[INFO] cloning repository https://github.com/greizgh/usbautomator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/greizgh/usbautomator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreizgh%2Fusbautomator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreizgh%2Fusbautomator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89aad372d5f174a974e376244bfce2c53155089c
[INFO] checking greizgh/usbautomator against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreizgh%2Fusbautomator" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/greizgh/usbautomator 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/greizgh/usbautomator
[INFO] finished tweaking git repo https://github.com/greizgh/usbautomator
[INFO] tweaked toml for git repo https://github.com/greizgh/usbautomator written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/greizgh/usbautomator 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 gcc v0.3.54
[INFO] [stderr]   Downloaded toml v0.4.6
[INFO] [stderr]   Downloaded mac-notification-sys v0.1.3
[INFO] [stderr]   Downloaded xdg v2.1.0
[INFO] [stderr]   Downloaded error-chain v0.10.0
[INFO] [stderr]   Downloaded objc v0.2.5
[INFO] [stderr]   Downloaded libudev v0.2.0
[INFO] [stderr]   Downloaded dbus v0.4.1
[INFO] [stderr]   Downloaded pkg-config v0.3.12
[INFO] [stderr]   Downloaded chrono v0.4.5
[INFO] [stderr]   Downloaded num-integer v0.1.39
[INFO] [stderr]   Downloaded notify-rust v3.4.2
[INFO] [stderr]   Downloaded syn v0.14.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 943965ecf42d6819a58ba3bde4a39ea43fe11eb0345a92cce271b5e48d378548
[INFO] running `Command { std: "docker" "start" "-a" "943965ecf42d6819a58ba3bde4a39ea43fe11eb0345a92cce271b5e48d378548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "943965ecf42d6819a58ba3bde4a39ea43fe11eb0345a92cce271b5e48d378548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "943965ecf42d6819a58ba3bde4a39ea43fe11eb0345a92cce271b5e48d378548", kill_on_drop: false }`
[INFO] [stdout] 943965ecf42d6819a58ba3bde4a39ea43fe11eb0345a92cce271b5e48d378548
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2f72782b842a5d5d6fc824f70ec6568f87e589e6d07dd397372ad4ce56305b19
[INFO] running `Command { std: "docker" "start" "-a" "2f72782b842a5d5d6fc824f70ec6568f87e589e6d07dd397372ad4ce56305b19", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.12
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking xdg v2.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling dbus v0.4.1
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]    Compiling syn v0.14.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking structopt v0.2.10
[INFO] [stderr]     Checking notify-rust v3.4.2
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking usbautomator v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/config.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `toml` is imported redundantly
[INFO] [stdout]  --> src/config.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use toml;
[INFO] [stdout]   |     ^^^^ the item `toml` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/config.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `toml` is imported redundantly
[INFO] [stdout]  --> src/config.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use toml;
[INFO] [stdout]   |     ^^^^ the item `toml` is already defined by prelude
[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 4.61s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.6
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "2f72782b842a5d5d6fc824f70ec6568f87e589e6d07dd397372ad4ce56305b19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f72782b842a5d5d6fc824f70ec6568f87e589e6d07dd397372ad4ce56305b19", kill_on_drop: false }`
[INFO] [stdout] 2f72782b842a5d5d6fc824f70ec6568f87e589e6d07dd397372ad4ce56305b19
[INFO] checking greizgh/usbautomator against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreizgh%2Fusbautomator" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/greizgh/usbautomator 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/greizgh/usbautomator
[INFO] finished tweaking git repo https://github.com/greizgh/usbautomator
[INFO] tweaked toml for git repo https://github.com/greizgh/usbautomator written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/greizgh/usbautomator 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4209231dc84877505345d6810ed507fc380c2f6080e2cdd531b924e04d2eaee4
[INFO] running `Command { std: "docker" "start" "-a" "4209231dc84877505345d6810ed507fc380c2f6080e2cdd531b924e04d2eaee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4209231dc84877505345d6810ed507fc380c2f6080e2cdd531b924e04d2eaee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4209231dc84877505345d6810ed507fc380c2f6080e2cdd531b924e04d2eaee4", kill_on_drop: false }`
[INFO] [stdout] 4209231dc84877505345d6810ed507fc380c2f6080e2cdd531b924e04d2eaee4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c243f69f49a55ba6c2b5b1b6df09089b92182a7382ec9d6202ad7db41b63f414
[INFO] running `Command { std: "docker" "start" "-a" "c243f69f49a55ba6c2b5b1b6df09089b92182a7382ec9d6202ad7db41b63f414", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.12
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking xdg v2.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling dbus v0.4.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]    Compiling syn v0.14.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[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" "c243f69f49a55ba6c2b5b1b6df09089b92182a7382ec9d6202ad7db41b63f414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c243f69f49a55ba6c2b5b1b6df09089b92182a7382ec9d6202ad7db41b63f414", kill_on_drop: false }`
[INFO] [stdout] c243f69f49a55ba6c2b5b1b6df09089b92182a7382ec9d6202ad7db41b63f414