[INFO] cloning repository https://github.com/fijk/png-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fijk/png-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffijk%2Fpng-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffijk%2Fpng-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 39d416b427ba5f9b4b8f447b46851ff20f131615 [INFO] checking fijk/png-rs against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffijk%2Fpng-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fijk/png-rs on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/fijk/png-rs [INFO] finished tweaking git repo https://github.com/fijk/png-rs [INFO] tweaked toml for git repo https://github.com/fijk/png-rs written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/fijk/png-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 362bf58162601eaa433857c4cb2763f01524a6698a5f3058fcdb00b5627a2a45 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "362bf58162601eaa433857c4cb2763f01524a6698a5f3058fcdb00b5627a2a45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "362bf58162601eaa433857c4cb2763f01524a6698a5f3058fcdb00b5627a2a45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "362bf58162601eaa433857c4cb2763f01524a6698a5f3058fcdb00b5627a2a45", kill_on_drop: false }` [INFO] [stdout] 362bf58162601eaa433857c4cb2763f01524a6698a5f3058fcdb00b5627a2a45 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ecc945731d84a58fb9e961d1f33a968cab9589118059e1b4d9cc16833e60e391 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ecc945731d84a58fb9e961d1f33a968cab9589118059e1b4d9cc16833e60e391", kill_on_drop: false }` [INFO] [stderr] Checking png-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::iter::FromIterator` [INFO] [stdout] --> src/lib.rs:140:9 [INFO] [stdout] | [INFO] [stdout] 140 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter::FromIterator` [INFO] [stdout] --> src/lib.rs:140:9 [INFO] [stdout] | [INFO] [stdout] 140 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:198:23 [INFO] [stdout] | [INFO] [stdout] 198 | self.data.len() * 3 as u32 [INFO] [stdout] | ^^^^^^^^ expected `usize`, found `u32` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:198:5 [INFO] [stdout] | [INFO] [stdout] 197 | fn length(&self) -> u32 { [INFO] [stdout] | --- expected `u32` because of return type [INFO] [stdout] 198 | self.data.len() * 3 as u32 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `u32`, found `usize` [INFO] [stdout] | [INFO] [stdout] help: you can convert an `usize` to `u32` and panic if the converted value wouldn't fit [INFO] [stdout] | [INFO] [stdout] 198 | (self.data.len() * 3 as u32).try_into().unwrap() [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:198:23 [INFO] [stdout] | [INFO] [stdout] 198 | self.data.len() * 3 as u32 [INFO] [stdout] | ^^^^^^^^ expected `usize`, found `u32` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:198:5 [INFO] [stdout] | [INFO] [stdout] 197 | fn length(&self) -> u32 { [INFO] [stdout] | --- expected `u32` because of return type [INFO] [stdout] 198 | self.data.len() * 3 as u32 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `u32`, found `usize` [INFO] [stdout] | [INFO] [stdout] help: you can convert an `usize` to `u32` and panic if the converted value wouldn't fit [INFO] [stdout] | [INFO] [stdout] 198 | (self.data.len() * 3 as u32).try_into().unwrap() [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: cannot multiply `u32` to `usize` [INFO] [stdout] --> src/lib.rs:198:21 [INFO] [stdout] | [INFO] [stdout] 198 | self.data.len() * 3 as u32 [INFO] [stdout] | ^ no implementation for `usize * u32` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Mul` is not implemented for `usize` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: cannot multiply `u32` to `usize` [INFO] [stdout] --> src/lib.rs:198:21 [INFO] [stdout] | [INFO] [stdout] 198 | self.data.len() * 3 as u32 [INFO] [stdout] | ^ no implementation for `usize * u32` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Mul` is not implemented for `usize` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:201:30 [INFO] [stdout] | [INFO] [stdout] 201 | fn from(data: Vec) -> Self { [INFO] [stdout] | ---- ^^^^ expected struct `PaletteChunk`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:201:30 [INFO] [stdout] | [INFO] [stdout] 201 | fn from(data: Vec) -> Self { [INFO] [stdout] | ---- ^^^^ expected struct `PaletteChunk`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0308. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0308. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `png-rs` [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 `Command { std: "docker" "inspect" "ecc945731d84a58fb9e961d1f33a968cab9589118059e1b4d9cc16833e60e391", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ecc945731d84a58fb9e961d1f33a968cab9589118059e1b4d9cc16833e60e391", kill_on_drop: false }` [INFO] [stdout] ecc945731d84a58fb9e961d1f33a968cab9589118059e1b4d9cc16833e60e391