Dec 05 21:07:48.986 INFO testing ilikeavocadoes/form_reader against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 21:07:48.986 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05 21:07:49.420 INFO [stdout] 25b6b1559b86fb2de9d6dd079b7d84ba247a1d86bf41b163aebbb79df658d700
Dec 05 21:07:49.422 INFO running `"docker" "start" "-a" "25b6b1559b86fb2de9d6dd079b7d84ba247a1d86bf41b163aebbb79df658d700"`
Dec 05 21:07:50.698 INFO [stderr] usermod: no changes
Dec 05 21:07:51.019 INFO [stderr]    Compiling proc-macro2 v0.4.3
Dec 05 21:07:51.030 INFO [stderr]    Compiling crossbeam-epoch v0.3.1
Dec 05 21:07:51.046 INFO [stderr]    Compiling num-bigint v0.1.44
Dec 05 21:07:51.048 INFO [stderr]    Compiling ordered-float v0.5.0
Dec 05 21:07:51.054 INFO [stderr]    Compiling alga v0.5.4
Dec 05 21:07:51.057 INFO [stderr]    Compiling env_logger v0.5.10
Dec 05 21:07:51.066 INFO [stderr]    Compiling png v0.12.0
Dec 05 21:07:57.833 INFO [stderr]    Compiling rusttype v0.5.2
Dec 05 21:07:58.832 INFO [stderr]    Compiling crossbeam-deque v0.2.0
Dec 05 21:07:58.856 INFO [stderr]    Compiling quote v0.6.2
Dec 05 21:07:59.268 INFO [stderr]    Compiling quickcheck v0.6.2
Dec 05 21:08:01.296 INFO [stderr]    Compiling syn v0.14.0
Dec 05 21:08:01.448 INFO [stderr]    Compiling rayon-core v1.4.0
Dec 05 21:08:03.799 INFO [stderr]    Compiling nalgebra v0.13.1
Dec 05 21:08:03.817 INFO [stderr]    Compiling num-rational v0.1.42
Dec 05 21:08:11.963 INFO [stderr]    Compiling rayon v1.0.1
Dec 05 21:08:11.976 INFO [stderr]    Compiling num v0.1.42
Dec 05 21:08:22.425 INFO [stderr]    Compiling num-derive v0.2.2
Dec 05 21:08:25.432 INFO [stderr]    Compiling jpeg-decoder v0.1.14
Dec 05 21:08:31.136 INFO [stderr]    Compiling image v0.19.0
Dec 05 21:09:04.236 INFO [stderr]    Compiling imageproc v0.15.0
Dec 05 21:09:10.916 INFO [stderr]    Compiling form_reader v0.1.0 (/source)
Dec 05 21:09:13.576 INFO [stderr] warning: unused variable: `x_out`
Dec 05 21:09:13.576 INFO [stderr]   --> src/main.rs:86:10
Dec 05 21:09:13.576 INFO [stderr]    |
Dec 05 21:09:13.576 INFO [stderr] 86 |     let (x_out, y_out) = (x - 1, y);
Dec 05 21:09:13.576 INFO [stderr]    |          ^^^^^ help: consider using `_x_out` instead
Dec 05 21:09:13.576 INFO [stderr]    |
Dec 05 21:09:13.576 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 21:09:13.576 INFO [stderr] 
Dec 05 21:09:13.576 INFO [stderr] warning: unused variable: `y_out`
Dec 05 21:09:13.576 INFO [stderr]   --> src/main.rs:86:17
Dec 05 21:09:13.576 INFO [stderr]    |
Dec 05 21:09:13.576 INFO [stderr] 86 |     let (x_out, y_out) = (x - 1, y);
Dec 05 21:09:13.576 INFO [stderr]    |                 ^^^^^ help: consider using `_y_out` instead
Dec 05 21:09:13.576 INFO [stderr] 
Dec 05 21:09:13.576 INFO [stderr] warning: unused variable: `x_first`
Dec 05 21:09:13.576 INFO [stderr]    --> src/main.rs:100:9
Dec 05 21:09:13.576 INFO [stderr]     |
Dec 05 21:09:13.576 INFO [stderr] 100 |     let x_first = x;
Dec 05 21:09:13.577 INFO [stderr]     |         ^^^^^^^ help: consider using `_x_first` instead
Dec 05 21:09:13.577 INFO [stderr] 
