Nov 30 02:08:17.681 INFO checking hardvain/rust-practice against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 02:08:17.681 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 02:08:18.176 INFO [stdout] cb8cf91e9d8fbb9e3262bbd10b688b48335786bd67ba9a148e02f1a2c55cdc6a
Nov 30 02:08:18.178 INFO running `"docker" "start" "-a" "cb8cf91e9d8fbb9e3262bbd10b688b48335786bd67ba9a148e02f1a2c55cdc6a"`
Nov 30 02:08:20.450 INFO [stderr] usermod: no changes
Nov 30 02:08:20.502 INFO [stderr]     Checking practice v0.1.0 (/source)
Nov 30 02:08:21.148 INFO [stderr] warning: unused variable: `sample`
Nov 30 02:08:21.149 INFO [stderr]  --> src/main.rs:9:24
Nov 30 02:08:21.149 INFO [stderr]   |
Nov 30 02:08:21.149 INFO [stderr] 9 | fn taking_owned_sample(sample: Sample) {}
Nov 30 02:08:21.149 INFO [stderr]   |                        ^^^^^^ help: consider using `_sample` instead
Nov 30 02:08:21.150 INFO [stderr]   |
Nov 30 02:08:21.151 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 30 02:08:21.151 INFO [stderr] 
Nov 30 02:08:21.151 INFO [stderr] warning: unused variable: `sample`
Nov 30 02:08:21.151 INFO [stderr]   --> src/main.rs:10:25
Nov 30 02:08:21.151 INFO [stderr]    |
Nov 30 02:08:21.151 INFO [stderr] 10 | fn taking_shared_sample(sample: &Sample) {}
Nov 30 02:08:21.151 INFO [stderr]    |                         ^^^^^^ help: consider using `_sample` instead
Nov 30 02:08:21.151 INFO [stderr] 
Nov 30 02:08:21.151 INFO [stderr] warning: unused variable: `sample`
Nov 30 02:08:21.151 INFO [stderr]   --> src/main.rs:11:26
Nov 30 02:08:21.151 INFO [stderr]    |
Nov 30 02:08:21.151 INFO [stderr] 11 | fn taking_mutable_sample(sample: &mut Sample) {}
Nov 30 02:08:21.151 INFO [stderr]    |                          ^^^^^^ help: consider using `_sample` instead
Nov 30 02:08:21.151 INFO [stderr] 
Nov 30 02:08:21.151 INFO [stderr] warning: unused variable: `sample`
Nov 30 02:08:21.151 INFO [stderr]   --> src/main.rs:37:9
Nov 30 02:08:21.151 INFO [stderr]    |
Nov 30 02:08:21.151 INFO [stderr] 37 |     let sample = Sample { key: 1 };
Nov 30 02:08:21.151 INFO [stderr]    |         ^^^^^^ help: consider using `_sample` instead
Nov 30 02:08:21.151 INFO [stderr] 
Nov 30 02:08:21.151 INFO [stderr] warning: variable does not need to be mutable
Nov 30 02:08:21.151 INFO [stderr]   --> src/main.rs:44:9
Nov 30 02:08:21.151 INFO [stderr]    |
Nov 30 02:08:21.151 INFO [stderr] 44 |     let mut sample = Sample { key: 1 };
Nov 30 02:08:21.151 INFO [stderr]    |         ----^^^^^^
Nov 30 02:08:21.151 INFO [stderr]    |         |
Nov 30 02:08:21.151 INFO [stderr]    |         help: remove this `mut`
Nov 30 02:08:21.151 INFO [stderr]    |
Nov 30 02:08:21.151 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 02:08:21.151 INFO [stderr] 
Nov 30 02:08:21.151 INFO [stderr] warning: variable does not need to be mutable
Nov 30 02:08:21.151 INFO [stderr]   --> src/main.rs:60:9
Nov 30 02:08:21.151 INFO [stderr]    |
Nov 30 02:08:21.151 INFO [stderr] 60 |     let mut sample = Sample { key: 1 };
Nov 30 02:08:21.151 INFO [stderr]    |         ----^^^^^^
Nov 30 02:08:21.151 INFO [stderr]    |         |
