[INFO] fetching crate pi_mqtt_proxy 0.2.2...
[INFO] documenting pi_mqtt_proxy-0.2.2 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate pi_mqtt_proxy 0.2.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate pi_mqtt_proxy 0.2.2 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_mqtt_proxy 0.2.2
[INFO] finished tweaking crates.io crate pi_mqtt_proxy 0.2.2
[INFO] tweaked toml for crates.io crate pi_mqtt_proxy 0.2.2 written to /workspace/builds/worker-5-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 pi_data_view v0.1.1
[INFO] [stderr]   Downloaded pi_hash v0.1.1
[INFO] [stderr]   Downloaded pi_async_buffer v0.7.0
[INFO] [stderr]   Downloaded mqtt311 v0.2.0
[INFO] [stderr]   Downloaded pi_ext_heap v0.1.0
[INFO] [stderr]   Downloaded pi_slot_deque v0.2.1
[INFO] [stderr]   Downloaded pi_gray v0.1.0
[INFO] [stderr]   Downloaded raw-cpuid v11.0.1
[INFO] [stderr]   Downloaded pi_wrr v0.1.1
[INFO] [stderr]   Downloaded pi_cancel_timer v0.2.0
[INFO] [stderr]   Downloaded spin_sleep v1.2.0
[INFO] [stderr]   Downloaded quanta v0.12.2
[INFO] [stderr]   Downloaded pi-async-rt v0.1.18
[INFO] [stderr]   Downloaded pi_slot_wheel v0.2.0
[INFO] [stderr]   Downloaded pi_slotmap v0.1.15
[INFO] [stderr]   Downloaded pi_ws v0.3.1
[INFO] [stderr]   Downloaded pi_crypto v0.1.0
[INFO] [stderr]   Downloaded derive_more v0.13.0
[INFO] [stderr]   Downloaded pi_bon v0.2.1
[INFO] [stderr]   Downloaded pi_handler v0.1.6
[INFO] [stderr]   Downloaded pi_atom v0.2.4
[INFO] [stderr]   Downloaded pi_hash_value v0.1.0
[INFO] [stderr]   Downloaded pi_timer v0.1.0
[INFO] [stderr]   Downloaded pi_wheel v0.1.0
[INFO] [stderr]   Downloaded pi_key_alloter v0.4.4
[INFO] [stderr]   Downloaded pi_tcp v0.3.2
[INFO] [stderr]   Downloaded pi_mqtt v0.2.1
[INFO] [stderr]   Downloaded pi_blocking_udp v0.2.0
[INFO] [stderr]   Downloaded pi_quic v0.6.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8b87978da7172bd14781e3b0cc5cd9cd3542f14492657d34235413aa97ef930e
[INFO] running `Command { std: "docker" "start" "-a" "8b87978da7172bd14781e3b0cc5cd9cd3542f14492657d34235413aa97ef930e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b87978da7172bd14781e3b0cc5cd9cd3542f14492657d34235413aa97ef930e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b87978da7172bd14781e3b0cc5cd9cd3542f14492657d34235413aa97ef930e", kill_on_drop: false }`
[INFO] [stdout] 8b87978da7172bd14781e3b0cc5cd9cd3542f14492657d34235413aa97ef930e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c0aaf2483936e0af350b0b7b170ca18d4527c5cba094c2ab802fd0f7362a580e
[INFO] running `Command { std: "docker" "start" "-a" "c0aaf2483936e0af350b0b7b170ca18d4527c5cba094c2ab802fd0f7362a580e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking slab v0.4.9
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]     Checking crossbeam-epoch v0.9.17
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.4
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking crossbeam-channel v0.5.10
[INFO] [stderr]     Checking crossbeam-queue v0.3.10
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking pi_ext_heap v0.1.0
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]    Compiling num-bigint v0.4.4
[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_ext_heap-0.1.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(min_specialization)]
[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/pi_ext_heap-0.1.0/src/lib.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | #![feature(inplace_iteration)]
[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/pi_ext_heap-0.1.0/src/lib.rs:146:1
[INFO] [stdout]     |
[INFO] [stdout] 146 | #![feature(trusted_len)]
[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/pi_ext_heap-0.1.0/src/lib.rs:147:1
[INFO] [stdout]     |
[INFO] [stdout] 147 | #![feature(exact_size_is_empty)]
[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/pi_ext_heap-0.1.0/src/lib.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | #![feature(extend_one)]
[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/pi_ext_heap-0.1.0/src/lib.rs:145:12
[INFO] [stdout]     |
[INFO] [stdout] 145 | #![feature(inplace_iteration)]
[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/pi_ext_heap-0.1.0/src/lib.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 | #![feature(trusted_len)]
[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/pi_ext_heap-0.1.0/src/lib.rs:147:12
[INFO] [stdout]     |
[INFO] [stdout] 147 | #![feature(exact_size_is_empty)]
[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/pi_ext_heap-0.1.0/src/lib.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 148 | #![feature(extend_one)]
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking raw-cpuid v11.0.1
