[INFO] fetching crate genemichaels 0.2.3...
[INFO] checking genemichaels-0.2.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate genemichaels 0.2.3 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate genemichaels 0.2.3 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 genemichaels 0.2.3
[INFO] finished tweaking crates.io crate genemichaels 0.2.3
[INFO] tweaked toml for crates.io crate genemichaels 0.2.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate genemichaels 0.2.3 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 aargvark_proc_macros v0.0.3
[INFO] [stderr]   Downloaded structre_proc_macros v0.0.3
[INFO] [stderr]   Downloaded loga v0.1.5
[INFO] [stderr]   Downloaded aargvark v0.0.6
[INFO] [stderr]   Downloaded cargo-manifest v0.11.0
[INFO] [stderr]   Downloaded comfy-table v7.0.1
[INFO] [stderr]   Downloaded structre v0.0.4
[INFO] [stderr]   Downloaded markdown v1.0.0-alpha.13
[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] 685424c6d6dfc926ce85fc10e08bc40b006cfc53eaf675c1b78a99c905dad314
[INFO] running `Command { std: "docker" "start" "-a" "685424c6d6dfc926ce85fc10e08bc40b006cfc53eaf675c1b78a99c905dad314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "685424c6d6dfc926ce85fc10e08bc40b006cfc53eaf675c1b78a99c905dad314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "685424c6d6dfc926ce85fc10e08bc40b006cfc53eaf675c1b78a99c905dad314", kill_on_drop: false }`
[INFO] [stdout] 685424c6d6dfc926ce85fc10e08bc40b006cfc53eaf675c1b78a99c905dad314
[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] 77a3f0af0f3fa8fe0b2ddb794e90ba2f8a39ef6f7b0b278e46a81b6786a1217a
[INFO] running `Command { std: "docker" "start" "-a" "77a3f0af0f3fa8fe0b2ddb794e90ba2f8a39ef6f7b0b278e46a81b6786a1217a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking winnow v0.5.15
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking unicode-id v0.3.4
[INFO] [stderr]     Checking markdown v1.0.0-alpha.13
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling litrs v0.2.3
[INFO] [stderr]    Compiling syn v2.0.36
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]     Checking signal-hook v0.3.17
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.26.1
[INFO] [stderr]     Checking terminal_size v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]     Checking loga v0.1.5
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling structre_proc_macros v0.0.3
[INFO] [stderr]    Compiling aargvark_proc_macros v0.0.3
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking structre v0.0.4
[INFO] [stderr]     Checking comfy-table v7.0.1
[INFO] [stderr]     Checking aargvark v0.0.6
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]     Checking cargo-manifest v0.11.0
[INFO] [stderr]     Checking genemichaels v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.65s
[INFO] running `Command { std: "docker" "inspect" "77a3f0af0f3fa8fe0b2ddb794e90ba2f8a39ef6f7b0b278e46a81b6786a1217a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77a3f0af0f3fa8fe0b2ddb794e90ba2f8a39ef6f7b0b278e46a81b6786a1217a", kill_on_drop: false }`
[INFO] [stdout] 77a3f0af0f3fa8fe0b2ddb794e90ba2f8a39ef6f7b0b278e46a81b6786a1217a
[INFO] checking genemichaels-0.2.3 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate genemichaels 0.2.3 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate genemichaels 0.2.3 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 genemichaels 0.2.3
[INFO] finished tweaking crates.io crate genemichaels 0.2.3
[INFO] tweaked toml for crates.io crate genemichaels 0.2.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate genemichaels 0.2.3 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7867ee29fb31ce03db007861a982fdd87d29447f50694132ff46f77c2d1db8ac
[INFO] running `Command { std: "docker" "start" "-a" "7867ee29fb31ce03db007861a982fdd87d29447f50694132ff46f77c2d1db8ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7867ee29fb31ce03db007861a982fdd87d29447f50694132ff46f77c2d1db8ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7867ee29fb31ce03db007861a982fdd87d29447f50694132ff46f77c2d1db8ac", kill_on_drop: false }`
[INFO] [stdout] 7867ee29fb31ce03db007861a982fdd87d29447f50694132ff46f77c2d1db8ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b3b2d41a766d44a7716b84d5686eaa6fa564a6349982e2bd26796d2462682f5b
[INFO] running `Command { std: "docker" "start" "-a" "b3b2d41a766d44a7716b84d5686eaa6fa564a6349982e2bd26796d2462682f5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking winnow v0.5.15
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking unicode-id v0.3.4
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking markdown v1.0.0-alpha.13
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking quote v1.0.33
[INFO] [stderr]    Compiling litrs v0.2.3
[INFO] [stderr]    Compiling syn v2.0.36
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking num_cpus v1.16.0
[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] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]     Checking threadpool v1.8.1
[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" "b3b2d41a766d44a7716b84d5686eaa6fa564a6349982e2bd26796d2462682f5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3b2d41a766d44a7716b84d5686eaa6fa564a6349982e2bd26796d2462682f5b", kill_on_drop: false }`
[INFO] [stdout] b3b2d41a766d44a7716b84d5686eaa6fa564a6349982e2bd26796d2462682f5b