[INFO] fetching crate udev 0.8.0...
[INFO] checking udev-0.8.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate udev 0.8.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate udev 0.8.0 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 udev 0.8.0
[INFO] finished tweaking crates.io crate udev 0.8.0
[INFO] tweaked toml for crates.io crate udev 0.8.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate udev 0.8.0 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] 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] 3191b2430c1ea7b6cb65ae93306378a023a9751cad8ad77d6c552a470aa88791
[INFO] running `Command { std: "docker" "start" "-a" "3191b2430c1ea7b6cb65ae93306378a023a9751cad8ad77d6c552a470aa88791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3191b2430c1ea7b6cb65ae93306378a023a9751cad8ad77d6c552a470aa88791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3191b2430c1ea7b6cb65ae93306378a023a9751cad8ad77d6c552a470aa88791", kill_on_drop: false }`
[INFO] [stdout] 3191b2430c1ea7b6cb65ae93306378a023a9751cad8ad77d6c552a470aa88791
[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] 083bdf97697e1b7196081d01f673694b7aabd0fcd803b2f8643f1c4d130a84bb
[INFO] running `Command { std: "docker" "start" "-a" "083bdf97697e1b7196081d01f673694b7aabd0fcd803b2f8643f1c4d130a84bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking udev v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ffi` is imported redundantly
[INFO] [stdout]   --> src/device.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 | use {ffi, util};
[INFO] [stdout]    |      ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub extern crate libudev_sys as ffi;
[INFO] [stdout]    | ------------------------------------ the item `ffi` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ffi` is imported redundantly
[INFO] [stdout]  --> src/enumerator.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | use {ffi, list::List, util};
[INFO] [stdout]   |      ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub extern crate libudev_sys as ffi;
[INFO] [stdout]   | ------------------------------------ the item `ffi` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ffi` is imported redundantly
[INFO] [stdout]  --> src/list.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ffi;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub extern crate libudev_sys as ffi;
[INFO] [stdout]   | ------------------------------------ the item `ffi` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ffi` is imported redundantly
[INFO] [stdout]   --> src/monitor.rs:18:6
[INFO] [stdout]    |
[INFO] [stdout] 18 | use {ffi, util};
[INFO] [stdout]    |      ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub extern crate libudev_sys as ffi;
[INFO] [stdout]    | ------------------------------------ the item `ffi` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ffi` is imported redundantly
[INFO] [stdout]  --> src/udev.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ffi;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub extern crate libudev_sys as ffi;
[INFO] [stdout]   | ------------------------------------ the item `ffi` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ffi` is imported redundantly
[INFO] [stdout]   --> src/device.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 | use {ffi, util};
[INFO] [stdout]    |      ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub extern crate libudev_sys as ffi;
[INFO] [stdout]    | ------------------------------------ the item `ffi` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ffi` is imported redundantly
[INFO] [stdout]  --> src/enumerator.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | use {ffi, list::List, util};
[INFO] [stdout]   |      ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub extern crate libudev_sys as ffi;
[INFO] [stdout]   | ------------------------------------ the item `ffi` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsRawWithContext` is imported redundantly
[INFO] [stdout]    --> src/enumerator.rs:217:17
[INFO] [stdout]     |
[INFO] [stdout] 216 |     use super::*;
[INFO] [stdout]     |         -------- the item `AsRawWithContext` is already imported here
[INFO] [stdout] 217 |     use crate::{AsRawWithContext, FromRawWithContext};
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ffi` is imported redundantly
[INFO] [stdout]  --> src/list.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ffi;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub extern crate libudev_sys as ffi;
[INFO] [stdout]   | ------------------------------------ the item `ffi` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ffi` is imported redundantly
[INFO] [stdout]   --> src/monitor.rs:18:6
[INFO] [stdout]    |
[INFO] [stdout] 18 | use {ffi, util};
[INFO] [stdout]    |      ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub extern crate libudev_sys as ffi;
[INFO] [stdout]    | ------------------------------------ the item `ffi` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ffi` is imported redundantly
[INFO] [stdout]  --> src/udev.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ffi;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub extern crate libudev_sys as ffi;
[INFO] [stdout]   | ------------------------------------ the item `ffi` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "083bdf97697e1b7196081d01f673694b7aabd0fcd803b2f8643f1c4d130a84bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "083bdf97697e1b7196081d01f673694b7aabd0fcd803b2f8643f1c4d130a84bb", kill_on_drop: false }`
[INFO] [stdout] 083bdf97697e1b7196081d01f673694b7aabd0fcd803b2f8643f1c4d130a84bb
[INFO] checking udev-0.8.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate udev 0.8.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate udev 0.8.0 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 udev 0.8.0
[INFO] finished tweaking crates.io crate udev 0.8.0
[INFO] tweaked toml for crates.io crate udev 0.8.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate udev 0.8.0 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-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] 734f2c5d4b2dca15e75f1af2546f89f6e26d825dbcda78678d89a0197e236e87
