[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 beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustyhorde%2Flibechoexec" "/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/rustyhorde/libechoexec on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] 598c0f9d5f8a81e52869c717bd8255b54b273228aa5508a43e1188553ac0b8c5
[INFO] running `Command { std: "docker" "start" "-a" "598c0f9d5f8a81e52869c717bd8255b54b273228aa5508a43e1188553ac0b8c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "598c0f9d5f8a81e52869c717bd8255b54b273228aa5508a43e1188553ac0b8c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "598c0f9d5f8a81e52869c717bd8255b54b273228aa5508a43e1188553ac0b8c5", kill_on_drop: false }`
[INFO] [stdout] 598c0f9d5f8a81e52869c717bd8255b54b273228aa5508a43e1188553ac0b8c5
[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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] 7009adfe303a76d414e6e9e7945f7d2249813b70a31f2838fac811479aace437
[INFO] running `Command { std: "docker" "start" "-a" "7009adfe303a76d414e6e9e7945f7d2249813b70a31f2838fac811479aace437", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling openssl v0.10.40
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio v0.3.7
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]     Checking http v0.2.7
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]    Compiling openssl-sys v0.9.73
[INFO] [stderr]     Checking slog-try v0.2.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling tokio-macros v0.3.2
[INFO] [stderr]    Compiling getset v0.1.2
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking hyper v0.14.19
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[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 beta 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,artifacts,future-incompat --document-private-items -C metadata=f3485b9b16d54d3a -L dependency=/opt/rustwide/target/debug/deps --extern futures=/opt/rustwide/target/debug/deps/libfutures-856c0f2d89c3e65a.rmeta --extern getset=/opt/rustwide/target/debug/deps/libgetset-e8524c8cc6544fc0.so --extern hyper=/opt/rustwide/target/debug/deps/libhyper-66ccfa2ba6daec3e.rmeta --extern hyper_tls=/opt/rustwide/target/debug/deps/libhyper_tls-a10def40d01abbe2.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-701e134f05ff346a.rmeta --extern native_tls=/opt/rustwide/target/debug/deps/libnative_tls-ee11ff19a8ebb3f1.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-dbdb529db862b224.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-67c7a985c07158c8.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-9b5e22c1651a5e61.rmeta --extern slog=/opt/rustwide/target/debug/deps/libslog-83e4bd19bf928ebd.rmeta --extern slog_try=/opt/rustwide/target/debug/deps/libslog_try-d2cda898aefbf1c1.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-b3d897fa1ac981c0.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-e80a1fa511a8efc1.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "7009adfe303a76d414e6e9e7945f7d2249813b70a31f2838fac811479aace437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7009adfe303a76d414e6e9e7945f7d2249813b70a31f2838fac811479aace437", kill_on_drop: false }`
[INFO] [stdout] 7009adfe303a76d414e6e9e7945f7d2249813b70a31f2838fac811479aace437