[INFO] cloning repository https://github.com/ThatsGobbles/cursive-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ThatsGobbles/cursive-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatsGobbles%2Fcursive-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatsGobbles%2Fcursive-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2370dbb9dc5cd541ca8583b3222035bcd94f282b
[INFO] documenting ThatsGobbles/cursive-test 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%2FThatsGobbles%2Fcursive-test" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ThatsGobbles/cursive-test 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/ThatsGobbles/cursive-test
[INFO] finished tweaking git repo https://github.com/ThatsGobbles/cursive-test
[INFO] tweaked toml for git repo https://github.com/ThatsGobbles/cursive-test written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ThatsGobbles/cursive-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 47d34f13f90cd4255b422cada1fa9177608d2737829100b607eb3005d6a8999c
[INFO] running `Command { std: "docker" "start" "-a" "47d34f13f90cd4255b422cada1fa9177608d2737829100b607eb3005d6a8999c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47d34f13f90cd4255b422cada1fa9177608d2737829100b607eb3005d6a8999c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d34f13f90cd4255b422cada1fa9177608d2737829100b607eb3005d6a8999c", kill_on_drop: false }`
[INFO] [stdout] 47d34f13f90cd4255b422cada1fa9177608d2737829100b607eb3005d6a8999c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] ae8902ffb2c62ca019eb2d4922cf5e3bdab37296cabc529bf107ad4e6e305e16
[INFO] running `Command { std: "docker" "start" "-a" "ae8902ffb2c62ca019eb2d4922cf5e3bdab37296cabc529bf107ad4e6e305e16", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking array-macro v1.0.3
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking hashbrown v0.3.1
[INFO] [stderr]     Checking xi-unicode v0.1.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking enum-map-internals v0.1.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking signal-hook-registry v1.0.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking termion v1.5.2
[INFO] [stderr]     Checking signal-hook v0.1.9
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking toml v0.5.1
[INFO] [stderr]    Compiling enum-map-derive v0.4.1
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]     Checking enum-map v0.5.0
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling enumset_derive v0.4.0
[INFO] [stderr]     Checking enumset v0.4.0
[INFO] [stderr]     Checking cursive v0.12.0
[INFO] [stderr]  Documenting cursive-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(clamp)]
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `cursive-test`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name cursive_test src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=a8789397cf19e54f -L dependency=/opt/rustwide/target/debug/deps --extern cursive=/opt/rustwide/target/debug/deps/libcursive-a84eec6d7864ee0f.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-812fefc8d51208bb.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ae8902ffb2c62ca019eb2d4922cf5e3bdab37296cabc529bf107ad4e6e305e16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae8902ffb2c62ca019eb2d4922cf5e3bdab37296cabc529bf107ad4e6e305e16", kill_on_drop: false }`
[INFO] [stdout] ae8902ffb2c62ca019eb2d4922cf5e3bdab37296cabc529bf107ad4e6e305e16