Nov 30 01:39:04.269 INFO checking ilikeavocadoes/form_reader against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 01:39:04.269 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 01:39:04.712 INFO [stdout] 09b1b4c203c4107fb89638c398ca56593317e6a34f3843127408583046389b3a
Nov 30 01:39:04.714 INFO running `"docker" "start" "-a" "09b1b4c203c4107fb89638c398ca56593317e6a34f3843127408583046389b3a"`
Nov 30 01:39:05.456 INFO [stderr] usermod: no changes
Nov 30 01:39:05.665 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Nov 30 01:39:05.680 INFO [stderr]     Checking regex v1.0.0
Nov 30 01:39:05.682 INFO [stderr]     Checking num-bigint v0.1.44
Nov 30 01:39:05.684 INFO [stderr]     Checking alga v0.5.4
Nov 30 01:39:05.684 INFO [stderr]     Checking png v0.12.0
Nov 30 01:39:05.684 INFO [stderr]     Checking rusttype v0.5.2
Nov 30 01:39:07.476 INFO [stderr]     Checking crossbeam-deque v0.2.0
Nov 30 01:39:08.312 INFO [stderr]     Checking rayon-core v1.4.0
Nov 30 01:39:13.206 INFO [stderr]     Checking rayon v1.0.1
Nov 30 01:39:14.234 INFO [stderr]     Checking num-rational v0.1.42
Nov 30 01:39:16.533 INFO [stderr]     Checking env_logger v0.5.10
Nov 30 01:39:17.313 INFO [stderr]     Checking num v0.1.42
Nov 30 01:39:19.753 INFO [stderr]     Checking quickcheck v0.6.2
Nov 30 01:39:19.782 INFO [stderr]     Checking nalgebra v0.13.1
Nov 30 01:39:25.414 INFO [stderr]     Checking jpeg-decoder v0.1.14
Nov 30 01:39:28.597 INFO [stderr]     Checking image v0.19.0
Nov 30 01:39:58.624 INFO [stderr]     Checking imageproc v0.15.0
Nov 30 01:40:03.276 INFO [stderr]     Checking form_reader v0.1.0 (/source)
Nov 30 01:40:06.980 INFO [stderr] warning: unused variable: `x_out`
Nov 30 01:40:06.980 INFO [stderr]   --> src/main.rs:86:10
Nov 30 01:40:06.980 INFO [stderr]    |
Nov 30 01:40:06.980 INFO [stderr] 86 |     let (x_out, y_out) = (x - 1, y);
Nov 30 01:40:06.980 INFO [stderr]    |          ^^^^^ help: consider using `_x_out` instead
Nov 30 01:40:06.980 INFO [stderr]    |
Nov 30 01:40:06.980 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 01:40:06.980 INFO [stderr] 
Nov 30 01:40:06.980 INFO [stderr] warning: unused variable: `y_out`
Nov 30 01:40:06.980 INFO [stderr]   --> src/main.rs:86:17
Nov 30 01:40:06.980 INFO [stderr]    |
Nov 30 01:40:06.980 INFO [stderr] 86 |     let (x_out, y_out) = (x - 1, y);
Nov 30 01:40:06.980 INFO [stderr]    |                 ^^^^^ help: consider using `_y_out` instead
Nov 30 01:40:06.980 INFO [stderr] 
Nov 30 01:40:06.992 INFO [stderr] warning: unused variable: `x_first`
Nov 30 01:40:06.992 INFO [stderr]    --> src/main.rs:100:9
Nov 30 01:40:06.992 INFO [stderr]     |
Nov 30 01:40:06.992 INFO [stderr] 100 |     let x_first = x;
Nov 30 01:40:06.992 INFO [stderr]     |         ^^^^^^^ help: consider using `_x_first` instead
Nov 30 01:40:06.992 INFO [stderr] 
Nov 30 01:40:06.992 INFO [stderr] warning: unused variable: `y_first`
Nov 30 01:40:06.992 INFO [stderr]    --> src/main.rs:101:9
Nov 30 01:40:06.992 INFO [stderr]     |
Nov 30 01:40:06.992 INFO [stderr] 101 |     let y_first = y;
Nov 30 01:40:06.992 INFO [stderr]     |         ^^^^^^^ help: consider using `_y_first` instead
Nov 30 01:40:06.992 INFO [stderr] 
Nov 30 01:40:07.056 INFO [stderr] warning: variable does not need to be mutable
Nov 30 01:40:07.057 INFO [stderr]   --> src/main.rs:98:81
Nov 30 01:40:07.057 INFO [stderr]    |
Nov 30 01:40:07.057 INFO [stderr] 98 | fn follow_contour(img: &image::GrayImage, x: i64, y: i64, direction: Direction, mut contour: Vec<(i64, i64)>) -> Vec<(i64, i64)> {
