[INFO] cloning repository https://github.com/overviewer/overviewer-ng
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/overviewer/overviewer-ng" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foverviewer%2Foverviewer-ng", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foverviewer%2Foverviewer-ng'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa66426764fd02c0dba06c1c3b26da457860f1f5
[INFO] documenting overviewer/overviewer-ng against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foverviewer%2Foverviewer-ng" "/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/overviewer/overviewer-ng on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/overviewer/overviewer-ng
[INFO] finished tweaking git repo https://github.com/overviewer/overviewer-ng
[INFO] tweaked toml for git repo https://github.com/overviewer/overviewer-ng written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/overviewer/overviewer-ng already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/overviewer/rio`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8318a82b80163ef166b9e0669baba1cb3a9080bfd41ee04fb3f8f3427e696af5
[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" "8318a82b80163ef166b9e0669baba1cb3a9080bfd41ee04fb3f8f3427e696af5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8318a82b80163ef166b9e0669baba1cb3a9080bfd41ee04fb3f8f3427e696af5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8318a82b80163ef166b9e0669baba1cb3a9080bfd41ee04fb3f8f3427e696af5", kill_on_drop: false }`
[INFO] [stdout] 8318a82b80163ef166b9e0669baba1cb3a9080bfd41ee04fb3f8f3427e696af5
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86c2990e08a68c6c23beb6da393ab4db1ef12f45d04dbc5f2b93681120a61163
[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" "86c2990e08a68c6c23beb6da393ab4db1ef12f45d04dbc5f2b93681120a61163", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.6
[INFO] [stderr]     Checking winapi v0.2.5
[INFO] [stderr]    Compiling gcc v0.3.21
[INFO] [stderr]     Checking rustc-serialize v0.3.16
[INFO] [stderr]     Checking inflate v0.1.0
[INFO] [stderr]     Checking lzw v0.9.0
[INFO] [stderr]     Checking glob v0.2.10
[INFO] [stderr]     Checking rio v0.1.2 (https://github.com/overviewer/rio#74e40d20)
[INFO] [stderr]    Compiling kernel32-sys v0.2.1
[INFO] [stderr]    Compiling advapi32-sys v0.1.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/rio-ca2d9c3ed5796b03/74e40d2/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(path_relative_from)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking gif v0.7.0
[INFO] [stderr]     Checking log v0.3.5
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.16/src/serialize.rs:145:45
[INFO] [stdout]     |
[INFO] [stdout] 145 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `relative_from` found for reference `&std::path::Path` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/rio-ca2d9c3ed5796b03/74e40d2/src/native.rs:31:23
[INFO] [stdout]    |
[INFO] [stdout] 31 |         path.as_ref().relative_from(&self.inner).and_then(|p| p.to_str()).map(From::from)
[INFO] [stdout]    |                       ^^^^^^^^^^^^^ method not found in `&std::path::Path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.3.13
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rio`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0642`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "86c2990e08a68c6c23beb6da393ab4db1ef12f45d04dbc5f2b93681120a61163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86c2990e08a68c6c23beb6da393ab4db1ef12f45d04dbc5f2b93681120a61163", kill_on_drop: false }`
[INFO] [stdout] 86c2990e08a68c6c23beb6da393ab4db1ef12f45d04dbc5f2b93681120a61163
