[INFO] fetching crate rscanner 0.4.2...
[INFO] checking rscanner-0.4.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate rscanner 0.4.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate rscanner 0.4.2 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 rscanner 0.4.2
[INFO] finished tweaking crates.io crate rscanner 0.4.2
[INFO] tweaked toml for crates.io crate rscanner 0.4.2 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 126 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding hashbrown v0.13.2 (latest: v0.14.3)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding pnet v0.33.0 (latest: v0.34.0)
[INFO] [stderr]       Adding pnet_base v0.33.0 (latest: v0.34.0)
[INFO] [stderr]       Adding pnet_datalink v0.33.0 (latest: v0.34.0)
[INFO] [stderr]       Adding pnet_macros v0.33.0 (latest: v0.34.0)
[INFO] [stderr]       Adding pnet_macros_support v0.33.0 (latest: v0.34.0)
[INFO] [stderr]       Adding pnet_packet v0.33.0 (latest: v0.34.0)
[INFO] [stderr]       Adding pnet_sys v0.33.0 (latest: v0.34.0)
[INFO] [stderr]       Adding pnet_transport v0.33.0 (latest: v0.34.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding rlimit v0.9.1 (latest: v0.10.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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] [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 pnet_sys v0.33.0
[INFO] [stderr]   Downloaded pnet_packet v0.33.0
[INFO] [stderr]   Downloaded ipnetwork v0.20.0
[INFO] [stderr]   Downloaded pnet_datalink v0.33.0
[INFO] [stderr]   Downloaded pnet v0.33.0
[INFO] [stderr]   Downloaded pnet_macros v0.33.0
[INFO] [stderr]   Downloaded no-std-net v0.6.0
[INFO] [stderr]   Downloaded pnet_base v0.33.0
[INFO] [stderr]   Downloaded pnet_macros_support v0.33.0
[INFO] [stderr]   Downloaded pnet_transport v0.33.0
[INFO] [stderr]   Downloaded rlimit v0.9.1
[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] fa708e0e6ac8b3ec5dd8c53fe66797a9a799c5ffb79ef57ab27020798a5d657f
[INFO] running `Command { std: "docker" "start" "-a" "fa708e0e6ac8b3ec5dd8c53fe66797a9a799c5ffb79ef57ab27020798a5d657f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa708e0e6ac8b3ec5dd8c53fe66797a9a799c5ffb79ef57ab27020798a5d657f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa708e0e6ac8b3ec5dd8c53fe66797a9a799c5ffb79ef57ab27020798a5d657f", kill_on_drop: false }`
[INFO] [stdout] fa708e0e6ac8b3ec5dd8c53fe66797a9a799c5ffb79ef57ab27020798a5d657f
[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] 3003732dd023c1dab7b40e22e469a00ac0f0436251247ad49b873ac0a34caa48
[INFO] running `Command { std: "docker" "start" "-a" "3003732dd023c1dab7b40e22e469a00ac0f0436251247ad49b873ac0a34caa48", kill_on_drop: false }`
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling pnet v0.33.0
[INFO] [stderr]     Checking pnet_sys v0.33.0
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling pnet_macros v0.33.0
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking rlimit v0.9.1
[INFO] [stderr]     Checking pnet_base v0.33.0
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]     Checking pnet_macros_support v0.33.0
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking pnet_packet v0.33.0
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking pnet_transport v0.33.0
[INFO] [stderr]     Checking ipnetwork v0.20.0
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking pnet_datalink v0.33.0
[INFO] [stderr]     Checking rscanner v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.80s
[INFO] running `Command { std: "docker" "inspect" "3003732dd023c1dab7b40e22e469a00ac0f0436251247ad49b873ac0a34caa48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3003732dd023c1dab7b40e22e469a00ac0f0436251247ad49b873ac0a34caa48", kill_on_drop: false }`
[INFO] [stdout] 3003732dd023c1dab7b40e22e469a00ac0f0436251247ad49b873ac0a34caa48