Nov 30 02:08:21.502 INFO checking hardvain/rust-practice against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323 Nov 30 02:08:21.502 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-3/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 02:08:21.987 INFO [stdout] c114d7fba6469ce2925e72953f4ecfe731296e2fa70786aa458e1f243354fef6 Nov 30 02:08:21.989 INFO running `"docker" "start" "-a" "c114d7fba6469ce2925e72953f4ecfe731296e2fa70786aa458e1f243354fef6"` Nov 30 02:08:23.063 INFO [stderr] usermod: no changes Nov 30 02:08:23.136 INFO [stderr] Checking practice v0.1.0 (/source) Nov 30 02:08:23.814 INFO [stderr] warning: unused variable: `sample` Nov 30 02:08:23.814 INFO [stderr] --> src/main.rs:9:24 Nov 30 02:08:23.814 INFO [stderr] | Nov 30 02:08:23.814 INFO [stderr] 9 | fn taking_owned_sample(sample: Sample) {} Nov 30 02:08:23.814 INFO [stderr] | ^^^^^^ help: consider using `_sample` instead Nov 30 02:08:23.814 INFO [stderr] | Nov 30 02:08:23.814 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 30 02:08:23.814 INFO [stderr] Nov 30 02:08:23.814 INFO [stderr] warning: unused variable: `sample` Nov 30 02:08:23.814 INFO [stderr] --> src/main.rs:10:25 Nov 30 02:08:23.814 INFO [stderr] | Nov 30 02:08:23.814 INFO [stderr] 10 | fn taking_shared_sample(sample: &Sample) {} Nov 30 02:08:23.814 INFO [stderr] | ^^^^^^ help: consider using `_sample` instead Nov 30 02:08:23.814 INFO [stderr] Nov 30 02:08:23.814 INFO [stderr] warning: unused variable: `sample` Nov 30 02:08:23.814 INFO [stderr] --> src/main.rs:11:26 Nov 30 02:08:23.814 INFO [stderr] | Nov 30 02:08:23.814 INFO [stderr] 11 | fn taking_mutable_sample(sample: &mut Sample) {} Nov 30 02:08:23.814 INFO [stderr] | ^^^^^^ help: consider using `_sample` instead Nov 30 02:08:23.814 INFO [stderr] Nov 30 02:08:23.814 INFO [stderr] warning: unused variable: `sample` Nov 30 02:08:23.814 INFO [stderr] --> src/main.rs:37:9 Nov 30 02:08:23.814 INFO [stderr] | Nov 30 02:08:23.814 INFO [stderr] 37 | let sample = Sample { key: 1 }; Nov 30 02:08:23.814 INFO [stderr] | ^^^^^^ help: consider using `_sample` instead Nov 30 02:08:23.814 INFO [stderr] Nov 30 02:08:23.814 INFO [stderr] warning: variable does not need to be mutable Nov 30 02:08:23.814 INFO [stderr] --> src/main.rs:44:9 Nov 30 02:08:23.814 INFO [stderr] | Nov 30 02:08:23.814 INFO [stderr] 44 | let mut sample = Sample { key: 1 }; Nov 30 02:08:23.814 INFO [stderr] | ----^^^^^^ Nov 30 02:08:23.814 INFO [stderr] | | Nov 30 02:08:23.814 INFO [stderr] | help: remove this `mut` Nov 30 02:08:23.814 INFO [stderr] | Nov 30 02:08:23.814 INFO [stderr] = note: #[warn(unused_mut)] on by default Nov 30 02:08:23.814 INFO [stderr] Nov 30 02:08:23.818 INFO [stderr] warning: variable does not need to be mutable Nov 30 02:08:23.818 INFO [stderr] --> src/main.rs:60:9 Nov 30 02:08:23.818 INFO [stderr] | Nov 30 02:08:23.818 INFO [stderr] 60 | let mut sample = Sample { key: 1 }; Nov 30 02:08:23.818 INFO [stderr] | ----^^^^^^ Nov 30 02:08:23.818 INFO [stderr] | | Nov 30 02:08:23.818 INFO [stderr] | help: remove this `mut` Nov 30 02:08:23.818 INFO [stderr] Nov 30 02:08:23.818 INFO [stderr] warning: variable does not need to be mutable Nov 30 02:08:23.819 INFO [stderr] --> src/main.rs:113:9 Nov 30 02:08:23.819 INFO [stderr] | Nov 30 02:08:23.819 INFO [stderr] 113 | let mut sample = Sample { key: 1 }; Nov 30 02:08:23.819 INFO [stderr] | ----^^^^^^ Nov 30 02:08:23.819 INFO [stderr] | | Nov 30 02:08:23.819 INFO [stderr] | help: remove this `mut` Nov 30 02:08:23.819 INFO [stderr] Nov 30 02:08:23.819 INFO [stderr] warning: variable does not need to be mutable Nov 30 02:08:23.819 INFO [stderr] --> src/main.rs:121:9 Nov 30 02:08:23.819 INFO [stderr] | Nov 30 02:08:23.819 INFO [stderr] 121 | let mut sample = Sample { key: 1 }; Nov 30 02:08:23.819 INFO [stderr] | ----^^^^^^ Nov 30 02:08:23.819 INFO [stderr] | | Nov 30 02:08:23.819 INFO [stderr] | help: remove this `mut` Nov 30 02:08:23.819 INFO [stderr] Nov 30 02:08:23.819 INFO [stderr] warning: variable does not need to be mutable Nov 30 02:08:23.819 INFO [stderr] --> src/main.rs:130:9 Nov 30 02:08:23.819 INFO [stderr] | Nov 30 02:08:23.819 INFO [stderr] 130 | let mut sample = Sample { key: 1 }; Nov 30 02:08:23.819 INFO [stderr] | ----^^^^^^ Nov 30 02:08:23.819 INFO [stderr] | | Nov 30 02:08:23.819 INFO [stderr] | help: remove this `mut` Nov 30 02:08:23.819 INFO [stderr] Nov 30 02:08:23.819 INFO [stderr] warning: variable does not need to be mutable Nov 30 02:08:23.819 INFO [stderr] --> src/main.rs:137:9 Nov 30 02:08:23.819 INFO [stderr] | Nov 30 02:08:23.819 INFO [stderr] 137 | let mut sample = Sample { key: 1 }; Nov 30 02:08:23.819 INFO [stderr] | ----^^^^^^ Nov 30 02:08:23.819 INFO [stderr] | | Nov 30 02:08:23.819 INFO [stderr] | help: remove this `mut` Nov 30 02:08:23.819 INFO [stderr] Nov 30 02:08:23.819 INFO [stderr] warning: field is never used: `key` Nov 30 02:08:23.819 INFO [stderr] --> src/main.rs:2:3 Nov 30 02:08:23.819 INFO [stderr] | Nov 30 02:08:23.819 INFO [stderr] 2 | key: i32, Nov 30 02:08:23.819 INFO [stderr] | ^^^^^^^^ Nov 30 02:08:23.819 INFO [stderr] | Nov 30 02:08:23.819 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 30 02:08:23.819 INFO [stderr] Nov 30 02:08:23.819 INFO [stderr] warning: function is never used: `taking_mutable_sample` Nov 30 02:08:23.819 INFO [stderr] --> src/main.rs:11:1 Nov 30 02:08:23.819 INFO [stderr] | Nov 30 02:08:23.819 INFO [stderr] 11 | fn taking_mutable_sample(sample: &mut Sample) {} Nov 30 02:08:23.819 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 02:08:23.819 INFO [stderr] Nov 30 02:08:23.819 INFO [stderr] warning: function is never used: `mutable_binding_function_calls` Nov 30 02:08:23.819 INFO [stderr] --> src/main.rs:42:1 Nov 30 02:08:23.819 INFO [stderr] | Nov 30 02:08:23.819 INFO [stderr] 42 | fn mutable_binding_function_calls() { Nov 30 02:08:23.819 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 