[INFO] cloning repository https://github.com/FoxxMD/tong
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FoxxMD/tong" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFoxxMD%2Ftong", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFoxxMD%2Ftong'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a3cc9034371ee3de3a9284d3b27dae23ec94f40
[INFO] checking FoxxMD/tong against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFoxxMD%2Ftong" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FoxxMD/tong 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/FoxxMD/tong
[INFO] finished tweaking git repo https://github.com/FoxxMD/tong
[INFO] tweaked toml for git repo https://github.com/FoxxMD/tong written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/FoxxMD/tong 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 udev v0.7.0
[INFO] [stderr]   Downloaded input v0.8.3
[INFO] [stderr]   Downloaded input-sys v1.18.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2a1ffbbc51668be6ce8af35616ab2908a30eba41a3c5a11d88b569895a337af4
[INFO] running `Command { std: "docker" "start" "-a" "2a1ffbbc51668be6ce8af35616ab2908a30eba41a3c5a11d88b569895a337af4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a1ffbbc51668be6ce8af35616ab2908a30eba41a3c5a11d88b569895a337af4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a1ffbbc51668be6ce8af35616ab2908a30eba41a3c5a11d88b569895a337af4", kill_on_drop: false }`
[INFO] [stdout] 2a1ffbbc51668be6ce8af35616ab2908a30eba41a3c5a11d88b569895a337af4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a87913684b9fed0e4ebe93d1e27d5f4bb689b4204bc39ff1a3037ef289cbd684
[INFO] running `Command { std: "docker" "start" "-a" "a87913684b9fed0e4ebe93d1e27d5f4bb689b4204bc39ff1a3037ef289cbd684", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.29
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling input-sys v1.18.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking udev v0.7.0
[INFO] [stderr]     Checking input v0.8.3
[INFO] [stderr]     Checking tong v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `Command { std: "docker" "inspect" "a87913684b9fed0e4ebe93d1e27d5f4bb689b4204bc39ff1a3037ef289cbd684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a87913684b9fed0e4ebe93d1e27d5f4bb689b4204bc39ff1a3037ef289cbd684", kill_on_drop: false }`
[INFO] [stdout] a87913684b9fed0e4ebe93d1e27d5f4bb689b4204bc39ff1a3037ef289cbd684
[INFO] checking FoxxMD/tong against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFoxxMD%2Ftong" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FoxxMD/tong 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/FoxxMD/tong
[INFO] finished tweaking git repo https://github.com/FoxxMD/tong
[INFO] tweaked toml for git repo https://github.com/FoxxMD/tong written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/FoxxMD/tong 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a944a0c8b94fd2b4566060a05e5ab28828227b7e624441c0bd4caf88a8ccdfc9
[INFO] running `Command { std: "docker" "start" "-a" "a944a0c8b94fd2b4566060a05e5ab28828227b7e624441c0bd4caf88a8ccdfc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a944a0c8b94fd2b4566060a05e5ab28828227b7e624441c0bd4caf88a8ccdfc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a944a0c8b94fd2b4566060a05e5ab28828227b7e624441c0bd4caf88a8ccdfc9", kill_on_drop: false }`
[INFO] [stdout] a944a0c8b94fd2b4566060a05e5ab28828227b7e624441c0bd4caf88a8ccdfc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 764e0c737ccbb1df64dfcc20b22429b203bcc37253e151a91461d7aeb7fdea43
[INFO] running `Command { std: "docker" "start" "-a" "764e0c737ccbb1df64dfcc20b22429b203bcc37253e151a91461d7aeb7fdea43", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.29
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling input-sys v1.18.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking udev v0.7.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/udev-0.7.0/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
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "764e0c737ccbb1df64dfcc20b22429b203bcc37253e151a91461d7aeb7fdea43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "764e0c737ccbb1df64dfcc20b22429b203bcc37253e151a91461d7aeb7fdea43", kill_on_drop: false }`
[INFO] [stdout] 764e0c737ccbb1df64dfcc20b22429b203bcc37253e151a91461d7aeb7fdea43