[INFO] fetching crate buildable 0.0.5...
[INFO] documenting buildable-0.0.5 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate buildable 0.0.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate buildable 0.0.5 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate buildable 0.0.5
[INFO] finished tweaking crates.io crate buildable 0.0.5
[INFO] tweaked toml for crates.io crate buildable 0.0.5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69c07183cdd48bcaad092a835d4392dade370b8142ad26ec71ca70f79655b793
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "69c07183cdd48bcaad092a835d4392dade370b8142ad26ec71ca70f79655b793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69c07183cdd48bcaad092a835d4392dade370b8142ad26ec71ca70f79655b793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69c07183cdd48bcaad092a835d4392dade370b8142ad26ec71ca70f79655b793", kill_on_drop: false }`
[INFO] [stdout] 69c07183cdd48bcaad092a835d4392dade370b8142ad26ec71ca70f79655b793
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fac7c87e2a01c5c58d96c5f816a645d00739a01bf7a31620463018b64a29e5e9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fac7c87e2a01c5c58d96c5f816a645d00739a01bf7a31620463018b64a29e5e9", kill_on_drop: false }`
[INFO] [stderr]  Documenting buildable v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: non-builtin inner attributes are unstable
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![experimental]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #54726 <https://github.com/rust-lang/rust/issues/54726> for more information
[INFO] [stdout]    = help: add `#![feature(custom_inner_attributes)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `experimental` in this scope
[INFO] [stdout]   --> src/lib.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![experimental]
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `Clone`
[INFO] [stdout]   --> src/lib.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(Clone,Default)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `Default`
[INFO] [stdout]   --> src/lib.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(Clone,Default)]
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `experimental` in this scope
[INFO] [stdout]   --> src/lib.rs:20:3
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[experimental]
[INFO] [stdout]    |   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `experimental` in this scope
[INFO] [stdout]    --> src/lib.rs:196:3
[INFO] [stdout]     |
[INFO] [stdout] 196 | #[experimental]
[INFO] [stdout]     |   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `Copy`
[INFO] [stdout]    --> src/lib.rs:214:10
[INFO] [stdout]     |
[INFO] [stdout] 214 | #[derive(Copy,PartialEq, Eq, PartialOrd, Ord, Show)]
[INFO] [stdout]     |          ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `PartialEq`
[INFO] [stdout]    --> src/lib.rs:214:15
[INFO] [stdout]     |
[INFO] [stdout] 214 | #[derive(Copy,PartialEq, Eq, PartialOrd, Ord, Show)]
[INFO] [stdout]     |               ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `Eq`
[INFO] [stdout]    --> src/lib.rs:214:26
[INFO] [stdout]     |
[INFO] [stdout] 214 | #[derive(Copy,PartialEq, Eq, PartialOrd, Ord, Show)]
[INFO] [stdout]     |                          ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `PartialOrd`
[INFO] [stdout]    --> src/lib.rs:214:30
[INFO] [stdout]     |
[INFO] [stdout] 214 | #[derive(Copy,PartialEq, Eq, PartialOrd, Ord, Show)]
[INFO] [stdout]     |                              ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `Ord`
[INFO] [stdout]    --> src/lib.rs:214:42
[INFO] [stdout]     |
[INFO] [stdout] 214 | #[derive(Copy,PartialEq, Eq, PartialOrd, Ord, Show)]
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Show` in this scope
[INFO] [stdout]    --> src/lib.rs:214:47
[INFO] [stdout]     |
[INFO] [stdout] 214 | #[derive(Copy,PartialEq, Eq, PartialOrd, Ord, Show)]
[INFO] [stdout]     |                                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Path` in this scope
[INFO] [stdout]   --> src/lib.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 |     dir: Option<Path>,
[INFO] [stdout]    |                 ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::path::Path;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Path` in this scope
[INFO] [stdout]   --> src/lib.rs:69:32
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn dir(&mut self, dir: Path) -> &mut BuildConfig {
[INFO] [stdout]    |                                ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::path::Path;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Path` in this scope
[INFO] [stdout]    --> src/lib.rs:155:41
[INFO] [stdout]     |
[INFO] [stdout] 155 |     pub fn get_dir<'a>(&'a self) -> &'a Path {
[INFO] [stdout]     |                                         ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 13  | use std::path::Path;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `buildable`.
[INFO] [stdout] error: aborting due to 16 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0658.
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name buildable 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 --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "fac7c87e2a01c5c58d96c5f816a645d00739a01bf7a31620463018b64a29e5e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fac7c87e2a01c5c58d96c5f816a645d00739a01bf7a31620463018b64a29e5e9", kill_on_drop: false }`
[INFO] [stdout] fac7c87e2a01c5c58d96c5f816a645d00739a01bf7a31620463018b64a29e5e9