[INFO] cloning repository https://github.com/JohnDowson/todo-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JohnDowson/todo-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnDowson%2Ftodo-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnDowson%2Ftodo-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5e3b7ecfd2e7be2a6ffaa4df635785dc513e290
[INFO] documenting JohnDowson/todo-rs against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnDowson%2Ftodo-rs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JohnDowson/todo-rs on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JohnDowson/todo-rs
[INFO] finished tweaking git repo https://github.com/JohnDowson/todo-rs
[INFO] tweaked toml for git repo https://github.com/JohnDowson/todo-rs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/JohnDowson/todo-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded intl-memoizer v0.5.0
[INFO] [stderr]   Downloaded dxgi v0.1.7
[INFO] [stderr]   Downloaded piet-web v0.1.0
[INFO] [stderr]   Downloaded fluent-langneg v0.13.0
[INFO] [stderr]   Downloaded direct3d11 v0.1.7
[INFO] [stderr]   Downloaded direct2d v0.2.0
[INFO] [stderr]   Downloaded console_log v0.2.0
[INFO] [stderr]   Downloaded piet v0.1.0
[INFO] [stderr]   Downloaded druid-shell v0.6.0
[INFO] [stderr]   Downloaded piet-common v0.1.1
[INFO] [stderr]   Downloaded unic-langid v0.9.0
[INFO] [stderr]   Downloaded druid-derive v0.3.1
[INFO] [stderr]   Downloaded simple_logger v1.6.0
[INFO] [stderr]   Downloaded druid v0.6.0
[INFO] [stderr]   Downloaded unic-langid-impl v0.9.0
[INFO] [stderr]   Downloaded directwrite v0.1.4
[INFO] [stderr]   Downloaded fluent-bundle v0.12.0
[INFO] [stderr]   Downloaded piet-cairo v0.1.0
[INFO] [stderr]   Downloaded piet-direct2d v0.1.0
[INFO] [stderr]   Downloaded piet-coregraphics v0.1.1
[INFO] [stderr]   Downloaded kurbo v0.6.2
[INFO] [stderr]   Downloaded intl_pluralrules v7.0.0
[INFO] [stderr]   Downloaded nanoserde v0.1.17
[INFO] [stderr]   Downloaded nanoserde-derive v0.1.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6154233d65688e3a92f7ed57101b26c651011f51a14d2afb6c577e4d1cc50f5
[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" "c6154233d65688e3a92f7ed57101b26c651011f51a14d2afb6c577e4d1cc50f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6154233d65688e3a92f7ed57101b26c651011f51a14d2afb6c577e4d1cc50f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6154233d65688e3a92f7ed57101b26c651011f51a14d2afb6c577e4d1cc50f5", kill_on_drop: false }`
[INFO] [stdout] c6154233d65688e3a92f7ed57101b26c651011f51a14d2afb6c577e4d1cc50f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08f143403938f82e6c383311ed2b462897fb3bfce17c7a4390951d7fe4ea1f8c
[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" "08f143403938f82e6c383311ed2b462897fb3bfce17c7a4390951d7fe4ea1f8c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cairo-rs v0.8.1
[INFO] [stderr]    Compiling gio v0.8.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.8.0
[INFO] [stderr]    Compiling pango v0.8.0
[INFO] [stderr]    Compiling atk v0.8.0
[INFO] [stderr]    Compiling gdk v0.12.1
[INFO] [stderr]    Compiling gtk v0.8.1
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]    Compiling nanoserde-derive v0.1.11
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling gio-sys v0.9.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.2
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.1
[INFO] [stderr]    Compiling pango-sys v0.9.1
[INFO] [stderr]    Compiling gdk-sys v0.9.1
[INFO] [stderr]    Compiling atk-sys v0.9.1
[INFO] [stderr]    Compiling gtk-sys v0.9.2
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking unic-langid-impl v0.9.0
[INFO] [stderr]     Checking kurbo v0.6.2
[INFO] [stderr]     Checking simple_logger v1.6.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]    Compiling druid-derive v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking unic-langid v0.9.0
[INFO] [stderr]     Checking intl-memoizer v0.5.0
[INFO] [stderr]     Checking fluent-langneg v0.13.0
[INFO] [stderr]     Checking intl_pluralrules v7.0.0
[INFO] [stderr]     Checking nanoserde v0.1.17
[INFO] [stderr]     Checking piet v0.1.0
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking time v0.2.16
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking glib v0.9.3
[INFO] [stderr]     Checking rental v0.5.5
[INFO] [stderr]     Checking fluent-bundle v0.12.0
[INFO] [stderr]     Checking piet-cairo v0.1.0
[INFO] [stderr]     Checking piet-common v0.1.1
[INFO] [stderr]     Checking druid-shell v0.6.0
[INFO] [stderr]     Checking druid v0.6.0
[INFO] [stderr]  Documenting todo-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 10s
[INFO] running `Command { std: "docker" "inspect" "08f143403938f82e6c383311ed2b462897fb3bfce17c7a4390951d7fe4ea1f8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08f143403938f82e6c383311ed2b462897fb3bfce17c7a4390951d7fe4ea1f8c", kill_on_drop: false }`
[INFO] [stdout] 08f143403938f82e6c383311ed2b462897fb3bfce17c7a4390951d7fe4ea1f8c