[INFO] cloning repository https://github.com/aalykiot/dune-event-loop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aalykiot/dune-event-loop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faalykiot%2Fdune-event-loop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faalykiot%2Fdune-event-loop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ab67d13de3f00858a242ceab8646ec5ae296501
[INFO] checking aalykiot/dune-event-loop against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faalykiot%2Fdune-event-loop" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aalykiot/dune-event-loop 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/aalykiot/dune-event-loop
[INFO] finished tweaking git repo https://github.com/aalykiot/dune-event-loop
[INFO] tweaked toml for git repo https://github.com/aalykiot/dune-event-loop written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/aalykiot/dune-event-loop 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 mio v0.8.11
[INFO] [stderr]   Downloaded fsevent-sys v4.1.0
[INFO] [stderr]   Downloaded inotify-sys v0.1.5
[INFO] [stderr]   Downloaded kqueue-sys v1.0.3
[INFO] [stderr]   Downloaded inotify v0.9.6
[INFO] [stderr]   Downloaded kqueue v1.0.7
[INFO] [stderr]   Downloaded ctrlc v3.4.4
[INFO] [stderr]   Downloaded either v1.8.0
[INFO] [stderr]   Downloaded bitflags v2.4.1
[INFO] [stderr]   Downloaded redox_syscall v0.4.1
[INFO] [stderr]   Downloaded notify v6.1.1
[INFO] [stderr]   Downloaded rayon v1.10.0
[INFO] [stderr]   Downloaded nix v0.28.0
[INFO] [stderr]   Downloaded rayon-core v1.12.1
[INFO] [stderr]   Downloaded signal-hook v0.3.17
[INFO] [stderr]   Downloaded signal-hook-mio v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e47dcd8b25c472ade72d463e16cccba18d383793c79261bd4c186273c12f7a0a
[INFO] running `Command { std: "docker" "start" "-a" "e47dcd8b25c472ade72d463e16cccba18d383793c79261bd4c186273c12f7a0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e47dcd8b25c472ade72d463e16cccba18d383793c79261bd4c186273c12f7a0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e47dcd8b25c472ade72d463e16cccba18d383793c79261bd4c186273c12f7a0a", kill_on_drop: false }`
[INFO] [stdout] e47dcd8b25c472ade72d463e16cccba18d383793c79261bd4c186273c12f7a0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c6a5b3a834b4d1db2a30cee4f6d1c38ff8c3e2b94a701effa4215fe805f45aa7
[INFO] running `Command { std: "docker" "start" "-a" "c6a5b3a834b4d1db2a30cee4f6d1c38ff8c3e2b94a701effa4215fe805f45aa7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking filetime v0.2.23
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking notify v6.1.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking dune_event_loop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `name` is never used
[INFO] [stdout]   --> src/lib.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | trait Resource: Downcast + 'static {
[INFO] [stdout]    |       -------- method in this trait
[INFO] [stdout] 52 |     /// Returns a string representation of the resource.
[INFO] [stdout] 53 |     fn name(&self) -> Cow<str> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `name` is never used
[INFO] [stdout]   --> src/lib.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | trait Resource: Downcast + 'static {
[INFO] [stdout]    |       -------- method in this trait
[INFO] [stdout] 52 |     /// Returns a string representation of the resource.
[INFO] [stdout] 53 |     fn name(&self) -> Cow<str> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "c6a5b3a834b4d1db2a30cee4f6d1c38ff8c3e2b94a701effa4215fe805f45aa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6a5b3a834b4d1db2a30cee4f6d1c38ff8c3e2b94a701effa4215fe805f45aa7", kill_on_drop: false }`
[INFO] [stdout] c6a5b3a834b4d1db2a30cee4f6d1c38ff8c3e2b94a701effa4215fe805f45aa7