[INFO] fetching crate libmussh 1.1.3...
[INFO] documenting libmussh-1.1.3 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate libmussh 1.1.3 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate libmussh 1.1.3 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 crates.io crate libmussh 1.1.3
[INFO] finished tweaking crates.io crate libmussh 1.1.3
[INFO] tweaked toml for crates.io crate libmussh 1.1.3 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wait_group v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] 73346cfed65c77a46c9fc2b825bc458f6c1325813532914e0b8f2d3c169b0d32
[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" "73346cfed65c77a46c9fc2b825bc458f6c1325813532914e0b8f2d3c169b0d32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73346cfed65c77a46c9fc2b825bc458f6c1325813532914e0b8f2d3c169b0d32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73346cfed65c77a46c9fc2b825bc458f6c1325813532914e0b8f2d3c169b0d32", kill_on_drop: false }`
[INFO] [stdout] 73346cfed65c77a46c9fc2b825bc458f6c1325813532914e0b8f2d3c169b0d32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] 05af7c5a4672b18e502fc5e2077b0328053924e61761eb548306b09d282ebee6
[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" "05af7c5a4672b18e502fc5e2077b0328053924e61761eb548306b09d282ebee6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking wait_group v0.1.4
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]     Checking slog-try v0.2.0
[INFO] [stderr]     Checking ssh2 v0.9.1
[INFO] [stderr]  Documenting libmussh v1.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `intra_doc_link_resolution_failure` has been renamed to `rustdoc::broken_intra_doc_links`
[INFO] [stdout]   --> src/lib.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     intra_doc_link_resolution_failure,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::broken_intra_doc_links`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `overlapping_patterns` has been renamed to `overlapping_range_endpoints`
[INFO] [stdout]   --> src/lib.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     overlapping_patterns,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ help: use the new name: `overlapping_range_endpoints`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `safe_packed_borrows` has been renamed to `unaligned_references`
[INFO] [stdout]   --> src/lib.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     safe_packed_borrows,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ help: use the new name: `unaligned_references`
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     renamed_and_removed_lints,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(crate_visibility_modifier, error_iter)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `libmussh`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name libmussh src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-6046d8ef431e5dbf.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-01af48c578314a61.rmeta --extern getset=/opt/rustwide/target/debug/deps/libgetset-217fa886d5b907b3.so --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-bb2d0fec3a2425f4.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1b16f10be363c169.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-6a5809dcce96c926.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-a66a1fdf9c467eb8.so --extern slog=/opt/rustwide/target/debug/deps/libslog-8ab49b42997f8c2d.rmeta --extern slog_try=/opt/rustwide/target/debug/deps/libslog_try-9a8db56684f59537.rmeta --extern ssh2=/opt/rustwide/target/debug/deps/libssh2-bbc08da57df7b3bf.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-9252ccb80ede1acc.rmeta --extern wait_group=/opt/rustwide/target/debug/deps/libwait_group-672844b46cf1fd11.rmeta --cap-lints=warn --crate-version 1.1.3` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "05af7c5a4672b18e502fc5e2077b0328053924e61761eb548306b09d282ebee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05af7c5a4672b18e502fc5e2077b0328053924e61761eb548306b09d282ebee6", kill_on_drop: false }`
[INFO] [stdout] 05af7c5a4672b18e502fc5e2077b0328053924e61761eb548306b09d282ebee6
