[INFO] fetching crate pi_res_mgr 0.1.0...
[INFO] documenting pi_res_mgr-0.1.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate pi_res_mgr 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate pi_res_mgr 0.1.0 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 pi_res_mgr 0.1.0
[INFO] finished tweaking crates.io crate pi_res_mgr 0.1.0
[INFO] tweaked toml for crates.io crate pi_res_mgr 0.1.0 written to /workspace/builds/worker-4-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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pi_slot_deque v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] cfea06423414b88cee0c87bae66f8a058de7f8fae2b5cc4e416277cc16e10dc9
[INFO] running `Command { std: "docker" "start" "-a" "cfea06423414b88cee0c87bae66f8a058de7f8fae2b5cc4e416277cc16e10dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfea06423414b88cee0c87bae66f8a058de7f8fae2b5cc4e416277cc16e10dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfea06423414b88cee0c87bae66f8a058de7f8fae2b5cc4e416277cc16e10dc9", kill_on_drop: false }`
[INFO] [stdout] cfea06423414b88cee0c87bae66f8a058de7f8fae2b5cc4e416277cc16e10dc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f6dc9bd8f413a6d7d2756ec2ac8ba2c705cafced32083785e2980b4d35a32aa
[INFO] running `Command { std: "docker" "start" "-a" "8f6dc9bd8f413a6d7d2756ec2ac8ba2c705cafced32083785e2980b4d35a32aa", kill_on_drop: false }`
[INFO] [stderr]     Checking pi_any v0.1.1
[INFO] [stderr]     Checking pi_share v0.1.3
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]     Checking pi_hash v0.1.1
[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-6f17d22bba15001f/pi_share-0.1.3/src/lib.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | #![feature(const_trait_impl)]
[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 `pi_share` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8f6dc9bd8f413a6d7d2756ec2ac8ba2c705cafced32083785e2980b4d35a32aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f6dc9bd8f413a6d7d2756ec2ac8ba2c705cafced32083785e2980b4d35a32aa", kill_on_drop: false }`
[INFO] [stdout] 8f6dc9bd8f413a6d7d2756ec2ac8ba2c705cafced32083785e2980b4d35a32aa