Nov 30 02:08:21.151 INFO [stderr]    |         help: remove this `mut`
Nov 30 02:08:21.151 INFO [stderr] 
Nov 30 02:08:21.151 INFO [stderr] warning: variable does not need to be mutable
Nov 30 02:08:21.151 INFO [stderr]    --> src/main.rs:113:9
Nov 30 02:08:21.151 INFO [stderr]     |
Nov 30 02:08:21.151 INFO [stderr] 113 |     let mut sample = Sample { key: 1 };
Nov 30 02:08:21.151 INFO [stderr]     |         ----^^^^^^
Nov 30 02:08:21.151 INFO [stderr]     |         |
Nov 30 02:08:21.151 INFO [stderr]     |         help: remove this `mut`
Nov 30 02:08:21.151 INFO [stderr] 
Nov 30 02:08:21.151 INFO [stderr] warning: variable does not need to be mutable
Nov 30 02:08:21.151 INFO [stderr]    --> src/main.rs:121:9
Nov 30 02:08:21.151 INFO [stderr]     |
Nov 30 02:08:21.151 INFO [stderr] 121 |     let mut sample = Sample { key: 1 };
Nov 30 02:08:21.151 INFO [stderr]     |         ----^^^^^^
Nov 30 02:08:21.151 INFO [stderr]     |         |
Nov 30 02:08:21.151 INFO [stderr]     |         help: remove this `mut`
Nov 30 02:08:21.151 INFO [stderr] 
Nov 30 02:08:21.151 INFO [stderr] warning: variable does not need to be mutable
Nov 30 02:08:21.151 INFO [stderr]    --> src/main.rs:130:9
Nov 30 02:08:21.151 INFO [stderr]     |
Nov 30 02:08:21.151 INFO [stderr] 130 |     let mut sample = Sample { key: 1 };
Nov 30 02:08:21.151 INFO [stderr]     |         ----^^^^^^
Nov 30 02:08:21.151 INFO [stderr]     |         |
Nov 30 02:08:21.151 INFO [stderr]     |         help: remove this `mut`
Nov 30 02:08:21.151 INFO [stderr] 
Nov 30 02:08:21.151 INFO [stderr] warning: variable does not need to be mutable
Nov 30 02:08:21.151 INFO [stderr]    --> src/main.rs:137:9
Nov 30 02:08:21.151 INFO [stderr]     |
Nov 30 02:08:21.151 INFO [stderr] 137 |     let mut sample = Sample { key: 1 };
Nov 30 02:08:21.151 INFO [stderr]     |         ----^^^^^^
Nov 30 02:08:21.151 INFO [stderr]     |         |
Nov 30 02:08:21.151 INFO [stderr]     |         help: remove this `mut`
Nov 30 02:08:21.151 INFO [stderr] 
Nov 30 02:08:21.151 INFO [stderr] warning: field is never used: `key`
Nov 30 02:08:21.151 INFO [stderr]  --> src/main.rs:2:3
Nov 30 02:08:21.151 INFO [stderr]   |
Nov 30 02:08:21.151 INFO [stderr] 2 |   key: i32,
Nov 30 02:08:21.151 INFO [stderr]   |   ^^^^^^^^
Nov 30 02:08:21.151 INFO [stderr]   |
Nov 30 02:08:21.151 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 02:08:21.151 INFO [stderr] 
Nov 30 02:08:21.151 INFO [stderr] warning: function is never used: `taking_mutable_sample`
Nov 30 02:08:21.151 INFO [stderr]   --> src/main.rs:11:1
Nov 30 02:08:21.151 INFO [stderr]    |
Nov 30 02:08:21.151 INFO [stderr] 11 | fn taking_mutable_sample(sample: &mut Sample) {}
Nov 30 02:08:21.151 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 02:08:21.151 INFO [stderr] 
Nov 30 02:08:21.151 INFO [stderr] warning: function is never used: `mutable_binding_function_calls`
Nov 30 02:08:21.152 INFO [stderr]   --> src/main.rs:42:1
Nov 30 02:08:21.152 INFO [stderr]    |
Nov 30 02:08:21.152 INFO [stderr] 42 | fn mutable_binding_function_calls() {
Nov 30 02:08:21.152 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 02:08:21.152 INFO [stderr] 
