Nov 01 08:39:40.695 INFO testing hardvain/rust-practice against 1.30.0 for beta-1.31-1
Nov 01 08:39:40.696 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-4/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-1/1.30.0:/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 +1.30.0 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 08:39:41.167 INFO blam! 11525e0ad2812ba49dbace3b35aade2cbbcbf6584577f3458dc8b8dcb78c64fa
Nov 01 08:39:41.169 INFO running `"docker" "start" "-a" "11525e0ad2812ba49dbace3b35aade2cbbcbf6584577f3458dc8b8dcb78c64fa"`
Nov 01 08:39:42.524 INFO kablam! usermod: no changes
Nov 01 08:39:42.552 INFO kablam!    Compiling practice v0.1.0 (/source)
Nov 01 08:39:42.847 INFO kablam! warning: unused variable: `sample`
Nov 01 08:39:42.847 INFO kablam!  --> src/main.rs:9:24
Nov 01 08:39:42.847 INFO kablam!   |
Nov 01 08:39:42.847 INFO kablam! 9 | fn taking_owned_sample(sample: Sample) {}
Nov 01 08:39:42.847 INFO kablam!   |                        ^^^^^^ help: consider using `_sample` instead
Nov 01 08:39:42.847 INFO kablam!   |
Nov 01 08:39:42.847 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 01 08:39:42.847 INFO kablam! 
Nov 01 08:39:42.847 INFO kablam! warning: unused variable: `sample`
Nov 01 08:39:42.847 INFO kablam!   --> src/main.rs:10:25
Nov 01 08:39:42.847 INFO kablam!    |
Nov 01 08:39:42.847 INFO kablam! 10 | fn taking_shared_sample(sample: &Sample) {}
Nov 01 08:39:42.847 INFO kablam!    |                         ^^^^^^ help: consider using `_sample` instead
Nov 01 08:39:42.847 INFO kablam! 
Nov 01 08:39:42.847 INFO kablam! warning: unused variable: `sample`
Nov 01 08:39:42.847 INFO kablam!   --> src/main.rs:11:26
Nov 01 08:39:42.847 INFO kablam!    |
Nov 01 08:39:42.847 INFO kablam! 11 | fn taking_mutable_sample(sample: &mut Sample) {}
Nov 01 08:39:42.847 INFO kablam!    |                          ^^^^^^ help: consider using `_sample` instead
Nov 01 08:39:42.847 INFO kablam! 
Nov 01 08:39:42.847 INFO kablam! warning: unused variable: `sample`
Nov 01 08:39:42.847 INFO kablam!   --> src/main.rs:37:9
Nov 01 08:39:42.847 INFO kablam!    |
Nov 01 08:39:42.847 INFO kablam! 37 |     let sample = Sample { key: 1 };
Nov 01 08:39:42.847 INFO kablam!    |         ^^^^^^ help: consider using `_sample` instead
Nov 01 08:39:42.847 INFO kablam! 
Nov 01 08:39:42.851 INFO kablam! warning: variable does not need to be mutable
Nov 01 08:39:42.851 INFO kablam!   --> src/main.rs:44:9
Nov 01 08:39:42.851 INFO kablam!    |
Nov 01 08:39:42.851 INFO kablam! 44 |     let mut sample = Sample { key: 1 };
Nov 01 08:39:42.851 INFO kablam!    |         ----^^^^^^
Nov 01 08:39:42.851 INFO kablam!    |         |
Nov 01 08:39:42.851 INFO kablam!    |         help: remove this `mut`
Nov 01 08:39:42.851 INFO kablam!    |
Nov 01 08:39:42.851 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 08:39:42.851 INFO kablam! 
Nov 01 08:39:42.851 INFO kablam! warning: variable does not need to be mutable
Nov 01 08:39:42.851 INFO kablam!   --> src/main.rs:60:9
Nov 01 08:39:42.851 INFO kablam!    |
Nov 01 08:39:42.851 INFO kablam! 60 |     let mut sample = Sample { key: 1 };
Nov 01 08:39:42.851 INFO kablam!    |         ----^^^^^^
Nov 01 08:39:42.851 INFO kablam!    |         |
Nov 01 08:39:42.851 INFO kablam!    |         help: remove this `mut`
Nov 01 08:39:42.851 INFO kablam! 
Nov 01 08:39:42.851 INFO kablam! warning: variable does not need to be mutable
Nov 01 08:39:42.851 INFO kablam!    --> src/main.rs:113:9
Nov 01 08:39:42.851 INFO kablam!     |
Nov 01 08:39:42.851 INFO kablam! 113 |     let mut sample = Sample { key: 1 };
Nov 01 08:39:42.851 INFO kablam!     |         ----^^^^^^
Nov 01 08:39:42.851 INFO kablam!     |         |
Nov 01 08:39:42.851 INFO kablam!     |         help: remove this `mut`
Nov 01 08:39:42.851 INFO kablam! 
