[INFO] fetching crate mio-udev 0.5.0...
[INFO] checking mio-udev-0.5.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate mio-udev 0.5.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate mio-udev 0.5.0 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 mio-udev 0.5.0
[INFO] finished tweaking crates.io crate mio-udev 0.5.0
[INFO] tweaked toml for crates.io crate mio-udev 0.5.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages
[INFO] [stderr]       Adding mio v0.7.14 (latest: v0.8.11)
[INFO] [stderr]       Adding miow v0.3.7 (latest: v0.6.0)
[INFO] [stderr]       Adding ntapi v0.3.7 (latest: v0.4.1)
[INFO] [stderr]       Adding udev v0.5.0 (latest: v0.8.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ffadd8f8aa79e5d3e74ad702fe562b5769915ad9decf8d791e366f2b78a2883d
[INFO] running `Command { std: "docker" "start" "-a" "ffadd8f8aa79e5d3e74ad702fe562b5769915ad9decf8d791e366f2b78a2883d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffadd8f8aa79e5d3e74ad702fe562b5769915ad9decf8d791e366f2b78a2883d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffadd8f8aa79e5d3e74ad702fe562b5769915ad9decf8d791e366f2b78a2883d", kill_on_drop: false }`
[INFO] [stdout] ffadd8f8aa79e5d3e74ad702fe562b5769915ad9decf8d791e366f2b78a2883d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e0d0fa2e7d9eb12bcd3df17b3a043bd7ecc3a8f5ce760ec12b1edb6f844550ef
[INFO] running `Command { std: "docker" "start" "-a" "e0d0fa2e7d9eb12bcd3df17b3a043bd7ecc3a8f5ce760ec12b1edb6f844550ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking udev v0.5.0
[INFO] [stderr]     Checking mio-udev v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "e0d0fa2e7d9eb12bcd3df17b3a043bd7ecc3a8f5ce760ec12b1edb6f844550ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0d0fa2e7d9eb12bcd3df17b3a043bd7ecc3a8f5ce760ec12b1edb6f844550ef", kill_on_drop: false }`
[INFO] [stdout] e0d0fa2e7d9eb12bcd3df17b3a043bd7ecc3a8f5ce760ec12b1edb6f844550ef
[INFO] checking mio-udev-0.5.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate mio-udev 0.5.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate mio-udev 0.5.0 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 mio-udev 0.5.0
[INFO] finished tweaking crates.io crate mio-udev 0.5.0
[INFO] tweaked toml for crates.io crate mio-udev 0.5.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 425b3fd01ee10aec3b3764ae24323d27ca6bd1a61eee6b69a58613db208a61d0
[INFO] running `Command { std: "docker" "start" "-a" "425b3fd01ee10aec3b3764ae24323d27ca6bd1a61eee6b69a58613db208a61d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "425b3fd01ee10aec3b3764ae24323d27ca6bd1a61eee6b69a58613db208a61d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "425b3fd01ee10aec3b3764ae24323d27ca6bd1a61eee6b69a58613db208a61d0", kill_on_drop: false }`
[INFO] [stdout] 425b3fd01ee10aec3b3764ae24323d27ca6bd1a61eee6b69a58613db208a61d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ac404868c29539de2c2d771ea2742aaea617cbc2bd9d78283b173d5c8cd85004
[INFO] running `Command { std: "docker" "start" "-a" "ac404868c29539de2c2d771ea2742aaea617cbc2bd9d78283b173d5c8cd85004", kill_on_drop: false }`
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking udev v0.5.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/udev-0.5.0/src/enumerator.rs:205:13
[INFO] [stdout]     |
[INFO] [stdout] 205 | /             match Device::from_syspath_with_context(self.enumerator.udev.clone(), syspath) {
[INFO] [stdout] 206 | |                 Ok(d) => return Some(d),
[INFO] [stdout] 207 | |                 Err(_) => continue,
[INFO] [stdout] 208 | |             };
[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 `udev` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ac404868c29539de2c2d771ea2742aaea617cbc2bd9d78283b173d5c8cd85004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac404868c29539de2c2d771ea2742aaea617cbc2bd9d78283b173d5c8cd85004", kill_on_drop: false }`
[INFO] [stdout] ac404868c29539de2c2d771ea2742aaea617cbc2bd9d78283b173d5c8cd85004