:00:30.755 INFO kablam!    |
Oct 27 04:00:30.755 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 27 04:00:30.755 INFO kablam! 
Oct 27 04:00:30.755 INFO kablam! warning: variable does not need to be mutable
Oct 27 04:00:30.755 INFO kablam!   --> src/main.rs:60:9
Oct 27 04:00:30.755 INFO kablam!    |
Oct 27 04:00:30.755 INFO kablam! 60 |     let mut sample = Sample { key: 1 };
Oct 27 04:00:30.755 INFO kablam!    |         ----^^^^^^
Oct 27 04:00:30.755 INFO kablam!    |         |
Oct 27 04:00:30.755 INFO kablam!    |         help: remove this `mut`
Oct 27 04:00:30.755 INFO kablam! 
Oct 27 04:00:30.755 INFO kablam! warning: variable does not need to be mutable
Oct 27 04:00:30.755 INFO kablam!    --> src/main.rs:113:9
Oct 27 04:00:30.755 INFO kablam!     |
Oct 27 04:00:30.755 INFO kablam! 113 |     let mut sample = Sample { key: 1 };
Oct 27 04:00:30.755 INFO kablam!     |         ----^^^^^^
Oct 27 04:00:30.755 INFO kablam!     |         |
Oct 27 04:00:30.755 INFO kablam!     |         help: remove this `mut`
Oct 27 04:00:30.755 INFO kablam! 
Oct 27 04:00:30.755 INFO kablam! warning: variable does not need to be mutable
Oct 27 04:00:30.755 INFO kablam!    --> src/main.rs:121:9
Oct 27 04:00:30.755 INFO kablam!     |
Oct 27 04:00:30.755 INFO kablam! 121 |     let mut sample = Sample { key: 1 };
Oct 27 04:00:30.755 INFO kablam!     |         ----^^^^^^
Oct 27 04:00:30.755 INFO kablam!     |         |
Oct 27 04:00:30.755 INFO kablam!     |         help: remove this `mut`
Oct 27 04:00:30.755 INFO kablam! 
Oct 27 04:00:30.755 INFO kablam! warning: variable does not need to be mutable
Oct 27 04:00:30.755 INFO kablam!    --> src/main.rs:130:9
Oct 27 04:00:30.755 INFO kablam!     |
Oct 27 04:00:30.755 INFO kablam! 130 |     let mut sample = Sample { key: 1 };
Oct 27 04:00:30.755 INFO kablam!     |         ----^^^^^^
Oct 27 04:00:30.755 INFO kablam!     |         |
Oct 27 04:00:30.755 INFO kablam!     |         help: remove this `mut`
Oct 27 04:00:30.755 INFO kablam! 
Oct 27 04:00:30.755 INFO kablam! warning: variable does not need to be mutable
Oct 27 04:00:30.755 INFO kablam!    --> src/main.rs:137:9
Oct 27 04:00:30.755 INFO kablam!     |
Oct 27 04:00:30.755 INFO kablam! 137 |     let mut sample = Sample { key: 1 };
Oct 27 04:00:30.755 INFO kablam!     |         ----^^^^^^
Oct 27 04:00:30.755 INFO kablam!     |         |
Oct 27 04:00:30.755 INFO kablam!     |         help: remove this `mut`
Oct 27 04:00:30.755 INFO kablam! 
Oct 27 04:00:30.755 INFO kablam! warning: field is never used: `key`
Oct 27 04:00:30.755 INFO kablam!  --> src/main.rs:2:3
Oct 27 04:00:30.755 INFO kablam!   |
Oct 27 04:00:30.755 INFO kablam! 2 |   key: i32,
Oct 27 04:00:30.755 INFO kablam!   |   ^^^^^^^^
Oct 27 04:00:30.755 INFO kablam!   |
Oct 27 04:00:30.755 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 27 04:00:30.755 INFO kablam! 
Oct 27 04:00:30.755 INFO kablam! warning: function is never used: `taking_mutable_sample`
Oct 27 04:00:30.755 INFO kablam!   --> src/main.rs:11:1
Oct 27 04:00:30.755 INFO kablam!    |
Oct 27 04:00:30.755 INFO kablam! 11 | fn taking_mutable_sample(sample: &mut Sample) {}
Oct 27 04:00:30.756 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 04:00:30.756 INFO kablam! 