Nov 01 08:39:42.851 INFO kablam! warning: variable does not need to be mutable
Nov 01 08:39:42.851 INFO kablam!    --> src/main.rs:121:9
Nov 01 08:39:42.851 INFO kablam!     |
Nov 01 08:39:42.851 INFO kablam! 121 |     let mut sample = Sample { key: 1 };
Nov 01 08:39:42.851 INFO kablam!     |         ----^^^^^^
Nov 01 08:39:42.851 INFO kablam!     |         |
Nov 01 08:39:42.851 INFO kablam!     |         help: remove this `mut`
Nov 01 08:39:42.851 INFO kablam! 
Nov 01 08:39:42.851 INFO kablam! warning: variable does not need to be mutable
Nov 01 08:39:42.851 INFO kablam!    --> src/main.rs:130:9
Nov 01 08:39:42.851 INFO kablam!     |
Nov 01 08:39:42.851 INFO kablam! 130 |     let mut sample = Sample { key: 1 };
Nov 01 08:39:42.851 INFO kablam!     |         ----^^^^^^
Nov 01 08:39:42.851 INFO kablam!     |         |
Nov 01 08:39:42.851 INFO kablam!     |         help: remove this `mut`
Nov 01 08:39:42.851 INFO kablam! 
Nov 01 08:39:42.851 INFO kablam! warning: variable does not need to be mutable
Nov 01 08:39:42.851 INFO kablam!    --> src/main.rs:137:9
Nov 01 08:39:42.851 INFO kablam!     |
Nov 01 08:39:42.851 INFO kablam! 137 |     let mut sample = Sample { key: 1 };
Nov 01 08:39:42.851 INFO kablam!     |         ----^^^^^^
Nov 01 08:39:42.851 INFO kablam!     |         |
Nov 01 08:39:42.852 INFO kablam!     |         help: remove this `mut`
Nov 01 08:39:42.852 INFO kablam! 
Nov 01 08:39:42.852 INFO kablam! warning: field is never used: `key`
Nov 01 08:39:42.852 INFO kablam!  --> src/main.rs:2:3
Nov 01 08:39:42.852 INFO kablam!   |
Nov 01 08:39:42.852 INFO kablam! 2 |   key: i32,
Nov 01 08:39:42.852 INFO kablam!   |   ^^^^^^^^
Nov 01 08:39:42.852 INFO kablam!   |
Nov 01 08:39:42.852 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 08:39:42.852 INFO kablam! 
Nov 01 08:39:42.852 INFO kablam! warning: function is never used: `taking_mutable_sample`
Nov 01 08:39:42.852 INFO kablam!   --> src/main.rs:11:1
Nov 01 08:39:42.852 INFO kablam!    |
Nov 01 08:39:42.852 INFO kablam! 11 | fn taking_mutable_sample(sample: &mut Sample) {}
Nov 01 08:39:42.852 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:39:42.852 INFO kablam! 
Nov 01 08:39:42.852 INFO kablam! warning: function is never used: `mutable_binding_function_calls`
Nov 01 08:39:42.852 INFO kablam!   --> src/main.rs:42:1
Nov 01 08:39:42.852 INFO kablam!    |
Nov 01 08:39:42.852 INFO kablam! 42 | fn mutable_binding_function_calls() {
Nov 01 08:39:42.852 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:39:42.852 INFO kablam! 
Nov 01 08:39:43.183 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
Nov 01 08:39:43.183 INFO kablam! su: No module specific data is present
Nov 01 08:39:43.779 INFO running `"docker" "rm" "-f" "11525e0ad2812ba49dbace3b35aade2cbbcbf6584577f3458dc8b8dcb78c64fa"`
Nov 01 08:39:44.015 INFO blam! 11525e0ad2812ba49dbace3b35aade2cbbcbf6584577f3458dc8b8dcb78c64fa
Nov 01 08:39:44.023 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-4/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-1/1.30.0:/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 +1.30.0 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 08:39:44.549 INFO blam! cc0fe6f919c296be6ae14e5b40399502632a1feb0af79f538ed3a4f24c903975
Nov 01 08:39:44.552 INFO running `"docker" "start" "-a" "cc0fe6f919c296be6ae14e5b40399502632a1feb0af79f538ed3a4f24c903975"`
Nov 01 08:39:45.387 INFO kablam! usermod: no changes
Nov 01 08:39:45.409 INFO kablam!    Compiling practice v0.1.0 (/source)
Nov 01 08:39:45.747 INFO kablam! warning: unused variable: `sample`
Nov 01 08:39:45.747 INFO kablam!  --> src/main.rs:9:24
Nov 01 08:39:45.748 INFO kablam!   |
Nov 01 08:39:45.748 INFO kablam! 9 | fn taking_owned_sample(sample: Sample) {}
Nov 01 08:39:45.748 INFO kablam!   |                        ^^^^^^ help: consider using `_sample` instead
Nov 01 08:39:45.749 INFO kablam!   |
Nov 01 08:39:45.749 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 01 08:39:45.749 INFO kablam! 
