[INFO] updating cached repository ijks/piet-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ijks/piet-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ijks/piet-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/ijks/piet-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ijks/piet-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ijks/piet-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ijks/piet-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ijks/piet-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c9f85558145516a0b07976ce5a5ad135e26a5003
[INFO] sha for GitHub repo ijks/piet-rs: c9f85558145516a0b07976ce5a5ad135e26a5003
[INFO] validating manifest of ijks/piet-rs on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ijks/piet-rs on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ijks/piet-rs
[INFO] finished frobbing ijks/piet-rs
[INFO] frobbed toml for ijks/piet-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/ijks/piet-rs/Cargo.toml
[INFO] started frobbing ijks/piet-rs
[INFO] finished frobbing ijks/piet-rs
[INFO] frobbed toml for ijks/piet-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ijks/piet-rs/Cargo.toml
[INFO] crate ijks/piet-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ijks/piet-rs against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ijks/piet-rs:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 84c32254927f745b603c7fb1ab7fe1f9d34be6b52aac9c28f7cb0fffd2b74520
[INFO] running `"docker" "start" "-a" "84c32254927f745b603c7fb1ab7fe1f9d34be6b52aac9c28f7cb0fffd2b74520"`
[INFO] [stderr]    Compiling bitflags v1.0.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling num-bigint v0.1.40
[INFO] [stderr]    Compiling clap v2.26.2
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling num-rational v0.1.39
[INFO] [stderr]    Compiling image v0.17.0
[INFO] [stderr]    Compiling num v0.1.40
[INFO] [stderr]    Compiling backtrace v0.3.3
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling piet v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::cmp::Ordering`
[INFO] [stderr]  --> src/interpreter.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cmp::Ordering;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/interpreter.rs:120:29
[INFO] [stderr]     |
[INFO] [stderr] 120 |                 .filter(|&&(x, y)| y == farthest_y)
[INFO] [stderr]     |                             ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/interpreter.rs:133:32
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 .filter(|&&(x, y)| x == farthest_x)
[INFO] [stderr]     |                                ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `height`
[INFO] [stderr]   --> src/program.rs:78:21
[INFO] [stderr]    |
[INFO] [stderr] 78 |         let (width, height) = self.size;
[INFO] [stderr]    |                     ^^^^^^ help: consider prefixing with an underscore: `_height`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Up`
[INFO] [stderr]   --> src/interpreter.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Up,
[INFO] [stderr]    |     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Down`
[INFO] [stderr]   --> src/interpreter.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Down,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Left`
[INFO] [stderr]   --> src/interpreter.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Left,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_clockwise`
[INFO] [stderr]   --> src/interpreter.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn rotate_clockwise(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_counterclockwise`
[INFO] [stderr]   --> src/interpreter.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn rotate_counterclockwise(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Right`
[INFO] [stderr]   --> src/interpreter.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     Right,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `switch`
[INFO] [stderr]   --> src/interpreter.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn switch(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `current_block`
[INFO] [stderr]   --> src/interpreter.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     fn current_block(&self) -> HashSet<Coords> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next_coords`
[INFO] [stderr]   --> src/interpreter.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn next_coords(&self) -> Coords {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `x_key`
[INFO] [stderr]    --> src/interpreter.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |         fn x_key(&(x, _): &Coords) -> usize {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `y_key`
[INFO] [stderr]    --> src/interpreter.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         fn y_key(&(_, y): &Coords) -> usize {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_command`
[INFO] [stderr]    --> src/interpreter.rs:167:5
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn execute_command(&mut self, command: &Command) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pointer`
[INFO] [stderr]    --> src/interpreter.rs:261:5
[INFO] [stderr]     |
[INFO] [stderr] 261 |     fn pointer(&mut self, steps: i64) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `switch`
[INFO] [stderr]    --> src/interpreter.rs:273:5
[INFO] [stderr]     |
[INFO] [stderr] 273 |     fn switch(&mut self, times: i64) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `index_to_coords`
[INFO] [stderr]   --> src/program.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn index_to_coords(&self, index: usize) -> Option<Coords> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `codel_size`
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let codel_size = matches.value_of("codel_size").map(|_| unimplemented!());
[INFO] [stderr]    |         ^^^^^^^^^^ help: consider prefixing with an underscore: `_codel_size`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     interpreter.run();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.16s
[INFO] running `"docker" "inspect" "84c32254927f745b603c7fb1ab7fe1f9d34be6b52aac9c28f7cb0fffd2b74520"`
[INFO] running `"docker" "rm" "-f" "84c32254927f745b603c7fb1ab7fe1f9d34be6b52aac9c28f7cb0fffd2b74520"`
[INFO] [stdout] 84c32254927f745b603c7fb1ab7fe1f9d34be6b52aac9c28f7cb0fffd2b74520
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ijks/piet-rs:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 29a5ef4f5ca9908078297ba1631406eefee548adae2712abcdcaa63c8eff5436
