[INFO] fetching crate wasmbuild 0.0.3...
[INFO] checking wasmbuild-0.0.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate wasmbuild 0.0.3 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate wasmbuild 0.0.3 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 wasmbuild 0.0.3
[INFO] finished tweaking crates.io crate wasmbuild 0.0.3
[INFO] tweaked toml for crates.io crate wasmbuild 0.0.3 written to /workspace/builds/worker-2-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 14 packages
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasm-bindgen v0.2.81 (latest: v0.2.92)
[INFO] [stderr]       Adding wasm-bindgen-backend v0.2.81 (latest: v0.2.92)
[INFO] [stderr]       Adding wasm-bindgen-macro v0.2.81 (latest: v0.2.92)
[INFO] [stderr]       Adding wasm-bindgen-macro-support v0.2.81 (latest: v0.2.92)
[INFO] [stderr]       Adding wasm-bindgen-shared v0.2.81 (latest: v0.2.92)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] cdfa34141158d2f92225d71d79c825bc4074ac097b312ef3d7ebb69509824cb5
[INFO] running `Command { std: "docker" "start" "-a" "cdfa34141158d2f92225d71d79c825bc4074ac097b312ef3d7ebb69509824cb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdfa34141158d2f92225d71d79c825bc4074ac097b312ef3d7ebb69509824cb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdfa34141158d2f92225d71d79c825bc4074ac097b312ef3d7ebb69509824cb5", kill_on_drop: false }`
[INFO] [stdout] cdfa34141158d2f92225d71d79c825bc4074ac097b312ef3d7ebb69509824cb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 75bb33b4a63ef60a3abc6678e404394b84266fdd94d7e33ea726a7245d3a3b33
[INFO] running `Command { std: "docker" "start" "-a" "75bb33b4a63ef60a3abc6678e404394b84266fdd94d7e33ea726a7245d3a3b33", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.81
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling wasm-bindgen v0.2.81
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.81
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.81
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.81
[INFO] [stderr]     Checking wasmbuild v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.54s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.81
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] running `Command { std: "docker" "inspect" "75bb33b4a63ef60a3abc6678e404394b84266fdd94d7e33ea726a7245d3a3b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75bb33b4a63ef60a3abc6678e404394b84266fdd94d7e33ea726a7245d3a3b33", kill_on_drop: false }`
[INFO] [stdout] 75bb33b4a63ef60a3abc6678e404394b84266fdd94d7e33ea726a7245d3a3b33
[INFO] checking wasmbuild-0.0.3 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate wasmbuild 0.0.3 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate wasmbuild 0.0.3 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmbuild 0.0.3
[INFO] finished tweaking crates.io crate wasmbuild 0.0.3
[INFO] tweaked toml for crates.io crate wasmbuild 0.0.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38faed7ec6aecff12d8571eb7a53a1e91b7358828bf8d300091e91a9a971a269
[INFO] running `Command { std: "docker" "start" "-a" "38faed7ec6aecff12d8571eb7a53a1e91b7358828bf8d300091e91a9a971a269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38faed7ec6aecff12d8571eb7a53a1e91b7358828bf8d300091e91a9a971a269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38faed7ec6aecff12d8571eb7a53a1e91b7358828bf8d300091e91a9a971a269", kill_on_drop: false }`
[INFO] [stdout] 38faed7ec6aecff12d8571eb7a53a1e91b7358828bf8d300091e91a9a971a269
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 156526ae0dd49992a2f053b9019127a66195d244af42f10f5bac2e8e8d23516d
[INFO] running `Command { std: "docker" "start" "-a" "156526ae0dd49992a2f053b9019127a66195d244af42f10f5bac2e8e8d23516d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.81
[INFO] [stderr]    Compiling wasm-bindgen v0.2.81
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.81
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.81
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.81
[INFO] [stderr]     Checking wasmbuild v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.86s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.81
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] running `Command { std: "docker" "inspect" "156526ae0dd49992a2f053b9019127a66195d244af42f10f5bac2e8e8d23516d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "156526ae0dd49992a2f053b9019127a66195d244af42f10f5bac2e8e8d23516d", kill_on_drop: false }`
[INFO] [stdout] 156526ae0dd49992a2f053b9019127a66195d244af42f10f5bac2e8e8d23516d