[INFO] fetching crate serial_logger 0.1.0...
[INFO] checking serial_logger-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate serial_logger 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate serial_logger 0.1.0 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 serial_logger 0.1.0
[INFO] finished tweaking crates.io crate serial_logger 0.1.0
[INFO] tweaked toml for crates.io crate serial_logger 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate serial_logger 0.1.0 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 cxxbridge-flags v1.0.90
[INFO] [stderr]   Downloaded libudev v0.3.0
[INFO] [stderr]   Downloaded serialport v4.2.0
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.90
[INFO] [stderr]   Downloaded cxx-build v1.0.90
[INFO] [stderr]   Downloaded cxx v1.0.90
[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] 536c7062ec1aab34c5215e3fd0f6b11ee927d27b354aee70519251d8a5b065d5
[INFO] running `Command { std: "docker" "start" "-a" "536c7062ec1aab34c5215e3fd0f6b11ee927d27b354aee70519251d8a5b065d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "536c7062ec1aab34c5215e3fd0f6b11ee927d27b354aee70519251d8a5b065d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "536c7062ec1aab34c5215e3fd0f6b11ee927d27b354aee70519251d8a5b065d5", kill_on_drop: false }`
[INFO] [stdout] 536c7062ec1aab34c5215e3fd0f6b11ee927d27b354aee70519251d8a5b065d5
[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] 76e4922392f9b1d5ff67a5185dd680901d123f7e9d49a14886fe5ac015ba98e0
[INFO] running `Command { std: "docker" "start" "-a" "76e4922392f9b1d5ff67a5185dd680901d123f7e9d49a14886fe5ac015ba98e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stderr]     Checking home v0.5.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking chrono v0.4.23
[INFO] [stderr]     Checking serialport v4.2.0
[INFO] [stderr]     Checking serial_logger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "76e4922392f9b1d5ff67a5185dd680901d123f7e9d49a14886fe5ac015ba98e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76e4922392f9b1d5ff67a5185dd680901d123f7e9d49a14886fe5ac015ba98e0", kill_on_drop: false }`
[INFO] [stdout] 76e4922392f9b1d5ff67a5185dd680901d123f7e9d49a14886fe5ac015ba98e0
[INFO] checking serial_logger-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate serial_logger 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate serial_logger 0.1.0 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 serial_logger 0.1.0
[INFO] finished tweaking crates.io crate serial_logger 0.1.0
[INFO] tweaked toml for crates.io crate serial_logger 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate serial_logger 0.1.0 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-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] 4c3b7e650dd9554854d7e1f9bbedbc86ffb7a306475a22a23b0999a5cca60d5e
[INFO] running `Command { std: "docker" "start" "-a" "4c3b7e650dd9554854d7e1f9bbedbc86ffb7a306475a22a23b0999a5cca60d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c3b7e650dd9554854d7e1f9bbedbc86ffb7a306475a22a23b0999a5cca60d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c3b7e650dd9554854d7e1f9bbedbc86ffb7a306475a22a23b0999a5cca60d5e", kill_on_drop: false }`
[INFO] [stdout] 4c3b7e650dd9554854d7e1f9bbedbc86ffb7a306475a22a23b0999a5cca60d5e
[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] eae668f51a52cbf258337c8a0cb4171d30fec41e4f748321697751734426e10d
[INFO] running `Command { std: "docker" "start" "-a" "eae668f51a52cbf258337c8a0cb4171d30fec41e4f748321697751734426e10d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stderr]     Checking home v0.5.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking nix v0.24.3
[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" "eae668f51a52cbf258337c8a0cb4171d30fec41e4f748321697751734426e10d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eae668f51a52cbf258337c8a0cb4171d30fec41e4f748321697751734426e10d", kill_on_drop: false }`
[INFO] [stdout] eae668f51a52cbf258337c8a0cb4171d30fec41e4f748321697751734426e10d