[INFO] cloning repository https://github.com/qiaojinxia/gwvm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qiaojinxia/gwvm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqiaojinxia%2Fgwvm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqiaojinxia%2Fgwvm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1fa8bfe52fcbb7bb615b2d88ce1cadfb249ce84a
[INFO] documenting qiaojinxia/gwvm against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqiaojinxia%2Fgwvm" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qiaojinxia/gwvm on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/qiaojinxia/gwvm
[INFO] finished tweaking git repo https://github.com/qiaojinxia/gwvm
[INFO] tweaked toml for git repo https://github.com/qiaojinxia/gwvm written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/qiaojinxia/gwvm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fcbf09a064f59723a9c514b8739e054d07ac826f3640f5f37d97d07560b2b25
[INFO] running `Command { std: "docker" "start" "-a" "1fcbf09a064f59723a9c514b8739e054d07ac826f3640f5f37d97d07560b2b25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fcbf09a064f59723a9c514b8739e054d07ac826f3640f5f37d97d07560b2b25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fcbf09a064f59723a9c514b8739e054d07ac826f3640f5f37d97d07560b2b25", kill_on_drop: false }`
[INFO] [stdout] 1fcbf09a064f59723a9c514b8739e054d07ac826f3640f5f37d97d07560b2b25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d9643a011cf634307ef567bd5d85d4538998f601c1c46bb561ff1f05420d4e2
[INFO] running `Command { std: "docker" "start" "-a" "0d9643a011cf634307ef567bd5d85d4538998f601c1c46bb561ff1f05420d4e2", kill_on_drop: false }`
[INFO] [stderr]     Checking podio v0.1.7
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.5.5
[INFO] [stderr]  Documenting gwvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0583]: file not found for module `instructions`
[INFO] [stdout]  --> src/vm/mod.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub mod instructions;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `instructions`, create file "src/vm/instructions.rs" or "src/vm/instructions/mod.rs"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(buffered_io_capacity)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(str_strip)]
[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] Some errors have detailed explanations: E0554, E0583.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `gwvm`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name gwvm src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-1865b0d33b167721.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-2724a2866aa314f8.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-02dc6bfcfb89f9cc.rmeta --extern zip=/opt/rustwide/target/debug/deps/libzip-4427f73995ff3f69.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "0d9643a011cf634307ef567bd5d85d4538998f601c1c46bb561ff1f05420d4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d9643a011cf634307ef567bd5d85d4538998f601c1c46bb561ff1f05420d4e2", kill_on_drop: false }`
[INFO] [stdout] 0d9643a011cf634307ef567bd5d85d4538998f601c1c46bb561ff1f05420d4e2