[INFO] [stdout] error: aborting due to 9 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 `pi_ext_heap` (lib) due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c0aaf2483936e0af350b0b7b170ca18d4527c5cba094c2ab802fd0f7362a580e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0aaf2483936e0af350b0b7b170ca18d4527c5cba094c2ab802fd0f7362a580e", kill_on_drop: false }`
[INFO] [stdout] c0aaf2483936e0af350b0b7b170ca18d4527c5cba094c2ab802fd0f7362a580e
[INFO] documenting pi_mqtt_proxy-0.2.2 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate pi_mqtt_proxy 0.2.2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate pi_mqtt_proxy 0.2.2 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pi_mqtt_proxy 0.2.2
[INFO] finished tweaking crates.io crate pi_mqtt_proxy 0.2.2
[INFO] tweaked toml for crates.io crate pi_mqtt_proxy 0.2.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 631da6a726703c810478429819a3dfb10a01c4d7cdb48c2ffb581c2f04fe407b
[INFO] running `Command { std: "docker" "start" "-a" "631da6a726703c810478429819a3dfb10a01c4d7cdb48c2ffb581c2f04fe407b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "631da6a726703c810478429819a3dfb10a01c4d7cdb48c2ffb581c2f04fe407b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "631da6a726703c810478429819a3dfb10a01c4d7cdb48c2ffb581c2f04fe407b", kill_on_drop: false }`
[INFO] [stdout] 631da6a726703c810478429819a3dfb10a01c4d7cdb48c2ffb581c2f04fe407b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+beta-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d58be5bff6f7cfb1308dbe56b916a5cd9c30debda6e3e7a331ef44caa64dc6f
[INFO] running `Command { std: "docker" "start" "-a" "3d58be5bff6f7cfb1308dbe56b916a5cd9c30debda6e3e7a331ef44caa64dc6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking slab v0.4.9
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]     Checking crossbeam-epoch v0.9.17
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking crossbeam-deque v0.8.4
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.10
[INFO] [stderr]     Checking crossbeam-queue v0.3.10
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking pi_ext_heap v0.1.0
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pi_ext_heap-0.1.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(min_specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pi_ext_heap-0.1.0/src/lib.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | #![feature(inplace_iteration)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pi_ext_heap-0.1.0/src/lib.rs:146:1
[INFO] [stdout]     |
[INFO] [stdout] 146 | #![feature(trusted_len)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pi_ext_heap-0.1.0/src/lib.rs:147:1
[INFO] [stdout]     |
[INFO] [stdout] 147 | #![feature(exact_size_is_empty)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pi_ext_heap-0.1.0/src/lib.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | #![feature(extend_one)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pi_ext_heap-0.1.0/src/lib.rs:145:12
[INFO] [stdout]     |
[INFO] [stdout] 145 | #![feature(inplace_iteration)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pi_ext_heap-0.1.0/src/lib.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 | #![feature(trusted_len)]
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pi_ext_heap-0.1.0/src/lib.rs:147:12
[INFO] [stdout]     |
[INFO] [stdout] 147 | #![feature(exact_size_is_empty)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pi_ext_heap-0.1.0/src/lib.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 148 | #![feature(extend_one)]
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `EXPAND_BY`, `MERGE_BY`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pi_ext_heap-0.1.0/src/lib.rs:1271:1
[INFO] [stdout]      |
[INFO] [stdout] 1271 | unsafe impl<I> InPlaceIterable for IntoIter<I> {}
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `EXPAND_BY`, `MERGE_BY` in implementation
[INFO] [stdout]      |
[INFO] [stdout]      = help: implement the missing item: `const EXPAND_BY: Option<NonZeroUsize> = value;`
[INFO] [stdout]      = help: implement the missing item: `const MERGE_BY: Option<NonZeroUsize> = value;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking const-oid v0.7.1
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0046, E0554.
[INFO] [stdout] 
[INFO] [stderr]     Checking raw-cpuid v11.0.1
[INFO] [stdout] For more information about an error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pi_ext_heap` (lib) due to 11 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3d58be5bff6f7cfb1308dbe56b916a5cd9c30debda6e3e7a331ef44caa64dc6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d58be5bff6f7cfb1308dbe56b916a5cd9c30debda6e3e7a331ef44caa64dc6f", kill_on_drop: false }`
[INFO] [stdout] 3d58be5bff6f7cfb1308dbe56b916a5cd9c30debda6e3e7a331ef44caa64dc6f
