[INFO] crate exoquant 0.2.0 is already in cache
[INFO] checking exoquant-0.2.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate exoquant 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate exoquant 0.2.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate exoquant 0.2.0
[INFO] finished tweaking crates.io crate exoquant 0.2.0
[INFO] tweaked toml for crates.io crate exoquant 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 655842059cbced565d164b7a2f6ffd09c43c3f7d7de240827da59e42a94b6447
[INFO] running `"docker" "start" "-a" "655842059cbced565d164b7a2f6ffd09c43c3f7d7de240827da59e42a94b6447"`
[INFO] [stderr]    Compiling lodepng v0.8.2
[INFO] [stderr]     Checking c_vec v1.3.3
[INFO] [stderr]     Checking rgb v0.7.2
[INFO] [stderr]     Checking exoquant v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/histogram.rs:53:48
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn to_color_counts(&self, colorspace: &ColorSpace) -> Vec<ColorCount> {
[INFO] [stderr]    |                                                ^^^^^^^^^^ help: use `dyn`: `dyn ColorSpace`
[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/histogram.rs:66:38
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn iter<'a>(&'a self) -> Box<Iterator<Item = (&Color, &usize)> + 'a> {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (&Color, &usize)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/quantizer.rs:211:39
[INFO] [stderr]     |
[INFO] [stderr] 211 |     pub fn optimize(self, optimizer: &Optimizer, num_iterations: usize) -> Quantizer {
[INFO] [stderr]     |                                       ^^^^^^^^^ help: use `dyn`: `dyn Optimizer`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/remapper.rs:73:38
[INFO] [stderr]    |
[INFO] [stderr] 73 |                           image: Box<Iterator<Item = Color> + 'b>,
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Color> + 'b`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/remapper.rs:75:34
[INFO] [stderr]    |
[INFO] [stderr] 75 |                           -> Box<Iterator<Item = u8> + 'b> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = u8> + 'b`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/remapper.rs:87:44
[INFO] [stderr]    |
[INFO] [stderr] 87 | ...                   image: Box<Iterator<Item = Color> + 'b>,
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Color> + 'b`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/remapper.rs:89:40
[INFO] [stderr]    |
[INFO] [stderr] 89 | ...                   -> Box<Iterator<Item = usize> + 'b> {
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = usize> + 'b`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/optimizer.rs:27:38
[INFO] [stderr]    |
[INFO] [stderr] 27 |                         colorspace: &ColorSpace,
[INFO] [stderr]    |                                      ^^^^^^^^^^ help: use `dyn`: `dyn ColorSpace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ditherer.rs:13:29
[INFO] [stderr]    |
[INFO] [stderr] 13 |                  image: Box<Iterator<Item = Colorf> + 'a>,
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Colorf> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ditherer.rs:16:34
[INFO] [stderr]    |
[INFO] [stderr] 16 |                  colorspace: &'a ColorSpace)
[INFO] [stderr]    |                                  ^^^^^^^^^^ help: use `dyn`: `dyn ColorSpace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ditherer.rs:17:25
[INFO] [stderr]    |
[INFO] [stderr] 17 |                  -> Box<Iterator<Item = usize> + 'a>;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = usize> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ditherer.rs:25:29
[INFO] [stderr]    |
[INFO] [stderr] 25 |                  image: Box<Iterator<Item = Colorf> + 'a>,
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Colorf> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ditherer.rs:28:25
[INFO] [stderr]    |
[INFO] [stderr] 28 |                  _: &'a ColorSpace)
[INFO] [stderr]    |                         ^^^^^^^^^^ help: use `dyn`: `dyn ColorSpace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ditherer.rs:29:25
[INFO] [stderr]    |
[INFO] [stderr] 29 |                  -> Box<Iterator<Item = usize> + 'a> {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = usize> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ditherer.rs:46:29
[INFO] [stderr]    |
[INFO] [stderr] 46 |                  image: Box<Iterator<Item = Colorf> + 'a>,
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Colorf> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ditherer.rs:49:25
[INFO] [stderr]    |
[INFO] [stderr] 49 |                  _: &'a ColorSpace)
[INFO] [stderr]    |                         ^^^^^^^^^^ help: use `dyn`: `dyn ColorSpace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ditherer.rs:50:25
[INFO] [stderr]    |
[INFO] [stderr] 50 |                  -> Box<Iterator<Item = usize> + 'a> {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = usize> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ditherer.rs:85:29
[INFO] [stderr]    |
[INFO] [stderr] 85 |                  image: Box<Iterator<Item = Colorf> + 'a>,
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Colorf> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ditherer.rs:88:34
[INFO] [stderr]    |
[INFO] [stderr] 88 |                  colorspace: &'a ColorSpace)
[INFO] [stderr]    |                                  ^^^^^^^^^^ help: use `dyn`: `dyn ColorSpace`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ditherer.rs:89:25
[INFO] [stderr]    |
[INFO] [stderr] 89 |                  -> Box<Iterator<Item = usize> + 'a> {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = usize> + 'a`
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u8` is invalid
[INFO] [stderr]   --> src/colorspace.rs:30:20
[INFO] [stderr]    |
[INFO] [stderr] 30 |         Color::new((c.r * 255.0).max(0.0).min(255.0) as u8,
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u8` is invalid
[INFO] [stderr]   --> src/colorspace.rs:31:20
[INFO] [stderr]    |
[INFO] [stderr] 31 |                    (c.g * 255.0).max(0.0).min(255.0) as u8,
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u8` is invalid
[INFO] [stderr]   --> src/colorspace.rs:32:20
[INFO] [stderr]    |
[INFO] [stderr] 32 |                    (c.b * 255.0).max(0.0).min(255.0) as u8,
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u8` is invalid
[INFO] [stderr]   --> src/colorspace.rs:33:20
[INFO] [stderr]    |
[INFO] [stderr] 33 |                    (c.a * 255.0).max(0.0).min(255.0) as u8)
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `usize` is invalid
[INFO] [stderr]   --> src/basicapi.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |         (num_colors as f64).sqrt().round() as usize
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors; 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `exoquant`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "655842059cbced565d164b7a2f6ffd09c43c3f7d7de240827da59e42a94b6447"`
[INFO] running `"docker" "rm" "-f" "655842059cbced565d164b7a2f6ffd09c43c3f7d7de240827da59e42a94b6447"`
[INFO] [stdout] 655842059cbced565d164b7a2f6ffd09c43c3f7d7de240827da59e42a94b6447