[INFO] fetching crate i2c-multiplexer 0.1.1...
[INFO] testing i2c-multiplexer-0.1.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate i2c-multiplexer 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate i2c-multiplexer 0.1.1 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 i2c-multiplexer 0.1.1
[INFO] finished tweaking crates.io crate i2c-multiplexer 0.1.1
[INFO] tweaked toml for crates.io crate i2c-multiplexer 0.1.1 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 rstest v0.16.0
[INFO] [stderr]   Downloaded embedded-hal-mock v0.9.0
[INFO] [stderr]   Downloaded shared-bus v0.2.5
[INFO] [stderr]   Downloaded embedded-time v0.12.1
[INFO] [stderr]   Downloaded crc-catalog v2.4.0
[INFO] [stderr]   Downloaded rstest_macros v0.16.0
[INFO] [stderr]   Downloaded embedded-io v0.3.1
[INFO] [stderr]   Downloaded embedded-svc v0.22.3
[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] 2b8d47b9bb26bbf176119f6c7b27afed50f5cb7d1d42569c67ccbc797982e461
[INFO] running `Command { std: "docker" "start" "-a" "2b8d47b9bb26bbf176119f6c7b27afed50f5cb7d1d42569c67ccbc797982e461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b8d47b9bb26bbf176119f6c7b27afed50f5cb7d1d42569c67ccbc797982e461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b8d47b9bb26bbf176119f6c7b27afed50f5cb7d1d42569c67ccbc797982e461", kill_on_drop: false }`
[INFO] [stdout] 2b8d47b9bb26bbf176119f6c7b27afed50f5cb7d1d42569c67ccbc797982e461
[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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec610f8424f14cb4e3e5efcd1d3442e2a93c669f13c98414725cdc318c2a499d
[INFO] running `Command { std: "docker" "start" "-a" "ec610f8424f14cb4e3e5efcd1d3442e2a93c669f13c98414725cdc318c2a499d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling winnow v0.5.32
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling embedded-io v0.3.1
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling crc v3.0.1
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]    Compiling enumset_derive v0.8.1
[INFO] [stderr]    Compiling strum_macros v0.23.1
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling strum v0.23.0
[INFO] [stderr]    Compiling num_enum v0.5.11
[INFO] [stderr]    Compiling enumset v1.1.3
[INFO] [stderr]    Compiling no-std-net v0.5.0
[INFO] [stderr]    Compiling embedded-svc v0.22.3
[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-svc-0.22.3/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(cfg_version)]
[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/embedded-svc-0.22.3/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(cfg_target_has_atomic)] // Soon to be stabilized
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 `embedded-svc` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "ec610f8424f14cb4e3e5efcd1d3442e2a93c669f13c98414725cdc318c2a499d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec610f8424f14cb4e3e5efcd1d3442e2a93c669f13c98414725cdc318c2a499d", kill_on_drop: false }`
[INFO] [stdout] ec610f8424f14cb4e3e5efcd1d3442e2a93c669f13c98414725cdc318c2a499d
