Dec 13 16:52:17.911 INFO testing ilikeavocadoes/form_reader against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 16:52:17.911 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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"`
Dec 13 16:52:18.122 INFO [stdout] 05f15abe810548b057f69b8ccfe316ae7c485931c4786fd985d5666a0fdf5d13
Dec 13 16:52:18.128 INFO running `"docker" "start" "-a" "05f15abe810548b057f69b8ccfe316ae7c485931c4786fd985d5666a0fdf5d13"`
Dec 13 16:52:18.861 INFO [stderr] usermod: no changes
Dec 13 16:52:19.139 INFO [stderr]    Compiling crossbeam-epoch v0.3.1
Dec 13 16:52:19.197 INFO [stderr]    Compiling syn v0.14.0
Dec 13 16:52:19.197 INFO [stderr]    Compiling ordered-float v0.5.0
Dec 13 16:52:19.197 INFO [stderr]    Compiling alga v0.5.4
Dec 13 16:52:19.197 INFO [stderr]    Compiling env_logger v0.5.10
Dec 13 16:52:19.197 INFO [stderr]    Compiling png v0.12.0
Dec 13 16:52:22.099 INFO [stderr]    Compiling rusttype v0.5.2
Dec 13 16:52:23.579 INFO [stderr]    Compiling crossbeam-deque v0.2.0
Dec 13 16:52:28.160 INFO [stderr]    Compiling rayon-core v1.4.0
Dec 13 16:52:28.340 INFO [stderr]    Compiling quickcheck v0.6.2
Dec 13 16:52:36.121 INFO [stderr]    Compiling rayon v1.0.1
Dec 13 16:52:39.983 INFO [stderr]    Compiling nalgebra v0.13.1
Dec 13 16:52:48.667 INFO [stderr]    Compiling num-derive v0.2.2
Dec 13 16:52:53.785 INFO [stderr]    Compiling jpeg-decoder v0.1.14
Dec 13 16:52:59.315 INFO [stderr]    Compiling image v0.19.0
Dec 13 16:53:38.627 INFO [stderr]    Compiling imageproc v0.15.0
Dec 13 16:53:46.091 INFO [stderr]    Compiling form_reader v0.1.0 (/source)
Dec 13 16:53:48.867 INFO [stderr] warning: unused variable: `x_out`
Dec 13 16:53:48.867 INFO [stderr]   --> src/main.rs:86:10
Dec 13 16:53:48.867 INFO [stderr]    |
Dec 13 16:53:48.867 INFO [stderr] 86 |     let (x_out, y_out) = (x - 1, y);
Dec 13 16:53:48.867 INFO [stderr]    |          ^^^^^ help: consider using `_x_out` instead
Dec 13 16:53:48.867 INFO [stderr]    |
Dec 13 16:53:48.867 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 16:53:48.867 INFO [stderr] 
Dec 13 16:53:48.867 INFO [stderr] warning: unused variable: `y_out`
Dec 13 16:53:48.867 INFO [stderr]   --> src/main.rs:86:17
Dec 13 16:53:48.867 INFO [stderr]    |
Dec 13 16:53:48.867 INFO [stderr] 86 |     let (x_out, y_out) = (x - 1, y);
Dec 13 16:53:48.867 INFO [stderr]    |                 ^^^^^ help: consider using `_y_out` instead
Dec 13 16:53:48.867 INFO [stderr] 
Dec 13 16:53:48.867 INFO [stderr] warning: unused variable: `x_first`
Dec 13 16:53:48.867 INFO [stderr]    --> src/main.rs:100:9
Dec 13 16:53:48.867 INFO [stderr]     |
Dec 13 16:53:48.867 INFO [stderr] 100 |     let x_first = x;
Dec 13 16:53:48.867 INFO [stderr]     |         ^^^^^^^ help: consider using `_x_first` instead
Dec 13 16:53:48.867 INFO [stderr] 
Dec 13 16:53:48.867 INFO [stderr] warning: unused variable: `y_first`
Dec 13 16:53:48.867 INFO [stderr]    --> src/main.rs:101:9
Dec 13 16:53:48.867 INFO [stderr]     |
Dec 13 16:53:48.867 INFO [stderr] 101 |     let y_first = y;
