[INFO] cloning repository https://github.com/museun/shaken
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/museun/shaken" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuseun%2Fshaken", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuseun%2Fshaken'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6bbb6b6aea60d22f87c5c601105959bde5e859d5
[INFO] documenting museun/shaken against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuseun%2Fshaken" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/museun/shaken on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/museun/shaken
[INFO] finished tweaking git repo https://github.com/museun/shaken
[INFO] tweaked toml for git repo https://github.com/museun/shaken written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/museun/shaken already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", 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] eee165409616d7e9523301cfcb3b765767c92158b26b9324f00f825971154c02
[INFO] running `Command { std: "docker" "start" "-a" "eee165409616d7e9523301cfcb3b765767c92158b26b9324f00f825971154c02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eee165409616d7e9523301cfcb3b765767c92158b26b9324f00f825971154c02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eee165409616d7e9523301cfcb3b765767c92158b26b9324f00f825971154c02", kill_on_drop: false }`
[INFO] [stdout] eee165409616d7e9523301cfcb3b765767c92158b26b9324f00f825971154c02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8914cab760c4fb30e530888a9e2a46b2745d36a9795f5a9f4031ccbd9e470aa1
[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" "8914cab760c4fb30e530888a9e2a46b2745d36a9795f5a9f4031ccbd9e470aa1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]     Checking ascii v0.9.1
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]     Checking chunked_transfer v0.3.1
[INFO] [stderr]     Checking ascii v0.8.7
[INFO] [stderr]    Compiling shaken v0.1.0 (/opt/rustwide/workdir/shaken)
[INFO] [stderr]     Checking unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling bincode v1.1.3
[INFO] [stderr]    Compiling libsqlite3-sys v0.13.0
[INFO] [stderr]     Checking qstring v0.6.0
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking directories v1.0.2
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]     Checking tiny_http v0.6.2
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking webpki v0.19.1
[INFO] [stderr]     Checking sct v0.5.0
[INFO] [stderr]     Checking once_cell v0.1.8
[INFO] [stderr]     Checking webpki-roots v0.16.0
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]     Checking ureq v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling inventory-impl v0.1.3
[INFO] [stderr]    Compiling ctor v0.1.8
[INFO] [stderr]    Compiling ghost v0.1.0
[INFO] [stderr]     Checking inventory v0.1.3
[INFO] [stderr]     Checking toml v0.5.0
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking hashbrown v0.2.0
[INFO] [stderr]     Checking rusqlite v0.17.0
[INFO] [stderr]  Documenting dono v0.1.0 (/opt/rustwide/workdir/dono)
[INFO] [stderr]     Checking dono v0.1.0 (/opt/rustwide/workdir/dono)
[INFO] [stderr]  Documenting shaken v0.1.0 (/opt/rustwide/workdir/shaken)
[INFO] [stdout] warning: the item `LevelFilter` is imported redundantly
[INFO] [stdout]    --> shaken/src/util.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 1   | use log::*;
[INFO] [stdout]     |     ------ the item `LevelFilter` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 173 |     use simplelog::LevelFilter;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> shaken/src/template.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |             std::mem::replace(&mut self, this);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> shaken/src/registry.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         std::mem::replace(&mut self.help, Some(help.to_string()));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> shaken/src/registry.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         std::mem::replace(&mut self.namespace, Some(namespace.to_string()));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> shaken/src/modules/twitchpoll.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         std::mem::replace(&mut self.poll, Some(poll));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> shaken/src/modules/twitchpoll.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |         std::mem::replace(&mut self.start, Some(Instant::now()));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting brain v0.1.0 (/opt/rustwide/workdir/brain)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> brain/src/markov.rs:72:10
[INFO] [stdout]    |
[INFO] [stdout] 72 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "8914cab760c4fb30e530888a9e2a46b2745d36a9795f5a9f4031ccbd9e470aa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8914cab760c4fb30e530888a9e2a46b2745d36a9795f5a9f4031ccbd9e470aa1", kill_on_drop: false }`
[INFO] [stdout] 8914cab760c4fb30e530888a9e2a46b2745d36a9795f5a9f4031ccbd9e470aa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] b06090b6bb37990a7fb98fe9cfa197f316a03abd7a51f8eeb4f1f62c875dc9fe
[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" "b06090b6bb37990a7fb98fe9cfa197f316a03abd7a51f8eeb4f1f62c875dc9fe", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "b06090b6bb37990a7fb98fe9cfa197f316a03abd7a51f8eeb4f1f62c875dc9fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b06090b6bb37990a7fb98fe9cfa197f316a03abd7a51f8eeb4f1f62c875dc9fe", kill_on_drop: false }`
[INFO] [stdout] b06090b6bb37990a7fb98fe9cfa197f316a03abd7a51f8eeb4f1f62c875dc9fe