[INFO] cloning repository https://github.com/gjtorikian/changecase_rb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gjtorikian/changecase_rb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgjtorikian%2Fchangecase_rb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgjtorikian%2Fchangecase_rb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b9ac796b0df2c5888cae30b91ae440aa3cdfb4b
[INFO] checking gjtorikian/changecase_rb against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgjtorikian%2Fchangecase_rb" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gjtorikian/changecase_rb 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/gjtorikian/changecase_rb
[INFO] finished tweaking git repo https://github.com/gjtorikian/changecase_rb
[INFO] tweaked toml for git repo https://github.com/gjtorikian/changecase_rb written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gjtorikian/changecase_rb 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 magnus-macros v0.6.0
[INFO] [stderr]   Downloaded rb-sys-build v0.9.82
[INFO] [stderr]   Downloaded rb-sys-env v0.1.2
[INFO] [stderr]   Downloaded bindgen v0.66.1
[INFO] [stderr]   Downloaded magnus v0.6.2
[INFO] [stderr]   Downloaded seq-macro v0.3.5
[INFO] [stderr]   Downloaded rb-sys v0.9.82
[INFO] [stderr]   Downloaded changecase v0.0.7
[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] 0ccd91338d55b043437632d65285e1c9bb973b2d8030858dc5098437d704475b
[INFO] running `Command { std: "docker" "start" "-a" "0ccd91338d55b043437632d65285e1c9bb973b2d8030858dc5098437d704475b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ccd91338d55b043437632d65285e1c9bb973b2d8030858dc5098437d704475b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ccd91338d55b043437632d65285e1c9bb973b2d8030858dc5098437d704475b", kill_on_drop: false }`
[INFO] [stdout] 0ccd91338d55b043437632d65285e1c9bb973b2d8030858dc5098437d704475b
[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] e443009d427b4446618b7b921e843fae46c6e927b0f1cdc48f68c5094d529512
[INFO] running `Command { std: "docker" "start" "-a" "e443009d427b4446618b7b921e843fae46c6e927b0f1cdc48f68c5094d529512", kill_on_drop: false }`
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling bindgen v0.66.1
[INFO] [stderr]    Compiling shlex v1.2.0
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling rb-sys-env v0.1.2
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]     Checking changecase v0.0.7
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling magnus v0.6.2
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.10.2
[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 changecase_rb v0.1.0 (/opt/rustwide/workdir/ext/changecase_rb)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.90s
[INFO] running `Command { std: "docker" "inspect" "e443009d427b4446618b7b921e843fae46c6e927b0f1cdc48f68c5094d529512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e443009d427b4446618b7b921e843fae46c6e927b0f1cdc48f68c5094d529512", kill_on_drop: false }`
[INFO] [stdout] e443009d427b4446618b7b921e843fae46c6e927b0f1cdc48f68c5094d529512
[INFO] checking gjtorikian/changecase_rb against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgjtorikian%2Fchangecase_rb" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gjtorikian/changecase_rb 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/gjtorikian/changecase_rb
[INFO] finished tweaking git repo https://github.com/gjtorikian/changecase_rb
[INFO] tweaked toml for git repo https://github.com/gjtorikian/changecase_rb written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/gjtorikian/changecase_rb 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] 07f5d297a4ec4f706998665845434b74d0a026a47ad457bc353b9449ca63e9c1
[INFO] running `Command { std: "docker" "start" "-a" "07f5d297a4ec4f706998665845434b74d0a026a47ad457bc353b9449ca63e9c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07f5d297a4ec4f706998665845434b74d0a026a47ad457bc353b9449ca63e9c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07f5d297a4ec4f706998665845434b74d0a026a47ad457bc353b9449ca63e9c1", kill_on_drop: false }`
[INFO] [stdout] 07f5d297a4ec4f706998665845434b74d0a026a47ad457bc353b9449ca63e9c1
[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] 716d16470d3362a8bf7b71c9f2883240a9c744939a3dc0c82b7e010d1375e549
[INFO] running `Command { std: "docker" "start" "-a" "716d16470d3362a8bf7b71c9f2883240a9c744939a3dc0c82b7e010d1375e549", kill_on_drop: false }`
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling bindgen v0.66.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v1.2.0
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling rb-sys-env v0.1.2
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking changecase v0.0.7
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling magnus v0.6.2
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling magnus-macros v0.6.0
[INFO] [stderr]    Compiling regex v1.10.2
[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" "716d16470d3362a8bf7b71c9f2883240a9c744939a3dc0c82b7e010d1375e549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "716d16470d3362a8bf7b71c9f2883240a9c744939a3dc0c82b7e010d1375e549", kill_on_drop: false }`
[INFO] [stdout] 716d16470d3362a8bf7b71c9f2883240a9c744939a3dc0c82b7e010d1375e549