[INFO] cloning repository https://github.com/xvxx/hare
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xvxx/hare" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxvxx%2Fhare", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxvxx%2Fhare'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c6e17ee9b14ee9a6b42906bc8bc29d0528e79b9e
[INFO] checking xvxx/hare against try#590af02d982816cfb2e4e43f8c54065e816581ce for pr-111505
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxvxx%2Fhare" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xvxx/hare on toolchain 590af02d982816cfb2e4e43f8c54065e816581ce
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+590af02d982816cfb2e4e43f8c54065e816581ce" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xvxx/hare
[INFO] finished tweaking git repo https://github.com/xvxx/hare
[INFO] tweaked toml for git repo https://github.com/xvxx/hare written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/xvxx/hare 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" "+590af02d982816cfb2e4e43f8c54065e816581ce" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+590af02d982816cfb2e4e43f8c54065e816581ce" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ac0d18b2e4d89dc89fc2620933b016dac674a04c26f89a07ec6c9a616682393
[INFO] running `Command { std: "docker" "start" "-a" "7ac0d18b2e4d89dc89fc2620933b016dac674a04c26f89a07ec6c9a616682393", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ac0d18b2e4d89dc89fc2620933b016dac674a04c26f89a07ec6c9a616682393", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ac0d18b2e4d89dc89fc2620933b016dac674a04c26f89a07ec6c9a616682393", kill_on_drop: false }`
[INFO] [stdout] 7ac0d18b2e4d89dc89fc2620933b016dac674a04c26f89a07ec6c9a616682393
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+590af02d982816cfb2e4e43f8c54065e816581ce" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 880ab766b8e17eff7279eb3029ac335cd59e03b69e26076ff48d14c0362b04df
[INFO] running `Command { std: "docker" "start" "-a" "880ab766b8e17eff7279eb3029ac335cd59e03b69e26076ff48d14c0362b04df", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling vial v0.1.9
[INFO] [stderr]     Checking hatter v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking libc-strftime v0.2.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stdout] error: unknown `doc` attribute `Hidden`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/vial-0.1.9/src/request.rs:303:11
[INFO] [stdout]     |
[INFO] [stdout] 303 |     #[doc(Hidden)]
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vial` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "880ab766b8e17eff7279eb3029ac335cd59e03b69e26076ff48d14c0362b04df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "880ab766b8e17eff7279eb3029ac335cd59e03b69e26076ff48d14c0362b04df", kill_on_drop: false }`
[INFO] [stdout] 880ab766b8e17eff7279eb3029ac335cd59e03b69e26076ff48d14c0362b04df