[INFO] cloning repository https://github.com/rustyhorde/libechoexec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rustyhorde/libechoexec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustyhorde%2Flibechoexec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustyhorde%2Flibechoexec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 315c423bd43ecf09e7e4933120d4fe027cebacd9
[INFO] documenting rustyhorde/libechoexec 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%2Frustyhorde%2Flibechoexec" "/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/rustyhorde/libechoexec 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/rustyhorde/libechoexec
[INFO] finished tweaking git repo https://github.com/rustyhorde/libechoexec
[INFO] tweaked toml for git repo https://github.com/rustyhorde/libechoexec written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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" "+1.54.0" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] 05e1f4e5e7319c84888c7985040ffd05c7d2749d4fa22ea441865986adfe88b8
[INFO] running `Command { std: "docker" "start" "-a" "05e1f4e5e7319c84888c7985040ffd05c7d2749d4fa22ea441865986adfe88b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05e1f4e5e7319c84888c7985040ffd05c7d2749d4fa22ea441865986adfe88b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05e1f4e5e7319c84888c7985040ffd05c7d2749d4fa22ea441865986adfe88b8", kill_on_drop: false }`
[INFO] [stdout] 05e1f4e5e7319c84888c7985040ffd05c7d2749d4fa22ea441865986adfe88b8
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/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] a2f87179356e054a34b0755d7cc50d51a1e46c8c88f9d334b71af0cabd2cd626
[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" "a2f87179356e054a34b0755d7cc50d51a1e46c8c88f9d334b71af0cabd2cd626", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling tokio v0.3.7
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking futures-channel v0.3.16
[INFO] [stderr]     Checking slog-try v0.2.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking openssl-sys v0.9.65
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking openssl v0.10.35
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling tokio-macros v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]     Checking native-tls v0.2.7
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking futures-util v0.3.16
[INFO] [stderr]     Checking hyper v0.14.11
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]  Documenting libechoexec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `hyper::Client`
[INFO] [stdout]   --> src/echo.rs:14:58
[INFO] [stdout]    |
[INFO] [stdout] 14 |     hyper::{body::HttpBody, client::HttpConnector, Body, Client, Request},
[INFO] [stdout]    |                                                          ^^^^^^
[INFO] [stdout]    |                                                          |
[INFO] [stdout]    |                                                          no `Client` in the root
[INFO] [stdout]    |                                                          help: a similar name exists in the module (notice the capitalization): `client`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:104:1
[INFO] [stdout]     |
[INFO] [stdout] 104 | #![feature(crate_visibility_modifier)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `libechoexec`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name libechoexec 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 futures=/opt/rustwide/target/debug/deps/libfutures-0a46ef0a8b1c3ae2.rmeta --extern getset=/opt/rustwide/target/debug/deps/libgetset-4e360a47043a0246.so --extern hyper=/opt/rustwide/target/debug/deps/libhyper-cef3a3b8ef66a607.rmeta --extern hyper_tls=/opt/rustwide/target/debug/deps/libhyper_tls-2f374470cd6d8074.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-acd7d23482fe8b54.rmeta --extern native_tls=/opt/rustwide/target/debug/deps/libnative_tls-d98784ea3b9c4c83.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-5678c1422d6b64cb.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-a850ef54a5952318.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-0eab562ecff5d2ad.rmeta --extern slog=/opt/rustwide/target/debug/deps/libslog-b902b1600753f6a1.rmeta --extern slog_try=/opt/rustwide/target/debug/deps/libslog_try-fa16186232c2221d.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-cac64c401d6d6ca7.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-93443d2fd907b59f.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a2f87179356e054a34b0755d7cc50d51a1e46c8c88f9d334b71af0cabd2cd626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2f87179356e054a34b0755d7cc50d51a1e46c8c88f9d334b71af0cabd2cd626", kill_on_drop: false }`
[INFO] [stdout] a2f87179356e054a34b0755d7cc50d51a1e46c8c88f9d334b71af0cabd2cd626
