[INFO] fetching crate crc64-rs 0.2.0...
[INFO] documenting crc64-rs-0.2.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate crc64-rs 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate crc64-rs 0.2.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crc64-rs 0.2.0
[INFO] finished tweaking crates.io crate crc64-rs 0.2.0
[INFO] tweaked toml for crates.io crate crc64-rs 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c092449109ad5cf8d772a9270e61a9434f426140e751f54906db88f8e3b249e
[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" "3c092449109ad5cf8d772a9270e61a9434f426140e751f54906db88f8e3b249e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c092449109ad5cf8d772a9270e61a9434f426140e751f54906db88f8e3b249e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c092449109ad5cf8d772a9270e61a9434f426140e751f54906db88f8e3b249e", kill_on_drop: false }`
[INFO] [stdout] 3c092449109ad5cf8d772a9270e61a9434f426140e751f54906db88f8e3b249e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f7207411d00e4ebfe6598b8a74040c0c122e21c0ab7c11d9f303e8bb6297242
[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" "6f7207411d00e4ebfe6598b8a74040c0c122e21c0ab7c11d9f303e8bb6297242", kill_on_drop: false }`
[INFO] [stderr]  Documenting crc64-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid suffix `us` for integer literal
[INFO] [stdout]   --> src/lib.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let mut i = 1us;
[INFO] [stdout]    |                 ^^^ invalid suffix `us`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `us` for integer literal
[INFO] [stdout]   --> src/lib.rs:55:22
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let mut offset = 0us;
[INFO] [stdout]    |                      ^^^ invalid suffix `us`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `us` for integer literal
[INFO] [stdout]    --> src/lib.rs:126:22
[INFO] [stdout]     |
[INFO] [stdout] 126 |     let mut offset = 0us;
[INFO] [stdout]     |                      ^^^ invalid suffix `us`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: non-builtin inner attributes are unstable
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![experimental]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #54726 <https://github.com/rust-lang/rust/issues/54726> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `experimental` in this scope
[INFO] [stdout]  --> src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![experimental]
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `test`
[INFO] [stdout]    --> src/lib.rs:152:3
[INFO] [stdout]     |
[INFO] [stdout] 152 | #[test]
[INFO] [stdout]     |   ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[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(slicing_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `crc64-rs`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name crc64 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=warn --crate-version 0.2.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "6f7207411d00e4ebfe6598b8a74040c0c122e21c0ab7c11d9f303e8bb6297242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f7207411d00e4ebfe6598b8a74040c0c122e21c0ab7c11d9f303e8bb6297242", kill_on_drop: false }`
[INFO] [stdout] 6f7207411d00e4ebfe6598b8a74040c0c122e21c0ab7c11d9f303e8bb6297242