Nov 01 08:39:45.750 INFO kablam! warning: unused variable: `sample`
Nov 01 08:39:45.750 INFO kablam!   --> src/main.rs:10:25
Nov 01 08:39:45.750 INFO kablam!    |
Nov 01 08:39:45.750 INFO kablam! 10 | fn taking_shared_sample(sample: &Sample) {}
Nov 01 08:39:45.751 INFO kablam!    |                         ^^^^^^ help: consider using `_sample` instead
Nov 01 08:39:45.751 INFO kablam! 
Nov 01 08:39:45.751 INFO kablam! warning: unused variable: `sample`
Nov 01 08:39:45.752 INFO kablam!   --> src/main.rs:11:26
Nov 01 08:39:45.752 INFO kablam!    |
Nov 01 08:39:45.752 INFO kablam! 11 | fn taking_mutable_sample(sample: &mut Sample) {}
Nov 01 08:39:45.752 INFO kablam!    |                          ^^^^^^ help: consider using `_sample` instead
Nov 01 08:39:45.752 INFO kablam! 
Nov 01 08:39:45.752 INFO kablam! warning: unused variable: `sample`
Nov 01 08:39:45.752 INFO kablam!   --> src/main.rs:37:9
Nov 01 08:39:45.752 INFO kablam!    |
Nov 01 08:39:45.752 INFO kablam! 37 |     let sample = Sample { key: 1 };
Nov 01 08:39:45.752 INFO kablam!    |         ^^^^^^ help: consider using `_sample` instead
Nov 01 08:39:45.752 INFO kablam! 
Nov 01 08:39:45.752 INFO kablam! warning: variable does not need to be mutable
Nov 01 08:39:45.752 INFO kablam!   --> src/main.rs:44:9
Nov 01 08:39:45.752 INFO kablam!    |
Nov 01 08:39:45.752 INFO kablam! 44 |     let mut sample = Sample { key: 1 };
Nov 01 08:39:45.752 INFO kablam!    |         ----^^^^^^
Nov 01 08:39:45.752 INFO kablam!    |         |
Nov 01 08:39:45.752 INFO kablam!    |         help: remove this `mut`
Nov 01 08:39:45.753 INFO kablam!    |
Nov 01 08:39:45.753 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 08:39:45.753 INFO kablam! 
Nov 01 08:39:45.753 INFO kablam! warning: variable does not need to be mutable
Nov 01 08:39:45.753 INFO kablam!   --> src/main.rs:60:9
Nov 01 08:39:45.753 INFO kablam!    |
Nov 01 08:39:45.753 INFO kablam! 60 |     let mut sample = Sample { key: 1 };
Nov 01 08:39:45.753 INFO kablam!    |         ----^^^^^^
Nov 01 08:39:45.753 INFO kablam!    |         |
Nov 01 08:39:45.753 INFO kablam!    |         help: remove this `mut`
Nov 01 08:39:45.753 INFO kablam! 
Nov 01 08:39:45.753 INFO kablam! warning: variable does not need to be mutable
Nov 01 08:39:45.753 INFO kablam!    --> src/main.rs:113:9
Nov 01 08:39:45.753 INFO kablam!     |
Nov 01 08:39:45.753 INFO kablam! 113 |     let mut sample = Sample { key: 1 };
Nov 01 08:39:45.753 INFO kablam!     |         ----^^^^^^
Nov 01 08:39:45.753 INFO kablam!     |         |
Nov 01 08:39:45.753 INFO kablam!     |         help: remove this `mut`
Nov 01 08:39:45.753 INFO kablam! 
Nov 01 08:39:45.753 INFO kablam! warning: variable does not need to be mutable
Nov 01 08:39:45.753 INFO kablam!    --> src/main.rs:121:9
Nov 01 08:39:45.753 INFO kablam!     |
Nov 01 08:39:45.753 INFO kablam! 121 |     let mut sample = Sample { key: 1 };
Nov 01 08:39:45.753 INFO kablam!     |         ----^^^^^^
Nov 01 08:39:45.753 INFO kablam!     |         |
Nov 01 08:39:45.754 INFO kablam!     |         help: remove this `mut`
Nov 01 08:39:45.754 INFO kablam! 
