[INFO] updating cached repository https://github.com/maxbeutel/rust-ascii-art
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2021f741c9dea91ad36ccad393acb602c4a20efe
[INFO] testing maxbeutel/rust-ascii-art against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxbeutel%2Frust-ascii-art" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maxbeutel/rust-ascii-art on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/maxbeutel/rust-ascii-art
[INFO] finished tweaking git repo https://github.com/maxbeutel/rust-ascii-art
[INFO] tweaked toml for git repo https://github.com/maxbeutel/rust-ascii-art written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/maxbeutel/rust-ascii-art already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] a3667561628ddb40b9944fb3d9bbbe4f48049efd415e6adb6e0eade561f438ac
[INFO] running `"docker" "start" "-a" "a3667561628ddb40b9944fb3d9bbbe4f48049efd415e6adb6e0eade561f438ac"`
[INFO] [stderr]    Compiling ascii-art v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:49:90
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn get_max_coord_from_coords<'a, I: Iterator<Item=&'a Coords>>(coords: I, pluck_fn: &Fn(&Coords) -> u32) -> u32 {
[INFO] [stderr]    |                                                                                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Coords) -> u32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:66:43
[INFO] [stderr]    |
[INFO] [stderr] 66 | struct CombinedObject(Dimensions, Vec<Box<Plottable>>);
[INFO] [stderr]    |                                           ^^^^^^^^^ help: use `dyn`: `dyn Plottable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:300:40
[INFO] [stderr]     |
[INFO] [stderr] 300 |     let mut contained_objects: Vec<Box<Plottable>> = vec![];
[INFO] [stderr]     |                                        ^^^^^^^^^ help: use `dyn`: `dyn Plottable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:312:16
[INFO] [stderr]     |
[INFO] [stderr] 312 | fn plot(a: Box<Plottable>) -> Canvas {
[INFO] [stderr]     |                ^^^^^^^^^ help: use `dyn`: `dyn Plottable`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Canvas`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Canvas,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_dimensions`
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn from_dimensions(dimensions: Dimensions) -> Vec<Coords> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `coords_from_index`
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |         fn coords_from_index(i: u32, dimensions: Dimensions) -> Coords {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_coords`
[INFO] [stderr]   --> src/main.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn from_coords(coords: &Vec<Coords>) -> Dimensions {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_max_coord_from_coords`
[INFO] [stderr]   --> src/main.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn get_max_coord_from_coords<'a, I: Iterator<Item=&'a Coords>>(coords: I, pluck_fn: &Fn(&Coords) -> u32) -> u32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `CombinedObject`
[INFO] [stderr]   --> src/main.rs:66:1
[INFO] [stderr]    |
[INFO] [stderr] 66 | struct CombinedObject(Dimensions, Vec<Box<Plottable>>);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate`
[INFO] [stderr]    --> src/main.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     fn rotate(line: Line, rotation_center: Coords) -> Line {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/main.rs:174:5
[INFO] [stderr]     |
[INFO] [stderr] 174 |     fn new(start: Coords, end: Coords) -> Line {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Circle`
[INFO] [stderr]    --> src/main.rs:244:1
[INFO] [stderr]     |
[INFO] [stderr] 244 | struct Circle(Dimensions, Vec<Coords>);
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/main.rs:247:5
[INFO] [stderr]     |
[INFO] [stderr] 247 |     fn new(point: Coords, radius: u32) -> Circle {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Canvas`
[INFO] [stderr]    --> src/main.rs:296:1
[INFO] [stderr]     |
[INFO] [stderr] 296 | struct Canvas(Dimensions, Vec<PlottedCoords>);
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `combine`
[INFO] [stderr]    --> src/main.rs:299:1
[INFO] [stderr]     |
[INFO] [stderr] 299 | fn combine<T: Plottable + 'static, U: Plottable + 'static>(a: Box<T>, b: Box<U>) -> CombinedObject {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `plot`
[INFO] [stderr]    --> src/main.rs:312:1
[INFO] [stderr]     |
[INFO] [stderr] 312 | fn plot(a: Box<Plottable>) -> Canvas {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw`
