[INFO] cloning repository https://github.com/yuyongpeng/test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuyongpeng/test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuyongpeng%2Ftest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuyongpeng%2Ftest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e10a9301ad45dc47e60b84c441c27d4b866224b0
[INFO] documenting yuyongpeng/test 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%2Fyuyongpeng%2Ftest" "/workspace/builds/worker-51/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-51/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuyongpeng/test 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/yuyongpeng/test
[INFO] finished tweaking git repo https://github.com/yuyongpeng/test
[INFO] tweaked toml for git repo https://github.com/yuyongpeng/test written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] crate git repo https://github.com/yuyongpeng/test 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] [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-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] 9562c0c5e6e9079f85ade1d2b76ff569953e918edac0c33132d584df472d978c
[INFO] running `Command { std: "docker" "start" "-a" "9562c0c5e6e9079f85ade1d2b76ff569953e918edac0c33132d584df472d978c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9562c0c5e6e9079f85ade1d2b76ff569953e918edac0c33132d584df472d978c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9562c0c5e6e9079f85ade1d2b76ff569953e918edac0c33132d584df472d978c", kill_on_drop: false }`
[INFO] [stdout] 9562c0c5e6e9079f85ade1d2b76ff569953e918edac0c33132d584df472d978c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] 0cee2e7900ebfff68dc9da76d1f8a94e6b2a8019fb706f4f48c581a449b57291
[INFO] running `Command { std: "docker" "start" "-a" "0cee2e7900ebfff68dc9da76d1f8a94e6b2a8019fb706f4f48c581a449b57291", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling pm v0.1.0 (/opt/rustwide/workdir/pm)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> pm/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> pm/src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut ast: syn::DeriveInput = syn::parse(ts).unwrap();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_raw_pointers`
[INFO] [stdout]   --> pm/src/lib.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn test_raw_pointers() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting macros v0.1.0 (/opt/rustwide/workdir)
[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(proc_macro_hygiene)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] TokenStream [Ident { ident: "struct", span: #0 bytes(184..190) }, Ident { ident: "Test", span: #0 bytes(191..195) }, Punct { ch: ';', spacing: Alone, span: #0 bytes(195..196) }]
[INFO] [stdout] Test
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 `macros`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name macros 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 pm=/opt/rustwide/target/debug/deps/libpm-c481edeff986c9f4.so --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-464a7edb6a500e8e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-9dc09795e2860bd0.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-84c7fc842bfff12c.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "0cee2e7900ebfff68dc9da76d1f8a94e6b2a8019fb706f4f48c581a449b57291", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cee2e7900ebfff68dc9da76d1f8a94e6b2a8019fb706f4f48c581a449b57291", kill_on_drop: false }`
[INFO] [stdout] 0cee2e7900ebfff68dc9da76d1f8a94e6b2a8019fb706f4f48c581a449b57291
