[INFO] fetching crate nova_middleware 0.0.1...
[INFO] checking nova_middleware-0.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate nova_middleware 0.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate nova_middleware 0.0.1 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 nova_middleware 0.0.1
[INFO] finished tweaking crates.io crate nova_middleware 0.0.1
[INFO] tweaked toml for crates.io crate nova_middleware 0.0.1 written to /workspace/builds/worker-7-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 56 packages
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[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 nova_serde v0.0.1
[INFO] [stderr]   Downloaded nova_core v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2c2e81f6dec23d28a8669c76af587832cfc3d91258c83236111d57bafa000d99
[INFO] running `Command { std: "docker" "start" "-a" "2c2e81f6dec23d28a8669c76af587832cfc3d91258c83236111d57bafa000d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c2e81f6dec23d28a8669c76af587832cfc3d91258c83236111d57bafa000d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c2e81f6dec23d28a8669c76af587832cfc3d91258c83236111d57bafa000d99", kill_on_drop: false }`
[INFO] [stdout] 2c2e81f6dec23d28a8669c76af587832cfc3d91258c83236111d57bafa000d99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 924d101b726e6dafbd67f0107844c1e5bb3ee41c40ee176e9e6b2ae1de750b08
[INFO] running `Command { std: "docker" "start" "-a" "924d101b726e6dafbd67f0107844c1e5bb3ee41c40ee176e9e6b2ae1de750b08", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking xml-rs v0.8.20
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde-xml-rs v0.6.0
[INFO] [stderr]     Checking nova_serde v0.0.1
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking uuid v1.8.0
[INFO] [stderr]     Checking nova_core v0.0.1
[INFO] [stderr]     Checking nova_middleware v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `Command { std: "docker" "inspect" "924d101b726e6dafbd67f0107844c1e5bb3ee41c40ee176e9e6b2ae1de750b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "924d101b726e6dafbd67f0107844c1e5bb3ee41c40ee176e9e6b2ae1de750b08", kill_on_drop: false }`
[INFO] [stdout] 924d101b726e6dafbd67f0107844c1e5bb3ee41c40ee176e9e6b2ae1de750b08
[INFO] checking nova_middleware-0.0.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate nova_middleware 0.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate nova_middleware 0.0.1 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 nova_middleware 0.0.1
[INFO] finished tweaking crates.io crate nova_middleware 0.0.1
[INFO] tweaked toml for crates.io crate nova_middleware 0.0.1 written to /workspace/builds/worker-7-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 70f9765f2125ecee004785605cd6eaceaa6d28c1055b8cb1c4400c407de81b02
[INFO] running `Command { std: "docker" "start" "-a" "70f9765f2125ecee004785605cd6eaceaa6d28c1055b8cb1c4400c407de81b02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70f9765f2125ecee004785605cd6eaceaa6d28c1055b8cb1c4400c407de81b02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70f9765f2125ecee004785605cd6eaceaa6d28c1055b8cb1c4400c407de81b02", kill_on_drop: false }`
[INFO] [stdout] 70f9765f2125ecee004785605cd6eaceaa6d28c1055b8cb1c4400c407de81b02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6a01ff502856925048993a52773624b436fbf88b5a52968e21f7f881e379acb4
[INFO] running `Command { std: "docker" "start" "-a" "6a01ff502856925048993a52773624b436fbf88b5a52968e21f7f881e379acb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking xml-rs v0.8.20
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde-xml-rs v0.6.0
[INFO] [stderr]     Checking nova_serde v0.0.1
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking uuid v1.8.0
[INFO] [stderr]     Checking nova_core v0.0.1
[INFO] [stderr]     Checking nova_middleware v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.87s
[INFO] running `Command { std: "docker" "inspect" "6a01ff502856925048993a52773624b436fbf88b5a52968e21f7f881e379acb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a01ff502856925048993a52773624b436fbf88b5a52968e21f7f881e379acb4", kill_on_drop: false }`
[INFO] [stdout] 6a01ff502856925048993a52773624b436fbf88b5a52968e21f7f881e379acb4