[INFO] fetching crate rustdoc-json 0.4.0...
[INFO] checking rustdoc-json-0.4.0 against master#7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e for pr-102091
[INFO] extracting crate rustdoc-json 0.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rustdoc-json 0.4.0 on toolchain 7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustdoc-json 0.4.0
[INFO] finished tweaking crates.io crate rustdoc-json 0.4.0
[INFO] tweaked toml for crates.io crate rustdoc-json 0.4.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate rustdoc-json 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo_metadata v0.14.2
[INFO] [stderr]   Downloaded camino v1.1.1
[INFO] [stderr]   Downloaded cargo-platform v0.1.2
[INFO] [stderr]   Downloaded semver v1.0.13
[INFO] [stderr]   Downloaded cargo_toml v0.11.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:06bd2dc561ac9b9120e7d8112cca06cd3b1bded0ddb8515a4f6a39439d56c944" "/opt/rustwide/cargo-home/bin/cargo" "+7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6cf23bba0662c9815524317481bb3b1bd7594289f21024651a3b3da222544e1
[INFO] running `Command { std: "docker" "start" "-a" "f6cf23bba0662c9815524317481bb3b1bd7594289f21024651a3b3da222544e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6cf23bba0662c9815524317481bb3b1bd7594289f21024651a3b3da222544e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6cf23bba0662c9815524317481bb3b1bd7594289f21024651a3b3da222544e1", kill_on_drop: false }`
[INFO] [stdout] f6cf23bba0662c9815524317481bb3b1bd7594289f21024651a3b3da222544e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:06bd2dc561ac9b9120e7d8112cca06cd3b1bded0ddb8515a4f6a39439d56c944" "/opt/rustwide/cargo-home/bin/cargo" "+7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2f32b2d46dcdcafefb899d8f2fe50e4e585cbf5b0daf3b5f5b016566686f005
[INFO] running `Command { std: "docker" "start" "-a" "a2f32b2d46dcdcafefb899d8f2fe50e4e585cbf5b0daf3b5f5b016566686f005", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling semver v1.0.13
[INFO] [stderr]    Compiling camino v1.1.1
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]     Checking thiserror v1.0.32
[INFO] [stderr]     Checking cargo-platform v0.1.2
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking cargo_metadata v0.14.2
[INFO] [stderr]     Checking cargo_toml v0.11.5
[INFO] [stderr]     Checking rustdoc-json v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.50s
[INFO] running `Command { std: "docker" "inspect" "a2f32b2d46dcdcafefb899d8f2fe50e4e585cbf5b0daf3b5f5b016566686f005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2f32b2d46dcdcafefb899d8f2fe50e4e585cbf5b0daf3b5f5b016566686f005", kill_on_drop: false }`
[INFO] [stdout] a2f32b2d46dcdcafefb899d8f2fe50e4e585cbf5b0daf3b5f5b016566686f005