[INFO] fetching crate peerbook 0.1.11...
[INFO] documenting peerbook-0.1.11 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate peerbook 0.1.11 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate peerbook 0.1.11 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 peerbook 0.1.11
[INFO] finished tweaking crates.io crate peerbook 0.1.11
[INFO] tweaked toml for crates.io crate peerbook 0.1.11 written to /workspace/builds/worker-7-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]     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 tatami v0.1.6
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 11a9e8f2c9365bb45278208de1a5e1e8bbdc86ca072b9b0711e86e35c45e0df7
[INFO] running `Command { std: "docker" "start" "-a" "11a9e8f2c9365bb45278208de1a5e1e8bbdc86ca072b9b0711e86e35c45e0df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11a9e8f2c9365bb45278208de1a5e1e8bbdc86ca072b9b0711e86e35c45e0df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11a9e8f2c9365bb45278208de1a5e1e8bbdc86ca072b9b0711e86e35c45e0df7", kill_on_drop: false }`
[INFO] [stdout] 11a9e8f2c9365bb45278208de1a5e1e8bbdc86ca072b9b0711e86e35c45e0df7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 18f5c0beb08dd1d77e815a9408e9a4d1b9ccf4dbfbf33177de950f931a3e69d0
[INFO] running `Command { std: "docker" "start" "-a" "18f5c0beb08dd1d77e815a9408e9a4d1b9ccf4dbfbf33177de950f931a3e69d0", kill_on_drop: false }`
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[INFO] [stderr]    Compiling libp2p-noise v0.40.0
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[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking rtnetlink v0.10.1
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[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.39
[INFO] [stderr]     Checking if-watch v2.0.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking multiaddr v0.14.0
[INFO] [stderr]     Checking serde_json v1.0.111
[INFO] [stderr]     Checking confy v0.5.1
[INFO] [stderr]     Checking trust-dns-resolver v0.22.0
[INFO] [stderr]     Checking libp2p-swarm v0.40.1
[INFO] [stderr]     Checking libp2p-deflate v0.37.0
[INFO] [stderr]     Checking libp2p-mplex v0.37.0
[INFO] [stderr]     Checking libp2p-yamux v0.41.1
[INFO] [stderr]     Checking libp2p-wasm-ext v0.37.0
[INFO] [stderr]     Checking libp2p-uds v0.36.0
[INFO] [stderr]     Checking libp2p-dns v0.37.0
[INFO] [stderr]     Checking libp2p-tcp v0.37.0
[INFO] [stderr]     Checking libp2p-websocket v0.39.0
[INFO] [stderr]     Checking libp2p-request-response v0.22.1
[INFO] [stderr]     Checking libp2p-mdns v0.41.0
[INFO] [stderr]     Checking libp2p-ping v0.40.1
[INFO] [stderr]     Checking libp2p v0.49.0
[INFO] [stderr]     Checking tatami v0.1.6
[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/tatami-0.1.6/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(trivial_bounds)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/tatami-0.1.6/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tatami` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "18f5c0beb08dd1d77e815a9408e9a4d1b9ccf4dbfbf33177de950f931a3e69d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18f5c0beb08dd1d77e815a9408e9a4d1b9ccf4dbfbf33177de950f931a3e69d0", kill_on_drop: false }`
[INFO] [stdout] 18f5c0beb08dd1d77e815a9408e9a4d1b9ccf4dbfbf33177de950f931a3e69d0
