[INFO] fetching crate tokio-ddmw 0.9.4...
[INFO] checking tokio-ddmw-0.9.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate tokio-ddmw 0.9.4 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate tokio-ddmw 0.9.4 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 tokio-ddmw 0.9.4
[INFO] finished tweaking crates.io crate tokio-ddmw 0.9.4
[INFO] tweaked toml for crates.io crate tokio-ddmw 0.9.4 written to /workspace/builds/worker-0-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 blather v0.7.1 (latest: v0.10.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding tokio-util v0.6.10 (latest: v0.7.10)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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] 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 figment v0.10.15
[INFO] [stderr]   Downloaded ddmw-types v0.1.1
[INFO] [stderr]   Downloaded ddmw-util v0.2.0
[INFO] [stderr]   Downloaded blather v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] da70307774c07b1f8fd36fafd69da5886cf0bd4dcb4b32a05824991cc14a5063
[INFO] running `Command { std: "docker" "start" "-a" "da70307774c07b1f8fd36fafd69da5886cf0bd4dcb4b32a05824991cc14a5063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da70307774c07b1f8fd36fafd69da5886cf0bd4dcb4b32a05824991cc14a5063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da70307774c07b1f8fd36fafd69da5886cf0bd4dcb4b32a05824991cc14a5063", kill_on_drop: false }`
[INFO] [stdout] da70307774c07b1f8fd36fafd69da5886cf0bd4dcb4b32a05824991cc14a5063
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] de5ef846bbac25f8fdeea2c2266eb614a514350b9e8ab8d03b855eebcb66c68d
[INFO] running `Command { std: "docker" "start" "-a" "de5ef846bbac25f8fdeea2c2266eb614a514350b9e8ab8d03b855eebcb66c68d", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking winnow v0.6.5
[INFO] [stderr]    Compiling uncased v0.9.10
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling figment v0.10.15
[INFO] [stderr]     Checking ddmw-types v0.1.1
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tokio-util v0.6.10
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking toml_edit v0.22.9
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking blather v0.7.1
[INFO] [stderr]     Checking toml v0.8.12
[INFO] [stderr]     Checking ddmw-util v0.2.0
[INFO] [stderr]     Checking tokio-ddmw v0.9.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.57s
[INFO] running `Command { std: "docker" "inspect" "de5ef846bbac25f8fdeea2c2266eb614a514350b9e8ab8d03b855eebcb66c68d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de5ef846bbac25f8fdeea2c2266eb614a514350b9e8ab8d03b855eebcb66c68d", kill_on_drop: false }`
[INFO] [stdout] de5ef846bbac25f8fdeea2c2266eb614a514350b9e8ab8d03b855eebcb66c68d
[INFO] checking tokio-ddmw-0.9.4 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate tokio-ddmw 0.9.4 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate tokio-ddmw 0.9.4 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 tokio-ddmw 0.9.4
[INFO] finished tweaking crates.io crate tokio-ddmw 0.9.4
[INFO] tweaked toml for crates.io crate tokio-ddmw 0.9.4 written to /workspace/builds/worker-0-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3cfbec14c412d91560c6d2a17b1f15ca4cab38ae7fd1d21ebd96c7b974b065a0
[INFO] running `Command { std: "docker" "start" "-a" "3cfbec14c412d91560c6d2a17b1f15ca4cab38ae7fd1d21ebd96c7b974b065a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cfbec14c412d91560c6d2a17b1f15ca4cab38ae7fd1d21ebd96c7b974b065a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cfbec14c412d91560c6d2a17b1f15ca4cab38ae7fd1d21ebd96c7b974b065a0", kill_on_drop: false }`
[INFO] [stdout] 3cfbec14c412d91560c6d2a17b1f15ca4cab38ae7fd1d21ebd96c7b974b065a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] dfbfc71dcb7e66f0c06a44185a350df5d1da77c96801b8863a4a90faad606ed7
[INFO] running `Command { std: "docker" "start" "-a" "dfbfc71dcb7e66f0c06a44185a350df5d1da77c96801b8863a4a90faad606ed7", kill_on_drop: false }`
[INFO] [stderr]     Checking winnow v0.6.5
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling uncased v0.9.10
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling figment v0.10.15
[INFO] [stderr]     Checking ddmw-types v0.1.1
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking tokio-util v0.6.10
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking toml_edit v0.22.9
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking blather v0.7.1
[INFO] [stderr]     Checking toml v0.8.12
[INFO] [stderr]     Checking ddmw-util v0.2.0
[INFO] [stderr]     Checking tokio-ddmw v0.9.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.78s
[INFO] running `Command { std: "docker" "inspect" "dfbfc71dcb7e66f0c06a44185a350df5d1da77c96801b8863a4a90faad606ed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfbfc71dcb7e66f0c06a44185a350df5d1da77c96801b8863a4a90faad606ed7", kill_on_drop: false }`
[INFO] [stdout] dfbfc71dcb7e66f0c06a44185a350df5d1da77c96801b8863a4a90faad606ed7