[INFO] fetching crate std-embedded-nal-async 0.1.0...
[INFO] testing std-embedded-nal-async-0.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate std-embedded-nal-async 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate std-embedded-nal-async 0.1.0 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 std-embedded-nal-async 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate std-embedded-nal-async 0.1.0
[INFO] tweaked toml for crates.io crate std-embedded-nal-async 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate std-embedded-nal-async 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded value-bag v1.4.2
[INFO] [stderr]   Downloaded embedded-nal-async v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] fd27b635fed12ba1ffa3771003a035742d7f9e00631a50d8450658518cbce420
[INFO] running `Command { std: "docker" "start" "-a" "fd27b635fed12ba1ffa3771003a035742d7f9e00631a50d8450658518cbce420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd27b635fed12ba1ffa3771003a035742d7f9e00631a50d8450658518cbce420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd27b635fed12ba1ffa3771003a035742d7f9e00631a50d8450658518cbce420", kill_on_drop: false }`
[INFO] [stdout] fd27b635fed12ba1ffa3771003a035742d7f9e00631a50d8450658518cbce420
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3f3fbf3d87d42a8881c463e495afe2cee649d6001c245c1219f10dd842d0c5c
[INFO] running `Command { std: "docker" "start" "-a" "f3f3fbf3d87d42a8881c463e495afe2cee649d6001c245c1219f10dd842d0c5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling parking v2.2.0
[INFO] [stderr]    Compiling waker-fn v1.1.1
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling value-bag v1.4.2
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling rustix v0.37.26
[INFO] [stderr]    Compiling concurrent-queue v2.3.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling async-task v4.5.0
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling piper v0.2.1
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling no-std-net v0.6.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling blocking v1.4.1
[INFO] [stderr]    Compiling async-executor v1.6.0
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling embedded-io v0.6.1
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling embedded-io-async v0.6.0
[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/embedded-io-async-0.6.0/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(async_fn_in_trait, impl_trait_projections)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `impl_trait_projections` has been stable since `1.74.0` and no longer requires an attribute to enable
[INFO] [stdout]    = help: the feature `impl_trait_projections` has been stable since `1.74.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[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] [stderr] error: could not compile `embedded-io-async` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f3f3fbf3d87d42a8881c463e495afe2cee649d6001c245c1219f10dd842d0c5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3f3fbf3d87d42a8881c463e495afe2cee649d6001c245c1219f10dd842d0c5c", kill_on_drop: false }`
[INFO] [stdout] f3f3fbf3d87d42a8881c463e495afe2cee649d6001c245c1219f10dd842d0c5c
[INFO] testing std-embedded-nal-async-0.1.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate std-embedded-nal-async 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate std-embedded-nal-async 0.1.0 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 std-embedded-nal-async 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate std-embedded-nal-async 0.1.0
[INFO] tweaked toml for crates.io crate std-embedded-nal-async 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate std-embedded-nal-async 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-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0d365f04cf907185db33c6afa1e0305d4521b639d530cb1bc0ca15bb714ed036
[INFO] running `Command { std: "docker" "start" "-a" "0d365f04cf907185db33c6afa1e0305d4521b639d530cb1bc0ca15bb714ed036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d365f04cf907185db33c6afa1e0305d4521b639d530cb1bc0ca15bb714ed036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d365f04cf907185db33c6afa1e0305d4521b639d530cb1bc0ca15bb714ed036", kill_on_drop: false }`
[INFO] [stdout] 0d365f04cf907185db33c6afa1e0305d4521b639d530cb1bc0ca15bb714ed036
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 511f9baee4ad3f6ade7f721e7407204ff314321141c280953c4c6f4b0d08d11d
[INFO] running `Command { std: "docker" "start" "-a" "511f9baee4ad3f6ade7f721e7407204ff314321141c280953c4c6f4b0d08d11d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling parking v2.2.0
[INFO] [stderr]    Compiling waker-fn v1.1.1
[INFO] [stderr]    Compiling value-bag v1.4.2
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling concurrent-queue v2.3.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rustix v0.37.26
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling async-task v4.5.0
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling piper v0.2.1
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling blocking v1.4.1
[INFO] [stderr]    Compiling async-executor v1.6.0
[INFO] [stderr]    Compiling no-std-net v0.6.0
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling embedded-io v0.6.1
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling embedded-io-async v0.6.0
[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/embedded-io-async-0.6.0/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(async_fn_in_trait, impl_trait_projections)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `impl_trait_projections` has been stable since `1.74.0` and no longer requires an attribute to enable
[INFO] [stdout]    = help: the feature `impl_trait_projections` has been stable since `1.74.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling embedded-nal v0.7.0
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `embedded-io-async` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "511f9baee4ad3f6ade7f721e7407204ff314321141c280953c4c6f4b0d08d11d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "511f9baee4ad3f6ade7f721e7407204ff314321141c280953c4c6f4b0d08d11d", kill_on_drop: false }`
[INFO] [stdout] 511f9baee4ad3f6ade7f721e7407204ff314321141c280953c4c6f4b0d08d11d