Dec 13 16:53:48.867 INFO [stderr]     |         ^^^^^^^ help: consider using `_y_first` instead
Dec 13 16:53:48.867 INFO [stderr] 
Dec 13 16:53:48.903 INFO [stderr] warning: variable does not need to be mutable
Dec 13 16:53:48.903 INFO [stderr]   --> src/main.rs:98:81
Dec 13 16:53:48.903 INFO [stderr]    |
Dec 13 16:53:48.903 INFO [stderr] 98 | fn follow_contour(img: &image::GrayImage, x: i64, y: i64, direction: Direction, mut contour: Vec<(i64, i64)>) -> Vec<(i64, i64)> {
Dec 13 16:53:48.903 INFO [stderr]    |                                                                                 ----^^^^^^^
Dec 13 16:53:48.903 INFO [stderr]    |                                                                                 |
Dec 13 16:53:48.903 INFO [stderr]    |                                                                                 help: remove this `mut`
Dec 13 16:53:48.903 INFO [stderr]    |
Dec 13 16:53:48.903 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 16:53:48.903 INFO [stderr] 
Dec 13 16:53:53.190 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 34s
Dec 13 16:53:53.202 INFO [stderr] su: No module specific data is present
Dec 13 16:53:54.096 INFO running `"docker" "inspect" "05f15abe810548b057f69b8ccfe316ae7c485931c4786fd985d5666a0fdf5d13"`
Dec 13 16:53:54.435 INFO running `"docker" "rm" "-f" "05f15abe810548b057f69b8ccfe316ae7c485931c4786fd985d5666a0fdf5d13"`
Dec 13 16:53:54.812 INFO [stdout] 05f15abe810548b057f69b8ccfe316ae7c485931c4786fd985d5666a0fdf5d13
Dec 13 16:53:54.909 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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"`
Dec 13 16:53:55.491 INFO [stdout] 211add974c0b50e7cbe9acc4156f1ddb2a7432a883eadd3e6518ebd234de00ac
Dec 13 16:53:55.497 INFO running `"docker" "start" "-a" "211add974c0b50e7cbe9acc4156f1ddb2a7432a883eadd3e6518ebd234de00ac"`
Dec 13 16:53:57.503 INFO [stderr] usermod: no changes
Dec 13 16:53:57.659 INFO [stderr]    Compiling form_reader v0.1.0 (/source)
Dec 13 16:54:00.723 INFO [stderr] warning: unused variable: `x_out`
Dec 13 16:54:00.723 INFO [stderr]   --> src/main.rs:86:10
Dec 13 16:54:00.723 INFO [stderr]    |
Dec 13 16:54:00.723 INFO [stderr] 86 |     let (x_out, y_out) = (x - 1, y);
Dec 13 16:54:00.723 INFO [stderr]    |          ^^^^^ help: consider using `_x_out` instead
Dec 13 16:54:00.723 INFO [stderr]    |
Dec 13 16:54:00.723 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 16:54:00.723 INFO [stderr] 
Dec 13 16:54:00.723 INFO [stderr] warning: unused variable: `y_out`
Dec 13 16:54:00.723 INFO [stderr]   --> src/main.rs:86:17
Dec 13 16:54:00.723 INFO [stderr]    |
Dec 13 16:54:00.723 INFO [stderr] 86 |     let (x_out, y_out) = (x - 1, y);
Dec 13 16:54:00.723 INFO [stderr]    |                 ^^^^^ help: consider using `_y_out` instead
Dec 13 16:54:00.723 INFO [stderr] 
Dec 13 16:54:00.723 INFO [stderr] warning: unused variable: `x_first`
Dec 13 16:54:00.723 INFO [stderr]    --> src/main.rs:100:9
Dec 13 16:54:00.723 INFO [stderr]     |
Dec 13 16:54:00.723 INFO [stderr] 100 |     let x_first = x;