02:08:23.819 INFO [stderr] Nov 30 02:08:23.837 INFO [stderr] warning: unused variable: `sample` Nov 30 02:08:23.837 INFO [stderr] --> src/main.rs:9:24 Nov 30 02:08:23.837 INFO [stderr] | Nov 30 02:08:23.837 INFO [stderr] 9 | fn taking_owned_sample(sample: Sample) {} Nov 30 02:08:23.837 INFO [stderr] | ^^^^^^ help: consider using `_sample` instead Nov 30 02:08:23.837 INFO [stderr] | Nov 30 02:08:23.837 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 30 02:08:23.837 INFO [stderr] Nov 30 02:08:23.837 INFO [stderr] warning: unused variable: `sample` Nov 30 02:08:23.837 INFO [stderr] --> src/main.rs:10:25 Nov 30 02:08:23.838 INFO [stderr] | Nov 30 02:08:23.838 INFO [stderr] 10 | fn taking_shared_sample(sample: &Sample) {} Nov 30 02:08:23.838 INFO [stderr] | ^^^^^^ help: consider using `_sample` instead Nov 30 02:08:23.838 INFO [stderr] Nov 30 02:08:23.838 INFO [stderr] warning: unused variable: `sample` Nov 30 02:08:23.838 INFO [stderr] --> src/main.rs:11:26 Nov 30 02:08:23.838 INFO [stderr] | Nov 30 02:08:23.838 INFO [stderr] 11 | fn taking_mutable_sample(sample: &mut Sample) {} Nov 30 02:08:23.838 INFO [stderr] | ^^^^^^ help: consider using `_sample` instead Nov 30 02:08:23.838 INFO [stderr] Nov 30 02:08:23.838 INFO [stderr] warning: unused variable: `sample` Nov 30 02:08:23.838 INFO [stderr] --> src/main.rs:37:9 Nov 30 02:08:23.838 INFO [stderr] | Nov 30 02:08:23.838 INFO [stderr] 37 | let sample = Sample { key: 1 }; Nov 30 02:08:23.838 INFO [stderr] | ^^^^^^ help: consider using `_sample` instead Nov 30 02:08:23.838 INFO [stderr] Nov 30 02:08:23.840 INFO [stderr] warning: variable does not need to be mutable Nov 30 02:08:23.840 INFO [stderr] --> src/main.rs:44:9 Nov 30 02:08:23.841 INFO [stderr] | Nov 30 02:08:23.841 INFO [stderr] 44 | let mut sample = Sample { key: 1 }; Nov 30 02:08:23.841 INFO [stderr] | ----^^^^^^ Nov 30 02:08:23.841 INFO [stderr] | | Nov 30 02:08:23.841 INFO [stderr] | help: remove this `mut` Nov 30 02:08:23.841 INFO [stderr] | Nov 30 02:08:23.841 INFO [stderr] = note: #[warn(unused_mut)] on by default Nov 30 02:08:23.841 INFO [stderr] Nov 30 02:08:23.841 INFO [stderr] warning: variable does not need to be mutable Nov 30 02:08:23.841 INFO [stderr] --> src/main.rs:60:9 Nov 30 02:08:23.841 INFO [stderr] | Nov 30 02:08:23.841 INFO [stderr] 60 | let mut sample = Sample { key: 1 }; Nov 30 02:08:23.841 INFO [stderr] | ----^^^^^^ Nov 30 02:08:23.841 INFO [stderr] | | Nov 30 02:08:23.841 INFO [stderr] | help: remove this `mut` Nov 30 02:08:23.841 INFO [stderr] Nov 30 02:08:23.841 INFO [stderr] warning: variable does not need to be mutable Nov 30 02:08:23.842 INFO [stderr] --> src/main.rs:113:9 Nov 30 02:08:23.842 INFO [stderr] | Nov 30 02:08:23.842 INFO [stderr] 113 | let mut sample = Sample { key: 1 }; Nov 30 02:08:23.842 INFO [stderr] | ----^^^^^^ Nov 30 02:08:23.842 INFO [stderr] | | Nov 30 02:08:23.842 INFO [stderr] | help: remove this `mut` Nov 