[INFO] cloning repository https://github.com/sisshiki1969/ruruby
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sisshiki1969/ruruby" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsisshiki1969%2Fruruby", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsisshiki1969%2Fruruby'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27c00ef211e63d60d2238828c6cde281f0ca6776
[INFO] documenting sisshiki1969/ruruby against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsisshiki1969%2Fruruby" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sisshiki1969/ruruby 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 git repo https://github.com/sisshiki1969/ruruby
[INFO] finished tweaking git repo https://github.com/sisshiki1969/ruruby
[INFO] tweaked toml for git repo https://github.com/sisshiki1969/ruruby written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/sisshiki1969/ruruby already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded endian-type v0.1.2
[INFO] [stderr]   Downloaded enum-iterator-derive v0.7.0
[INFO] [stderr]   Downloaded divrem v1.0.0
[INFO] [stderr]   Downloaded enum-iterator v0.7.0
[INFO] [stderr]   Downloaded utf8parse v0.2.0
[INFO] [stderr]   Downloaded arraystring v0.3.0
[INFO] [stderr]   Downloaded fancy-regex v0.7.0
[INFO] [stderr]   Downloaded nibble_vec v0.1.0
[INFO] [stderr]   Downloaded rustyline v8.0.0
[INFO] [stderr]   Downloaded radix_trie v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 3138b96526f7074002d6ec6e30072057c552a13efc4bfd45fc648f5deba53939
[INFO] running `Command { std: "docker" "start" "-a" "3138b96526f7074002d6ec6e30072057c552a13efc4bfd45fc648f5deba53939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3138b96526f7074002d6ec6e30072057c552a13efc4bfd45fc648f5deba53939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3138b96526f7074002d6ec6e30072057c552a13efc4bfd45fc648f5deba53939", kill_on_drop: false }`
[INFO] [stdout] 3138b96526f7074002d6ec6e30072057c552a13efc4bfd45fc648f5deba53939
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 7c3bf160559b8261f285e98263ca0671a00516654b33d3b621e2c4017e097ddb
[INFO] running `Command { std: "docker" "start" "-a" "7c3bf160559b8261f285e98263ca0671a00516654b33d3b621e2c4017e097ddb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling ruruby v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking divrem v1.0.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking indexmap v1.6.2
[INFO] [stderr]     Checking arraystring v0.3.0
[INFO] [stderr]     Checking fancy-regex v0.7.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling enum-iterator-derive v0.7.0
[INFO] [stderr]     Checking enum-iterator v0.7.0
[INFO] [stderr]     Checking rustyline v8.0.0
[INFO] [stderr]  Documenting ruruby v0.2.0 (/opt/rustwide/workdir)
[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(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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(pattern)]
[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(asm, naked_functions)]
[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:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(once_cell)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 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 `ruruby`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name ruruby src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-adc7adf55a067047.rmeta --extern arraystring=/opt/rustwide/target/debug/deps/libarraystring-a605313c9b8a37d8.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-2707e3795fa939f1.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-770a5a54a0bdeeb4.rmeta --extern console=/opt/rustwide/target/debug/deps/libconsole-5815bb3ec2f9c06e.rmeta --extern dirs=/opt/rustwide/target/debug/deps/libdirs-cbbbc106a245f524.rmeta --extern divrem=/opt/rustwide/target/debug/deps/libdivrem-2e331a58d7f0dcfa.rmeta --extern enum_iterator=/opt/rustwide/target/debug/deps/libenum_iterator-c2d3fcc3a613aee7.rmeta --extern fancy_regex=/opt/rustwide/target/debug/deps/libfancy_regex-02cc41fffa2aea81.rmeta --extern fxhash=/opt/rustwide/target/debug/deps/libfxhash-a709fbb61f375bbe.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-5eb502c2f808f256.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-f0af484c73954b52.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-dba39d0941412be7.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-78da2ec1f105c1a0.rmeta --extern region=/opt/rustwide/target/debug/deps/libregion-7ad3e620fbd5330b.rmeta --extern rustyline=/opt/rustwide/target/debug/deps/librustyline-3625bdee096fec58.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-5c9dabf0e1cc6f75.rmeta --extern terminal_size=/opt/rustwide/target/debug/deps/libterminal_size-f1b7ecc90e722230.rmeta --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "7c3bf160559b8261f285e98263ca0671a00516654b33d3b621e2c4017e097ddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c3bf160559b8261f285e98263ca0671a00516654b33d3b621e2c4017e097ddb", kill_on_drop: false }`
[INFO] [stdout] 7c3bf160559b8261f285e98263ca0671a00516654b33d3b621e2c4017e097ddb