Dec 13 16:54:00.723 INFO [stderr]     |         ^^^^^^^ help: consider using `_x_first` instead
Dec 13 16:54:00.723 INFO [stderr] 
Dec 13 16:54:00.723 INFO [stderr] warning: unused variable: `y_first`
Dec 13 16:54:00.723 INFO [stderr]    --> src/main.rs:101:9
Dec 13 16:54:00.723 INFO [stderr]     |
Dec 13 16:54:00.723 INFO [stderr] 101 |     let y_first = y;
Dec 13 16:54:00.723 INFO [stderr]     |         ^^^^^^^ help: consider using `_y_first` instead
Dec 13 16:54:00.723 INFO [stderr] 
Dec 13 16:54:00.755 INFO [stderr] warning: variable does not need to be mutable
Dec 13 16:54:00.755 INFO [stderr]   --> src/main.rs:98:81
Dec 13 16:54:00.755 INFO [stderr]    |
Dec 13 16:54:00.755 INFO [stderr] 98 | fn follow_contour(img: &image::GrayImage, x: i64, y: i64, direction: Direction, mut contour: Vec<(i64, i64)>) -> Vec<(i64, i64)> {
Dec 13 16:54:00.755 INFO [stderr]    |                                                                                 ----^^^^^^^
Dec 13 16:54:00.755 INFO [stderr]    |                                                                                 |
Dec 13 16:54:00.755 INFO [stderr]    |                                                                                 help: remove this `mut`
Dec 13 16:54:00.755 INFO [stderr]    |
Dec 13 16:54:00.755 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 16:54:00.755 INFO [stderr] 
Dec 13 16:54:01.159 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.63s
Dec 13 16:54:01.171 INFO [stderr] su: No module specific data is present
Dec 13 16:54:02.365 INFO running `"docker" "inspect" "211add974c0b50e7cbe9acc4156f1ddb2a7432a883eadd3e6518ebd234de00ac"`
Dec 13 16:54:02.731 INFO running `"docker" "rm" "-f" "211add974c0b50e7cbe9acc4156f1ddb2a7432a883eadd3e6518ebd234de00ac"`
Dec 13 16:54:03.059 INFO [stdout] 211add974c0b50e7cbe9acc4156f1ddb2a7432a883eadd3e6518ebd234de00ac
Dec 13 16:54:03.067 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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"`
Dec 13 16:54:03.482 INFO [stdout] b51426919469cf3682ded9cefd5912681800a1679903d0291d3dcc223316de17
Dec 13 16:54:03.487 INFO running `"docker" "start" "-a" "b51426919469cf3682ded9cefd5912681800a1679903d0291d3dcc223316de17"`
Dec 13 16:54:04.846 INFO [stderr] usermod: no changes
Dec 13 16:54:05.027 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
Dec 13 16:54:05.035 INFO [stderr]      Running /target/debug/deps/form_reader-850265893fcb39dd
Dec 13 16:54:05.035 INFO [stdout] 
Dec 13 16:54:05.035 INFO [stdout] running 0 tests
Dec 13 16:54:05.035 INFO [stdout] 
Dec 13 16:54:05.035 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 16:54:05.035 INFO [stdout] 
Dec 13 16:54:05.042 INFO [stderr] su: No module specific data is present
Dec 13 16:54:05.811 INFO running `"docker" "inspect" "b51426919469cf3682ded9cefd5912681800a1679903d0291d3dcc223316de17"`
Dec 13 16:54:06.081 INFO running `"docker" "rm" "-f" "b51426919469cf3682ded9cefd5912681800a1679903d0291d3dcc223316de17"`
Dec 13 16:54:06.402 INFO [stdout] b51426919469cf3682ded9cefd5912681800a1679903d0291d3dcc223316de17