[INFO] fetching crate jddf 0.3.3...
[INFO] checking jddf-0.3.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate jddf 0.3.3 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate jddf 0.3.3 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 jddf 0.3.3
[INFO] finished tweaking crates.io crate jddf 0.3.3
[INFO] tweaked toml for crates.io crate jddf 0.3.3 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]      Locking 61 packages
[INFO] [stderr]       Adding ansi_term v0.11.0 (latest: v0.12.1)
[INFO] [stderr]       Adding ctor v0.1.26 (latest: v0.2.7)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding pretty_assertions v0.6.1 (latest: v1.4.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[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 json-pointer v0.3.4
[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] 633edd04bca8090049625d4cac4eec704fe21e7b88599a6fd4c0c065c53ac241
[INFO] running `Command { std: "docker" "start" "-a" "633edd04bca8090049625d4cac4eec704fe21e7b88599a6fd4c0c065c53ac241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "633edd04bca8090049625d4cac4eec704fe21e7b88599a6fd4c0c065c53ac241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "633edd04bca8090049625d4cac4eec704fe21e7b88599a6fd4c0c065c53ac241", kill_on_drop: false }`
[INFO] [stdout] 633edd04bca8090049625d4cac4eec704fe21e7b88599a6fd4c0c065c53ac241
[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] 4d3844fe62cd7968a76306e4e0c249a179f5cc177dbe5aa1f41d53ae76d56ef5
[INFO] running `Command { std: "docker" "start" "-a" "4d3844fe62cd7968a76306e4e0c249a179f5cc177dbe5aa1f41d53ae76d56ef5", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking json-pointer v0.3.4
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking jddf v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Schema` is imported redundantly
[INFO] [stdout]    --> src/validator.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |     use super::*;
[INFO] [stdout]     |         -------- the item `Schema` is already imported here
[INFO] [stdout] 143 |     use crate::schema::Schema;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.02s
[INFO] running `Command { std: "docker" "inspect" "4d3844fe62cd7968a76306e4e0c249a179f5cc177dbe5aa1f41d53ae76d56ef5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d3844fe62cd7968a76306e4e0c249a179f5cc177dbe5aa1f41d53ae76d56ef5", kill_on_drop: false }`
[INFO] [stdout] 4d3844fe62cd7968a76306e4e0c249a179f5cc177dbe5aa1f41d53ae76d56ef5