30 02:08:23.842 INFO [stderr] Nov 30 02:08:23.842 INFO [stderr] warning: variable does not need to be mutable Nov 30 02:08:23.842 INFO [stderr] --> src/main.rs:121:9 Nov 30 02:08:23.842 INFO [stderr] | Nov 30 02:08:23.842 INFO [stderr] 121 | let mut sample = Sample { key: 1 }; Nov 30 02:08:23.842 INFO [stderr] | ----^^^^^^ Nov 30 02:08:23.842 INFO [stderr] | | Nov 30 02:08:23.842 INFO [stderr] | help: remove this `mut` Nov 30 02:08:23.842 INFO [stderr] Nov 30 02:08:23.842 INFO [stderr] warning: variable does not need to be mutable Nov 30 02:08:23.842 INFO [stderr] --> src/main.rs:130:9 Nov 30 02:08:23.842 INFO [stderr] | Nov 30 02:08:23.842 INFO [stderr] 130 | let mut sample = Sample { key: 1 }; Nov 30 02:08:23.842 INFO [stderr] | ----^^^^^^ Nov 30 02:08:23.842 INFO [stderr] | | Nov 30 02:08:23.842 INFO [stderr] | help: remove this `mut` Nov 30 02:08:23.842 INFO [stderr] Nov 30 02:08:23.842 INFO [stderr] warning: variable does not need to be mutable Nov 30 02:08:23.842 INFO [stderr] --> src/main.rs:137:9 Nov 30 02:08:23.842 INFO [stderr] | Nov 30 02:08:23.842 INFO [stderr] 137 | let mut sample = Sample { key: 1 }; Nov 30 02:08:23.842 INFO [stderr] | ----^^^^^^ Nov 30 02:08:23.842 INFO [stderr] | | Nov 30 02:08:23.842 INFO [stderr] | help: remove this `mut` Nov 30 02:08:23.842 INFO [stderr] Nov 30 02:08:23.842 INFO [stderr] warning: field is never used: `key` Nov 30 02:08:23.842 INFO [stderr] --> src/main.rs:2:3 Nov 30 02:08:23.842 INFO [stderr] | Nov 30 02:08:23.842 INFO [stderr] 2 | key: i32, Nov 30 02:08:23.842 INFO [stderr] | ^^^^^^^^ Nov 30 02:08:23.842 INFO [stderr] | Nov 30 02:08:23.842 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 30 02:08:23.842 INFO [stderr] Nov 30 02:08:23.842 INFO [stderr] warning: function is never used: `taking_mutable_sample` Nov 30 02:08:23.842 INFO [stderr] --> src/main.rs:11:1 Nov 30 02:08:23.842 INFO [stderr] | Nov 30 02:08:23.842 INFO [stderr] 11 | fn taking_mutable_sample(sample: &mut Sample) {} Nov 30 02:08:23.842 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 02:08:23.842 INFO [stderr] Nov 30 02:08:23.842 INFO [stderr] warning: function is never used: `mutable_binding_function_calls` Nov 30 02:08:23.842 INFO [stderr] --> src/main.rs:42:1 Nov 30 02:08:23.843 INFO [stderr] | Nov 30 02:08:23.843 INFO [stderr] 42 | fn mutable_binding_function_calls() { Nov 30 02:08:23.843 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 02:08:23.843 INFO [stderr] Nov 30 02:08:23.881 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.79s Nov 30 02:08:23.883 INFO [stderr] su: No module specific data is present Nov 30 02:08:25.032 INFO running `"docker" "inspect" "c114d7fba6469ce2925e72953f4ecfe731296e2fa70786aa458e1f243354fef6"` Nov 30 02:08:25.316 INFO running `"docker" "rm" "-f" "c114d7fba6469ce2925e72953f4ecfe731296e2fa70786aa458e1f243354fef6"` Nov 30 02:08:25.552 INFO [stdout] c114d7fba6469ce2925e72953f4ecfe731296e2fa70786aa458e1f243354fef6