[INFO] fetching crate ruby_inflector 0.0.9...
[INFO] building ruby_inflector-0.0.9 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate ruby_inflector 0.0.9 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate ruby_inflector 0.0.9
[INFO] finished tweaking crates.io crate ruby_inflector 0.0.9
[INFO] tweaked toml for crates.io crate ruby_inflector 0.0.9 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ruby_inflector 0.0.9 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a7fa82b86c7e041f9114f2a014114514a6cd5a1e7bbf32b45a7061a9b02fcf8
[INFO] running `Command { std: "docker" "start" "-a" "4a7fa82b86c7e041f9114f2a014114514a6cd5a1e7bbf32b45a7061a9b02fcf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a7fa82b86c7e041f9114f2a014114514a6cd5a1e7bbf32b45a7061a9b02fcf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a7fa82b86c7e041f9114f2a014114514a6cd5a1e7bbf32b45a7061a9b02fcf8", kill_on_drop: false }`
[INFO] [stdout] 4a7fa82b86c7e041f9114f2a014114514a6cd5a1e7bbf32b45a7061a9b02fcf8
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29d0dc0288e86f79673d9a8d93788f1c2a5e779cc194f743c7aec6e8b378d00b
[INFO] running `Command { std: "docker" "start" "-a" "29d0dc0288e86f79673d9a8d93788f1c2a5e779cc194f743c7aec6e8b378d00b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruby_inflector v0.0.9 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]  --> src/lib.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![cfg_attr(feature = "unstable", feature(test))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     warnings,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   = note: `#[deny(unexpected_cfgs)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]    --> src/lib.rs:136:11
[INFO] [stdout]     |
[INFO] [stdout] 136 | #[cfg(all(feature = "unstable", test))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/case/camel.rs:51:11
[INFO] [stdout]    |
[INFO] [stdout] 51 | #[cfg(all(feature = "unstable", test))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/case/snake.rs:41:11
[INFO] [stdout]    |
[INFO] [stdout] 41 | #[cfg(all(feature = "unstable", test))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/case/screaming_snake.rs:38:11
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[cfg(all(feature = "unstable", test))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/case/kebab.rs:36:11
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[cfg(all(feature = "unstable", test))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/case/train.rs:44:11
[INFO] [stdout]    |
[INFO] [stdout] 44 | #[cfg(all(feature = "unstable", test))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/case/sentence.rs:45:11
[INFO] [stdout]    |
[INFO] [stdout] 45 | #[cfg(all(feature = "unstable", test))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/case/title.rs:44:11
[INFO] [stdout]    |
[INFO] [stdout] 44 | #[cfg(all(feature = "unstable", test))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/case/table.rs:41:11
[INFO] [stdout]    |
[INFO] [stdout] 41 | #[cfg(all(feature = "unstable", test))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/case/pascal.rs:49:11
[INFO] [stdout]    |
[INFO] [stdout] 49 | #[cfg(all(feature = "unstable", test))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ruby_inflector` (lib) due to 11 previous errors
[INFO] running `Command { std: "docker" "inspect" "29d0dc0288e86f79673d9a8d93788f1c2a5e779cc194f743c7aec6e8b378d00b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29d0dc0288e86f79673d9a8d93788f1c2a5e779cc194f743c7aec6e8b378d00b", kill_on_drop: false }`
[INFO] [stdout] 29d0dc0288e86f79673d9a8d93788f1c2a5e779cc194f743c7aec6e8b378d00b