[INFO] cloning repository https://github.com/tckastanek/kcat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tckastanek/kcat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftckastanek%2Fkcat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftckastanek%2Fkcat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d781683cb58ce34771b1a89d0db7385318112ee
[INFO] documenting tckastanek/kcat against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftckastanek%2Fkcat" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tckastanek/kcat on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tckastanek/kcat
[INFO] finished tweaking git repo https://github.com/tckastanek/kcat
[INFO] tweaked toml for git repo https://github.com/tckastanek/kcat written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/tckastanek/kcat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1899b149c76c0b3ce6d7ff5acb32b91aa0e9f87ebd67d845e4a98c0a9d4bf208
[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" "1899b149c76c0b3ce6d7ff5acb32b91aa0e9f87ebd67d845e4a98c0a9d4bf208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1899b149c76c0b3ce6d7ff5acb32b91aa0e9f87ebd67d845e4a98c0a9d4bf208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1899b149c76c0b3ce6d7ff5acb32b91aa0e9f87ebd67d845e4a98c0a9d4bf208", kill_on_drop: false }`
[INFO] [stdout] 1899b149c76c0b3ce6d7ff5acb32b91aa0e9f87ebd67d845e4a98c0a9d4bf208
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 348bb4376e05a2a87fd2ea42708be47c8a72449ceffddcb7bdbf4675d3159584
[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" "348bb4376e05a2a87fd2ea42708be47c8a72449ceffddcb7bdbf4675d3159584", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]     Checking same-file v1.0.2
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]    Compiling onig_sys v68.2.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]     Checking walkdir v2.1.4
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]    Compiling serde_derive_internals v0.22.1
[INFO] [stderr]    Compiling serde_derive v1.0.35
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking onig v4.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking serde_json v1.0.13
[INFO] [stderr]     Checking plist v0.4.2
[INFO] [stderr]     Checking backtrace v0.3.6
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking syntect v3.2.0
[INFO] [stderr]  Documenting kcat v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.12s
[INFO] running `Command { std: "docker" "inspect" "348bb4376e05a2a87fd2ea42708be47c8a72449ceffddcb7bdbf4675d3159584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "348bb4376e05a2a87fd2ea42708be47c8a72449ceffddcb7bdbf4675d3159584", kill_on_drop: false }`
[INFO] [stdout] 348bb4376e05a2a87fd2ea42708be47c8a72449ceffddcb7bdbf4675d3159584