[INFO] fetching crate polling 3.3.1...
[INFO] checking polling-3.3.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate polling 3.3.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate polling 3.3.1 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 polling 3.3.1
[INFO] finished tweaking crates.io crate polling 3.3.1
[INFO] tweaked toml for crates.io crate polling 3.3.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate polling 3.3.1 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 windows-targets v0.52.0
[INFO] [stderr]   Downloaded errno v0.3.7
[INFO] [stderr]   Downloaded rustix v0.38.25
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.52.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.52.0
[INFO] [stderr]   Downloaded easy-parallel v3.3.1
[INFO] [stderr]   Downloaded windows_i686_msvc v0.52.0
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.52.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.52.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.52.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.52.0
[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] 9b3a25a36fc470fa8ac747f2bffd69f1158b694b3e9bcdc64adff52b6fb26cc0
[INFO] running `Command { std: "docker" "start" "-a" "9b3a25a36fc470fa8ac747f2bffd69f1158b694b3e9bcdc64adff52b6fb26cc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b3a25a36fc470fa8ac747f2bffd69f1158b694b3e9bcdc64adff52b6fb26cc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b3a25a36fc470fa8ac747f2bffd69f1158b694b3e9bcdc64adff52b6fb26cc0", kill_on_drop: false }`
[INFO] [stdout] 9b3a25a36fc470fa8ac747f2bffd69f1158b694b3e9bcdc64adff52b6fb26cc0
[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] 37e64f7f9907f379cb42690c384caa0978a853bbcb32cdb423d3efa52e90eaab
[INFO] running `Command { std: "docker" "start" "-a" "37e64f7f9907f379cb42690c384caa0978a853bbcb32cdb423d3efa52e90eaab", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling rustix v0.38.25
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking easy-parallel v3.3.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking polling v3.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `PollerSealed` is never used
[INFO] [stdout]   --> src/os.rs:23:15
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub trait PollerSealed {}
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `PollerSealed` is never used
[INFO] [stdout]   --> src/os.rs:23:15
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub trait PollerSealed {}
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.09s
[INFO] running `Command { std: "docker" "inspect" "37e64f7f9907f379cb42690c384caa0978a853bbcb32cdb423d3efa52e90eaab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37e64f7f9907f379cb42690c384caa0978a853bbcb32cdb423d3efa52e90eaab", kill_on_drop: false }`
[INFO] [stdout] 37e64f7f9907f379cb42690c384caa0978a853bbcb32cdb423d3efa52e90eaab
[INFO] checking polling-3.3.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate polling 3.3.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate polling 3.3.1 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 polling 3.3.1
[INFO] finished tweaking crates.io crate polling 3.3.1
[INFO] tweaked toml for crates.io crate polling 3.3.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate polling 3.3.1 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] e56f6189dbe9b09b9015aa274bafbd0b23d3ef45c3568de27e31effc2f973cf9
[INFO] running `Command { std: "docker" "start" "-a" "e56f6189dbe9b09b9015aa274bafbd0b23d3ef45c3568de27e31effc2f973cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e56f6189dbe9b09b9015aa274bafbd0b23d3ef45c3568de27e31effc2f973cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e56f6189dbe9b09b9015aa274bafbd0b23d3ef45c3568de27e31effc2f973cf9", kill_on_drop: false }`
[INFO] [stdout] e56f6189dbe9b09b9015aa274bafbd0b23d3ef45c3568de27e31effc2f973cf9
[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] 279c185bcff999587e3f75e2066932aa9daad52d2af1ad0e69b8d32715ae8d02
[INFO] running `Command { std: "docker" "start" "-a" "279c185bcff999587e3f75e2066932aa9daad52d2af1ad0e69b8d32715ae8d02", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling rustix v0.38.25
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking easy-parallel v3.3.1
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/signal-hook-registry-1.4.1/src/half_lock.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |             unsafe { libc::abort() };
[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 `signal-hook-registry` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "279c185bcff999587e3f75e2066932aa9daad52d2af1ad0e69b8d32715ae8d02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "279c185bcff999587e3f75e2066932aa9daad52d2af1ad0e69b8d32715ae8d02", kill_on_drop: false }`
[INFO] [stdout] 279c185bcff999587e3f75e2066932aa9daad52d2af1ad0e69b8d32715ae8d02