[INFO] fetching crate coap-handler-implementations 0.3.3...
[INFO] documenting coap-handler-implementations-0.3.3 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate coap-handler-implementations 0.3.3 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate coap-handler-implementations 0.3.3 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate coap-handler-implementations 0.3.3
[INFO] finished tweaking crates.io crate coap-handler-implementations 0.3.3
[INFO] tweaked toml for crates.io crate coap-handler-implementations 0.3.3 written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03ed58895f181acdd6386ee5225614e8abd225afd14071ab3220b3b4c76bba5b
[INFO] running `Command { std: "docker" "start" "-a" "03ed58895f181acdd6386ee5225614e8abd225afd14071ab3220b3b4c76bba5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03ed58895f181acdd6386ee5225614e8abd225afd14071ab3220b3b4c76bba5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03ed58895f181acdd6386ee5225614e8abd225afd14071ab3220b3b4c76bba5b", kill_on_drop: false }`
[INFO] [stdout] 03ed58895f181acdd6386ee5225614e8abd225afd14071ab3220b3b4c76bba5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e5b8abb44fcb0b4f4e798e9f3a332bb41ee7a0d1dfbe3664317f6228a355e54
[INFO] running `Command { std: "docker" "start" "-a" "3e5b8abb44fcb0b4f4e798e9f3a332bb41ee7a0d1dfbe3664317f6228a355e54", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking coap-message v0.2.2
[INFO] [stderr]     Checking coap-numbers v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr] error: could not compile `coap-message` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/coap-message-0.2.2/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generic_associated_types)]
[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] running `Command { std: "docker" "inspect" "3e5b8abb44fcb0b4f4e798e9f3a332bb41ee7a0d1dfbe3664317f6228a355e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e5b8abb44fcb0b4f4e798e9f3a332bb41ee7a0d1dfbe3664317f6228a355e54", kill_on_drop: false }`
[INFO] [stdout] 3e5b8abb44fcb0b4f4e798e9f3a332bb41ee7a0d1dfbe3664317f6228a355e54