[INFO] fetching crate lil_http 0.1.2...
[INFO] testing lil_http-0.1.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate lil_http 0.1.2 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate lil_http 0.1.2
[INFO] finished tweaking crates.io crate lil_http 0.1.2
[INFO] tweaked toml for crates.io crate lil_http 0.1.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lil_http 0.1.2 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 crates.io crate lil_http 0.1.2 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]  Downloading crates ...
[INFO] [stderr]   Downloaded async-stream v0.3.3
[INFO] [stderr]   Downloaded parking_lot_core v0.9.5
[INFO] [stderr]   Downloaded serial_test_derive v0.10.0
[INFO] [stderr]   Downloaded serial_test v0.10.0
[INFO] [stderr]   Downloaded async-stream-impl v0.3.3
[INFO] [stderr]   Downloaded openssl-macros v0.1.0
[INFO] [stderr]   Downloaded itoa v1.0.5
[INFO] [stderr]   Downloaded tokio-test v0.4.2
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.33
[INFO] [stderr]   Downloaded fastrand v1.8.0
[INFO] [stderr]   Downloaded tokio-stream v0.1.11
[INFO] [stderr]   Downloaded ipnet v2.7.0
[INFO] [stderr]   Downloaded anyhow v1.0.68
[INFO] [stderr]   Downloaded security-framework v2.7.0
[INFO] [stderr]   Downloaded ryu v1.0.12
[INFO] [stderr]   Downloaded indexmap v1.9.2
[INFO] [stderr]   Downloaded openssl-sys v0.9.80
[INFO] [stderr]   Downloaded schannel v0.1.20
[INFO] [stderr]   Downloaded hyper v0.14.23
[INFO] [stderr]   Downloaded reqwest v0.11.13
[INFO] [stderr]   Downloaded serde_json v1.0.91
[INFO] [stderr]   Downloaded dashmap v5.4.0
[INFO] [stderr]   Downloaded openssl v0.10.45
[INFO] [stderr]   Downloaded bytes v1.3.0
[INFO] [stderr]   Downloaded tokio v1.23.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.36.1
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.36.1
[INFO] [stderr]   Downloaded web-sys v0.3.60
[INFO] [stderr]   Downloaded windows_i686_msvc v0.36.1
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.36.1
[INFO] [stderr]   Downloaded windows_i686_gnu v0.36.1
[INFO] [stderr]   Downloaded windows-sys v0.36.1
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52443c910b11f98bd564955f9b5f49cc0766749447f5224e1e152d0f0cd46775
[INFO] running `Command { std: "docker" "start" "-a" "52443c910b11f98bd564955f9b5f49cc0766749447f5224e1e152d0f0cd46775", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52443c910b11f98bd564955f9b5f49cc0766749447f5224e1e152d0f0cd46775", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52443c910b11f98bd564955f9b5f49cc0766749447f5224e1e152d0f0cd46775", kill_on_drop: false }`
[INFO] [stdout] 52443c910b11f98bd564955f9b5f49cc0766749447f5224e1e152d0f0cd46775
[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=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] 7d0fb3e4a62ebdb7ff85936453e762978fc5a84c2ce8ee4a341715bc7fb3d89b
[INFO] running `Command { std: "docker" "start" "-a" "7d0fb3e4a62ebdb7ff85936453e762978fc5a84c2ce8ee4a341715bc7fb3d89b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling tokio v1.23.0
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling ryu v1.0.12
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling bytes v1.3.0
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.8.5
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling lil_http v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(rustdoc_missing_doc_code_examples)]
[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 `lil_http` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7d0fb3e4a62ebdb7ff85936453e762978fc5a84c2ce8ee4a341715bc7fb3d89b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d0fb3e4a62ebdb7ff85936453e762978fc5a84c2ce8ee4a341715bc7fb3d89b", kill_on_drop: false }`
[INFO] [stdout] 7d0fb3e4a62ebdb7ff85936453e762978fc5a84c2ce8ee4a341715bc7fb3d89b