[INFO] cloning repository https://github.com/u7f8au7fbd/json_lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/u7f8au7fbd/json_lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fu7f8au7fbd%2Fjson_lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fu7f8au7fbd%2Fjson_lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06176c13c8cbd4aad4f0c9c7a4fa3650da222544
[INFO] documenting u7f8au7fbd/json_lang against beta-2026-04-21 for beta-1.96-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fu7f8au7fbd%2Fjson_lang" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/u7f8au7fbd/json_lang
[INFO] finished tweaking git repo https://github.com/u7f8au7fbd/json_lang
[INFO] tweaked toml for git repo https://github.com/u7f8au7fbd/json_lang written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/u7f8au7fbd/json_lang on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/u7f8au7fbd/json_lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d8ba8d8a0b1864c3c033bfbfb7caf1e1ea2f8c4a582a9dcbf558c085dec53ab
[INFO] running `Command { std: "docker" "start" "-a" "1d8ba8d8a0b1864c3c033bfbfb7caf1e1ea2f8c4a582a9dcbf558c085dec53ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d8ba8d8a0b1864c3c033bfbfb7caf1e1ea2f8c4a582a9dcbf558c085dec53ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d8ba8d8a0b1864c3c033bfbfb7caf1e1ea2f8c4a582a9dcbf558c085dec53ab", kill_on_drop: false }`
[INFO] [stdout] 1d8ba8d8a0b1864c3c033bfbfb7caf1e1ea2f8c4a582a9dcbf558c085dec53ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86beb9d0a49923505fce3a0fc78077d141387da9bcfe895de4dab02449a0d057
[INFO] running `Command { std: "docker" "start" "-a" "86beb9d0a49923505fce3a0fc78077d141387da9bcfe895de4dab02449a0d057", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling serde_json v1.0.138
[INFO] [stderr]     Checking ryu v1.0.19
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]     Checking indexmap v2.7.1
[INFO] [stderr]  Documenting json_lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.79s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/json_lang/index.html
[INFO] running `Command { std: "docker" "inspect" "86beb9d0a49923505fce3a0fc78077d141387da9bcfe895de4dab02449a0d057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86beb9d0a49923505fce3a0fc78077d141387da9bcfe895de4dab02449a0d057", kill_on_drop: false }`
[INFO] [stdout] 86beb9d0a49923505fce3a0fc78077d141387da9bcfe895de4dab02449a0d057