[INFO] fetching crate fluentbit 0.1.1...
[INFO] documenting fluentbit-0.1.1 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate fluentbit 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate fluentbit 0.1.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fluentbit 0.1.1
[INFO] finished tweaking crates.io crate fluentbit 0.1.1
[INFO] tweaked toml for crates.io crate fluentbit 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 365cd2b933671e827d2a04cad46736ce49dcb7e25742b803ab9de25f09c2a566
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "365cd2b933671e827d2a04cad46736ce49dcb7e25742b803ab9de25f09c2a566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "365cd2b933671e827d2a04cad46736ce49dcb7e25742b803ab9de25f09c2a566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "365cd2b933671e827d2a04cad46736ce49dcb7e25742b803ab9de25f09c2a566", kill_on_drop: false }`
[INFO] [stdout] 365cd2b933671e827d2a04cad46736ce49dcb7e25742b803ab9de25f09c2a566
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b34dc819c728001f231ff499c4d60622b25998c7f8fc2c172d80e598525f40bf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b34dc819c728001f231ff499c4d60622b25998c7f8fc2c172d80e598525f40bf", kill_on_drop: false }`
[INFO] [stderr]  Documenting fluentbit v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/lib.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |   //! ```
[INFO] [stdout]    |  _____^
[INFO] [stdout] 32 | | //! $ bin/fluent-bit -h
[INFO] [stdout] 33 | | //! Usage: fluent-bit [OPTION]
[INFO] [stdout] 34 | |
[INFO] [stdout] ...  |
[INFO] [stdout] 44 | | //!  ...
[INFO] [stdout] 45 | | //! ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout]    = note: error from rustc: character literal may only contain one codepoint
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 31 | //! ```text
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "b34dc819c728001f231ff499c4d60622b25998c7f8fc2c172d80e598525f40bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b34dc819c728001f231ff499c4d60622b25998c7f8fc2c172d80e598525f40bf", kill_on_drop: false }`
[INFO] [stdout] b34dc819c728001f231ff499c4d60622b25998c7f8fc2c172d80e598525f40bf
