[INFO] fetching crate async-ssh2-tokio 0.1.0...
[INFO] documenting async-ssh2-tokio-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate async-ssh2-tokio 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate async-ssh2-tokio 0.1.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-ssh2-tokio 0.1.0
[INFO] finished tweaking crates.io crate async-ssh2-tokio 0.1.0
[INFO] tweaked toml for crates.io crate async-ssh2-tokio 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thrussh-libsodium v0.2.1
[INFO] [stderr]   Downloaded blowfish v0.8.0
[INFO] [stderr]   Downloaded bcrypt-pbkdf v0.6.2
[INFO] [stderr]   Downloaded cryptovec v0.6.1
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[INFO] [stderr]   Downloaded thrussh v0.33.5
[INFO] [stderr]   Downloaded block-modes v0.8.1
[INFO] [stderr]   Downloaded thrussh-keys v0.21.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.61.0" "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] dc69a2bf58536f46f9e7b31b5f1b004fc9a95d74bbae917e785f84ffbb44a18e
[INFO] running `Command { std: "docker" "start" "-a" "dc69a2bf58536f46f9e7b31b5f1b004fc9a95d74bbae917e785f84ffbb44a18e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc69a2bf58536f46f9e7b31b5f1b004fc9a95d74bbae917e785f84ffbb44a18e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc69a2bf58536f46f9e7b31b5f1b004fc9a95d74bbae917e785f84ffbb44a18e", kill_on_drop: false }`
[INFO] [stdout] dc69a2bf58536f46f9e7b31b5f1b004fc9a95d74bbae917e785f84ffbb44a18e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ceb3a95558baa10a25aa412cc04317ee50e1dacfe94c739123eb87369ce059a
[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" "9ceb3a95558baa10a25aa412cc04317ee50e1dacfe94c739123eb87369ce059a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking base64ct v1.5.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking bytes v1.1.0
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[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
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[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
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[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling libsodium-sys v0.2.7
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking mio v0.8.3
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[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking cryptovec v0.6.1
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking password-hash v0.2.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking blowfish v0.8.0
[INFO] [stderr]     Checking ctr v0.8.0
[INFO] [stderr]     Checking block-modes v0.8.1
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]     Checking pbkdf2 v0.8.0
[INFO] [stderr]     Checking bcrypt-pbkdf v0.6.2
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[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking thrussh-libsodium v0.2.1
[INFO] [stderr]     Checking thrussh-keys v0.21.0
[INFO] [stderr]     Checking thrussh v0.33.5
[INFO] [stderr]  Documenting async-ssh2-tokio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |   //! ```
[INFO] [stdout]    |  _____^
[INFO] [stdout] 16 | | //! use async_ssh2_tokio::client::{Client, Host, AuthMethod};
[INFO] [stdout] 17 | | //! use async_ssh2_tokio::error::AsyncSsh2Error;
[INFO] [stdout] 18 | | //! #[tokio::main]
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | | //! }
[INFO] [stdout] 36 | | //! ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout]    = note: error from rustc: mismatched closing delimiter: `}`
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 15 | //! ```text
[INFO] [stdout]    |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 54s
[INFO] running `Command { std: "docker" "inspect" "9ceb3a95558baa10a25aa412cc04317ee50e1dacfe94c739123eb87369ce059a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ceb3a95558baa10a25aa412cc04317ee50e1dacfe94c739123eb87369ce059a", kill_on_drop: false }`
[INFO] [stdout] 9ceb3a95558baa10a25aa412cc04317ee50e1dacfe94c739123eb87369ce059a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 7a23435841027ecca4dc5e65ad0fa013e10947a806ff7f0b232952438a2d363e
[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" "7a23435841027ecca4dc5e65ad0fa013e10947a806ff7f0b232952438a2d363e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking base64ct v1.5.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]    Compiling libsodium-sys v0.2.7
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking cryptovec v0.6.1
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking password-hash v0.2.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking ctr v0.8.0
[INFO] [stderr]     Checking blowfish v0.8.0
[INFO] [stderr]     Checking block-modes v0.8.1
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]     Checking pbkdf2 v0.8.0
[INFO] [stderr]     Checking bcrypt-pbkdf v0.6.2
[INFO] [stderr]     Checking yasna v0.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking thrussh-libsodium v0.2.1
[INFO] [stderr]     Checking thrussh-keys v0.21.0
[INFO] [stderr]     Checking thrussh v0.33.5
[INFO] [stderr]  Documenting async-ssh2-tokio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |   //! ```
[INFO] [stdout]    |  _____^
[INFO] [stdout] 16 | | //! use async_ssh2_tokio::client::{Client, Host, AuthMethod};
[INFO] [stdout] 17 | | //! use async_ssh2_tokio::error::AsyncSsh2Error;
[INFO] [stdout] 18 | | //! #[tokio::main]
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | | //! }
[INFO] [stdout] 36 | | //! ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout]    = note: error from rustc: mismatched closing delimiter: `}`
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 15 | //! ```text
[INFO] [stdout]    |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 40s
[INFO] running `Command { std: "docker" "inspect" "7a23435841027ecca4dc5e65ad0fa013e10947a806ff7f0b232952438a2d363e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a23435841027ecca4dc5e65ad0fa013e10947a806ff7f0b232952438a2d363e", kill_on_drop: false }`
[INFO] [stdout] 7a23435841027ecca4dc5e65ad0fa013e10947a806ff7f0b232952438a2d363e