[INFO] cloning repository https://github.com/iamguid/flutter_rust_bridge_stream_sync_structs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iamguid/flutter_rust_bridge_stream_sync_structs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamguid%2Fflutter_rust_bridge_stream_sync_structs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamguid%2Fflutter_rust_bridge_stream_sync_structs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22c9dafe147a9cc7fa65b26777058d7ad932db3a
[INFO] checking iamguid/flutter_rust_bridge_stream_sync_structs against master#4457658f68b5c165cd76d24b8147a8f77b9f660e for pr-107620
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamguid%2Fflutter_rust_bridge_stream_sync_structs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iamguid/flutter_rust_bridge_stream_sync_structs on toolchain 4457658f68b5c165cd76d24b8147a8f77b9f660e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4457658f68b5c165cd76d24b8147a8f77b9f660e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iamguid/flutter_rust_bridge_stream_sync_structs
[INFO] finished tweaking git repo https://github.com/iamguid/flutter_rust_bridge_stream_sync_structs
[INFO] tweaked toml for git repo https://github.com/iamguid/flutter_rust_bridge_stream_sync_structs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/iamguid/flutter_rust_bridge_stream_sync_structs 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" "+4457658f68b5c165cd76d24b8147a8f77b9f660e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flutter_rust_bridge v1.9.1
[INFO] [stderr]   Downloaded allo-isolate v0.1.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+4457658f68b5c165cd76d24b8147a8f77b9f660e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52f8fdef86d6a9a1bb9033a551d7282f124fe872e78e267ce13509f8e2749e90
[INFO] running `Command { std: "docker" "start" "-a" "52f8fdef86d6a9a1bb9033a551d7282f124fe872e78e267ce13509f8e2749e90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52f8fdef86d6a9a1bb9033a551d7282f124fe872e78e267ce13509f8e2749e90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52f8fdef86d6a9a1bb9033a551d7282f124fe872e78e267ce13509f8e2749e90", kill_on_drop: false }`
[INFO] [stdout] 52f8fdef86d6a9a1bb9033a551d7282f124fe872e78e267ce13509f8e2749e90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+4457658f68b5c165cd76d24b8147a8f77b9f660e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f22003c9cd9dc366f52a6589c2856715a83162d193f5763dfa5d1b256f1ccf21
[INFO] running `Command { std: "docker" "start" "-a" "f22003c9cd9dc366f52a6589c2856715a83162d193f5763dfa5d1b256f1ccf21", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling atomic v0.5.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking allo-isolate v0.1.12
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking flutter_rust_bridge v1.9.1
[INFO] [stderr]     Checking flutter_rust_bridge_stream_sync_structs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: the method `into_dart` exists for type `u8`, but its trait bounds were not satisfied
[INFO] [stdout]   --> src/bridge_generated.rs:65:27
[INFO] [stdout]    |
[INFO] [stdout] 65 |         vec![self.message.into_dart(), self.stamp.into_dart()].into_dart()
[INFO] [stdout]    |                           ^^^^^^^^^ method cannot be called on `u8` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `u8: Into<DartCObject>`
[INFO] [stdout]            which is required by `u8: IntoDart`
[INFO] [stdout]            `&u8: Into<DartCObject>`
[INFO] [stdout]            which is required by `&u8: IntoDart`
[INFO] [stdout]            `&mut u8: Into<DartCObject>`
[INFO] [stdout]            which is required by `&mut u8: IntoDart`
[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 E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `into_dart` exists for type `u8`, but its trait bounds were not satisfied
[INFO] [stdout]   --> src/bridge_generated.rs:65:27
[INFO] [stdout]    |
[INFO] [stdout] 65 |         vec![self.message.into_dart(), self.stamp.into_dart()].into_dart()
[INFO] [stdout]    |                           ^^^^^^^^^ method cannot be called on `u8` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `u8: Into<DartCObject>`
[INFO] [stdout]            which is required by `u8: IntoDart`
[INFO] [stdout]            `&u8: Into<DartCObject>`
[INFO] [stdout]            which is required by `&u8: IntoDart`
[INFO] [stdout]            `&mut u8: Into<DartCObject>`
[INFO] [stdout]            which is required by `&mut u8: IntoDart`
[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 E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flutter_rust_bridge_stream_sync_structs` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `flutter_rust_bridge_stream_sync_structs` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f22003c9cd9dc366f52a6589c2856715a83162d193f5763dfa5d1b256f1ccf21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f22003c9cd9dc366f52a6589c2856715a83162d193f5763dfa5d1b256f1ccf21", kill_on_drop: false }`
[INFO] [stdout] f22003c9cd9dc366f52a6589c2856715a83162d193f5763dfa5d1b256f1ccf21