[INFO] fetching crate smithy 0.0.7...
[INFO] testing smithy-0.0.7 against 1.75.0 for beta-1.76-1
[INFO] extracting crate smithy 0.0.7 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate smithy 0.0.7 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 smithy 0.0.7
[INFO] finished tweaking crates.io crate smithy 0.0.7
[INFO] tweaked toml for crates.io crate smithy 0.0.7 written to /workspace/builds/worker-4-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 smithy_core v0.0.7
[INFO] [stderr]   Downloaded enum_derive v0.1.7
[INFO] [stderr]   Downloaded smd_macro v0.0.7
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.3.27
[INFO] [stderr]   Downloaded smithy_types v0.0.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 500e074f463783c364322aaadacbc3f007be1707a4b4ce9bba03746edf7bd1c8
[INFO] running `Command { std: "docker" "start" "-a" "500e074f463783c364322aaadacbc3f007be1707a4b4ce9bba03746edf7bd1c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "500e074f463783c364322aaadacbc3f007be1707a4b4ce9bba03746edf7bd1c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "500e074f463783c364322aaadacbc3f007be1707a4b4ce9bba03746edf7bd1c8", kill_on_drop: false }`
[INFO] [stdout] 500e074f463783c364322aaadacbc3f007be1707a4b4ce9bba03746edf7bd1c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 953f95f07bcdf2944435b91d6d6fafc76b7da751fa0db564251d9b9b1ab5c817
[INFO] running `Command { std: "docker" "start" "-a" "953f95f07bcdf2944435b91d6d6fafc76b7da751fa0db564251d9b9b1ab5c817", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.80
[INFO] [stderr]    Compiling bumpalo v3.14.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling wasm-bindgen v0.2.80
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling enum_derive v0.1.7
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.80
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.80
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.80
[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/wasm-bindgen-0.2.80/src/lib.rs:11:42
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![cfg_attr(feature = "nightly", feature(unsize))]
[INFO] [stdout]    |                                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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 `wasm-bindgen` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "953f95f07bcdf2944435b91d6d6fafc76b7da751fa0db564251d9b9b1ab5c817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "953f95f07bcdf2944435b91d6d6fafc76b7da751fa0db564251d9b9b1ab5c817", kill_on_drop: false }`
[INFO] [stdout] 953f95f07bcdf2944435b91d6d6fafc76b7da751fa0db564251d9b9b1ab5c817
