[INFO] fetching crate xwt 0.3.0...
[INFO] checking xwt-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate xwt 0.3.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate xwt 0.3.0 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 xwt 0.3.0
[INFO] finished tweaking crates.io crate xwt 0.3.0
[INFO] tweaked toml for crates.io crate xwt 0.3.0 written to /workspace/builds/worker-5-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 138 packages
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[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 rcgen v0.12.1 (latest: v0.13.1)
[INFO] [stderr]       Adding ring v0.16.20 (latest: v0.17.8)
[INFO] [stderr]       Adding rustls v0.21.10 (latest: v0.23.4)
[INFO] [stderr]       Adding rustls-native-certs v0.6.3 (latest: v0.7.0)
[INFO] [stderr]       Adding rustls-pemfile v1.0.4 (latest: v2.1.1)
[INFO] [stderr]       Adding rustls-webpki v0.101.7 (latest: v0.102.2)
[INFO] [stderr]       Adding spin v0.5.2 (latest: v0.9.8)
[INFO] [stderr]       Adding untrusted v0.7.1 (latest: v0.9.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding web-sys-async-io v0.2.5 (latest: v0.3.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[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] [stderr]       Adding xwt-web-sys v0.3.2 (latest: v0.6.0)
[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 xwt-core v0.2.2
[INFO] [stderr]   Downloaded asn1-rs-derive v0.5.0
[INFO] [stderr]   Downloaded asn1-rs-impl v0.2.0
[INFO] [stderr]   Downloaded oid-registry v0.7.0
[INFO] [stderr]   Downloaded asn1-rs v0.6.1
[INFO] [stderr]   Downloaded web-sys-async-io v0.2.5
[INFO] [stderr]   Downloaded web-sys-stream-utils v0.2.4
[INFO] [stderr]   Downloaded xwt-web-sys v0.3.2
[INFO] [stderr]   Downloaded rcgen v0.12.1
[INFO] [stderr]   Downloaded httlib-huffman v0.3.4
[INFO] [stderr]   Downloaded octets v0.3.0
[INFO] [stderr]   Downloaded wtransport-proto v0.1.12
[INFO] [stderr]   Downloaded der-parser v9.0.0
[INFO] [stderr]   Downloaded x509-parser v0.16.0
[INFO] [stderr]   Downloaded wtransport v0.1.12
[INFO] [stderr]   Downloaded xwt-wtransport v0.2.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d2b375024d18412e53c10be5e6cee958eb7446726dc7b5b692a513408b0d0cc2
[INFO] running `Command { std: "docker" "start" "-a" "d2b375024d18412e53c10be5e6cee958eb7446726dc7b5b692a513408b0d0cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2b375024d18412e53c10be5e6cee958eb7446726dc7b5b692a513408b0d0cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2b375024d18412e53c10be5e6cee958eb7446726dc7b5b692a513408b0d0cc2", kill_on_drop: false }`
[INFO] [stdout] d2b375024d18412e53c10be5e6cee958eb7446726dc7b5b692a513408b0d0cc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4c76197318f45eac1699bce932a8eca3fb5ca64e47569d09ec93e1fc990a46ca
[INFO] running `Command { std: "docker" "start" "-a" "4c76197318f45eac1699bce932a8eca3fb5ca64e47569d09ec93e1fc990a46ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling time-macros v0.2.17
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling rustls v0.21.10
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling displaydoc v0.2.4
[INFO] [stderr]    Compiling asn1-rs-impl v0.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling oid-registry v0.7.0
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]     Checking rustls-native-certs v0.6.3
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking pem v3.0.3
[INFO] [stderr]     Checking octets v0.3.0
[INFO] [stderr]     Checking rustls-pki-types v1.4.1
[INFO] [stderr]     Checking httlib-huffman v0.3.4
[INFO] [stderr]     Checking rustls-pemfile v2.1.1
[INFO] [stderr]    Compiling asn1-rs-derive v0.5.0
[INFO] [stderr]     Checking wtransport-proto v0.1.12
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking rusticata-macros v4.1.0
[INFO] [stderr]     Checking quinn-udp v0.4.1
[INFO] [stderr]     Checking xwt-core v0.2.2
[INFO] [stderr]     Checking asn1-rs v0.6.1
[INFO] [stderr]     Checking yasna v0.5.2
[INFO] [stderr]     Checking der-parser v9.0.0
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking rcgen v0.12.1
[INFO] [stderr]     Checking x509-parser v0.16.0
[INFO] [stderr]     Checking quinn-proto v0.10.6
[INFO] [stderr]     Checking quinn v0.10.2
[INFO] [stderr]     Checking wtransport v0.1.12
[INFO] [stderr]     Checking xwt-wtransport v0.2.8
[INFO] [stderr]     Checking xwt v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.97s
[INFO] running `Command { std: "docker" "inspect" "4c76197318f45eac1699bce932a8eca3fb5ca64e47569d09ec93e1fc990a46ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c76197318f45eac1699bce932a8eca3fb5ca64e47569d09ec93e1fc990a46ca", kill_on_drop: false }`
[INFO] [stdout] 4c76197318f45eac1699bce932a8eca3fb5ca64e47569d09ec93e1fc990a46ca