Dec 05 21:09:13.577 INFO [stderr] warning: unused variable: `y_first`
Dec 05 21:09:13.577 INFO [stderr]    --> src/main.rs:101:9
Dec 05 21:09:13.577 INFO [stderr]     |
Dec 05 21:09:13.577 INFO [stderr] 101 |     let y_first = y;
Dec 05 21:09:13.577 INFO [stderr]     |         ^^^^^^^ help: consider using `_y_first` instead
Dec 05 21:09:13.577 INFO [stderr] 
Dec 05 21:09:13.608 INFO [stderr] warning: variable does not need to be mutable
Dec 05 21:09:13.608 INFO [stderr]   --> src/main.rs:98:81
Dec 05 21:09:13.608 INFO [stderr]    |
Dec 05 21:09:13.608 INFO [stderr] 98 | fn follow_contour(img: &image::GrayImage, x: i64, y: i64, direction: Direction, mut contour: Vec<(i64, i64)>) -> Vec<(i64, i64)> {
Dec 05 21:09:13.608 INFO [stderr]    |                                                                                 ----^^^^^^^
Dec 05 21:09:13.608 INFO [stderr]    |                                                                                 |
Dec 05 21:09:13.608 INFO [stderr]    |                                                                                 help: remove this `mut`
Dec 05 21:09:13.608 INFO [stderr]    |
Dec 05 21:09:13.608 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 21:09:13.608 INFO [stderr] 
Dec 05 21:09:17.490 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
Dec 05 21:09:17.504 INFO [stderr] su: No module specific data is present
Dec 05 21:09:18.886 INFO running `"docker" "inspect" "25b6b1559b86fb2de9d6dd079b7d84ba247a1d86bf41b163aebbb79df658d700"`
Dec 05 21:09:19.212 INFO running `"docker" "rm" "-f" "25b6b1559b86fb2de9d6dd079b7d84ba247a1d86bf41b163aebbb79df658d700"`
Dec 05 21:09:19.552 INFO [stdout] 25b6b1559b86fb2de9d6dd079b7d84ba247a1d86bf41b163aebbb79df658d700
Dec 05 21:09:19.556 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05 21:09:20.246 INFO [stdout] 515d3c2bc137b51374117596745a7ae6b868382596b14d5fc892f0cf4f31d734
Dec 05 21:09:20.248 INFO running `"docker" "start" "-a" "515d3c2bc137b51374117596745a7ae6b868382596b14d5fc892f0cf4f31d734"`
Dec 05 21:09:21.688 INFO [stderr] usermod: no changes
Dec 05 21:09:21.888 INFO [stderr]    Compiling form_reader v0.1.0 (/source)
Dec 05 21:09:24.508 INFO [stderr] warning: unused variable: `x_out`
Dec 05 21:09:24.509 INFO [stderr]   --> src/main.rs:86:10
Dec 05 21:09:24.509 INFO [stderr]    |
Dec 05 21:09:24.509 INFO [stderr] 86 |     let (x_out, y_out) = (x - 1, y);
Dec 05 21:09:24.510 INFO [stderr]    |          ^^^^^ help: consider using `_x_out` instead
Dec 05 21:09:24.510 INFO [stderr]    |
Dec 05 21:09:24.510 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 21:09:24.510 INFO [stderr] 
Dec 05 21:09:24.510 INFO [stderr] warning: unused variable: `y_out`
Dec 05 21:09:24.510 INFO [stderr]   --> src/main.rs:86:17
Dec 05 21:09:24.511 INFO [stderr]    |
Dec 05 21:09:24.511 INFO [stderr] 86 |     let (x_out, y_out) = (x - 1, y);
Dec 05 21:09:24.511 INFO [stderr]    |                 ^^^^^ help: consider using `_y_out` instead
Dec 05 21:09:24.511 INFO [stderr] 
Dec 05 21:09:24.511 INFO [stderr] warning: unused variable: `x_first`
Dec 05 21:09:24.512 INFO [stderr]    --> src/main.rs:100:9