Nov 30 02:08:21.152 INFO [stderr] warning: unused variable: `sample`
Nov 30 02:08:21.152 INFO [stderr]  --> src/main.rs:9:24
Nov 30 02:08:21.152 INFO [stderr]   |
Nov 30 02:08:21.152 INFO [stderr] 9 | fn taking_owned_sample(sample: Sample) {}
Nov 30 02:08:21.152 INFO [stderr]   |                        ^^^^^^ help: consider using `_sample` instead
Nov 30 02:08:21.152 INFO [stderr]   |
Nov 30 02:08:21.152 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 30 02:08:21.152 INFO [stderr] 
Nov 30 02:08:21.152 INFO [stderr] warning: unused variable: `sample`
Nov 30 02:08:21.152 INFO [stderr]   --> src/main.rs:10:25
Nov 30 02:08:21.152 INFO [stderr]    |
Nov 30 02:08:21.152 INFO [stderr] 10 | fn taking_shared_sample(sample: &Sample) {}
Nov 30 02:08:21.152 INFO [stderr]    |                         ^^^^^^ help: consider using `_sample` instead
Nov 30 02:08:21.152 INFO [stderr] 
Nov 30 02:08:21.152 INFO [stderr] warning: unused variable: `sample`
Nov 30 02:08:21.152 INFO [stderr]   --> src/main.rs:11:26
Nov 30 02:08:21.152 INFO [stderr]    |
Nov 30 02:08:21.152 INFO [stderr] 11 | fn taking_mutable_sample(sample: &mut Sample) {}
Nov 30 02:08:21.152 INFO [stderr]    |                          ^^^^^^ help: consider using `_sample` instead
Nov 30 02:08:21.152 INFO [stderr] 
Nov 30 02:08:21.152 INFO [stderr] warning: unused variable: `sample`
Nov 30 02:08:21.152 INFO [stderr]   --> src/main.rs:37:9
Nov 30 02:08:21.152 INFO [stderr]    |
Nov 30 02:08:21.152 INFO [stderr] 37 |     let sample = Sample { key: 1 };
Nov 30 02:08:21.152 INFO [stderr]    |         ^^^^^^ help: consider using `_sample` instead
Nov 30 02:08:21.152 INFO [stderr] 
Nov 30 02:08:21.164 INFO [stderr] warning: variable does not need to be mutable
Nov 30 02:08:21.164 INFO [stderr]   --> src/main.rs:44:9
Nov 30 02:08:21.164 INFO [stderr]    |
Nov 30 02:08:21.168 INFO [stderr] 44 |     let mut sample = Sample { key: 1 };
Nov 30 02:08:21.168 INFO [stderr]    |         ----^^^^^^
Nov 30 02:08:21.168 INFO [stderr]    |         |
Nov 30 02:08:21.168 INFO [stderr]    |         help: remove this `mut`
Nov 30 02:08:21.168 INFO [stderr]    |
Nov 30 02:08:21.168 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 02:08:21.168 INFO [stderr] 
Nov 30 02:08:21.168 INFO [stderr] warning: variable does not need to be mutable
Nov 30 02:08:21.168 INFO [stderr]   --> src/main.rs:60:9
Nov 30 02:08:21.168 INFO [stderr]    |
Nov 30 02:08:21.168 INFO [stderr] 60 |     let mut sample = Sample { key: 1 };
Nov 30 02:08:21.168 INFO [stderr]    |         ----^^^^^^
Nov 30 02:08:21.168 INFO [stderr]    |         |
Nov 30 02:08:21.168 INFO [stderr]    |         help: remove this `mut`
Nov 30 02:08:21.168 INFO [stderr] 
Nov 30 02:08:21.168 INFO [stderr] warning: variable does not need to be mutable
Nov 30 02:08:21.172 INFO [stderr]    --> src/main.rs:113:9
Nov 30 02:08:21.172 INFO [stderr]     |
Nov 30 02:08:21.172 INFO [stderr] 113 |     let mut sample = Sample { key: 1 };
Nov 30 02:08:21.172 INFO [stderr]     |         ----^^^^^^
Nov 30 02:08:21.172 INFO [stderr]     |         |
Nov 30 02:08:21.172 INFO [stderr]     |         help: remove this `mut`
