[INFO] cloning repository https://github.com/rileyhernandez/ethercad-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rileyhernandez/ethercad-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frileyhernandez%2Fethercad-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frileyhernandez%2Fethercad-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e1657278cc3ede07eeb0f3304e3bb4e144981ab8
[INFO] testing rileyhernandez/ethercad-playground against 1.100.0-beta.1 for beta-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frileyhernandez%2Fethercad-playground" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rileyhernandez/ethercad-playground
[INFO] finished tweaking git repo https://github.com/rileyhernandez/ethercad-playground
[INFO] tweaked toml for git repo https://github.com/rileyhernandez/ethercad-playground written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rileyhernandez/ethercad-playground on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rileyhernandez/ethercad-playground 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a9a3928e6a9c0534f5062e83572b8c49807afacc5f9eba4829c7a3835ec27ca5
[INFO] running `Command { std: "docker" "start" "a9a3928e6a9c0534f5062e83572b8c49807afacc5f9eba4829c7a3835ec27ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9a3928e6a9c0534f5062e83572b8c49807afacc5f9eba4829c7a3835ec27ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a9a3928e6a9c0534f5062e83572b8c49807afacc5f9eba4829c7a3835ec27ca5" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9a3928e6a9c0534f5062e83572b8c49807afacc5f9eba4829c7a3835ec27ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a9a3928e6a9c0534f5062e83572b8c49807afacc5f9eba4829c7a3835ec27ca5" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling tokio v1.38.0
[INFO] [stderr]    Compiling env_filter v0.1.0
[INFO] [stderr]    Compiling smlang v0.6.0
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[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling ethercrab-wire-derive v0.1.4
[INFO] [stderr]    Compiling ethercrab-wire v0.1.4
[INFO] [stderr]    Compiling ethercrab v0.4.2
[INFO] [stdout] error[E0277]: the trait bound `!: EtherCrabWireRead` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ethercrab-0.4.2/src/dc.rs:26:10
[INFO] [stdout]     |
[INFO] [stdout]  26 |         .send_receive(client, 0u32)
[INFO] [stdout]     |          ^^^^^^^^^^^^ the trait `EtherCrabWireRead` is not implemented for `!`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `EtherCrabWireRead`:
[INFO] [stdout]               ()
[INFO] [stdout]               (T0, T1)
[INFO] [stdout]               (T0, T1, T2)
[INFO] [stdout]               (T0, T1, T2, T3)
[INFO] [stdout]               (T0, T1, T2, T3, T4)
[INFO] [stdout]               (T0, T1, T2, T3, T4, T5)
[INFO] [stdout]               (T0, T1, T2, T3, T4, T5, T6)
[INFO] [stdout]               (T0, T1, T2, T3, T4, T5, T6, T7)
[INFO] [stdout]             and 78 others
[INFO] [stdout]     = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 <https://github.com/rust-lang/rust/issues/148922> for more information)
[INFO] [stdout]     = help: you might have intended to use the type `()` here instead
[INFO] [stdout] note: required by a bound in `WrappedWrite::send_receive`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ethercrab-0.4.2/src/command/writes.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout]  57 | impl WrappedWrite {
[INFO] [stdout] ...
[INFO] [stdout] 104 |     pub async fn send_receive<'data, 'client, T>(
[INFO] [stdout] ...
[INFO] [stdout] 110 |         T: EtherCrabWireRead,
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ required by this bound in `WrappedWrite::send_receive`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `!: EtherCrabWireRead` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ethercrab-0.4.2/src/eeprom/device_reader.rs:42:14
[INFO] [stdout]     |
[INFO] [stdout]  42 |             .send_receive(self.client, SiiRequest::read(start_word))
[INFO] [stdout]     |              ^^^^^^^^^^^^ the trait `EtherCrabWireRead` is not implemented for `!`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `EtherCrabWireRead`:
[INFO] [stdout]               ()
[INFO] [stdout]               (T0, T1)
[INFO] [stdout]               (T0, T1, T2)
[INFO] [stdout]               (T0, T1, T2, T3)
[INFO] [stdout]               (T0, T1, T2, T3, T4)
[INFO] [stdout]               (T0, T1, T2, T3, T4, T5)
[INFO] [stdout]               (T0, T1, T2, T3, T4, T5, T6)
[INFO] [stdout]               (T0, T1, T2, T3, T4, T5, T6, T7)
[INFO] [stdout]             and 78 others
[INFO] [stdout]     = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 <https://github.com/rust-lang/rust/issues/148922> for more information)
[INFO] [stdout]     = help: you might have intended to use the type `()` here instead
[INFO] [stdout] note: required by a bound in `WrappedWrite::send_receive`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ethercrab-0.4.2/src/command/writes.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout]  57 | impl WrappedWrite {
[INFO] [stdout] ...
[INFO] [stdout] 104 |     pub async fn send_receive<'data, 'client, T>(
[INFO] [stdout] ...
[INFO] [stdout] 110 |         T: EtherCrabWireRead,
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ required by this bound in `WrappedWrite::send_receive`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ethercrab` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a9a3928e6a9c0534f5062e83572b8c49807afacc5f9eba4829c7a3835ec27ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9a3928e6a9c0534f5062e83572b8c49807afacc5f9eba4829c7a3835ec27ca5", kill_on_drop: false }`
[INFO] [stdout] a9a3928e6a9c0534f5062e83572b8c49807afacc5f9eba4829c7a3835ec27ca5