[INFO] fetching crate wamu-core 0.1.1...
[INFO] testing wamu-core-0.1.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate wamu-core 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate wamu-core 0.1.1 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wamu-core 0.1.1
[INFO] finished tweaking crates.io crate wamu-core 0.1.1
[INFO] tweaked toml for crates.io crate wamu-core 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b23dd8c2652c48496c5db26a2dd7580861e7995c8d9e14fd1b924317c93c7602
[INFO] running `Command { std: "docker" "start" "-a" "b23dd8c2652c48496c5db26a2dd7580861e7995c8d9e14fd1b924317c93c7602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b23dd8c2652c48496c5db26a2dd7580861e7995c8d9e14fd1b924317c93c7602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b23dd8c2652c48496c5db26a2dd7580861e7995c8d9e14fd1b924317c93c7602", kill_on_drop: false }`
[INFO] [stdout] b23dd8c2652c48496c5db26a2dd7580861e7995c8d9e14fd1b924317c93c7602
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2c008e42560467eb1bd472fb6e765197c6b69f10b08f2695aa3d27dba8c749a
[INFO] running `Command { std: "docker" "start" "-a" "a2c008e42560467eb1bd472fb6e765197c6b69f10b08f2695aa3d27dba8c749a", kill_on_drop: false }`
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling base16ct v0.2.0
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ff v0.13.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling zeroize v1.7.0
[INFO] [stderr]    Compiling der v0.7.8
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling crypto-bigint v0.5.5
[INFO] [stderr]    Compiling universal-hash v0.5.1
[INFO] [stderr]    Compiling aead v0.5.2
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling polyval v0.6.1
[INFO] [stderr]    Compiling aes v0.8.3
[INFO] [stderr]    Compiling ctr v0.9.2
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling rfc6979 v0.4.0
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr]    Compiling ghash v0.5.0
[INFO] [stderr]    Compiling spki v0.7.3
[INFO] [stderr]    Compiling sec1 v0.7.3
[INFO] [stderr]    Compiling pkcs8 v0.10.2
[INFO] [stderr]    Compiling aes-gcm v0.10.3
[INFO] [stderr]    Compiling elliptic-curve v0.13.8
[INFO] [stderr]    Compiling ecdsa v0.16.9
[INFO] [stderr]    Compiling k256 v0.13.2
[INFO] [stderr]    Compiling wamu-core v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(doc_cfg)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wamu-core` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a2c008e42560467eb1bd472fb6e765197c6b69f10b08f2695aa3d27dba8c749a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2c008e42560467eb1bd472fb6e765197c6b69f10b08f2695aa3d27dba8c749a", kill_on_drop: false }`
[INFO] [stdout] a2c008e42560467eb1bd472fb6e765197c6b69f10b08f2695aa3d27dba8c749a