Oct 27 04:00:30.764 INFO kablam! warning: function is never used: `mutable_binding_function_calls`
Oct 27 04:00:30.765 INFO kablam!   --> src/main.rs:42:1
Oct 27 04:00:30.765 INFO kablam!    |
Oct 27 04:00:30.765 INFO kablam! 42 | fn mutable_binding_function_calls() {
Oct 27 04:00:30.765 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 04:00:30.765 INFO kablam! 
Oct 27 04:00:30.945 INFO kablam! warning: unused variable: `sample`
Oct 27 04:00:30.946 INFO kablam!  --> src/main.rs:9:24
Oct 27 04:00:30.946 INFO kablam!   |
Oct 27 04:00:30.946 INFO kablam! 9 | fn taking_owned_sample(sample: Sample) {}
Oct 27 04:00:30.947 INFO kablam!   |                        ^^^^^^ help: consider using `_sample` instead
Oct 27 04:00:30.947 INFO kablam!   |
Oct 27 04:00:30.948 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 27 04:00:30.948 INFO kablam! 
Oct 27 04:00:30.948 INFO kablam! warning: unused variable: `sample`
Oct 27 04:00:30.949 INFO kablam!   --> src/main.rs:10:25
Oct 27 04:00:30.949 INFO kablam!    |
Oct 27 04:00:30.949 INFO kablam! 10 | fn taking_shared_sample(sample: &Sample) {}
Oct 27 04:00:30.950 INFO kablam!    |                         ^^^^^^ help: consider using `_sample` instead
Oct 27 04:00:30.950 INFO kablam! 
Oct 27 04:00:30.950 INFO kablam! warning: unused variable: `sample`
Oct 27 04:00:30.950 INFO kablam!   --> src/main.rs:11:26
Oct 27 04:00:30.951 INFO kablam!    |
Oct 27 04:00:30.951 INFO kablam! 11 | fn taking_mutable_sample(sample: &mut Sample) {}
Oct 27 04:00:30.951 INFO kablam!    |                          ^^^^^^ help: consider using `_sample` instead
Oct 27 04:00:30.952 INFO kablam! 
Oct 27 04:00:30.952 INFO kablam! warning: unused variable: `sample`
Oct 27 04:00:30.952 INFO kablam!   --> src/main.rs:37:9
Oct 27 04:00:30.953 INFO kablam!    |
Oct 27 04:00:30.953 INFO kablam! 37 |     let sample = Sample { key: 1 };
Oct 27 04:00:30.953 INFO kablam!    |         ^^^^^^ help: consider using `_sample` instead
Oct 27 04:00:30.956 INFO kablam! 
Oct 27 04:00:30.956 INFO kablam! warning: variable does not need to be mutable
Oct 27 04:00:30.956 INFO kablam!   --> src/main.rs:44:9
Oct 27 04:00:30.957 INFO kablam!    |
Oct 27 04:00:30.957 INFO kablam! 44 |     let mut sample = Sample { key: 1 };
Oct 27 04:00:30.957 INFO kablam!    |         ----^^^^^^
Oct 27 04:00:30.957 INFO kablam!    |         |
Oct 27 04:00:30.958 INFO kablam!    |         help: remove this `mut`
Oct 27 04:00:30.958 INFO kablam!    |
Oct 27 04:00:30.958 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 27 04:00:30.958 INFO kablam! 
Oct 27 04:00:30.959 INFO kablam! warning: variable does not need to be mutable
Oct 27 04:00:30.959 INFO kablam!   --> src/main.rs:60:9
Oct 27 04:00:30.960 INFO kablam!    |
Oct 27 04:00:30.960 INFO kablam! 60 |     let mut sample = Sample { key: 1 };
Oct 27 04:00:30.960 INFO kablam!    |         ----^^^^^^
Oct 27 04:00:30.960 INFO kablam!    |         |
Oct 27 04:00:30.961 INFO kablam!    |         help: remove this `mut`
Oct 27 04:00:30.961 INFO kablam! 
