[INFO] cloning repository https://github.com/Jezza/txl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jezza/txl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJezza%2Ftxl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJezza%2Ftxl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8408290237792d598bc49ae2990bbc5c636d68e2
[INFO] documenting Jezza/txl 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%2FJezza%2Ftxl" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jezza/txl 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/Jezza/txl
[INFO] finished tweaking git repo https://github.com/Jezza/txl
[INFO] tweaked toml for git repo https://github.com/Jezza/txl written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Jezza/txl 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 7288e2c5917a9c061b6275f4324bf2e6d5c5893e554fdb1347592f44f6ce9916
[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" "7288e2c5917a9c061b6275f4324bf2e6d5c5893e554fdb1347592f44f6ce9916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7288e2c5917a9c061b6275f4324bf2e6d5c5893e554fdb1347592f44f6ce9916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7288e2c5917a9c061b6275f4324bf2e6d5c5893e554fdb1347592f44f6ce9916", kill_on_drop: false }`
[INFO] [stdout] 7288e2c5917a9c061b6275f4324bf2e6d5c5893e554fdb1347592f44f6ce9916
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 49ea6026ec025a2efe30ec8e5cc46d4b563f883b9d54b3891e018f36f3bb11a7
[INFO] running `Command { std: "docker" "start" "-a" "49ea6026ec025a2efe30ec8e5cc46d4b563f883b9d54b3891e018f36f3bb11a7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]     Checking tmux_interface v0.0.5 (https://github.com/Jezza/tmux-interface-rs?branch=dev#437ed1ec)
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking term_size v1.0.0-beta1
[INFO] [stderr]     Checking exec v0.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling structopt-derive v0.3.2
[INFO] [stderr]     Checking structopt v0.3.2
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]  Documenting txl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.66s
[INFO] running `Command { std: "docker" "inspect" "49ea6026ec025a2efe30ec8e5cc46d4b563f883b9d54b3891e018f36f3bb11a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49ea6026ec025a2efe30ec8e5cc46d4b563f883b9d54b3891e018f36f3bb11a7", kill_on_drop: false }`
[INFO] [stdout] 49ea6026ec025a2efe30ec8e5cc46d4b563f883b9d54b3891e018f36f3bb11a7