[INFO] fetching crate htm_md 0.1.0...
[INFO] testing htm_md-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate htm_md 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate htm_md 0.1.0
[INFO] finished tweaking crates.io crate htm_md 0.1.0
[INFO] tweaked toml for crates.io crate htm_md 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate htm_md 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 106 packages to latest compatible versions
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded cfg_aliases v0.1.1
[INFO] [stderr]   Downloaded static_init_macro v1.0.4
[INFO] [stderr]   Downloaded md_htm v0.1.0
[INFO] [stderr]   Downloaded aok v0.1.17
[INFO] [stderr]   Downloaded loginit v0.1.18
[INFO] [stderr]   Downloaded rany v0.1.13
[INFO] [stderr]   Downloaded markup5ever v0.12.1
[INFO] [stderr]   Downloaded unicode-id v0.3.6
[INFO] [stderr]   Downloaded pastey v0.1.1
[INFO] [stderr]   Downloaded xml5ever v0.18.1
[INFO] [stderr]   Downloaded daachorse v1.0.0
[INFO] [stderr]   Downloaded htmlize v1.0.6
[INFO] [stderr]   Downloaded mdka v1.5.4
[INFO] [stderr]   Downloaded static_init v1.0.4
[INFO] [stderr]   Downloaded html5ever v0.27.0
[INFO] [stderr]   Downloaded markup5ever_rcdom v0.3.0
[INFO] [stderr]   Downloaded matchgen v0.3.1
[INFO] [stderr]   Downloaded markdown v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1ca4e2973b029a201bdb0544eec0448d8542145c114a27c8f645da65b7b978ea
[INFO] running `Command { std: "docker" "start" "-a" "1ca4e2973b029a201bdb0544eec0448d8542145c114a27c8f645da65b7b978ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ca4e2973b029a201bdb0544eec0448d8542145c114a27c8f645da65b7b978ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ca4e2973b029a201bdb0544eec0448d8542145c114a27c8f645da65b7b978ea", kill_on_drop: false }`
[INFO] [stdout] 1ca4e2973b029a201bdb0544eec0448d8542145c114a27c8f645da65b7b978ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6a582f6b70064b53dc494bf30cbeef6b33dd5ba84f1542f710d9866328f4612e
[INFO] running `Command { std: "docker" "start" "-a" "6a582f6b70064b53dc494bf30cbeef6b33dd5ba84f1542f710d9866328f4612e", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling futf v0.1.5
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling tendril v0.4.3
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling static_init_macro v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matchgen v0.3.1
[INFO] [stderr]    Compiling static_init v1.0.4
[INFO] [stderr]    Compiling pastey v0.1.1
[INFO] [stderr]    Compiling markup5ever v0.12.1
[INFO] [stderr]    Compiling mdka v1.5.4
[INFO] [stderr]    Compiling unicode-id v0.3.6
[INFO] [stderr]    Compiling daachorse v1.0.0
[INFO] [stderr]    Compiling markdown v1.0.0
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling string_cache v0.8.9
[INFO] [stderr]    Compiling xml5ever v0.18.1
[INFO] [stderr]    Compiling htmlize v1.0.6
[INFO] [stderr]    Compiling html5ever v0.27.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling rany v0.1.13
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rany-0.1.13/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(doc_cfg)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rany` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6a582f6b70064b53dc494bf30cbeef6b33dd5ba84f1542f710d9866328f4612e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a582f6b70064b53dc494bf30cbeef6b33dd5ba84f1542f710d9866328f4612e", kill_on_drop: false }`
[INFO] [stdout] 6a582f6b70064b53dc494bf30cbeef6b33dd5ba84f1542f710d9866328f4612e
