[INFO] fetching crate warp-contracts 0.1.3...
[INFO] checking warp-contracts-0.1.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate warp-contracts 0.1.3 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate warp-contracts 0.1.3 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 warp-contracts 0.1.3
[INFO] finished tweaking crates.io crate warp-contracts 0.1.3
[INFO] tweaked toml for crates.io crate warp-contracts 0.1.3 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 23 packages
[INFO] [stderr]       Adding js-sys v0.3.61 (latest: v0.3.69)
[INFO] [stderr]       Adding serde-wasm-bindgen v0.5.0 (latest: v0.6.5)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasm-bindgen v0.2.84 (latest: v0.2.92)
[INFO] [stderr]       Adding wasm-bindgen-backend v0.2.84 (latest: v0.2.92)
[INFO] [stderr]       Adding wasm-bindgen-futures v0.4.34 (latest: v0.4.42)
[INFO] [stderr]       Adding wasm-bindgen-macro v0.2.84 (latest: v0.2.92)
[INFO] [stderr]       Adding wasm-bindgen-macro-support v0.2.84 (latest: v0.2.92)
[INFO] [stderr]       Adding wasm-bindgen-shared v0.2.84 (latest: v0.2.92)
[INFO] [stderr]       Adding web-sys v0.3.61 (latest: v0.3.69)
[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 warp-contracts-macro v0.1.3
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.34
[INFO] [stderr]   Downloaded warp-contracts-core v0.1.3
[INFO] [stderr]   Downloaded web-sys v0.3.61
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d07fe0494e93d9b8fb4e669484abc082dcc666ce96a8f58a848981d040003a74
[INFO] running `Command { std: "docker" "start" "-a" "d07fe0494e93d9b8fb4e669484abc082dcc666ce96a8f58a848981d040003a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d07fe0494e93d9b8fb4e669484abc082dcc666ce96a8f58a848981d040003a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d07fe0494e93d9b8fb4e669484abc082dcc666ce96a8f58a848981d040003a74", kill_on_drop: false }`
[INFO] [stdout] d07fe0494e93d9b8fb4e669484abc082dcc666ce96a8f58a848981d040003a74
[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=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] f9dc054d37f56ca79b652b0294c45f2f51e9b58c82660da443ed44f5026d81d7
[INFO] running `Command { std: "docker" "start" "-a" "f9dc054d37f56ca79b652b0294c45f2f51e9b58c82660da443ed44f5026d81d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.84
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling bumpalo v3.15.4
[INFO] [stderr]    Compiling wasm-bindgen v0.2.84
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.84
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.84
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.84
[INFO] [stderr]     Checking js-sys v0.3.61
[INFO] [stderr]     Checking serde-wasm-bindgen v0.5.0
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.34
[INFO] [stderr]     Checking warp-contracts-core v0.1.3
[INFO] [stderr]    Compiling warp-contracts-macro v0.1.3
[INFO] [stderr]     Checking warp-contracts v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `JsValue` is imported redundantly
[INFO] [stdout]  --> src/js_imports.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ------------------------ the item `JsValue` is already imported here
[INFO] [stdout] 5 | use wasm_bindgen::JsValue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `JsValue` is imported redundantly
[INFO] [stdout]  --> src/js_imports.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ------------------------ the item `JsValue` is already imported here
[INFO] [stdout] 5 | use wasm_bindgen::JsValue;
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.12s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.84
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "f9dc054d37f56ca79b652b0294c45f2f51e9b58c82660da443ed44f5026d81d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9dc054d37f56ca79b652b0294c45f2f51e9b58c82660da443ed44f5026d81d7", kill_on_drop: false }`
[INFO] [stdout] f9dc054d37f56ca79b652b0294c45f2f51e9b58c82660da443ed44f5026d81d7