Nov 01 08:39:45.754 INFO kablam! warning: variable does not need to be mutable
Nov 01 08:39:45.754 INFO kablam!    --> src/main.rs:130:9
Nov 01 08:39:45.754 INFO kablam!     |
Nov 01 08:39:45.754 INFO kablam! 130 |     let mut sample = Sample { key: 1 };
Nov 01 08:39:45.754 INFO kablam!     |         ----^^^^^^
Nov 01 08:39:45.754 INFO kablam!     |         |
Nov 01 08:39:45.754 INFO kablam!     |         help: remove this `mut`
Nov 01 08:39:45.754 INFO kablam! 
Nov 01 08:39:45.754 INFO kablam! warning: variable does not need to be mutable
Nov 01 08:39:45.754 INFO kablam!    --> src/main.rs:137:9
Nov 01 08:39:45.754 INFO kablam!     |
Nov 01 08:39:45.754 INFO kablam! 137 |     let mut sample = Sample { key: 1 };
Nov 01 08:39:45.754 INFO kablam!     |         ----^^^^^^
Nov 01 08:39:45.754 INFO kablam!     |         |
Nov 01 08:39:45.754 INFO kablam!     |         help: remove this `mut`
Nov 01 08:39:45.754 INFO kablam! 
Nov 01 08:39:45.754 INFO kablam! warning: field is never used: `key`
Nov 01 08:39:45.754 INFO kablam!  --> src/main.rs:2:3
Nov 01 08:39:45.754 INFO kablam!   |
Nov 01 08:39:45.754 INFO kablam! 2 |   key: i32,
Nov 01 08:39:45.754 INFO kablam!   |   ^^^^^^^^
Nov 01 08:39:45.755 INFO kablam!   |
Nov 01 08:39:45.755 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 08:39:45.755 INFO kablam! 
Nov 01 08:39:45.755 INFO kablam! warning: function is never used: `taking_mutable_sample`
Nov 01 08:39:45.755 INFO kablam!   --> src/main.rs:11:1
Nov 01 08:39:45.755 INFO kablam!    |
Nov 01 08:39:45.755 INFO kablam! 11 | fn taking_mutable_sample(sample: &mut Sample) {}
Nov 01 08:39:45.755 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:39:45.755 INFO kablam! 
Nov 01 08:39:45.755 INFO kablam! warning: function is never used: `mutable_binding_function_calls`
Nov 01 08:39:45.755 INFO kablam!   --> src/main.rs:42:1
Nov 01 08:39:45.755 INFO kablam!    |
Nov 01 08:39:45.755 INFO kablam! 42 | fn mutable_binding_function_calls() {
Nov 01 08:39:45.755 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:39:45.755 INFO kablam! 
Nov 01 08:39:46.184 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Nov 01 08:39:46.189 INFO kablam! su: No module specific data is present
Nov 01 08:39:46.615 INFO running `"docker" "rm" "-f" "cc0fe6f919c296be6ae14e5b40399502632a1feb0af79f538ed3a4f24c903975"`
Nov 01 08:39:46.779 INFO blam! cc0fe6f919c296be6ae14e5b40399502632a1feb0af79f538ed3a4f24c903975
Nov 01 08:39:46.787 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-4/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-1/1.30.0:/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 +1.30.0 test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 08:39:47.101 INFO blam! 97d7281e46bec99007451b34898a3a3d232dceb842fb827f56a1ebc754618a7d
Nov 01 08:39:47.111 INFO running `"docker" "start" "-a" "97d7281e46bec99007451b34898a3a3d232dceb842fb827f56a1ebc754618a7d"`
Nov 01 08:39:48.535 INFO kablam! usermod: no changes
Nov 01 08:39:48.607 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Nov 01 08:39:48.607 INFO kablam!      Running /target/debug/deps/practice-2c302c2b3f9849e2
Nov 01 08:39:48.609 INFO blam! 
Nov 01 08:39:48.609 INFO blam! running 0 tests
Nov 01 08:39:48.609 INFO blam! 
Nov 01 08:39:48.609 INFO blam! test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 01 08:39:48.609 INFO blam! 
Nov 01 08:39:48.610 INFO kablam! su: No module specific data is present
Nov 01 08:39:50.287 INFO running `"docker" "rm" "-f" "97d7281e46bec99007451b34898a3a3d232dceb842fb827f56a1ebc754618a7d"`
Nov 01 08:39:50.543 INFO blam! 97d7281e46bec99007451b34898a3a3d232dceb842fb827f56a1ebc754618a7d
