[INFO] cloning repository https://github.com/mgattozzi/meh
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mgattozzi/meh" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgattozzi%2Fmeh", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgattozzi%2Fmeh'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9060226ea599829aaaae0652d4586fc717fe4711
[INFO] documenting mgattozzi/meh against 1.95.0 for beta-1.96-rustdoc-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgattozzi%2Fmeh" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/mgattozzi/meh
[INFO] finished tweaking git repo https://github.com/mgattozzi/meh
[INFO] tweaked toml for git repo https://github.com/mgattozzi/meh written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mgattozzi/meh on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mgattozzi/meh 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.35
[INFO] [stderr]   Downloaded serde v1.0.197
[INFO] [stderr]   Downloaded trybuild v1.0.90
[INFO] [stderr]   Downloaded ryu v1.0.17
[INFO] [stderr]   Downloaded serde_spanned v0.6.5
[INFO] [stderr]   Downloaded proc-macro2 v1.0.79
[INFO] [stderr]   Downloaded indexmap v2.2.6
[INFO] [stderr]   Downloaded serde_json v1.0.115
[INFO] [stderr]   Downloaded hashbrown v0.14.3
[INFO] [stderr]   Downloaded toml_edit v0.22.9
[INFO] [stderr]   Downloaded serde_derive v1.0.197
[INFO] [stderr]   Downloaded toml v0.8.12
[INFO] [stderr]   Downloaded winnow v0.6.5
[INFO] [stderr]   Downloaded syn v2.0.55
[INFO] [stderr]   Downloaded memchr v2.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55784ddbd0b70efe46c508563af9d9c3aa6dae15d213b12efa63d541a3f1e052
[INFO] running `Command { std: "docker" "start" "-a" "55784ddbd0b70efe46c508563af9d9c3aa6dae15d213b12efa63d541a3f1e052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55784ddbd0b70efe46c508563af9d9c3aa6dae15d213b12efa63d541a3f1e052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55784ddbd0b70efe46c508563af9d9c3aa6dae15d213b12efa63d541a3f1e052", kill_on_drop: false }`
[INFO] [stdout] 55784ddbd0b70efe46c508563af9d9c3aa6dae15d213b12efa63d541a3f1e052
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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" "+1.95.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c74e6acee8d63d0310b86b8fee878516438306a0f5f9d3987a2ca56c5ad9b01
[INFO] running `Command { std: "docker" "start" "-a" "7c74e6acee8d63d0310b86b8fee878516438306a0f5f9d3987a2ca56c5ad9b01", kill_on_drop: false }`
[INFO] [stderr]  Documenting meh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait_v2)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `meh`
[INFO] running `Command { std: "docker" "inspect" "7c74e6acee8d63d0310b86b8fee878516438306a0f5f9d3987a2ca56c5ad9b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c74e6acee8d63d0310b86b8fee878516438306a0f5f9d3987a2ca56c5ad9b01", kill_on_drop: false }`
[INFO] [stdout] 7c74e6acee8d63d0310b86b8fee878516438306a0f5f9d3987a2ca56c5ad9b01
