[INFO] fetching crate nautic 0.0.1-alpha...
[INFO] checking nautic-0.0.1-alpha against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate nautic 0.0.1-alpha into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate nautic 0.0.1-alpha 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 nautic 0.0.1-alpha
[INFO] finished tweaking crates.io crate nautic 0.0.1-alpha
[INFO] tweaked toml for crates.io crate nautic 0.0.1-alpha written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate nautic 0.0.1-alpha 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 bitter v0.6.1
[INFO] [stderr]   Downloaded serde_derive v1.0.187
[INFO] [stderr]   Downloaded serde v1.0.187
[INFO] [stderr]   Downloaded nautic_dns v0.0.1-alpha
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6a0554abb224e230a2180e92ef0e9639d12fb20ab52c15bc15d549670c39fc94
[INFO] running `Command { std: "docker" "start" "-a" "6a0554abb224e230a2180e92ef0e9639d12fb20ab52c15bc15d549670c39fc94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a0554abb224e230a2180e92ef0e9639d12fb20ab52c15bc15d549670c39fc94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a0554abb224e230a2180e92ef0e9639d12fb20ab52c15bc15d549670c39fc94", kill_on_drop: false }`
[INFO] [stdout] 6a0554abb224e230a2180e92ef0e9639d12fb20ab52c15bc15d549670c39fc94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7abd2a60296967fba3eaecb2837105aeb639fe25587f5deddd0b702643f7287d
[INFO] running `Command { std: "docker" "start" "-a" "7abd2a60296967fba3eaecb2837105aeb639fe25587f5deddd0b702643f7287d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling serde v1.0.187
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking bitter v0.6.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling derive_builder_core v0.12.0
[INFO] [stderr]    Compiling derive_builder_macro v0.12.0
[INFO] [stderr]     Checking derive_builder v0.12.0
[INFO] [stderr]     Checking nautic_dns v0.0.1-alpha
[INFO] [stderr]     Checking nautic v0.0.1-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.04s
[INFO] running `Command { std: "docker" "inspect" "7abd2a60296967fba3eaecb2837105aeb639fe25587f5deddd0b702643f7287d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7abd2a60296967fba3eaecb2837105aeb639fe25587f5deddd0b702643f7287d", kill_on_drop: false }`
[INFO] [stdout] 7abd2a60296967fba3eaecb2837105aeb639fe25587f5deddd0b702643f7287d
[INFO] checking nautic-0.0.1-alpha against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate nautic 0.0.1-alpha into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate nautic 0.0.1-alpha 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 nautic 0.0.1-alpha
[INFO] finished tweaking crates.io crate nautic 0.0.1-alpha
[INFO] tweaked toml for crates.io crate nautic 0.0.1-alpha written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate nautic 0.0.1-alpha 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 49838358cb7781d959b16485d48da24e7c36ac482e77b44bbacc8fcd231c72b1
[INFO] running `Command { std: "docker" "start" "-a" "49838358cb7781d959b16485d48da24e7c36ac482e77b44bbacc8fcd231c72b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49838358cb7781d959b16485d48da24e7c36ac482e77b44bbacc8fcd231c72b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49838358cb7781d959b16485d48da24e7c36ac482e77b44bbacc8fcd231c72b1", kill_on_drop: false }`
[INFO] [stdout] 49838358cb7781d959b16485d48da24e7c36ac482e77b44bbacc8fcd231c72b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3a0a57f00dd42a865818f08cac8c2258489529e13eb38d7e21fe3b4fa7b71847
[INFO] running `Command { std: "docker" "start" "-a" "3a0a57f00dd42a865818f08cac8c2258489529e13eb38d7e21fe3b4fa7b71847", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling serde v1.0.187
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking bitter v0.6.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking parking_lot v0.12.1
[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] [stderr]     Checking socket2 v0.5.3
[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" "3a0a57f00dd42a865818f08cac8c2258489529e13eb38d7e21fe3b4fa7b71847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a0a57f00dd42a865818f08cac8c2258489529e13eb38d7e21fe3b4fa7b71847", kill_on_drop: false }`
[INFO] [stdout] 3a0a57f00dd42a865818f08cac8c2258489529e13eb38d7e21fe3b4fa7b71847