Nov 30 02:08:21.172 INFO [stderr] 
Nov 30 02:08:21.172 INFO [stderr] warning: variable does not need to be mutable
Nov 30 02:08:21.172 INFO [stderr]    --> src/main.rs:121:9
Nov 30 02:08:21.172 INFO [stderr]     |
Nov 30 02:08:21.172 INFO [stderr] 121 |     let mut sample = Sample { key: 1 };
Nov 30 02:08:21.172 INFO [stderr]     |         ----^^^^^^
Nov 30 02:08:21.172 INFO [stderr]     |         |
Nov 30 02:08:21.172 INFO [stderr]     |         help: remove this `mut`
Nov 30 02:08:21.172 INFO [stderr] 
Nov 30 02:08:21.172 INFO [stderr] warning: variable does not need to be mutable
Nov 30 02:08:21.172 INFO [stderr]    --> src/main.rs:130:9
Nov 30 02:08:21.172 INFO [stderr]     |
Nov 30 02:08:21.172 INFO [stderr] 130 |     let mut sample = Sample { key: 1 };
Nov 30 02:08:21.172 INFO [stderr]     |         ----^^^^^^
Nov 30 02:08:21.172 INFO [stderr]     |         |
Nov 30 02:08:21.172 INFO [stderr]     |         help: remove this `mut`
Nov 30 02:08:21.172 INFO [stderr] 
Nov 30 02:08:21.172 INFO [stderr] warning: variable does not need to be mutable
Nov 30 02:08:21.172 INFO [stderr]    --> src/main.rs:137:9
Nov 30 02:08:21.172 INFO [stderr]     |
Nov 30 02:08:21.172 INFO [stderr] 137 |     let mut sample = Sample { key: 1 };
Nov 30 02:08:21.172 INFO [stderr]     |         ----^^^^^^
Nov 30 02:08:21.172 INFO [stderr]     |         |
Nov 30 02:08:21.172 INFO [stderr]     |         help: remove this `mut`
Nov 30 02:08:21.172 INFO [stderr] 
Nov 30 02:08:21.172 INFO [stderr] warning: field is never used: `key`
Nov 30 02:08:21.172 INFO [stderr]  --> src/main.rs:2:3
Nov 30 02:08:21.172 INFO [stderr]   |
Nov 30 02:08:21.172 INFO [stderr] 2 |   key: i32,
Nov 30 02:08:21.172 INFO [stderr]   |   ^^^^^^^^
Nov 30 02:08:21.172 INFO [stderr]   |
Nov 30 02:08:21.172 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 02:08:21.172 INFO [stderr] 
Nov 30 02:08:21.172 INFO [stderr] warning: function is never used: `taking_mutable_sample`
Nov 30 02:08:21.172 INFO [stderr]   --> src/main.rs:11:1
Nov 30 02:08:21.172 INFO [stderr]    |
Nov 30 02:08:21.172 INFO [stderr] 11 | fn taking_mutable_sample(sample: &mut Sample) {}
Nov 30 02:08:21.172 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 02:08:21.176 INFO [stderr] 
Nov 30 02:08:21.176 INFO [stderr] warning: function is never used: `mutable_binding_function_calls`
Nov 30 02:08:21.176 INFO [stderr]   --> src/main.rs:42:1
Nov 30 02:08:21.176 INFO [stderr]    |
Nov 30 02:08:21.176 INFO [stderr] 42 | fn mutable_binding_function_calls() {
Nov 30 02:08:21.176 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 02:08:21.176 INFO [stderr] 
Nov 30 02:08:21.216 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
Nov 30 02:08:21.216 INFO [stderr] su: No module specific data is present
Nov 30 02:08:22.212 INFO running `"docker" "inspect" "cb8cf91e9d8fbb9e3262bbd10b688b48335786bd67ba9a148e02f1a2c55cdc6a"`
Nov 30 02:08:22.616 INFO running `"docker" "rm" "-f" "cb8cf91e9d8fbb9e3262bbd10b688b48335786bd67ba9a148e02f1a2c55cdc6a"`
Nov 30 02:08:22.984 INFO [stdout] cb8cf91e9d8fbb9e3262bbd10b688b48335786bd67ba9a148e02f1a2c55cdc6a