[INFO] cloning repository https://github.com/fetlife/facedetection-ruby
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fetlife/facedetection-ruby" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffetlife%2Ffacedetection-ruby", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffetlife%2Ffacedetection-ruby'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 192220675078ce2c93bd4107df3765328e7f880f
[INFO] checking fetlife/facedetection-ruby against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffetlife%2Ffacedetection-ruby" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fetlife/facedetection-ruby 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 git repo https://github.com/fetlife/facedetection-ruby
[INFO] finished tweaking git repo https://github.com/fetlife/facedetection-ruby
[INFO] tweaked toml for git repo https://github.com/fetlife/facedetection-ruby written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fetlife/facedetection-ruby 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 git repository `https://github.com/fetlife/libfacedetection-rs.git`
[INFO] [stderr]     Updating git submodule `https://github.com/ShiqiYu/libfacedetection.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded magnus v0.6.2
[INFO] [stderr]   Downloaded clang v2.0.0
[INFO] [stderr]   Downloaded opencv-binding-generator v0.83.0
[INFO] [stderr]   Downloaded opencv v0.88.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f539bf1de886364c78fac264484492748c31a94ecc78c385a619931da5956929
[INFO] running `Command { std: "docker" "start" "-a" "f539bf1de886364c78fac264484492748c31a94ecc78c385a619931da5956929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f539bf1de886364c78fac264484492748c31a94ecc78c385a619931da5956929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f539bf1de886364c78fac264484492748c31a94ecc78c385a619931da5956929", kill_on_drop: false }`
[INFO] [stdout] f539bf1de886364c78fac264484492748c31a94ecc78c385a619931da5956929
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 73367f74749d0e9945180eab75a8e8b4035b86aade9d070278921ca0d652d321
[INFO] running `Command { std: "docker" "start" "-a" "73367f74749d0e9945180eab75a8e8b4035b86aade9d070278921ca0d652d321", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling bindgen v0.69.1
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling rb-sys-env v0.1.2
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]    Compiling clang-sys v1.3.3
[INFO] [stderr]    Compiling magnus v0.6.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling libfacedetection-sys v0.2.1 (https://github.com/fetlife/libfacedetection-rs.git?rev=7426f33ba101514932a5ef58456761735c7bf3dc#7426f33b)
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]     Checking thiserror v1.0.32
[INFO] [stderr]     Checking libfacedetection v0.1.0 (https://github.com/fetlife/libfacedetection-rs.git?rev=7426f33ba101514932a5ef58456761735c7bf3dc#7426f33b)
[INFO] [stderr]    Compiling magnus-macros v0.6.0
[INFO] [stderr]    Compiling rb-sys-build v0.9.86
[INFO] [stderr]    Compiling rb-sys v0.9.86
[INFO] [stderr]     Checking libfacedetection-ruby v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Module`
[INFO] [stdout]  --> src/lib.rs:1:56
[INFO] [stdout]   |
[INFO] [stdout] 1 | use magnus::{error::Result, exception, Error, Integer, Module, RArray, RHash, Symbol};
[INFO] [stdout]   |                                                        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Module`
[INFO] [stdout]  --> src/lib.rs:1:56
[INFO] [stdout]   |
[INFO] [stdout] 1 | use magnus::{error::Result, exception, Error, Integer, Module, RArray, RHash, Symbol};
[INFO] [stdout]   |                                                        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 12.27s
[INFO] running `Command { std: "docker" "inspect" "73367f74749d0e9945180eab75a8e8b4035b86aade9d070278921ca0d652d321", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73367f74749d0e9945180eab75a8e8b4035b86aade9d070278921ca0d652d321", kill_on_drop: false }`
[INFO] [stdout] 73367f74749d0e9945180eab75a8e8b4035b86aade9d070278921ca0d652d321
[INFO] checking fetlife/facedetection-ruby against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffetlife%2Ffacedetection-ruby" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fetlife/facedetection-ruby 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 git repo https://github.com/fetlife/facedetection-ruby
[INFO] finished tweaking git repo https://github.com/fetlife/facedetection-ruby
[INFO] tweaked toml for git repo https://github.com/fetlife/facedetection-ruby written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/fetlife/facedetection-ruby 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1b228f59e0b1f751f6f28796f83086e945dc3ca1910e2603ceb9a036ba9c19e1
[INFO] running `Command { std: "docker" "start" "-a" "1b228f59e0b1f751f6f28796f83086e945dc3ca1910e2603ceb9a036ba9c19e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b228f59e0b1f751f6f28796f83086e945dc3ca1910e2603ceb9a036ba9c19e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b228f59e0b1f751f6f28796f83086e945dc3ca1910e2603ceb9a036ba9c19e1", kill_on_drop: false }`
[INFO] [stdout] 1b228f59e0b1f751f6f28796f83086e945dc3ca1910e2603ceb9a036ba9c19e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9899463f3745355aaab02b1157a8d94a1a3ffd2551b3cf82fa692e20e74d57d4
[INFO] running `Command { std: "docker" "start" "-a" "9899463f3745355aaab02b1157a8d94a1a3ffd2551b3cf82fa692e20e74d57d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling bindgen v0.69.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling rb-sys-env v0.1.2
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]    Compiling clang-sys v1.3.3
[INFO] [stderr]    Compiling magnus v0.6.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling libfacedetection-sys v0.2.1 (https://github.com/fetlife/libfacedetection-rs.git?rev=7426f33ba101514932a5ef58456761735c7bf3dc#7426f33b)
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.6.0/src/exec.rs:848:13
[INFO] [stdout]     |
[INFO] [stdout] 848 | /             match dfa::Fsm::reverse(
[INFO] [stdout] 849 | |                 &self.ro.dfa_reverse,
[INFO] [stdout] 850 | |                 self.cache.value(),
[INFO] [stdout] 851 | |                 false,
[INFO] [stdout] ...   |
[INFO] [stdout] 862 | |                 Quit => return Some(Quit),
[INFO] [stdout] 863 | |             };
[INFO] [stdout]     | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cexpr v0.6.0
[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 `regex` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9899463f3745355aaab02b1157a8d94a1a3ffd2551b3cf82fa692e20e74d57d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9899463f3745355aaab02b1157a8d94a1a3ffd2551b3cf82fa692e20e74d57d4", kill_on_drop: false }`
[INFO] [stdout] 9899463f3745355aaab02b1157a8d94a1a3ffd2551b3cf82fa692e20e74d57d4