[INFO] cloning repository https://github.com/BMeu/rustfuck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BMeu/rustfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBMeu%2Frustfuck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBMeu%2Frustfuck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c832e2ff82011a9ecf375a97db75ad4ae861156
[INFO] documenting BMeu/rustfuck against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBMeu%2Frustfuck" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BMeu/rustfuck 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 git repo https://github.com/BMeu/rustfuck
[INFO] finished tweaking git repo https://github.com/BMeu/rustfuck
[INFO] tweaked toml for git repo https://github.com/BMeu/rustfuck written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/BMeu/rustfuck already has a lockfile, it will not be regenerated
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5b4347e5b7268f4951d0c6eb66677c59c49b712b580abee05edf1232e23d6768
[INFO] running `Command { std: "docker" "start" "-a" "5b4347e5b7268f4951d0c6eb66677c59c49b712b580abee05edf1232e23d6768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b4347e5b7268f4951d0c6eb66677c59c49b712b580abee05edf1232e23d6768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b4347e5b7268f4951d0c6eb66677c59c49b712b580abee05edf1232e23d6768", kill_on_drop: false }`
[INFO] [stdout] 5b4347e5b7268f4951d0c6eb66677c59c49b712b580abee05edf1232e23d6768
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eaaa60b4f7db3a3fc9e86dd33a2bd853ba8258ba2bd177ad0945db6087b1be50
[INFO] running `Command { std: "docker" "start" "-a" "eaaa60b4f7db3a3fc9e86dd33a2bd853ba8258ba2bd177ad0945db6087b1be50", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking rustfuck_lib v0.1.0 (/opt/rustwide/workdir/rustfuck-lib)
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> rustfuck-lib/src/error.rs:40:32
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stdout]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> rustfuck-lib/src/error.rs:36:43
[INFO] [stdout]    |
[INFO] [stdout] 36 |             Error::IO(ref error) => error.description(),
[INFO] [stdout]    |                                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]  Documenting rustfuck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `Command { std: "docker" "inspect" "eaaa60b4f7db3a3fc9e86dd33a2bd853ba8258ba2bd177ad0945db6087b1be50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaaa60b4f7db3a3fc9e86dd33a2bd853ba8258ba2bd177ad0945db6087b1be50", kill_on_drop: false }`
[INFO] [stdout] eaaa60b4f7db3a3fc9e86dd33a2bd853ba8258ba2bd177ad0945db6087b1be50