[INFO] fetching crate enocean 0.2.58... [INFO] checking enocean-0.2.58 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate enocean 0.2.58 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate enocean 0.2.58 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 crates.io crate enocean 0.2.58 [INFO] finished tweaking crates.io crate enocean 0.2.58 [INFO] tweaked toml for crates.io crate enocean 0.2.58 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate enocean 0.2.58 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 libudev v0.2.0 [INFO] [stderr] Downloaded IOKit-sys v0.1.5 [INFO] [stderr] Downloaded mach v0.1.2 [INFO] [stderr] Downloaded cc v1.0.47 [INFO] [stderr] Downloaded serialport v3.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 821772852f86ad6bfbb7ccba11a46fb85ccc0d4842d4fc03cd8cab08ba4f80e9 [INFO] running `Command { std: "docker" "start" "-a" "821772852f86ad6bfbb7ccba11a46fb85ccc0d4842d4fc03cd8cab08ba4f80e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "821772852f86ad6bfbb7ccba11a46fb85ccc0d4842d4fc03cd8cab08ba4f80e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "821772852f86ad6bfbb7ccba11a46fb85ccc0d4842d4fc03cd8cab08ba4f80e9", kill_on_drop: false }` [INFO] [stdout] 821772852f86ad6bfbb7ccba11a46fb85ccc0d4842d4fc03cd8cab08ba4f80e9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 392e9215b5d1c1bd7803fd9f46e635e170dd6dd6622302f3667ad2a36ce32262 [INFO] running `Command { std: "docker" "start" "-a" "392e9215b5d1c1bd7803fd9f46e635e170dd6dd6622302f3667ad2a36ce32262", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking serialport v3.3.0 [INFO] [stderr] Checking enocean v0.2.58 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/enocean.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `result_payload` is never read [INFO] [stdout] --> src/enocean.rs:684:17 [INFO] [stdout] | [INFO] [stdout] 684 | let mut result_payload: Vec = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/enocean.rs:681:13 [INFO] [stdout] | [INFO] [stdout] 681 | let mut result_sender_id: [u8; 4]; [INFO] [stdout] | ----^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/enocean.rs:682:13 [INFO] [stdout] | [INFO] [stdout] 682 | let mut result_rorg: Rorg; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/enocean.rs:683:13 [INFO] [stdout] | [INFO] [stdout] 683 | let mut result_status: u8; [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.81s [INFO] running `Command { std: "docker" "inspect" "392e9215b5d1c1bd7803fd9f46e635e170dd6dd6622302f3667ad2a36ce32262", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "392e9215b5d1c1bd7803fd9f46e635e170dd6dd6622302f3667ad2a36ce32262", kill_on_drop: false }` [INFO] [stdout] 392e9215b5d1c1bd7803fd9f46e635e170dd6dd6622302f3667ad2a36ce32262 [INFO] checking enocean-0.2.58 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate enocean 0.2.58 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate enocean 0.2.58 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 crates.io crate enocean 0.2.58 [INFO] finished tweaking crates.io crate enocean 0.2.58 [INFO] tweaked toml for crates.io crate enocean 0.2.58 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate enocean 0.2.58 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f74bd8658f3ee1718feaf2aea9546884c24a57167b24e10f2f1bd060c1c10625 [INFO] running `Command { std: "docker" "start" "-a" "f74bd8658f3ee1718feaf2aea9546884c24a57167b24e10f2f1bd060c1c10625", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f74bd8658f3ee1718feaf2aea9546884c24a57167b24e10f2f1bd060c1c10625", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f74bd8658f3ee1718feaf2aea9546884c24a57167b24e10f2f1bd060c1c10625", kill_on_drop: false }` [INFO] [stdout] f74bd8658f3ee1718feaf2aea9546884c24a57167b24e10f2f1bd060c1c10625 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a6658ebc46400d9d5c541c25316805bbe2982d900b84644d0596ea8da427aae7 [INFO] running `Command { std: "docker" "start" "-a" "a6658ebc46400d9d5c541c25316805bbe2982d900b84644d0596ea8da427aae7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking bitflags v1.2.1 [INFO] [stderr] Compiling libudev-sys v0.1.4 [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" "a6658ebc46400d9d5c541c25316805bbe2982d900b84644d0596ea8da427aae7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6658ebc46400d9d5c541c25316805bbe2982d900b84644d0596ea8da427aae7", kill_on_drop: false }` [INFO] [stdout] a6658ebc46400d9d5c541c25316805bbe2982d900b84644d0596ea8da427aae7