[INFO] cloning repository https://github.com/ball-hayden/rb-sys-repro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ball-hayden/rb-sys-repro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fball-hayden%2Frb-sys-repro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fball-hayden%2Frb-sys-repro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c66226b4daa40fb48dbd2fcd4fd4a0cabcb17488
[INFO] checking ball-hayden/rb-sys-repro against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fball-hayden%2Frb-sys-repro" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ball-hayden/rb-sys-repro 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/ball-hayden/rb-sys-repro
[INFO] finished tweaking git repo https://github.com/ball-hayden/rb-sys-repro
[INFO] tweaked toml for git repo https://github.com/ball-hayden/rb-sys-repro written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ball-hayden/rb-sys-repro 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 rb-sys-env v0.1.2
[INFO] [stderr]   Downloaded magnus-macros v0.6.0
[INFO] [stderr]   Downloaded rb-sys v0.9.82
[INFO] [stderr]   Downloaded rb-sys-build v0.9.82
[INFO] [stderr]   Downloaded magnus v0.6.2
[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] ec69128ad8fd5268e898382f6e544c9353ca33339d1703679fdd481a579054c5
[INFO] running `Command { std: "docker" "start" "-a" "ec69128ad8fd5268e898382f6e544c9353ca33339d1703679fdd481a579054c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec69128ad8fd5268e898382f6e544c9353ca33339d1703679fdd481a579054c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec69128ad8fd5268e898382f6e544c9353ca33339d1703679fdd481a579054c5", kill_on_drop: false }`
[INFO] [stdout] ec69128ad8fd5268e898382f6e544c9353ca33339d1703679fdd481a579054c5
[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] 6b545e1e0334673c946b9fe3355a6277e0369fe9c4392da75927e80b66c58e14
[INFO] running `Command { std: "docker" "start" "-a" "6b545e1e0334673c946b9fe3355a6277e0369fe9c4392da75927e80b66c58e14", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.68
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling bindgen v0.66.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling shlex v1.2.0
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling rb-sys-env v0.1.2
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]    Compiling aho-corasick v1.1.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling magnus v0.6.2
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling regex-automata v0.3.9
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.9.6
[INFO] [stderr]    Compiling magnus-macros v0.6.0
[INFO] [stderr]    Compiling rb-sys-build v0.9.82
[INFO] [stderr]    Compiling rb-sys v0.9.82
[INFO] [stderr]     Checking rb_sys_repro v0.1.0 (/opt/rustwide/workdir/ext/rb_sys_repro)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.63s
[INFO] running `Command { std: "docker" "inspect" "6b545e1e0334673c946b9fe3355a6277e0369fe9c4392da75927e80b66c58e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b545e1e0334673c946b9fe3355a6277e0369fe9c4392da75927e80b66c58e14", kill_on_drop: false }`
[INFO] [stdout] 6b545e1e0334673c946b9fe3355a6277e0369fe9c4392da75927e80b66c58e14
[INFO] checking ball-hayden/rb-sys-repro against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fball-hayden%2Frb-sys-repro" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ball-hayden/rb-sys-repro 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/ball-hayden/rb-sys-repro
[INFO] finished tweaking git repo https://github.com/ball-hayden/rb-sys-repro
[INFO] tweaked toml for git repo https://github.com/ball-hayden/rb-sys-repro written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ball-hayden/rb-sys-repro 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] a89b80531a964c13b67f9c86c5c63c4a745dd7bc784013a0bbeddddbdaa218d5
[INFO] running `Command { std: "docker" "start" "-a" "a89b80531a964c13b67f9c86c5c63c4a745dd7bc784013a0bbeddddbdaa218d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a89b80531a964c13b67f9c86c5c63c4a745dd7bc784013a0bbeddddbdaa218d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a89b80531a964c13b67f9c86c5c63c4a745dd7bc784013a0bbeddddbdaa218d5", kill_on_drop: false }`
[INFO] [stdout] a89b80531a964c13b67f9c86c5c63c4a745dd7bc784013a0bbeddddbdaa218d5
[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] 6b7529718f7b2b558216f693f023dfafb49adcaba07af989e35b936291848dd6
[INFO] running `Command { std: "docker" "start" "-a" "6b7529718f7b2b558216f693f023dfafb49adcaba07af989e35b936291848dd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.68
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling bindgen v0.66.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v1.2.0
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling aho-corasick v1.1.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling rb-sys-env v0.1.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling magnus v0.6.2
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling regex-automata v0.3.9
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.9.6
[INFO] [stderr]    Compiling magnus-macros v0.6.0
[INFO] [stderr]    Compiling rb-sys-build v0.9.82
[INFO] [stderr]    Compiling rb-sys v0.9.82
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/magnus-0.6.2/src/error.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |             unsafe { rb_iter_break_value(val.as_rb_value()) };
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/magnus-0.6.2/src/error.rs:523:13
[INFO] [stdout]     |
[INFO] [stdout] 523 |             unsafe { rb_exc_raise(e.exception().as_rb_value()) }
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot satisfy `_ -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0284.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `magnus` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "6b7529718f7b2b558216f693f023dfafb49adcaba07af989e35b936291848dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b7529718f7b2b558216f693f023dfafb49adcaba07af989e35b936291848dd6", kill_on_drop: false }`
[INFO] [stdout] 6b7529718f7b2b558216f693f023dfafb49adcaba07af989e35b936291848dd6