[INFO] cloning repository https://github.com/yegobox/flutter-plugin-experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yegobox/flutter-plugin-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyegobox%2Fflutter-plugin-experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyegobox%2Fflutter-plugin-experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 139b45f3a94b3910d41702500a4ecc884c74e2d7
[INFO] checking yegobox/flutter-plugin-experiments against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyegobox%2Fflutter-plugin-experiments" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yegobox/flutter-plugin-experiments on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yegobox/flutter-plugin-experiments
[INFO] finished tweaking git repo https://github.com/yegobox/flutter-plugin-experiments
[INFO] tweaked toml for git repo https://github.com/yegobox/flutter-plugin-experiments written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yegobox/flutter-plugin-experiments 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dart-sys v4.1.5
[INFO] [stderr]   Downloaded flutter_rust_bridge_macros v1.82.6
[INFO] [stderr]   Downloaded allo-isolate v0.1.24
[INFO] [stderr]   Downloaded build-target v0.4.0
[INFO] [stderr]   Downloaded flutter_rust_bridge v1.82.6
[INFO] [stderr]   Downloaded windows v0.43.0
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25557ef382956e4fdf0ee93f468ff6107911f559d50e7655a358b033a49ea3b6
[INFO] running `Command { std: "docker" "start" "-a" "25557ef382956e4fdf0ee93f468ff6107911f559d50e7655a358b033a49ea3b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25557ef382956e4fdf0ee93f468ff6107911f559d50e7655a358b033a49ea3b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25557ef382956e4fdf0ee93f468ff6107911f559d50e7655a358b033a49ea3b6", kill_on_drop: false }`
[INFO] [stdout] 25557ef382956e4fdf0ee93f468ff6107911f559d50e7655a358b033a49ea3b6
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5a7907c025d45af2129971c21fc2bdbf4d78f9e899999f036f290bd59401c0e
[INFO] running `Command { std: "docker" "start" "-a" "f5a7907c025d45af2129971c21fc2bdbf4d78f9e899999f036f290bd59401c0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking event-listener v5.2.0
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking async-channel v2.2.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rustix v0.37.27
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling dart-sys v4.1.5
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling build-target v0.4.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling flutter_rust_bridge v1.82.6
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]    Compiling zvariant_utils v1.0.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking xdg-home v1.1.0
[INFO] [stderr]     Checking async-executor v1.8.0
[INFO] [stderr]     Checking async-broadcast v0.5.1
[INFO] [stderr]     Checking ordered-stream v0.2.0
[INFO] [stderr]     Checking atomic v0.5.3
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]    Compiling flutter_rust_bridge_macros v1.82.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling enumflags2_derive v0.7.9
[INFO] [stderr]    Compiling serde_repr v0.1.18
[INFO] [stderr]    Compiling async-recursion v1.1.0
[INFO] [stderr]    Compiling zvariant_derive v3.15.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling zbus_macros v3.15.2
[INFO] [stderr]     Checking allo-isolate v0.1.24
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking blocking v1.5.1
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking enumflags2 v0.7.9
[INFO] [stderr]     Checking zvariant v3.15.2
[INFO] [stderr]     Checking zbus_names v2.6.1
[INFO] [stderr]     Checking zbus v3.15.2
[INFO] [stderr]     Checking notify-rust v4.10.0
[INFO] [stderr]     Checking rust_notification v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 46.60s
[INFO] running `Command { std: "docker" "inspect" "f5a7907c025d45af2129971c21fc2bdbf4d78f9e899999f036f290bd59401c0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5a7907c025d45af2129971c21fc2bdbf4d78f9e899999f036f290bd59401c0e", kill_on_drop: false }`
[INFO] [stdout] f5a7907c025d45af2129971c21fc2bdbf4d78f9e899999f036f290bd59401c0e
[INFO] checking yegobox/flutter-plugin-experiments against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyegobox%2Fflutter-plugin-experiments" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yegobox/flutter-plugin-experiments on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yegobox/flutter-plugin-experiments
[INFO] finished tweaking git repo https://github.com/yegobox/flutter-plugin-experiments
[INFO] tweaked toml for git repo https://github.com/yegobox/flutter-plugin-experiments written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/yegobox/flutter-plugin-experiments 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44984ad7efbe9e47aeb865814057ba7eb1cf585ae61c3108b5eda4fc5c98b41c
[INFO] running `Command { std: "docker" "start" "-a" "44984ad7efbe9e47aeb865814057ba7eb1cf585ae61c3108b5eda4fc5c98b41c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44984ad7efbe9e47aeb865814057ba7eb1cf585ae61c3108b5eda4fc5c98b41c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44984ad7efbe9e47aeb865814057ba7eb1cf585ae61c3108b5eda4fc5c98b41c", kill_on_drop: false }`
[INFO] [stdout] 44984ad7efbe9e47aeb865814057ba7eb1cf585ae61c3108b5eda4fc5c98b41c
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] feb786523c1a4dec86cc36c3887beef7e49f935a5d5b364e7601b161480a25cd
[INFO] running `Command { std: "docker" "start" "-a" "feb786523c1a4dec86cc36c3887beef7e49f935a5d5b364e7601b161480a25cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking event-listener v5.2.0
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking async-channel v2.2.0
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking rustix v0.37.27
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]    Compiling dart-sys v4.1.5
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling build-target v0.4.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling flutter_rust_bridge v1.82.6
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]    Compiling zvariant_utils v1.0.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking xdg-home v1.1.0
[INFO] [stderr]     Checking async-executor v1.8.0
[INFO] [stderr]     Checking async-broadcast v0.5.1
[INFO] [stderr]     Checking ordered-stream v0.2.0
[INFO] [stderr]     Checking atomic v0.5.3
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[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]    Compiling flutter_rust_bridge_macros v1.82.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling enumflags2_derive v0.7.9
[INFO] [stderr]    Compiling async-recursion v1.1.0
[INFO] [stderr]    Compiling serde_repr v0.1.18
[INFO] [stderr]    Compiling zvariant_derive v3.15.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling zbus_macros v3.15.2
[INFO] [stderr]     Checking allo-isolate v0.1.24
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking blocking v1.5.1
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking enumflags2 v0.7.9
[INFO] [stderr]     Checking zvariant v3.15.2
[INFO] [stderr]     Checking zbus_names v2.6.1
[INFO] [stderr]     Checking zbus v3.15.2
[INFO] [stderr]     Checking notify-rust v4.10.0
[INFO] [stderr]     Checking rust_notification v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 48.12s
[INFO] running `Command { std: "docker" "inspect" "feb786523c1a4dec86cc36c3887beef7e49f935a5d5b364e7601b161480a25cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feb786523c1a4dec86cc36c3887beef7e49f935a5d5b364e7601b161480a25cd", kill_on_drop: false }`
[INFO] [stdout] feb786523c1a4dec86cc36c3887beef7e49f935a5d5b364e7601b161480a25cd