[INFO] fetching crate macroscope 0.1.1...
[INFO] checking macroscope-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate macroscope 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate macroscope 0.1.1 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 macroscope 0.1.1
[INFO] finished tweaking crates.io crate macroscope 0.1.1
[INFO] tweaked toml for crates.io crate macroscope 0.1.1 written to /workspace/builds/worker-1-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 17 packages
[INFO] [stderr]       Adding derive-syn-parse v0.1.5 (latest: v0.2.0)
[INFO] [stderr]       Adding proc-macro-crate v1.3.1 (latest: v3.1.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding toml_edit v0.19.15 (latest: v0.22.9)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.5)
[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 macroscope-macro v0.1.1
[INFO] [stderr]   Downloaded macroscope-utils v0.1.1
[INFO] [stderr]   Downloaded derive-syn-parse v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 21fef4f0f5ab9d24da6837abc09e128b86d8646ca35398dc054ea4def734b625
[INFO] running `Command { std: "docker" "start" "-a" "21fef4f0f5ab9d24da6837abc09e128b86d8646ca35398dc054ea4def734b625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21fef4f0f5ab9d24da6837abc09e128b86d8646ca35398dc054ea4def734b625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21fef4f0f5ab9d24da6837abc09e128b86d8646ca35398dc054ea4def734b625", kill_on_drop: false }`
[INFO] [stdout] 21fef4f0f5ab9d24da6837abc09e128b86d8646ca35398dc054ea4def734b625
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 36cffe4d14eee11184dca35063518093e8064489ac5db5c181dfad3505c5d07d
[INFO] running `Command { std: "docker" "start" "-a" "36cffe4d14eee11184dca35063518093e8064489ac5db5c181dfad3505c5d07d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking winnow v0.5.40
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking proc-macro-crate v1.3.1
[INFO] [stderr]     Checking macroscope-utils v0.1.1
[INFO] [stderr]    Compiling derive-syn-parse v0.1.5
[INFO] [stderr]    Compiling macroscope-macro v0.1.1
[INFO] [stderr]     Checking macroscope v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.76s
[INFO] running `Command { std: "docker" "inspect" "36cffe4d14eee11184dca35063518093e8064489ac5db5c181dfad3505c5d07d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36cffe4d14eee11184dca35063518093e8064489ac5db5c181dfad3505c5d07d", kill_on_drop: false }`
[INFO] [stdout] 36cffe4d14eee11184dca35063518093e8064489ac5db5c181dfad3505c5d07d