[INFO] cloning repository https://github.com/monodyle/cooler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/monodyle/cooler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonodyle%2Fcooler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonodyle%2Fcooler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a80f1d0ef67b795a45089e8f64e98a718d091a7d [INFO] checking monodyle/cooler against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonodyle%2Fcooler" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/monodyle/cooler on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/monodyle/cooler [INFO] finished tweaking git repo https://github.com/monodyle/cooler [INFO] tweaked toml for git repo https://github.com/monodyle/cooler written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/monodyle/cooler already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded anyhow v1.0.52 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9a16a9010404b29ff5bb20434fb286e20e6efe6d666f8e2e6256ca6f8195d707 [INFO] running `Command { std: "docker" "start" "-a" "9a16a9010404b29ff5bb20434fb286e20e6efe6d666f8e2e6256ca6f8195d707", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9a16a9010404b29ff5bb20434fb286e20e6efe6d666f8e2e6256ca6f8195d707", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a16a9010404b29ff5bb20434fb286e20e6efe6d666f8e2e6256ca6f8195d707", kill_on_drop: false }` [INFO] [stdout] 9a16a9010404b29ff5bb20434fb286e20e6efe6d666f8e2e6256ca6f8195d707 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] feefefdc76cbdec9472cfbd173c81a03a821cb768e0e4eb6bf674753e381192f [INFO] running `Command { std: "docker" "start" "-a" "feefefdc76cbdec9472cfbd173c81a03a821cb768e0e4eb6bf674753e381192f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling anyhow v1.0.52 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking coolor v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated items `new`, `to_rgb`, `parse`, `set_alpha`, `is_hsl_string`, and `print` are never used [INFO] [stdout] --> src/color/hsl.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl HSLColor { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 14 | pub fn new(h: u16, s: u8, l: u8, a: Option) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | pub fn to_rgb(&self) -> RGBColor { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 66 | pub fn parse(color: &String) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 71 | pub fn set_alpha(&mut self, alpha: f32) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 75 | pub fn is_hsl_string(color: &String) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 82 | pub fn print(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `to_hsl`, `parse`, `set_alpha`, `is_rgb_string`, and `print` are never used [INFO] [stdout] --> src/color/rgb.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 32 | impl RGBColor { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 33 | pub fn new(r: u8, g: u8, b: u8, a: Option) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn to_hsl(&self) -> HSLColor { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 81 | pub fn parse(color: &String) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 190 | pub fn set_alpha(&mut self, alpha: f32) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 194 | pub fn is_rgb_string(color: &String) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 201 | pub fn print(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `color_string_splitter` is never used [INFO] [stdout] --> src/color/utils.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn color_string_splitter(color: &String) -> Vec<&str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `safe_value` is never used [INFO] [stdout] --> src/color/utils.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn safe_value(low: T, high: T, value: T) -> T [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `hex_to_u8` is never used [INFO] [stdout] --> src/color/utils.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn hex_to_u8(value: String) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/error.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Error { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 9 | pub fn new(message: &str) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `parse`, `set_alpha`, `is_hsl_string`, and `print` are never used [INFO] [stdout] --> src/color/hsl.rs:66:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl HSLColor { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 66 | pub fn parse(color: &String) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 71 | pub fn set_alpha(&mut self, alpha: f32) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 75 | pub fn is_hsl_string(color: &String) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 82 | pub fn print(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `to_hsl`, `set_alpha`, `is_rgb_string`, and `print` are never used [INFO] [stdout] --> src/color/rgb.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 32 | impl RGBColor { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 33 | pub fn new(r: u8, g: u8, b: u8, a: Option) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn to_hsl(&self) -> HSLColor { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 190 | pub fn set_alpha(&mut self, alpha: f32) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 194 | pub fn is_rgb_string(color: &String) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 201 | pub fn print(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `color_string_splitter` is never used [INFO] [stdout] --> src/color/utils.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn color_string_splitter(color: &String) -> Vec<&str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.72s [INFO] running `Command { std: "docker" "inspect" "feefefdc76cbdec9472cfbd173c81a03a821cb768e0e4eb6bf674753e381192f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "feefefdc76cbdec9472cfbd173c81a03a821cb768e0e4eb6bf674753e381192f", kill_on_drop: false }` [INFO] [stdout] feefefdc76cbdec9472cfbd173c81a03a821cb768e0e4eb6bf674753e381192f [INFO] checking monodyle/cooler against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonodyle%2Fcooler" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/monodyle/cooler on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/monodyle/cooler [INFO] finished tweaking git repo https://github.com/monodyle/cooler [INFO] tweaked toml for git repo https://github.com/monodyle/cooler written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/monodyle/cooler already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 26678e6f37ab74812823d381eec16b3fe4ada2b5b18c44f21cb35161d9689f59 [INFO] running `Command { std: "docker" "start" "-a" "26678e6f37ab74812823d381eec16b3fe4ada2b5b18c44f21cb35161d9689f59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "26678e6f37ab74812823d381eec16b3fe4ada2b5b18c44f21cb35161d9689f59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26678e6f37ab74812823d381eec16b3fe4ada2b5b18c44f21cb35161d9689f59", kill_on_drop: false }` [INFO] [stdout] 26678e6f37ab74812823d381eec16b3fe4ada2b5b18c44f21cb35161d9689f59 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 26f72a7df4c1bc8598b24858a619d3aa4f91cef07df2a8c12327d1d8f1ae0d36 [INFO] running `Command { std: "docker" "start" "-a" "26f72a7df4c1bc8598b24858a619d3aa4f91cef07df2a8c12327d1d8f1ae0d36", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling anyhow v1.0.52 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.5.4/src/exec.rs:848:13 [INFO] [stdout] | [INFO] [stdout] 848 | / match dfa::Fsm::reverse( [INFO] [stdout] 849 | | &self.ro.dfa_reverse, [INFO] [stdout] 850 | | self.cache.value(), [INFO] [stdout] 851 | | false, [INFO] [stdout] ... | [INFO] [stdout] 862 | | Quit => return Some(Quit), [INFO] [stdout] 863 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `regex` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "26f72a7df4c1bc8598b24858a619d3aa4f91cef07df2a8c12327d1d8f1ae0d36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26f72a7df4c1bc8598b24858a619d3aa4f91cef07df2a8c12327d1d8f1ae0d36", kill_on_drop: false }` [INFO] [stdout] 26f72a7df4c1bc8598b24858a619d3aa4f91cef07df2a8c12327d1d8f1ae0d36