[INFO] fetching crate argon 0.1.0...
[INFO] documenting argon-0.1.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate argon 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate argon 0.1.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate argon 0.1.0
[INFO] finished tweaking crates.io crate argon 0.1.0
[INFO] tweaked toml for crates.io crate argon 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lalrpop-util v0.15.2
[INFO] [stderr]   Downloaded pretty_env_logger v0.2.5
[INFO] [stderr]   Downloaded ena v0.9.3
[INFO] [stderr]   Downloaded wasmi v0.2.1
[INFO] [stderr]   Downloaded parity-wasm v0.27.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24690a02d63d5fdb3d364acf5b1391e718fc0fe87e3a213519354330b3c95a95
[INFO] running `Command { std: "docker" "start" "-a" "24690a02d63d5fdb3d364acf5b1391e718fc0fe87e3a213519354330b3c95a95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24690a02d63d5fdb3d364acf5b1391e718fc0fe87e3a213519354330b3c95a95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24690a02d63d5fdb3d364acf5b1391e718fc0fe87e3a213519354330b3c95a95", kill_on_drop: false }`
[INFO] [stdout] 24690a02d63d5fdb3d364acf5b1391e718fc0fe87e3a213519354330b3c95a95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73ea6757e49617c8c1c4a9e27780f0d7658bbd43324613bb9fca59bc780d05b5
[INFO] running `Command { std: "docker" "start" "-a" "73ea6757e49617c8c1c4a9e27780f0d7658bbd43324613bb9fca59bc780d05b5", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking lalrpop-util v0.15.2
[INFO] [stderr]     Checking nan-preserving-float v0.1.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking ena v0.9.3
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking parity-wasm v0.27.6
[INFO] [stderr]  Documenting argon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: allow(rust_2018_idioms) is ignored unless specified at crate level
[INFO] [stdout]   --> src/grammar.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[allow(rust_2018_idioms)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(crate_visibility_modifier)]
[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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_patterns)]
[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:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(box_syntax)]
[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; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `argon`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name argon 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 derive_new=/opt/rustwide/target/debug/deps/libderive_new-17a18e4f34feafaa.so --extern ena=/opt/rustwide/target/debug/deps/libena-bd3d2280f45adec3.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-bb6c05812553be94.rmeta --extern lalrpop_util=/opt/rustwide/target/debug/deps/liblalrpop_util-849118719ad41d89.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-5e37eee3e84fafab.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-56a705720bafac8d.rmeta --extern nan_preserving_float=/opt/rustwide/target/debug/deps/libnan_preserving_float-5759dc80c5b57a77.rmeta --extern parity_wasm=/opt/rustwide/target/debug/deps/libparity_wasm-169869b3da27e819.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-fd7c22c517e8d025.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-f5b49d7dbd6602ea.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "73ea6757e49617c8c1c4a9e27780f0d7658bbd43324613bb9fca59bc780d05b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73ea6757e49617c8c1c4a9e27780f0d7658bbd43324613bb9fca59bc780d05b5", kill_on_drop: false }`
[INFO] [stdout] 73ea6757e49617c8c1c4a9e27780f0d7658bbd43324613bb9fca59bc780d05b5