[INFO] [stderr]    --> src/main.rs:327:1
[INFO] [stderr]     |
[INFO] [stderr] 327 | fn draw(canvas: Canvas) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fixtures_diagonal_line_ltr`
[INFO] [stderr]    --> src/main.rs:345:1
[INFO] [stderr]     |
[INFO] [stderr] 345 | fn fixtures_diagonal_line_ltr() -> Line {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fixtures_horizontal_line`
[INFO] [stderr]    --> src/main.rs:349:1
[INFO] [stderr]     |
[INFO] [stderr] 349 | fn fixtures_horizontal_line() -> Line {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fixtures_vertical_line`
[INFO] [stderr]    --> src/main.rs:353:1
[INFO] [stderr]     |
[INFO] [stderr] 353 | fn fixtures_vertical_line() -> Line {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fixtures_circle`
[INFO] [stderr]    --> src/main.rs:357:1
[INFO] [stderr]     |
[INFO] [stderr] 357 | fn fixtures_circle() -> Circle {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `"docker" "inspect" "a3667561628ddb40b9944fb3d9bbbe4f48049efd415e6adb6e0eade561f438ac"`
[INFO] running `"docker" "rm" "-f" "a3667561628ddb40b9944fb3d9bbbe4f48049efd415e6adb6e0eade561f438ac"`
[INFO] [stdout] a3667561628ddb40b9944fb3d9bbbe4f48049efd415e6adb6e0eade561f438ac
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 31473a05c7dfb9cd0dfb6fb6a73bf5cc24b7b1a99617e2a9a0796de9c75e02f9
[INFO] running `"docker" "start" "-a" "31473a05c7dfb9cd0dfb6fb6a73bf5cc24b7b1a99617e2a9a0796de9c75e02f9"`
[INFO] [stderr]    Compiling ascii-art v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:49:90
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn get_max_coord_from_coords<'a, I: Iterator<Item=&'a Coords>>(coords: I, pluck_fn: &Fn(&Coords) -> u32) -> u32 {
[INFO] [stderr]    |                                                                                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Coords) -> u32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:66:43
[INFO] [stderr]    |
[INFO] [stderr] 66 | struct CombinedObject(Dimensions, Vec<Box<Plottable>>);
[INFO] [stderr]    |                                           ^^^^^^^^^ help: use `dyn`: `dyn Plottable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:300:40
[INFO] [stderr]     |
[INFO] [stderr] 300 |     let mut contained_objects: Vec<Box<Plottable>> = vec![];
[INFO] [stderr]     |                                        ^^^^^^^^^ help: use `dyn`: `dyn Plottable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:312:16
[INFO] [stderr]     |
[INFO] [stderr] 312 | fn plot(a: Box<Plottable>) -> Canvas {
[INFO] [stderr]     |                ^^^^^^^^^ help: use `dyn`: `dyn Plottable`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw`
[INFO] [stderr]    --> src/main.rs:327:1
[INFO] [stderr]     |
[INFO] [stderr] 327 | fn draw(canvas: Canvas) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "31473a05c7dfb9cd0dfb6fb6a73bf5cc24b7b1a99617e2a9a0796de9c75e02f9"`
[INFO] running `"docker" "rm" "-f" "31473a05c7dfb9cd0dfb6fb6a73bf5cc24b7b1a99617e2a9a0796de9c75e02f9"`
[INFO] [stdout] 31473a05c7dfb9cd0dfb6fb6a73bf5cc24b7b1a99617e2a9a0796de9c75e02f9
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] e76b79c491b9d2f92d77639b0b820c658eb951e4fc1c6ca29e6cc9e1af32e030
[INFO] running `"docker" "start" "-a" "e76b79c491b9d2f92d77639b0b820c658eb951e4fc1c6ca29e6cc9e1af32e030"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ascii_art-6452a14bf9de34a2
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test test_combine_expands_dimensions_to_fit_largest_object_circle ... ok
[INFO] [stdout] test test_combine_expands_dimensions_to_fit_largest_object_line ... ok
[INFO] [stdout] test test_get_dimension_from_coords ... ok
[INFO] [stdout] test test_new_circle ... ok
[INFO] [stdout] test test_new_diagonal_line_left_to_right ... ok
[INFO] [stdout] test test_new_diagonal_line_right_to_left ... ok
[INFO] [stdout] test test_new_horizontal_line_1 ... ok
[INFO] [stdout] test test_new_vertical_line ... ok
[INFO] [stdout] test test_new_horizontal_line_2 ... ok
[INFO] [stdout] test test_plot_circle ... ok
[INFO] [stdout] test test_plot_horizontal_line ... ok
[INFO] [stdout] test test_plot_line ... ok
[INFO] [stdout] test test_rotate_line_vertical_to_horizontal ... ok
[INFO] [stdout] test test_rotate_line_horizontal_to_vertical ... ok
[INFO] [stdout] test test_plot_merged_object ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e76b79c491b9d2f92d77639b0b820c658eb951e4fc1c6ca29e6cc9e1af32e030"`
[INFO] running `"docker" "rm" "-f" "e76b79c491b9d2f92d77639b0b820c658eb951e4fc1c6ca29e6cc9e1af32e030"`
[INFO] [stdout] e76b79c491b9d2f92d77639b0b820c658eb951e4fc1c6ca29e6cc9e1af32e030