[INFO] fetching crate rttrust 0.1.3...
[INFO] documenting rttrust-0.1.3 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate rttrust 0.1.3 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate rttrust 0.1.3 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 crates.io crate rttrust 0.1.3
[INFO] finished tweaking crates.io crate rttrust 0.1.3
[INFO] tweaked toml for crates.io crate rttrust 0.1.3 written to /workspace/builds/worker-26/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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] ba8bcc9294ca2ca7ce1ccad0d4132c84b9970bcb33ef579f4965916c58ad8983
[INFO] running `Command { std: "docker" "start" "-a" "ba8bcc9294ca2ca7ce1ccad0d4132c84b9970bcb33ef579f4965916c58ad8983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba8bcc9294ca2ca7ce1ccad0d4132c84b9970bcb33ef579f4965916c58ad8983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba8bcc9294ca2ca7ce1ccad0d4132c84b9970bcb33ef579f4965916c58ad8983", kill_on_drop: false }`
[INFO] [stdout] ba8bcc9294ca2ca7ce1ccad0d4132c84b9970bcb33ef579f4965916c58ad8983
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 600768b45ca967583d105285db094dde89768b44820008cd17fa355009b043a4
[INFO] running `Command { std: "docker" "start" "-a" "600768b45ca967583d105285db094dde89768b44820008cd17fa355009b043a4", 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]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]     Checking genio v0.2.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling time v0.3.9
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling simple_logger v1.16.0
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling rttrust v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `simple_logger::init_by_env`: Use [`init_with_env`] instead, which does not unwrap the result. Will be removed in version 2.0.0.
[INFO] [stdout]   --> build.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |     simple_logger::init_by_env();
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting rttrust v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(clamp)]
[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:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(alloc_error_handler)]
[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:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(negative_impls)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `rttrust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type rlib --crate-name rttrust src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="alloc"' --cfg 'feature="default"' --cfg 'feature="genio"' --cfg 'feature="io"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e2bb8dbd69917479 -L dependency=/opt/rustwide/target/debug/deps --extern arrayvec=/opt/rustwide/target/debug/deps/libarrayvec-6573e3d24eff7da5.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-8cc1d31a1150a55d.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-e458cac3d10fc5af.rmeta --extern cty=/opt/rustwide/target/debug/deps/libcty-bb9ca9e355fbd08f.rmeta --extern genio=/opt/rustwide/target/debug/deps/libgenio-1914f3b5434250e1.rmeta --cap-lints=warn --crate-version 0.1.3` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "600768b45ca967583d105285db094dde89768b44820008cd17fa355009b043a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "600768b45ca967583d105285db094dde89768b44820008cd17fa355009b043a4", kill_on_drop: false }`
[INFO] [stdout] 600768b45ca967583d105285db094dde89768b44820008cd17fa355009b043a4