[INFO] cloning repository https://github.com/lj94093/caps-map-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lj94093/caps-map-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flj94093%2Fcaps-map-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flj94093%2Fcaps-map-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ff8ff3aac995dbfdae3f6cf3909b7b4d0c3d542
[INFO] checking lj94093/caps-map-rs against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flj94093%2Fcaps-map-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lj94093/caps-map-rs 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/lj94093/caps-map-rs
[INFO] finished tweaking git repo https://github.com/lj94093/caps-map-rs
[INFO] tweaked toml for git repo https://github.com/lj94093/caps-map-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lj94093/caps-map-rs 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 udev v0.5.1
[INFO] [stderr]   Downloaded evdev-rs v0.4.0
[INFO] [stderr]   Downloaded evdev-sys v0.2.1
[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] 91063b5c1095d5f74ae16d9f151b2efbb6a5559ea4bb3a12cdc39040bf293e08
[INFO] running `Command { std: "docker" "start" "-a" "91063b5c1095d5f74ae16d9f151b2efbb6a5559ea4bb3a12cdc39040bf293e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91063b5c1095d5f74ae16d9f151b2efbb6a5559ea4bb3a12cdc39040bf293e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91063b5c1095d5f74ae16d9f151b2efbb6a5559ea4bb3a12cdc39040bf293e08", kill_on_drop: false }`
[INFO] [stdout] 91063b5c1095d5f74ae16d9f151b2efbb6a5559ea4bb3a12cdc39040bf293e08
[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] 5fe7dd76654134f267ebef09795729c5015dfc7677680e6396f4a536517a696f
[INFO] running `Command { std: "docker" "start" "-a" "5fe7dd76654134f267ebef09795729c5015dfc7677680e6396f4a536517a696f", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling evdev-sys v0.2.1
[INFO] [stderr]     Checking udev v0.5.1
[INFO] [stderr]     Checking evdev-rs v0.4.0
[INFO] [stderr]     Checking caps-map-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the type `fd_set` does not permit being left uninitialized
[INFO] [stdout]   --> src/main.rs:94:30
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let mut raw_fd_set = mem::MaybeUninit::<libc::fd_set>::uninit().assume_init();
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              this code causes undefined behavior when executed
[INFO] [stdout]    |                              help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `fd_set` does not permit being left uninitialized
[INFO] [stdout]   --> src/main.rs:94:30
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let mut raw_fd_set = mem::MaybeUninit::<libc::fd_set>::uninit().assume_init();
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              this code causes undefined behavior when executed
[INFO] [stdout]    |                              help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "5fe7dd76654134f267ebef09795729c5015dfc7677680e6396f4a536517a696f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fe7dd76654134f267ebef09795729c5015dfc7677680e6396f4a536517a696f", kill_on_drop: false }`
[INFO] [stdout] 5fe7dd76654134f267ebef09795729c5015dfc7677680e6396f4a536517a696f