Oct 13 01:54:00.251 INFO checking YoshikuniJujo/learn_rust against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 01:54:00.251 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 13 01:54:01.012 INFO blam! ca1ba26264ea0c19715adc1303839b1625a6e9c2cc1e9a7e40df9b106a6d0ba7
Oct 13 01:54:01.017 INFO running `"docker" "start" "-a" "ca1ba26264ea0c19715adc1303839b1625a6e9c2cc1e9a7e40df9b106a6d0ba7"`
Oct 13 01:54:02.096 INFO kablam! usermod: no changes
Oct 13 01:54:02.190 INFO kablam!     Checking learn_rust v0.1.0 (/source)
Oct 13 01:54:06.368 INFO kablam! warning: function is never used: `foo`
Oct 13 01:54:06.368 INFO kablam!   --> src/ownership.rs:26:1
Oct 13 01:54:06.368 INFO kablam!    |
Oct 13 01:54:06.368 INFO kablam! 26 | fn foo(v: Vec<i32>) -> Vec<i32> {
Oct 13 01:54:06.368 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 01:54:06.368 INFO kablam!    |
Oct 13 01:54:06.368 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 01:54:06.368 INFO kablam! 
Oct 13 01:54:08.168 INFO kablam! warning: function is never used: `foo`
Oct 13 01:54:08.169 INFO kablam!   --> src/ownership.rs:26:1
Oct 13 01:54:08.170 INFO kablam!    |
Oct 13 01:54:08.170 INFO kablam! 26 | fn foo(v: Vec<i32>) -> Vec<i32> {
Oct 13 01:54:08.171 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 01:54:08.178 INFO kablam!    |
Oct 13 01:54:08.208 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 01:54:08.216 INFO kablam! 
Oct 13 01:54:09.376 INFO kablam! warning: value assigned to `x` is never read
Oct 13 01:54:09.377 INFO kablam!  --> src/mutability.rs:9:10
Oct 13 01:54:09.377 INFO kablam!   |
Oct 13 01:54:09.377 INFO kablam! 9 |     let mut x = 5;
Oct 13 01:54:09.377 INFO kablam!   |             ^
Oct 13 01:54:09.377 INFO kablam!   |
Oct 13 01:54:09.377 INFO kablam!   = note: #[warn(unused_assignments)] on by default
Oct 13 01:54:09.377 INFO kablam! 
Oct 13 01:54:09.377 INFO kablam! warning: variable `y` is assigned to, but never used
Oct 13 01:54:09.377 INFO kablam!   --> src/mutability.rs:13:10
Oct 13 01:54:09.377 INFO kablam!    |
Oct 13 01:54:09.377 INFO kablam! 13 |     let mut y = &mut x;
Oct 13 01:54:09.377 INFO kablam!    |             ^
Oct 13 01:54:09.377 INFO kablam!    |
Oct 13 01:54:09.377 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 01:54:09.377 INFO kablam!    = note: consider using `_y` instead
Oct 13 01:54:09.377 INFO kablam! 
Oct 13 01:54:09.377 INFO kablam! warning: value assigned to `y` is never read
Oct 13 01:54:09.377 INFO kablam!   --> src/mutability.rs:14:2
Oct 13 01:54:09.377 INFO kablam!    |
Oct 13 01:54:09.377 INFO kablam! 14 |     y = &mut z;
Oct 13 01:54:09.377 INFO kablam!    |     ^
Oct 13 01:54:09.377 INFO kablam! 
Oct 13 01:54:09.404 INFO kablam! warning: field is never used: `x`
Oct 13 01:54:09.405 INFO kablam!  --> src/mutability.rs:4:2
Oct 13 01:54:09.405 INFO kablam!   |
Oct 13 01:54:09.405 INFO kablam! 4 |     x: i32,
Oct 13 01:54:09.405 INFO kablam!   |     ^^^^^^
Oct 13 01:54:09.405 INFO kablam!   |
Oct 13 01:54:09.405 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 13 01:54:09.405 INFO kablam! 
Oct 13 01:54:10.164 INFO kablam! warning: value assigned to `x` is never read
Oct 13 01:54:10.165 INFO kablam!  --> src/mutability.rs:9:10
Oct 13 01:54:10.166 INFO kablam!   |
Oct 13 01:54:10.166 INFO kablam! 9 |     let mut x = 5;
Oct 13 01:54:10.166 INFO kablam!   |             ^
Oct 13 01:54:10.167 INFO kablam!   |
Oct 13 01:54:10.172 INFO kablam!   = note: #[warn(unused_assignments)] on by default
Oct 13 01:54:10.172 INFO kablam! 
Oct 13 01:54:10.176 INFO kablam! warning: variable `y` is assigned to, but never used
Oct 13 01:54:10.176 INFO kablam!   --> src/mutability.rs:13:10
Oct 13 01:54:10.176 INFO kablam!    |
Oct 13 01:54:10.176 INFO kablam! 13 |     let mut y = &mut x;
Oct 13 01:54:10.176 INFO kablam!    |             ^
Oct 13 01:54:10.176 INFO kablam!    |
Oct 13 01:54:10.178 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 01:54:10.178 INFO kablam!    = note: consider using `_y` instead
Oct 13 01:54:10.178 INFO kablam! 
Oct 13 01:54:10.179 INFO kablam! warning: value assigned to `y` is never read
Oct 13 01:54:10.179 INFO kablam!   --> src/mutability.rs:14:2
Oct 13 01:54:10.179 INFO kablam!    |
Oct 13 01:54:10.179 INFO kablam! 14 |     y = &mut z;
Oct 13 01:54:10.179 INFO kablam!    |     ^
Oct 13 01:54:10.179 INFO kablam! 
Oct 13 01:54:10.188 INFO kablam! warning: field is never used: `x`
Oct 13 01:54:10.188 INFO kablam!  --> src/mutability.rs:4:2
Oct 13 01:54:10.188 INFO kablam!   |
Oct 13 01:54:10.188 INFO kablam! 4 |     x: i32,
Oct 13 01:54:10.188 INFO kablam!   |     ^^^^^^
Oct 13 01:54:10.190 INFO kablam!   |
Oct 13 01:54:10.190 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 13 01:54:10.190 INFO kablam! 
Oct 13 01:54:11.596 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.47s
Oct 13 01:54:11.608 INFO kablam! su: No module specific data is present
Oct 13 01:54:12.858 INFO running `"docker" "rm" "-f" "ca1ba26264ea0c19715adc1303839b1625a6e9c2cc1e9a7e40df9b106a6d0ba7"`
Oct 13 01:54:13.177 INFO blam! ca1ba26264ea0c19715adc1303839b1625a6e9c2cc1e9a7e40df9b106a6d0ba7