Oct 27 04:00:30.962 INFO kablam! warning: variable does not need to be mutable
Oct 27 04:00:30.963 INFO kablam!    --> src/main.rs:113:9
Oct 27 04:00:30.963 INFO kablam!     |
Oct 27 04:00:30.963 INFO kablam! 113 |     let mut sample = Sample { key: 1 };
Oct 27 04:00:30.964 INFO kablam!     |         ----^^^^^^
Oct 27 04:00:30.964 INFO kablam!     |         |
Oct 27 04:00:30.964 INFO kablam!     |         help: remove this `mut`
Oct 27 04:00:30.965 INFO kablam! 
Oct 27 04:00:30.965 INFO kablam! warning: variable does not need to be mutable
Oct 27 04:00:30.965 INFO kablam!    --> src/main.rs:121:9
Oct 27 04:00:30.966 INFO kablam!     |
Oct 27 04:00:30.966 INFO kablam! 121 |     let mut sample = Sample { key: 1 };
Oct 27 04:00:30.966 INFO kablam!     |         ----^^^^^^
Oct 27 04:00:30.967 INFO kablam!     |         |
Oct 27 04:00:30.967 INFO kablam!     |         help: remove this `mut`
Oct 27 04:00:30.967 INFO kablam! 
Oct 27 04:00:30.967 INFO kablam! warning: variable does not need to be mutable
Oct 27 04:00:30.967 INFO kablam!    --> src/main.rs:130:9
Oct 27 04:00:30.967 INFO kablam!     |
Oct 27 04:00:30.967 INFO kablam! 130 |     let mut sample = Sample { key: 1 };
Oct 27 04:00:30.967 INFO kablam!     |         ----^^^^^^
Oct 27 04:00:30.967 INFO kablam!     |         |
Oct 27 04:00:30.967 INFO kablam!     |         help: remove this `mut`
Oct 27 04:00:30.967 INFO kablam! 
Oct 27 04:00:30.968 INFO kablam! warning: variable does not need to be mutable
Oct 27 04:00:30.968 INFO kablam!    --> src/main.rs:137:9
Oct 27 04:00:30.968 INFO kablam!     |
Oct 27 04:00:30.968 INFO kablam! 137 |     let mut sample = Sample { key: 1 };
Oct 27 04:00:30.968 INFO kablam!     |         ----^^^^^^
Oct 27 04:00:30.968 INFO kablam!     |         |
Oct 27 04:00:30.968 INFO kablam!     |         help: remove this `mut`
Oct 27 04:00:30.968 INFO kablam! 
Oct 27 04:00:30.968 INFO kablam! warning: field is never used: `key`
Oct 27 04:00:30.969 INFO kablam!  --> src/main.rs:2:3
Oct 27 04:00:30.969 INFO kablam!   |
Oct 27 04:00:30.969 INFO kablam! 2 |   key: i32,
Oct 27 04:00:30.969 INFO kablam!   |   ^^^^^^^^
Oct 27 04:00:30.969 INFO kablam!   |
Oct 27 04:00:30.969 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 27 04:00:30.969 INFO kablam! 
Oct 27 04:00:30.970 INFO kablam! warning: function is never used: `taking_mutable_sample`
Oct 27 04:00:30.970 INFO kablam!   --> src/main.rs:11:1
Oct 27 04:00:30.970 INFO kablam!    |
Oct 27 04:00:30.970 INFO kablam! 11 | fn taking_mutable_sample(sample: &mut Sample) {}
Oct 27 04:00:30.970 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 04:00:30.970 INFO kablam! 
Oct 27 04:00:30.971 INFO kablam! warning: function is never used: `mutable_binding_function_calls`
Oct 27 04:00:30.971 INFO kablam!   --> src/main.rs:42:1
Oct 27 04:00:30.971 INFO kablam!    |
Oct 27 04:00:30.971 INFO kablam! 42 | fn mutable_binding_function_calls() {
Oct 27 04:00:30.971 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 04:00:30.972 INFO kablam! 
Oct 27 04:00:31.008 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
Oct 27 04:00:31.016 INFO kablam! su: No module specific data is present
Oct 27 04:00:32.243 INFO running `"docker" "rm" "-f" "963057a89a5e34f2f7ab0d9caed201b32972758eb325d349efe396a696574bdd"`
Oct 27 04:00:32.511 INFO blam! 963057a89a5e34f2f7ab0d9caed201b32972758eb325d349efe396a696574bdd