[INFO] fetching crate clap_mangen 0.2.15...
[INFO] checking clap_mangen-0.2.15 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate clap_mangen 0.2.15 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate clap_mangen 0.2.15 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 clap_mangen 0.2.15
[INFO] finished tweaking crates.io crate clap_mangen 0.2.15
[INFO] tweaked toml for crates.io crate clap_mangen 0.2.15 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate clap_mangen 0.2.15 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 roff v0.2.1
[INFO] [stderr]   Downloaded snapbox v0.4.13
[INFO] [stderr]   Downloaded similar v2.2.0
[INFO] [stderr]   Downloaded anstream v0.6.0
[INFO] [stderr]   Downloaded snapbox-macros v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9018335bc60087766f2f22ccbff464fc8250b94a43409233f5ad0476da5c66e3
[INFO] running `Command { std: "docker" "start" "-a" "9018335bc60087766f2f22ccbff464fc8250b94a43409233f5ad0476da5c66e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9018335bc60087766f2f22ccbff464fc8250b94a43409233f5ad0476da5c66e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9018335bc60087766f2f22ccbff464fc8250b94a43409233f5ad0476da5c66e3", kill_on_drop: false }`
[INFO] [stdout] 9018335bc60087766f2f22ccbff464fc8250b94a43409233f5ad0476da5c66e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 195eba7f879f56ed100045581fb39dad8a197c5efaf4d80faf3928ff12bf9a7e
[INFO] running `Command { std: "docker" "start" "-a" "195eba7f879f56ed100045581fb39dad8a197c5efaf4d80faf3928ff12bf9a7e", kill_on_drop: false }`
[INFO] [stderr]     Checking anstyle v1.0.2
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking similar v2.2.0
[INFO] [stderr]     Checking roff v0.2.1
[INFO] [stderr]     Checking anstream v0.6.0
[INFO] [stderr]     Checking clap_builder v4.3.0
[INFO] [stderr]     Checking snapbox-macros v0.3.6
[INFO] [stderr]     Checking snapbox v0.4.13
[INFO] [stderr]     Checking clap v4.3.0
[INFO] [stderr]     Checking clap_mangen v0.2.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `Command { std: "docker" "inspect" "195eba7f879f56ed100045581fb39dad8a197c5efaf4d80faf3928ff12bf9a7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "195eba7f879f56ed100045581fb39dad8a197c5efaf4d80faf3928ff12bf9a7e", kill_on_drop: false }`
[INFO] [stdout] 195eba7f879f56ed100045581fb39dad8a197c5efaf4d80faf3928ff12bf9a7e
[INFO] checking clap_mangen-0.2.15 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate clap_mangen 0.2.15 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate clap_mangen 0.2.15 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 clap_mangen 0.2.15
[INFO] finished tweaking crates.io crate clap_mangen 0.2.15
[INFO] tweaked toml for crates.io crate clap_mangen 0.2.15 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate clap_mangen 0.2.15 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5d39dd307c8fe4c4f745ccf7ce7fce20816d5bca215268a07e3317903b25d6c8
[INFO] running `Command { std: "docker" "start" "-a" "5d39dd307c8fe4c4f745ccf7ce7fce20816d5bca215268a07e3317903b25d6c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d39dd307c8fe4c4f745ccf7ce7fce20816d5bca215268a07e3317903b25d6c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d39dd307c8fe4c4f745ccf7ce7fce20816d5bca215268a07e3317903b25d6c8", kill_on_drop: false }`
[INFO] [stdout] 5d39dd307c8fe4c4f745ccf7ce7fce20816d5bca215268a07e3317903b25d6c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 666ce65cf78eda528506cd0a1ef16348c45c7225e2e01235e2f248aa3af6fbee
[INFO] running `Command { std: "docker" "start" "-a" "666ce65cf78eda528506cd0a1ef16348c45c7225e2e01235e2f248aa3af6fbee", kill_on_drop: false }`
[INFO] [stderr]     Checking anstyle v1.0.2
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking similar v2.2.0
[INFO] [stderr]     Checking roff v0.2.1
[INFO] [stderr]     Checking clap_builder v4.3.0
[INFO] [stderr]     Checking anstream v0.6.0
[INFO] [stderr]     Checking snapbox-macros v0.3.6
[INFO] [stderr]     Checking snapbox v0.4.13
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/snapbox-0.4.13/src/assert.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |             panic!("{}: {}", self.palette.error("Eq failed"), desc);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 `snapbox` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "666ce65cf78eda528506cd0a1ef16348c45c7225e2e01235e2f248aa3af6fbee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "666ce65cf78eda528506cd0a1ef16348c45c7225e2e01235e2f248aa3af6fbee", kill_on_drop: false }`
[INFO] [stdout] 666ce65cf78eda528506cd0a1ef16348c45c7225e2e01235e2f248aa3af6fbee