[INFO] updating cached repository ilikeavocadoes/form_reader [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/ilikeavocadoes/form_reader [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/ilikeavocadoes/form_reader" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/ilikeavocadoes/form_reader"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/ilikeavocadoes/form_reader'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ilikeavocadoes/form_reader" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/ilikeavocadoes/form_reader"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/ilikeavocadoes/form_reader'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] bc46e2d33b379ea44cae79df387fbb67adc458ad [INFO] sha for GitHub repo ilikeavocadoes/form_reader: bc46e2d33b379ea44cae79df387fbb67adc458ad [INFO] validating manifest of ilikeavocadoes/form_reader on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of ilikeavocadoes/form_reader on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing ilikeavocadoes/form_reader [INFO] finished frobbing ilikeavocadoes/form_reader [INFO] frobbed toml for ilikeavocadoes/form_reader written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/ilikeavocadoes/form_reader/Cargo.toml [INFO] started frobbing ilikeavocadoes/form_reader [INFO] finished frobbing ilikeavocadoes/form_reader [INFO] frobbed toml for ilikeavocadoes/form_reader written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/ilikeavocadoes/form_reader/Cargo.toml [INFO] crate ilikeavocadoes/form_reader already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking ilikeavocadoes/form_reader against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-6/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/ilikeavocadoes/form_reader:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 5d4b0e7dd9aa790e9c0f07d11816aabad16e57ace42d631cd3d5491583a85a1a [INFO] running `"docker" "start" "-a" "5d4b0e7dd9aa790e9c0f07d11816aabad16e57ace42d631cd3d5491583a85a1a"` [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking rayon-core v1.4.0 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking ordered-float v0.5.0 [INFO] [stderr] Checking png v0.12.0 [INFO] [stderr] Checking env_logger v0.5.10 [INFO] [stderr] Compiling num-derive v0.2.2 [INFO] [stderr] Checking rusttype v0.5.2 [INFO] [stderr] Checking alga v0.5.4 [INFO] [stderr] Checking quickcheck v0.6.2 [INFO] [stderr] Checking rayon v1.0.1 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking jpeg-decoder v0.1.14 [INFO] [stderr] Checking nalgebra v0.13.1 [INFO] [stderr] Checking image v0.19.0 [INFO] [stderr] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.13.1/src/core/cg.rs:255:44 [INFO] [stderr] | [INFO] [stderr] 255 | self[(j, i)] += shift[j] * self[(D::dim() - 1, i)]; [INFO] [stderr] | ---------------------------^^^^------------------- [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow occurs here [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | mutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] [INFO] [stderr] Checking imageproc v0.15.0 [INFO] [stderr] Checking form_reader v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `x_out` [INFO] [stderr] --> src/main.rs:86:10 [INFO] [stderr] | [INFO] [stderr] 86 | let (x_out, y_out) = (x - 1, y); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_x_out` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y_out` [INFO] [stderr] --> src/main.rs:86:17 [INFO] [stderr] | [INFO] [stderr] 86 | let (x_out, y_out) = (x - 1, y); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_y_out` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x_first` [INFO] [stderr] --> src/main.rs:100:9 [INFO] [stderr] | [INFO] [stderr] 100 | let x_first = x; [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_x_first` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y_first` [INFO] [stderr] --> src/main.rs:101:9 [INFO] [stderr] | [INFO] [stderr] 101 | let y_first = y; [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_y_first` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:98:81 [INFO] [stderr] | [INFO] [stderr] 98 | fn follow_contour(img: &image::GrayImage, x: i64, y: i64, direction: Direction, mut contour: Vec<(i64, i64)>) -> Vec<(i64, i64)> { [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x_out` [INFO] [stderr] --> src/main.rs:86:10 [INFO] [stderr] | [INFO] [stderr] 86 | let (x_out, y_out) = (x - 1, y); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_x_out` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y_out` [INFO] [stderr] --> src/main.rs:86:17 [INFO] [stderr] | [INFO] [stderr] 86 | let (x_out, y_out) = (x - 1, y); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_y_out` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x_first` [INFO] [stderr] --> src/main.rs:100:9 [INFO] [stderr] | [INFO] [stderr] 100 | let x_first = x; [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_x_first` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y_first` [INFO] [stderr] --> src/main.rs:101:9 [INFO] [stderr] | [INFO] [stderr] 101 | let y_first = y; [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_y_first` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:98:81 [INFO] [stderr] | [INFO] [stderr] 98 | fn follow_contour(img: &image::GrayImage, x: i64, y: i64, direction: Direction, mut contour: Vec<(i64, i64)>) -> Vec<(i64, i64)> { [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 50.51s [INFO] running `"docker" "inspect" "5d4b0e7dd9aa790e9c0f07d11816aabad16e57ace42d631cd3d5491583a85a1a"` [INFO] running `"docker" "rm" "-f" "5d4b0e7dd9aa790e9c0f07d11816aabad16e57ace42d631cd3d5491583a85a1a"` [INFO] [stdout] 5d4b0e7dd9aa790e9c0f07d11816aabad16e57ace42d631cd3d5491583a85a1a