[INFO] fetching crate ethercrab 0.1.0...
[INFO] testing ethercrab-0.1.0 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate ethercrab 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate ethercrab 0.1.0 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate ethercrab 0.1.0
[INFO] finished tweaking crates.io crate ethercrab 0.1.0
[INFO] tweaked toml for crates.io crate ethercrab 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate ethercrab 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smlang v0.6.0
[INFO] [stderr]   Downloaded managed v0.8.0
[INFO] [stderr]   Downloaded async-net v1.7.0
[INFO] [stderr]   Downloaded safe-transmute v0.11.2
[INFO] [stderr]   Downloaded async-fs v1.6.0
[INFO] [stderr]   Downloaded smlang-macros v0.6.0
[INFO] [stderr]   Downloaded smol v1.3.0
[INFO] [stderr]   Downloaded ctrlc v3.2.4
[INFO] [stderr]   Downloaded heapless v0.7.16
[INFO] [stderr]   Downloaded async-ctrlc v1.2.0
[INFO] [stderr]   Downloaded defmt v0.3.2
[INFO] [stderr]   Downloaded critical-section v1.1.1
[INFO] [stderr]   Downloaded nom v7.1.2
[INFO] [stderr]   Downloaded pcap v0.11.0
[INFO] [stderr]   Downloaded no-std-net v0.6.0
[INFO] [stderr]   Downloaded pnet_packet v0.31.0
[INFO] [stderr]   Downloaded pnet_sys v0.31.0
[INFO] [stderr]   Downloaded nix v0.26.1
[INFO] [stderr]   Downloaded pnet v0.31.0
[INFO] [stderr]   Downloaded packed_struct_codegen v0.10.1
[INFO] [stderr]   Downloaded pnet_datalink v0.31.0
[INFO] [stderr]   Downloaded pnet_base v0.31.0
[INFO] [stderr]   Downloaded pnet_transport v0.31.0
[INFO] [stderr]   Downloaded defmt-parser v0.3.1
[INFO] [stderr]   Downloaded defmt-macros v0.3.3
[INFO] [stderr]   Downloaded embassy-futures v0.1.0
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.11
[INFO] [stderr]   Downloaded packed_struct v0.10.1
[INFO] [stderr]   Downloaded tui-logger v0.8.1
[INFO] [stderr]   Downloaded pnet_macros v0.31.0
[INFO] [stderr]   Downloaded pnet_macros_support v0.31.0
[INFO] [stderr]   Downloaded smoltcp v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2b2727f797b17bc00fae81c397859762602e93c07e92d895fbf3e1c1c5eef54
[INFO] running `Command { std: "docker" "start" "-a" "d2b2727f797b17bc00fae81c397859762602e93c07e92d895fbf3e1c1c5eef54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2b2727f797b17bc00fae81c397859762602e93c07e92d895fbf3e1c1c5eef54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2b2727f797b17bc00fae81c397859762602e93c07e92d895fbf3e1c1c5eef54", kill_on_drop: false }`
[INFO] [stdout] d2b2727f797b17bc00fae81c397859762602e93c07e92d895fbf3e1c1c5eef54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 844fefaf06d569126b615c06e5ddbb8b0db6d397d2a5e001cdc4678307d1dc36
[INFO] running `Command { std: "docker" "start" "-a" "844fefaf06d569126b615c06e5ddbb8b0db6d397d2a5e001cdc4678307d1dc36", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling polling v2.5.2
[INFO] [stderr]    Compiling no-std-net v0.6.0
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling async-io v1.12.0
[INFO] [stderr]    Compiling pnet_base v0.31.0
[INFO] [stderr]    Compiling async-task v4.3.0
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling pnet_macros_support v0.31.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling concurrent-queue v2.0.0
[INFO] [stderr]    Compiling pnet_sys v0.31.0
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling async-process v1.6.0
[INFO] [stderr]    Compiling async-net v1.7.0
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling async-channel v1.8.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling defmt-macros v0.3.3
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling packed_struct v0.10.1
[INFO] [stderr]    Compiling defmt-parser v0.3.1
[INFO] [stderr]    Compiling pnet v0.31.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling defmt v0.3.2
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]    Compiling spin v0.9.4
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling managed v0.8.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling async-lock v2.6.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling cookie-factory v0.3.2
[INFO] [stderr]    Compiling embassy-futures v0.1.0
[INFO] [stderr]    Compiling safe-transmute v0.11.2
[INFO] [stderr]    Compiling smoltcp v0.8.2
[INFO] [stderr]    Compiling blocking v1.3.0
[INFO] [stderr]    Compiling async-executor v1.5.0
[INFO] [stderr]    Compiling nom v7.1.2
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling regex v1.7.0
[INFO] [stderr]    Compiling smol v1.3.0
[INFO] [stderr]    Compiling ipnetwork v0.19.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pnet_datalink v0.31.0
[INFO] [stderr]    Compiling pnet_macros v0.31.0
[INFO] [stderr]    Compiling smlang-macros v0.6.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.7
[INFO] [stderr]    Compiling packed_struct_codegen v0.10.1
[INFO] [stderr]    Compiling num_enum v0.5.7
[INFO] [stderr]    Compiling smlang v0.6.0
[INFO] [stderr]    Compiling pnet_packet v0.31.0
[INFO] [stderr]    Compiling pnet_transport v0.31.0
[INFO] [stderr]    Compiling ethercrab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(const_maybe_uninit_zeroed)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(pin_macro)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `pin_macro` has been stable since 1.68.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(pin_macro)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ethercrab` (lib) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "844fefaf06d569126b615c06e5ddbb8b0db6d397d2a5e001cdc4678307d1dc36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "844fefaf06d569126b615c06e5ddbb8b0db6d397d2a5e001cdc4678307d1dc36", kill_on_drop: false }`
[INFO] [stdout] 844fefaf06d569126b615c06e5ddbb8b0db6d397d2a5e001cdc4678307d1dc36
