[INFO] cloning repository https://github.com/zam-5/SerialCLI-app [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zam-5/SerialCLI-app" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzam-5%2FSerialCLI-app", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzam-5%2FSerialCLI-app'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f6d5c1ce902cdea4cc329468f96981902d414618 [INFO] checking zam-5/SerialCLI-app against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzam-5%2FSerialCLI-app" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zam-5/SerialCLI-app 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/zam-5/SerialCLI-app [INFO] finished tweaking git repo https://github.com/zam-5/SerialCLI-app [INFO] tweaked toml for git repo https://github.com/zam-5/SerialCLI-app written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/zam-5/SerialCLI-app 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded CoreFoundation-sys v0.1.4 [INFO] [stderr] Downloaded IOKit-sys v0.1.5 [INFO] [stderr] Downloaded mach v0.1.2 [INFO] [stderr] Downloaded libudev v0.2.0 [INFO] [stderr] Downloaded nix v0.16.1 [INFO] [stderr] Downloaded serialport v4.0.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0c9e6807aafd8b031404d95de9abc8010d0bc2b08b83e7da00d54ce2f562d965 [INFO] running `Command { std: "docker" "start" "-a" "0c9e6807aafd8b031404d95de9abc8010d0bc2b08b83e7da00d54ce2f562d965", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0c9e6807aafd8b031404d95de9abc8010d0bc2b08b83e7da00d54ce2f562d965", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c9e6807aafd8b031404d95de9abc8010d0bc2b08b83e7da00d54ce2f562d965", kill_on_drop: false }` [INFO] [stdout] 0c9e6807aafd8b031404d95de9abc8010d0bc2b08b83e7da00d54ce2f562d965 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c66bde12973d738dc616284e499dbff2ec76eb78b604b9865b50e884889967dd [INFO] running `Command { std: "docker" "start" "-a" "c66bde12973d738dc616284e499dbff2ec76eb78b604b9865b50e884889967dd", kill_on_drop: false }` [INFO] [stderr] Compiling nix v0.16.1 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking serialport v4.0.1 [INFO] [stderr] Checking serial_cli_app v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/shell.rs:66:59 [INFO] [stdout] | [INFO] [stdout] 66 | .for_each(|str| argv.push(String::from(str.clone()))) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/shell.rs:66:59 [INFO] [stdout] | [INFO] [stdout] 66 | .for_each(|str| argv.push(String::from(str.clone()))) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.02s [INFO] running `Command { std: "docker" "inspect" "c66bde12973d738dc616284e499dbff2ec76eb78b604b9865b50e884889967dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c66bde12973d738dc616284e499dbff2ec76eb78b604b9865b50e884889967dd", kill_on_drop: false }` [INFO] [stdout] c66bde12973d738dc616284e499dbff2ec76eb78b604b9865b50e884889967dd [INFO] checking zam-5/SerialCLI-app against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzam-5%2FSerialCLI-app" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zam-5/SerialCLI-app 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/zam-5/SerialCLI-app [INFO] finished tweaking git repo https://github.com/zam-5/SerialCLI-app [INFO] tweaked toml for git repo https://github.com/zam-5/SerialCLI-app written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/zam-5/SerialCLI-app 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5f37d332fff22f91d3672486913eaf0cc53ddcf8e2d4b9000fda49d9317c1b01 [INFO] running `Command { std: "docker" "start" "-a" "5f37d332fff22f91d3672486913eaf0cc53ddcf8e2d4b9000fda49d9317c1b01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5f37d332fff22f91d3672486913eaf0cc53ddcf8e2d4b9000fda49d9317c1b01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f37d332fff22f91d3672486913eaf0cc53ddcf8e2d4b9000fda49d9317c1b01", kill_on_drop: false }` [INFO] [stdout] 5f37d332fff22f91d3672486913eaf0cc53ddcf8e2d4b9000fda49d9317c1b01 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bcc2f09f18de4885a7b8533ebf6bbeb459e5155c98a1bee28ca25b7577601a44 [INFO] running `Command { std: "docker" "start" "-a" "bcc2f09f18de4885a7b8533ebf6bbeb459e5155c98a1bee28ca25b7577601a44", kill_on_drop: false }` [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling nix v0.16.1 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/libudev-0.2.0/src/enumerator.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 159 | / match self.enumerator.context.device_from_syspath(syspath) { [INFO] [stdout] 160 | | Ok(d) => return Some(d), [INFO] [stdout] 161 | | Err(_) => continue [INFO] [stdout] 162 | | }; [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 `libudev` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "bcc2f09f18de4885a7b8533ebf6bbeb459e5155c98a1bee28ca25b7577601a44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bcc2f09f18de4885a7b8533ebf6bbeb459e5155c98a1bee28ca25b7577601a44", kill_on_drop: false }` [INFO] [stdout] bcc2f09f18de4885a7b8533ebf6bbeb459e5155c98a1bee28ca25b7577601a44