Dec 05 21:09:24.512 INFO [stderr]     |
Dec 05 21:09:24.512 INFO [stderr] 100 |     let x_first = x;
Dec 05 21:09:24.513 INFO [stderr]     |         ^^^^^^^ help: consider using `_x_first` instead
Dec 05 21:09:24.513 INFO [stderr] 
Dec 05 21:09:24.513 INFO [stderr] warning: unused variable: `y_first`
Dec 05 21:09:24.513 INFO [stderr]    --> src/main.rs:101:9
Dec 05 21:09:24.513 INFO [stderr]     |
Dec 05 21:09:24.514 INFO [stderr] 101 |     let y_first = y;
Dec 05 21:09:24.514 INFO [stderr]     |         ^^^^^^^ help: consider using `_y_first` instead
Dec 05 21:09:24.514 INFO [stderr] 
Dec 05 21:09:24.536 INFO [stderr] warning: variable does not need to be mutable
Dec 05 21:09:24.537 INFO [stderr]   --> src/main.rs:98:81
Dec 05 21:09:24.537 INFO [stderr]    |
Dec 05 21:09:24.537 INFO [stderr] 98 | fn follow_contour(img: &image::GrayImage, x: i64, y: i64, direction: Direction, mut contour: Vec<(i64, i64)>) -> Vec<(i64, i64)> {
Dec 05 21:09:24.537 INFO [stderr]    |                                                                                 ----^^^^^^^
Dec 05 21:09:24.538 INFO [stderr]    |                                                                                 |
Dec 05 21:09:24.538 INFO [stderr]    |                                                                                 help: remove this `mut`
Dec 05 21:09:24.538 INFO [stderr]    |
Dec 05 21:09:24.539 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 21:09:24.539 INFO [stderr] 
Dec 05 21:09:24.987 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.27s
Dec 05 21:09:24.996 INFO [stderr] su: No module specific data is present
Dec 05 21:09:26.592 INFO running `"docker" "inspect" "515d3c2bc137b51374117596745a7ae6b868382596b14d5fc892f0cf4f31d734"`
Dec 05 21:09:26.894 INFO running `"docker" "rm" "-f" "515d3c2bc137b51374117596745a7ae6b868382596b14d5fc892f0cf4f31d734"`
Dec 05 21:09:27.243 INFO [stdout] 515d3c2bc137b51374117596745a7ae6b868382596b14d5fc892f0cf4f31d734
Dec 05 21:09:27.246 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05 21:09:27.834 INFO [stdout] 9d4deb130060f1f834e32091c02235ebe2fec2e373e107dbe89ac399f92892eb
Dec 05 21:09:27.838 INFO running `"docker" "start" "-a" "9d4deb130060f1f834e32091c02235ebe2fec2e373e107dbe89ac399f92892eb"`
Dec 05 21:09:29.236 INFO [stderr] usermod: no changes
Dec 05 21:09:29.421 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
Dec 05 21:09:29.441 INFO [stderr]      Running /target/debug/deps/form_reader-f3dc2d791c384784
Dec 05 21:09:29.441 INFO [stdout] 
Dec 05 21:09:29.441 INFO [stdout] running 0 tests
Dec 05 21:09:29.441 INFO [stdout] 
Dec 05 21:09:29.441 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 21:09:29.441 INFO [stdout] 
Dec 05 21:09:29.444 INFO [stderr] su: No module specific data is present
Dec 05 21:09:30.424 INFO running `"docker" "inspect" "9d4deb130060f1f834e32091c02235ebe2fec2e373e107dbe89ac399f92892eb"`
Dec 05 21:09:30.818 INFO running `"docker" "rm" "-f" "9d4deb130060f1f834e32091c02235ebe2fec2e373e107dbe89ac399f92892eb"`
Dec 05 21:09:31.080 INFO [stdout] 9d4deb130060f1f834e32091c02235ebe2fec2e373e107dbe89ac399f92892eb