[INFO] running `"docker" "start" "-a" "29a5ef4f5ca9908078297ba1631406eefee548adae2712abcdcaa63c8eff5436"`
[INFO] [stderr]    Compiling piet v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::cmp::Ordering`
[INFO] [stderr]  --> src/interpreter.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cmp::Ordering;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `codel_size`
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let codel_size = matches.value_of("codel_size").map(|_| unimplemented!());
[INFO] [stderr]    |         ^^^^^^^^^^ help: consider prefixing with an underscore: `_codel_size`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     interpreter.run();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/interpreter.rs:120:29
[INFO] [stderr]     |
[INFO] [stderr] 120 |                 .filter(|&&(x, y)| y == farthest_y)
[INFO] [stderr]     |                             ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/interpreter.rs:133:32
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 .filter(|&&(x, y)| x == farthest_x)
[INFO] [stderr]     |                                ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `height`
[INFO] [stderr]   --> src/program.rs:78:21
[INFO] [stderr]    |
[INFO] [stderr] 78 |         let (width, height) = self.size;
[INFO] [stderr]    |                     ^^^^^^ help: consider prefixing with an underscore: `_height`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Up`
[INFO] [stderr]   --> src/interpreter.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Up,
[INFO] [stderr]    |     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Down`
[INFO] [stderr]   --> src/interpreter.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Down,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Left`
[INFO] [stderr]   --> src/interpreter.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Left,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_clockwise`
[INFO] [stderr]   --> src/interpreter.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn rotate_clockwise(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_counterclockwise`
[INFO] [stderr]   --> src/interpreter.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn rotate_counterclockwise(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Right`
[INFO] [stderr]   --> src/interpreter.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     Right,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `switch`
[INFO] [stderr]   --> src/interpreter.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn switch(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `current_block`
[INFO] [stderr]   --> src/interpreter.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     fn current_block(&self) -> HashSet<Coords> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next_coords`
[INFO] [stderr]   --> src/interpreter.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn next_coords(&self) -> Coords {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `x_key`
[INFO] [stderr]    --> src/interpreter.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |         fn x_key(&(x, _): &Coords) -> usize {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `y_key`
[INFO] [stderr]    --> src/interpreter.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         fn y_key(&(_, y): &Coords) -> usize {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_command`
[INFO] [stderr]    --> src/interpreter.rs:167:5
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn execute_command(&mut self, command: &Command) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pointer`
[INFO] [stderr]    --> src/interpreter.rs:261:5
[INFO] [stderr]     |
[INFO] [stderr] 261 |     fn pointer(&mut self, steps: i64) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `switch`
[INFO] [stderr]    --> src/interpreter.rs:273:5
[INFO] [stderr]     |
[INFO] [stderr] 273 |     fn switch(&mut self, times: i64) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.10s
[INFO] running `"docker" "inspect" "29a5ef4f5ca9908078297ba1631406eefee548adae2712abcdcaa63c8eff5436"`
[INFO] running `"docker" "rm" "-f" "29a5ef4f5ca9908078297ba1631406eefee548adae2712abcdcaa63c8eff5436"`
[INFO] [stdout] 29a5ef4f5ca9908078297ba1631406eefee548adae2712abcdcaa63c8eff5436
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ijks/piet-rs:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] bf8d922f96e2ebe990a0153ad07b32ecc3750548f0a9ebd4456f03ba4fb223f7
[INFO] running `"docker" "start" "-a" "bf8d922f96e2ebe990a0153ad07b32ecc3750548f0a9ebd4456f03ba4fb223f7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/piet-b3e0eb0428f8d6d6
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test color::tests::test_hue_shift ... ok
[INFO] [stdout] test color::tests::test_color_from_rgb ... ok
[INFO] [stdout] test color::tests::test_color_transition ... ok
[INFO] [stdout] test color::tests::test_lightness_shift ... ok
[INFO] [stdout] test program::tests::test_program_check_coords ... ok
[INFO] [stdout] test program::tests::test_program_color_block ... ok
[INFO] [stdout] test command::tests::test_from_transition ... ok
[INFO] [stdout] test stack::tests::test_stack_fold_top ... ok
[INFO] [stdout] test stack::tests::test_stack_map_top ... ok
[INFO] [stdout] test stack::tests::test_stack_new ... ok
[INFO] [stdout] test program::tests::test_program_coords_to_index ... ok
[INFO] [stdout] test program::tests::test_program_index_to_coords ... ok
[INFO] [stdout] test stack::tests::test_stack_peek ... ok
[INFO] [stdout] test stack::tests::test_stack_pop2 ... ok
[INFO] [stdout] test stack::tests::test_stack_roll ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/piet-bf8542d7d6c4238a
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests piet
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/stack.rs - stack::Stack::roll (line 64) ... ok
[INFO] [stdout] test src/color.rs - color::Color::transition (line 127) ... ok
[INFO] [stdout] test src/color.rs - color::Lightness::shift (line 44) ... ok
[INFO] [stdout] test src/stack.rs - stack::Stack::fold_top (line 33) ... ok
[INFO] [stdout] test src/color.rs - color::Color::from_rgb (line 69) ... ok
[INFO] [stdout] test src/color.rs - color::Hue::shift (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "bf8d922f96e2ebe990a0153ad07b32ecc3750548f0a9ebd4456f03ba4fb223f7"`
[INFO] running `"docker" "rm" "-f" "bf8d922f96e2ebe990a0153ad07b32ecc3750548f0a9ebd4456f03ba4fb223f7"`
[INFO] [stdout] bf8d922f96e2ebe990a0153ad07b32ecc3750548f0a9ebd4456f03ba4fb223f7