[INFO] cloning repository https://github.com/running-grass/idris2-docs-indexer-html
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/running-grass/idris2-docs-indexer-html" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frunning-grass%2Fidris2-docs-indexer-html", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frunning-grass%2Fidris2-docs-indexer-html'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9bbef64e7bbbad33078b95d4fa61f655de876092
[INFO] testing running-grass/idris2-docs-indexer-html against 1.90.0 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frunning-grass%2Fidris2-docs-indexer-html" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/running-grass/idris2-docs-indexer-html
[INFO] finished tweaking git repo https://github.com/running-grass/idris2-docs-indexer-html
[INFO] tweaked toml for git repo https://github.com/running-grass/idris2-docs-indexer-html written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/running-grass/idris2-docs-indexer-html on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/running-grass/idris2-docs-indexer-html 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-tree v0.2.1
[INFO] [stderr]   Downloaded measure_time v0.8.2
[INFO] [stderr]   Downloaded serde_derive v1.0.140
[INFO] [stderr]   Downloaded output_vt100 v0.1.3
[INFO] [stderr]   Downloaded unicode-ident v1.0.2
[INFO] [stderr]   Downloaded string_cache v0.8.4
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.82
[INFO] [stderr]   Downloaded globset v0.4.9
[INFO] [stderr]   Downloaded selectors v0.22.0
[INFO] [stderr]   Downloaded lz4_flex v0.9.4
[INFO] [stderr]   Downloaded html5ever v0.25.2
[INFO] [stderr]   Downloaded rustyline v10.0.0
[INFO] [stderr]   Downloaded cssparser v0.27.2
[INFO] [stderr]   Downloaded pretty_assertions v1.2.1
[INFO] [stderr]   Downloaded memmap2 v0.5.5
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.82
[INFO] [stderr]   Downloaded time v0.3.12
[INFO] [stderr]   Downloaded clap v3.2.16
[INFO] [stderr]   Downloaded nipper v0.1.9
[INFO] [stderr]   Downloaded serde v1.0.140
[INFO] [stderr]   Downloaded clap_derive v3.2.15
[INFO] [stderr]   Downloaded io-lifetimes v0.7.2
[INFO] [stderr]   Downloaded rustix v0.35.7
[INFO] [stderr]   Downloaded fail v0.5.0
[INFO] [stderr]   Downloaded fastfield_codecs v0.2.0
[INFO] [stderr]   Downloaded rustversion v1.0.8
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.10
[INFO] [stderr]   Downloaded tantivy-query-grammar v0.18.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.82
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.82
[INFO] [stderr]   Downloaded markup5ever v0.10.1
[INFO] [stderr]   Downloaded os_str_bytes v6.2.0
[INFO] [stderr]   Downloaded tabular v0.2.0
[INFO] [stderr]   Downloaded bitpacking v0.8.4
[INFO] [stderr]   Downloaded levenshtein_automata v0.2.1
[INFO] [stderr]   Downloaded ctor v0.1.23
[INFO] [stderr]   Downloaded tantivy-common v0.3.0
[INFO] [stderr]   Downloaded js-sys v0.3.59
[INFO] [stderr]   Downloaded proc-macro2 v1.0.42
[INFO] [stderr]   Downloaded phf_macros v0.8.0
[INFO] [stderr]   Downloaded servo_arc v0.1.1
[INFO] [stderr]   Downloaded thin-slice v0.1.1
[INFO] [stderr]   Downloaded fd-lock v3.0.6
[INFO] [stderr]   Downloaded census v0.4.0
[INFO] [stderr]   Downloaded fastdivide v0.4.0
[INFO] [stderr]   Downloaded web-sys v0.3.59
[INFO] [stderr]   Downloaded murmurhash32 v0.2.0
[INFO] [stderr]   Downloaded oneshot v0.1.3
[INFO] [stderr]   Downloaded tantivy-bitpacker v0.2.0
[INFO] [stderr]   Downloaded ownedbytes v0.3.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.0.46
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.82
[INFO] [stderr]   Downloaded tantivy-fst v0.3.0
[INFO] [stderr]   Downloaded rust-stemmers v1.2.0
[INFO] [stderr]   Downloaded tantivy v0.18.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bcea8d94d93ee93e44656e428d0ec8e9d26153c2ffcabc0514370eb77df95e7
[INFO] running `Command { std: "docker" "start" "-a" "7bcea8d94d93ee93e44656e428d0ec8e9d26153c2ffcabc0514370eb77df95e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bcea8d94d93ee93e44656e428d0ec8e9d26153c2ffcabc0514370eb77df95e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bcea8d94d93ee93e44656e428d0ec8e9d26153c2ffcabc0514370eb77df95e7", kill_on_drop: false }`
[INFO] [stdout] 7bcea8d94d93ee93e44656e428d0ec8e9d26153c2ffcabc0514370eb77df95e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d9a97348cad169a03880972c389b29d4484f737b6d591067ca3bf21c9f0e2c3
[INFO] running `Command { std: "docker" "start" "-a" "2d9a97348cad169a03880972c389b29d4484f737b6d591067ca3bf21c9f0e2c3", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling serde_derive v1.0.140
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde v1.0.140
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling tracing-core v0.1.29
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling os_str_bytes v6.2.0
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling tracing-subscriber v0.3.15
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling servo_arc v0.1.1
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling thin-slice v0.1.1
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling either v1.7.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling selectors v0.22.0
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.2
[INFO] [stderr]    Compiling tracing-tree v0.2.1
[INFO] [stderr]    Compiling markup5ever v0.10.1
[INFO] [stderr]    Compiling globset v0.4.9
[INFO] [stderr]    Compiling ignore v0.4.18
[INFO] [stderr]    Compiling globwalk v0.8.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling html5ever v0.25.2
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling clap_derive v3.2.15
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling tracing v0.1.36
[INFO] [stderr]    Compiling clap v3.2.16
[INFO] [stderr]    Compiling string_cache v0.8.4
[INFO] [stderr]    Compiling idris2-docs-typedef v0.1.0 (/opt/rustwide/workdir/typedef)
[INFO] [stderr]    Compiling idris2-docs-searcher v0.1.0 (/opt/rustwide/workdir/searcher)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> searcher/src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(let_else)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `let_else` has been stable since `1.65.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_else` has been stable since 1.65.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> searcher/src/main.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(let_else)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `idris2-docs-searcher` (bin "idris2-docs-searcher") due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2d9a97348cad169a03880972c389b29d4484f737b6d591067ca3bf21c9f0e2c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d9a97348cad169a03880972c389b29d4484f737b6d591067ca3bf21c9f0e2c3", kill_on_drop: false }`
[INFO] [stdout] 2d9a97348cad169a03880972c389b29d4484f737b6d591067ca3bf21c9f0e2c3
