[INFO] fetching crate avance 0.6.5...
[INFO] checking avance-0.6.5 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate avance 0.6.5 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate avance 0.6.5 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 avance 0.6.5
[INFO] finished tweaking crates.io crate avance 0.6.5
[INFO] tweaked toml for crates.io crate avance 0.6.5 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate avance 0.6.5 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 log v0.4.19
[INFO] [stderr]   Downloaded crossterm_winapi v0.9.1
[INFO] [stderr]   Downloaded signal-hook v0.3.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] cf91bfc54451f94729cd2b39c1ab70111ebb80c5ab832f1e50929b5e78ed88a6
[INFO] running `Command { std: "docker" "start" "-a" "cf91bfc54451f94729cd2b39c1ab70111ebb80c5ab832f1e50929b5e78ed88a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf91bfc54451f94729cd2b39c1ab70111ebb80c5ab832f1e50929b5e78ed88a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf91bfc54451f94729cd2b39c1ab70111ebb80c5ab832f1e50929b5e78ed88a6", kill_on_drop: false }`
[INFO] [stdout] cf91bfc54451f94729cd2b39c1ab70111ebb80c5ab832f1e50929b5e78ed88a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4eb718ec5299c1466801a7253bbf15cb63ffabe43003746508a94a6eedfeaadc
[INFO] running `Command { std: "docker" "start" "-a" "4eb718ec5299c1466801a7253bbf15cb63ffabe43003746508a94a6eedfeaadc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling avance v0.6.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "4eb718ec5299c1466801a7253bbf15cb63ffabe43003746508a94a6eedfeaadc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eb718ec5299c1466801a7253bbf15cb63ffabe43003746508a94a6eedfeaadc", kill_on_drop: false }`
[INFO] [stdout] 4eb718ec5299c1466801a7253bbf15cb63ffabe43003746508a94a6eedfeaadc
[INFO] checking avance-0.6.5 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate avance 0.6.5 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate avance 0.6.5 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 avance 0.6.5
[INFO] finished tweaking crates.io crate avance 0.6.5
[INFO] tweaked toml for crates.io crate avance 0.6.5 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate avance 0.6.5 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 877ca8236240bfe21f8c591b3fffe578ece47ee0c4672c2c67b7347c52985bca
[INFO] running `Command { std: "docker" "start" "-a" "877ca8236240bfe21f8c591b3fffe578ece47ee0c4672c2c67b7347c52985bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "877ca8236240bfe21f8c591b3fffe578ece47ee0c4672c2c67b7347c52985bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "877ca8236240bfe21f8c591b3fffe578ece47ee0c4672c2c67b7347c52985bca", kill_on_drop: false }`
[INFO] [stdout] 877ca8236240bfe21f8c591b3fffe578ece47ee0c4672c2c67b7347c52985bca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a6c7d0dfd388fbe273bb1cbc163ae06660a95905e1495866c0fc4a5a1df27292
[INFO] running `Command { std: "docker" "start" "-a" "a6c7d0dfd388fbe273bb1cbc163ae06660a95905e1495866c0fc4a5a1df27292", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling avance v0.6.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.8
[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" "a6c7d0dfd388fbe273bb1cbc163ae06660a95905e1495866c0fc4a5a1df27292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6c7d0dfd388fbe273bb1cbc163ae06660a95905e1495866c0fc4a5a1df27292", kill_on_drop: false }`
[INFO] [stdout] a6c7d0dfd388fbe273bb1cbc163ae06660a95905e1495866c0fc4a5a1df27292