[INFO] fetching crate flutter_logger 0.4.0...
[INFO] checking flutter_logger-0.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate flutter_logger 0.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate flutter_logger 0.4.0 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 crates.io crate flutter_logger 0.4.0
[INFO] finished tweaking crates.io crate flutter_logger 0.4.0
[INFO] tweaked toml for crates.io crate flutter_logger 0.4.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 73 packages
[INFO] [stderr]       Adding atomic v0.5.3 (latest: v0.6.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded dart-sys v4.1.5
[INFO] [stderr]   Downloaded build-target v0.4.0
[INFO] [stderr]   Downloaded atomic v0.5.3
[INFO] [stderr]   Downloaded flutter_rust_bridge_macros v1.82.6
[INFO] [stderr]   Downloaded allo-isolate v0.1.24
[INFO] [stderr]   Downloaded flutter_rust_bridge v1.82.6
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 371e3b2f315c60ae65fec1bc212a0fb4053e23a18fb11e36d3584f0c97fe8086
[INFO] running `Command { std: "docker" "start" "-a" "371e3b2f315c60ae65fec1bc212a0fb4053e23a18fb11e36d3584f0c97fe8086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "371e3b2f315c60ae65fec1bc212a0fb4053e23a18fb11e36d3584f0c97fe8086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "371e3b2f315c60ae65fec1bc212a0fb4053e23a18fb11e36d3584f0c97fe8086", kill_on_drop: false }`
[INFO] [stdout] 371e3b2f315c60ae65fec1bc212a0fb4053e23a18fb11e36d3584f0c97fe8086
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28544bd23ebaae4a63a3c00e6adee1e73fda55050bbc6931bf68205bfd8971f1
[INFO] running `Command { std: "docker" "start" "-a" "28544bd23ebaae4a63a3c00e6adee1e73fda55050bbc6931bf68205bfd8971f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling dart-sys v4.1.5
[INFO] [stderr]    Compiling build-target v0.4.0
[INFO] [stderr]     Checking atomic v0.5.3
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]    Compiling flutter_rust_bridge_macros v1.82.6
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking allo-isolate v0.1.24
[INFO] [stderr]    Compiling flutter_rust_bridge v1.82.6
[INFO] [stderr]     Checking flutter_logger v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `cell::RefCell`, `panic::catch_unwind`
[INFO] [stdout]  --> src/tests.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cell::RefCell,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 3 |     panic::catch_unwind,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "28544bd23ebaae4a63a3c00e6adee1e73fda55050bbc6931bf68205bfd8971f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28544bd23ebaae4a63a3c00e6adee1e73fda55050bbc6931bf68205bfd8971f1", kill_on_drop: false }`
[INFO] [stdout] 28544bd23ebaae4a63a3c00e6adee1e73fda55050bbc6931bf68205bfd8971f1