[INFO] running `Command { std: "docker" "start" "-a" "734f2c5d4b2dca15e75f1af2546f89f6e26d825dbcda78678d89a0197e236e87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "734f2c5d4b2dca15e75f1af2546f89f6e26d825dbcda78678d89a0197e236e87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "734f2c5d4b2dca15e75f1af2546f89f6e26d825dbcda78678d89a0197e236e87", kill_on_drop: false }`
[INFO] [stdout] 734f2c5d4b2dca15e75f1af2546f89f6e26d825dbcda78678d89a0197e236e87
[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] ecbbf25d847e38cc43d4342bec0f24719c9edbf0230849439b8f44596500f217
[INFO] running `Command { std: "docker" "start" "-a" "ecbbf25d847e38cc43d4342bec0f24719c9edbf0230849439b8f44596500f217", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking udev v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ffi` is imported redundantly
[INFO] [stdout]   --> src/device.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 | use {ffi, util};
[INFO] [stdout]    |      ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub extern crate libudev_sys as ffi;
[INFO] [stdout]    | ------------------------------------ the item `ffi` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ffi` is imported redundantly
[INFO] [stdout]  --> src/enumerator.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | use {ffi, list::List, util};
[INFO] [stdout]   |      ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub extern crate libudev_sys as ffi;
[INFO] [stdout]   | ------------------------------------ the item `ffi` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ffi` is imported redundantly
[INFO] [stdout]  --> src/list.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ffi;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub extern crate libudev_sys as ffi;
[INFO] [stdout]   | ------------------------------------ the item `ffi` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ffi` is imported redundantly
[INFO] [stdout]   --> src/monitor.rs:18:6
[INFO] [stdout]    |
[INFO] [stdout] 18 | use {ffi, util};
[INFO] [stdout]    |      ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub extern crate libudev_sys as ffi;
[INFO] [stdout]    | ------------------------------------ the item `ffi` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ffi` is imported redundantly
[INFO] [stdout]  --> src/udev.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ffi;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub extern crate libudev_sys as ffi;
[INFO] [stdout]   | ------------------------------------ the item `ffi` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ffi` is imported redundantly
[INFO] [stdout]   --> src/device.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 | use {ffi, util};
[INFO] [stdout]    |      ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub extern crate libudev_sys as ffi;
[INFO] [stdout]    | ------------------------------------ the item `ffi` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ffi` is imported redundantly
[INFO] [stdout]  --> src/enumerator.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | use {ffi, list::List, util};
[INFO] [stdout]   |      ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub extern crate libudev_sys as ffi;
[INFO] [stdout]   | ------------------------------------ the item `ffi` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsRawWithContext` is imported redundantly
[INFO] [stdout]    --> src/enumerator.rs:217:17
[INFO] [stdout]     |
[INFO] [stdout] 216 |     use super::*;
[INFO] [stdout]     |         -------- the item `AsRawWithContext` is already imported here
[INFO] [stdout] 217 |     use crate::{AsRawWithContext, FromRawWithContext};
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ffi` is imported redundantly
[INFO] [stdout]  --> src/list.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ffi;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub extern crate libudev_sys as ffi;
[INFO] [stdout]   | ------------------------------------ the item `ffi` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ffi` is imported redundantly
[INFO] [stdout]   --> src/monitor.rs:18:6
[INFO] [stdout]    |
[INFO] [stdout] 18 | use {ffi, util};
[INFO] [stdout]    |      ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub extern crate libudev_sys as ffi;
[INFO] [stdout]    | ------------------------------------ the item `ffi` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ffi` is imported redundantly
[INFO] [stdout]  --> src/udev.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ffi;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub extern crate libudev_sys as ffi;
[INFO] [stdout]   | ------------------------------------ the item `ffi` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/enumerator.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 200 | /             match Device::from_syspath(syspath) {
[INFO] [stdout] 201 | |                 Ok(d) => return Some(d),
[INFO] [stdout] 202 | |                 Err(_) => continue,
[INFO] [stdout] 203 | |             };
[INFO] [stdout]     | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/enumerator.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 200 | /             match Device::from_syspath(syspath) {
[INFO] [stdout] 201 | |                 Ok(d) => return Some(d),
[INFO] [stdout] 202 | |                 Err(_) => continue,
[INFO] [stdout] 203 | |             };
[INFO] [stdout]     | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 5 warnings emitted
[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; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error; 6 warnings emitted
[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 test) due to 2 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ecbbf25d847e38cc43d4342bec0f24719c9edbf0230849439b8f44596500f217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecbbf25d847e38cc43d4342bec0f24719c9edbf0230849439b8f44596500f217", kill_on_drop: false }`
[INFO] [stdout] ecbbf25d847e38cc43d4342bec0f24719c9edbf0230849439b8f44596500f217