[INFO] cloning repository https://github.com/davidhudsont/XModemRust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidhudsont/XModemRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidhudsont%2FXModemRust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidhudsont%2FXModemRust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 81b3831127e14c07524c79169183eaa26262bc1d [INFO] checking davidhudsont/XModemRust against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidhudsont%2FXModemRust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/davidhudsont/XModemRust 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/davidhudsont/XModemRust [INFO] finished tweaking git repo https://github.com/davidhudsont/XModemRust [INFO] tweaked toml for git repo https://github.com/davidhudsont/XModemRust written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/davidhudsont/XModemRust 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 serialport v4.2.0 [INFO] [stderr] Downloaded libudev v0.3.0 [INFO] [stderr] Downloaded IOKit-sys v0.1.5 [INFO] [stderr] Downloaded CoreFoundation-sys v0.1.4 [INFO] [stderr] Downloaded mach v0.1.2 [INFO] [stderr] Downloaded regex v1.5.6 [INFO] [stderr] Downloaded nix v0.24.1 [INFO] [stderr] Downloaded regex-syntax v0.6.26 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e596ffda90121b39ecdbe5237273df7319c0225dc8d78ad33f95f0a1e0e2d366 [INFO] running `Command { std: "docker" "start" "-a" "e596ffda90121b39ecdbe5237273df7319c0225dc8d78ad33f95f0a1e0e2d366", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e596ffda90121b39ecdbe5237273df7319c0225dc8d78ad33f95f0a1e0e2d366", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e596ffda90121b39ecdbe5237273df7319c0225dc8d78ad33f95f0a1e0e2d366", kill_on_drop: false }` [INFO] [stdout] e596ffda90121b39ecdbe5237273df7319c0225dc8d78ad33f95f0a1e0e2d366 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e7837ee48f36d2931a8fb046317df2ba4d6480886f45d2423b1108f3b169645c [INFO] running `Command { std: "docker" "start" "-a" "e7837ee48f36d2931a8fb046317df2ba4d6480886f45d2423b1108f3b169645c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking nix v0.24.1 [INFO] [stderr] Checking libudev v0.3.0 [INFO] [stderr] Checking serialport v4.2.0 [INFO] [stderr] Checking xmodem v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: constant `STX` is never used [INFO] [stdout] --> src/xmodem.rs:17:7 [INFO] [stdout] | [INFO] [stdout] 17 | const STX: u8 = 0x02; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `retries`, `padbyte`, `send_nak`, `send_ack`, and `receive` are never used [INFO] [stdout] --> src/xmodem.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 26 | impl XModem [INFO] [stdout] | ----------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn retries(mut self, retries: i32) -> Self { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | pub fn padbyte(mut self, padbyte: u8) -> Self { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | fn send_nak(&mut self) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | fn send_ack(&mut self) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 60 | pub fn receive(&mut self, mut stream: Box, crc_mode: bool) -> Result { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `STX` is never used [INFO] [stdout] --> src/xmodem.rs:17:7 [INFO] [stdout] | [INFO] [stdout] 17 | const STX: u8 = 0x02; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `retries`, `padbyte`, `send_nak`, `send_ack`, and `receive` are never used [INFO] [stdout] --> src/xmodem.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 26 | impl XModem [INFO] [stdout] | ----------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn retries(mut self, retries: i32) -> Self { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | pub fn padbyte(mut self, padbyte: u8) -> Self { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | fn send_nak(&mut self) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | fn send_ack(&mut self) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 60 | pub fn receive(&mut self, mut stream: Box, crc_mode: bool) -> Result { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.33s [INFO] running `Command { std: "docker" "inspect" "e7837ee48f36d2931a8fb046317df2ba4d6480886f45d2423b1108f3b169645c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7837ee48f36d2931a8fb046317df2ba4d6480886f45d2423b1108f3b169645c", kill_on_drop: false }` [INFO] [stdout] e7837ee48f36d2931a8fb046317df2ba4d6480886f45d2423b1108f3b169645c [INFO] checking davidhudsont/XModemRust against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidhudsont%2FXModemRust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/davidhudsont/XModemRust 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/davidhudsont/XModemRust [INFO] finished tweaking git repo https://github.com/davidhudsont/XModemRust [INFO] tweaked toml for git repo https://github.com/davidhudsont/XModemRust written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/davidhudsont/XModemRust 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c0bc17f678367e52194362f41235a48365f3ec9b1b58caf8344c42a57aada609 [INFO] running `Command { std: "docker" "start" "-a" "c0bc17f678367e52194362f41235a48365f3ec9b1b58caf8344c42a57aada609", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c0bc17f678367e52194362f41235a48365f3ec9b1b58caf8344c42a57aada609", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0bc17f678367e52194362f41235a48365f3ec9b1b58caf8344c42a57aada609", kill_on_drop: false }` [INFO] [stdout] c0bc17f678367e52194362f41235a48365f3ec9b1b58caf8344c42a57aada609 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 376a5e69c69d392ac2a90d33ccfbb49afdb82d38f2f9b4cf788a532739b7e6bd [INFO] running `Command { std: "docker" "start" "-a" "376a5e69c69d392ac2a90d33ccfbb49afdb82d38f2f9b4cf788a532739b7e6bd", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking nix v0.24.1 [INFO] [stderr] Checking libudev v0.3.0 [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] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "376a5e69c69d392ac2a90d33ccfbb49afdb82d38f2f9b4cf788a532739b7e6bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "376a5e69c69d392ac2a90d33ccfbb49afdb82d38f2f9b4cf788a532739b7e6bd", kill_on_drop: false }` [INFO] [stdout] 376a5e69c69d392ac2a90d33ccfbb49afdb82d38f2f9b4cf788a532739b7e6bd