[INFO] cloning repository https://github.com/Mihai-Eduard/rust-workshop [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mihai-Eduard/rust-workshop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMihai-Eduard%2Frust-workshop", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMihai-Eduard%2Frust-workshop'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a9b3d6c5ff2c35a40b5c12486a1585a6588d3266 [INFO] checking Mihai-Eduard/rust-workshop against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMihai-Eduard%2Frust-workshop" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Mihai-Eduard/rust-workshop 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/Mihai-Eduard/rust-workshop [INFO] finished tweaking git repo https://github.com/Mihai-Eduard/rust-workshop [INFO] tweaked toml for git repo https://github.com/Mihai-Eduard/rust-workshop written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Mihai-Eduard/rust-workshop 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 libudev v0.3.0 [INFO] [stderr] Downloaded serialport v4.2.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9d3271854ce842253982c78316699614fa659e7e8a8e13ddedf3fdfa80f3bbcb [INFO] running `Command { std: "docker" "start" "-a" "9d3271854ce842253982c78316699614fa659e7e8a8e13ddedf3fdfa80f3bbcb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9d3271854ce842253982c78316699614fa659e7e8a8e13ddedf3fdfa80f3bbcb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d3271854ce842253982c78316699614fa659e7e8a8e13ddedf3fdfa80f3bbcb", kill_on_drop: false }` [INFO] [stdout] 9d3271854ce842253982c78316699614fa659e7e8a8e13ddedf3fdfa80f3bbcb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7a684d9647b1abdb0f9afbb3d9db937a6362e120f940b25f3336f894af1e329f [INFO] running `Command { std: "docker" "start" "-a" "7a684d9647b1abdb0f9afbb3d9db937a6362e120f940b25f3336f894af1e329f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.148 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling signal-hook v0.3.17 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking bitflags v2.4.0 [INFO] [stderr] Checking lock_api v0.4.10 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking mio v0.8.8 [INFO] [stderr] Checking parking_lot_core v0.9.8 [INFO] [stderr] Checking nix v0.26.4 [INFO] [stderr] Checking libudev v0.3.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking signal-hook-mio v0.2.3 [INFO] [stderr] Checking crossterm v0.27.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking serialport v4.2.2 [INFO] [stderr] Checking rust-workshop v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/main.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{io::{self,Write}, time::Duration}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `RobotCmd` is never used [INFO] [stdout] --> src/main.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | enum RobotCmd { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RobotClient` is never constructed [INFO] [stdout] --> src/main.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct RobotClient { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `send` are never used [INFO] [stdout] --> src/main.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 15 | impl RobotClient { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 16 | fn new(port_name: &str) -> RobotClient { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | fn send(&self, cmd: RobotCmd) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `list_ports` is never used [INFO] [stdout] --> src/main.rs:60:4 [INFO] [stdout] | [INFO] [stdout] 60 | fn list_ports() -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/main.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{io::{self,Write}, time::Duration}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `RobotCmd` is never used [INFO] [stdout] --> src/main.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | enum RobotCmd { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RobotClient` is never constructed [INFO] [stdout] --> src/main.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct RobotClient { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `send` are never used [INFO] [stdout] --> src/main.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 15 | impl RobotClient { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 16 | fn new(port_name: &str) -> RobotClient { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | fn send(&self, cmd: RobotCmd) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `list_ports` is never used [INFO] [stdout] --> src/main.rs:60:4 [INFO] [stdout] | [INFO] [stdout] 60 | fn list_ports() -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.07s [INFO] running `Command { std: "docker" "inspect" "7a684d9647b1abdb0f9afbb3d9db937a6362e120f940b25f3336f894af1e329f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a684d9647b1abdb0f9afbb3d9db937a6362e120f940b25f3336f894af1e329f", kill_on_drop: false }` [INFO] [stdout] 7a684d9647b1abdb0f9afbb3d9db937a6362e120f940b25f3336f894af1e329f [INFO] checking Mihai-Eduard/rust-workshop against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMihai-Eduard%2Frust-workshop" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Mihai-Eduard/rust-workshop 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/Mihai-Eduard/rust-workshop [INFO] finished tweaking git repo https://github.com/Mihai-Eduard/rust-workshop [INFO] tweaked toml for git repo https://github.com/Mihai-Eduard/rust-workshop written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Mihai-Eduard/rust-workshop 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] bd24f5e5b6857ba187971ed77be16a4d0a691c0b8295d626298b7c0280195a22 [INFO] running `Command { std: "docker" "start" "-a" "bd24f5e5b6857ba187971ed77be16a4d0a691c0b8295d626298b7c0280195a22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bd24f5e5b6857ba187971ed77be16a4d0a691c0b8295d626298b7c0280195a22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd24f5e5b6857ba187971ed77be16a4d0a691c0b8295d626298b7c0280195a22", kill_on_drop: false }` [INFO] [stdout] bd24f5e5b6857ba187971ed77be16a4d0a691c0b8295d626298b7c0280195a22 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d587ef65a1dd0c2aec1aa574670105f7f6eb9fb39f23aad23942a7a2564bad74 [INFO] running `Command { std: "docker" "start" "-a" "d587ef65a1dd0c2aec1aa574670105f7f6eb9fb39f23aad23942a7a2564bad74", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.148 [INFO] [stderr] Compiling signal-hook v0.3.17 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking bitflags v2.4.0 [INFO] [stderr] Checking lock_api v0.4.10 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking mio v0.8.8 [INFO] [stderr] Checking parking_lot_core v0.9.8 [INFO] [stderr] Checking nix v0.26.4 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/signal-hook-registry-1.4.1/src/half_lock.rs:145:13 [INFO] [stdout] | [INFO] [stdout] 145 | unsafe { libc::abort() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking libudev v0.3.0 [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 `signal-hook-registry` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/libudev-0.3.0/src/enumerator.rs:171:17 [INFO] [stdout] | [INFO] [stdout] 171 | / if !device.is_null() { [INFO] [stdout] 172 | | return Some(::device::from_raw(device)); [INFO] [stdout] 173 | | } [INFO] [stdout] 174 | | else { [INFO] [stdout] 175 | | continue; [INFO] [stdout] 176 | | } [INFO] [stdout] | |_________________^ cannot satisfy `_ -> _` [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 E0284`. [INFO] [stdout] [INFO] [stderr] error: could not compile `libudev` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "d587ef65a1dd0c2aec1aa574670105f7f6eb9fb39f23aad23942a7a2564bad74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d587ef65a1dd0c2aec1aa574670105f7f6eb9fb39f23aad23942a7a2564bad74", kill_on_drop: false }` [INFO] [stdout] d587ef65a1dd0c2aec1aa574670105f7f6eb9fb39f23aad23942a7a2564bad74