Nov 30 01:40:07.057 INFO [stderr]    |                                                                                 ----^^^^^^^
Nov 30 01:40:07.058 INFO [stderr]    |                                                                                 |
Nov 30 01:40:07.060 INFO [stderr]    |                                                                                 help: remove this `mut`
Nov 30 01:40:07.060 INFO [stderr]    |
Nov 30 01:40:07.060 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 01:40:07.060 INFO [stderr] 
Nov 30 01:40:07.149 INFO [stderr] warning: unused variable: `x_out`
Nov 30 01:40:07.149 INFO [stderr]   --> src/main.rs:86:10
Nov 30 01:40:07.149 INFO [stderr]    |
Nov 30 01:40:07.149 INFO [stderr] 86 |     let (x_out, y_out) = (x - 1, y);
Nov 30 01:40:07.149 INFO [stderr]    |          ^^^^^ help: consider using `_x_out` instead
Nov 30 01:40:07.149 INFO [stderr]    |
Nov 30 01:40:07.149 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 01:40:07.149 INFO [stderr] 
Nov 30 01:40:07.149 INFO [stderr] warning: unused variable: `y_out`
Nov 30 01:40:07.149 INFO [stderr]   --> src/main.rs:86:17
Nov 30 01:40:07.149 INFO [stderr]    |
Nov 30 01:40:07.149 INFO [stderr] 86 |     let (x_out, y_out) = (x - 1, y);
Nov 30 01:40:07.149 INFO [stderr]    |                 ^^^^^ help: consider using `_y_out` instead
Nov 30 01:40:07.149 INFO [stderr] 
Nov 30 01:40:07.149 INFO [stderr] warning: unused variable: `x_first`
Nov 30 01:40:07.149 INFO [stderr]    --> src/main.rs:100:9
Nov 30 01:40:07.149 INFO [stderr]     |
Nov 30 01:40:07.149 INFO [stderr] 100 |     let x_first = x;
Nov 30 01:40:07.149 INFO [stderr]     |         ^^^^^^^ help: consider using `_x_first` instead
Nov 30 01:40:07.149 INFO [stderr] 
Nov 30 01:40:07.149 INFO [stderr] warning: unused variable: `y_first`
Nov 30 01:40:07.149 INFO [stderr]    --> src/main.rs:101:9
Nov 30 01:40:07.149 INFO [stderr]     |
Nov 30 01:40:07.149 INFO [stderr] 101 |     let y_first = y;
Nov 30 01:40:07.149 INFO [stderr]     |         ^^^^^^^ help: consider using `_y_first` instead
Nov 30 01:40:07.149 INFO [stderr] 
Nov 30 01:40:07.186 INFO [stderr] warning: variable does not need to be mutable
Nov 30 01:40:07.186 INFO [stderr]   --> src/main.rs:98:81
Nov 30 01:40:07.186 INFO [stderr]    |
Nov 30 01:40:07.186 INFO [stderr] 98 | fn follow_contour(img: &image::GrayImage, x: i64, y: i64, direction: Direction, mut contour: Vec<(i64, i64)>) -> Vec<(i64, i64)> {
Nov 30 01:40:07.192 INFO [stderr]    |                                                                                 ----^^^^^^^
Nov 30 01:40:07.192 INFO [stderr]    |                                                                                 |
Nov 30 01:40:07.192 INFO [stderr]    |                                                                                 help: remove this `mut`
Nov 30 01:40:07.192 INFO [stderr]    |
Nov 30 01:40:07.192 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 01:40:07.192 INFO [stderr] 
Nov 30 01:40:07.238 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
Nov 30 01:40:07.248 INFO [stderr] su: No module specific data is present
Nov 30 01:40:07.861 INFO running `"docker" "inspect" "09b1b4c203c4107fb89638c398ca56593317e6a34f3843127408583046389b3a"`
Nov 30 01:40:08.167 INFO running `"docker" "rm" "-f" "09b1b4c203c4107fb89638c398ca56593317e6a34f3843127408583046389b3a"`
Nov 30 01:40:08.524 INFO [stdout] 09b1b4c203c4107fb89638c398ca56593317e6a34f3843127408583046389b3a