[INFO] fetching crate hornet 0.1.0...
[INFO] documenting hornet-0.1.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate hornet 0.1.0 into /workspace/builds/worker-74/source
[INFO] validating manifest of crates.io crate hornet 0.1.0 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 crates.io crate hornet 0.1.0
[INFO] finished tweaking crates.io crate hornet 0.1.0
[INFO] tweaked toml for crates.io crate hornet 0.1.0 written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] f0f701e6174c72a28fd12c5feea353557899a64729934673fcd89a2147a8e860
[INFO] running `Command { std: "docker" "start" "-a" "f0f701e6174c72a28fd12c5feea353557899a64729934673fcd89a2147a8e860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0f701e6174c72a28fd12c5feea353557899a64729934673fcd89a2147a8e860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0f701e6174c72a28fd12c5feea353557899a64729934673fcd89a2147a8e860", kill_on_drop: false }`
[INFO] [stdout] f0f701e6174c72a28fd12c5feea353557899a64729934673fcd89a2147a8e860
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] fc82994bdbbe76fca9116ee14fa45fb05282bc7c0a6958a84d5658934276acd5
[INFO] running `Command { std: "docker" "start" "-a" "fc82994bdbbe76fca9116ee14fa45fb05282bc7c0a6958a84d5658934276acd5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking memmap v0.5.2
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking hdrsample v4.0.0
[INFO] [stderr]     Checking hornet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting hornet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `nix` is imported redundantly
[INFO] [stdout]   --> src/client/mod.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     use nix;
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:9:14
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[cfg(unix)] extern crate nix;
[INFO] [stdout]    |              ----------------- the item `nix` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/client/mod.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | / bitflags! {
[INFO] [stdout] 149 | |     /// Flags used to modify how a client exports metrics
[INFO] [stdout] 150 | |     pub struct MMVFlags: u32 {
[INFO] [stdout] 151 | |         /// Metric names aren't prefixed with MMV filename
[INFO] [stdout] ...   |
[INFO] [stdout] 157 | |     }
[INFO] [stdout] 158 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/client/mod.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | / bitflags! {
[INFO] [stdout] 149 | |     /// Flags used to modify how a client exports metrics
[INFO] [stdout] 150 | |     pub struct MMVFlags: u32 {
[INFO] [stdout] 151 | |         /// Metric names aren't prefixed with MMV filename
[INFO] [stdout] ...   |
[INFO] [stdout] 157 | |     }
[INFO] [stdout] 158 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/client/mod.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | / bitflags! {
[INFO] [stdout] 149 | |     /// Flags used to modify how a client exports metrics
[INFO] [stdout] 150 | |     pub struct MMVFlags: u32 {
[INFO] [stdout] 151 | |         /// Metric names aren't prefixed with MMV filename
[INFO] [stdout] ...   |
[INFO] [stdout] 157 | |     }
[INFO] [stdout] 158 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/client/mod.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | / bitflags! {
[INFO] [stdout] 149 | |     /// Flags used to modify how a client exports metrics
[INFO] [stdout] 150 | |     pub struct MMVFlags: u32 {
[INFO] [stdout] 151 | |         /// Metric names aren't prefixed with MMV filename
[INFO] [stdout] ...   |
[INFO] [stdout] 157 | |     }
[INFO] [stdout] 158 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/client/mod.rs:226:46
[INFO] [stdout]     |
[INFO] [stdout] 226 |     pub fn export(&self, metrics: &mut [&mut MMVWriter]) -> io::Result<()> {
[INFO] [stdout]     |                                              ^^^^^^^^^ help: use `dyn`: `dyn MMVWriter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/client/mod.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | /     lazy_static! {
[INFO] [stdout] 93 | |         static ref RE: Regex =
[INFO] [stdout] 94 | |             Regex::new("(?-u)^(PCP_[[:alnum:]_]+)=([^\"\'].*[^\"\'])\n$")
[INFO] [stdout] 95 | |                 .unwrap();
[INFO] [stdout] 96 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/client/metric/mod.rs:539:1
[INFO] [stdout]     |
[INFO] [stdout] 539 | / lazy_static! {
[INFO] [stdout] 540 | |     static ref SCRATCH_VIEW: MmapViewSync = {
[INFO] [stdout] 541 | |         Mmap::anonymous(STRING_BLOCK_LEN as usize, Protection::ReadWrite).unwrap()
[INFO] [stdout] 542 | |             .into_view_sync()
[INFO] [stdout] 543 | |     };
[INFO] [stdout] 544 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/mmv/mod.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | /// https://github.com/performancecopilot/pcp/blob/master/src/include/pcp/pmapi.h#L113
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/performancecopilot/pcp/blob/master/src/include/pcp/pmapi.h#L113>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]    --> src/mmv/mod.rs:182:5
[INFO] [stdout]     |
[INFO] [stdout] 182 | /// https://github.com/performancecopilot/pcp/blob/master/src/include/pcp/mmv_dev.h#L95
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/performancecopilot/pcp/blob/master/src/include/pcp/mmv_dev.h#L95>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]    --> src/mmv/mod.rs:259:5
[INFO] [stdout]     |
[INFO] [stdout] 259 | /// https://github.com/performancecopilot/pcp/blob/master/src/include/pcp/mmv_dev.h#L32
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/performancecopilot/pcp/blob/master/src/include/pcp/mmv_dev.h#L32>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]    --> src/mmv/mod.rs:311:5
[INFO] [stdout]     |
[INFO] [stdout] 311 | /// https://github.com/performancecopilot/pcp/blob/master/src/include/pcp/mmv_dev.h#L64
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/performancecopilot/pcp/blob/master/src/include/pcp/mmv_dev.h#L64>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]    --> src/mmv/mod.rs:395:5
[INFO] [stdout]     |
[INFO] [stdout] 395 | /// https://github.com/performancecopilot/pcp/blob/master/src/include/pcp/mmv_dev.h#L88
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/performancecopilot/pcp/blob/master/src/include/pcp/mmv_dev.h#L88>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]    --> src/mmv/mod.rs:438:5
[INFO] [stdout]     |
[INFO] [stdout] 438 | /// https://github.com/performancecopilot/pcp/blob/master/src/include/pcp/mmv_dev.h#L38
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/performancecopilot/pcp/blob/master/src/include/pcp/mmv_dev.h#L38>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]    --> src/mmv/mod.rs:488:5
[INFO] [stdout]     |
[INFO] [stdout] 488 | /// https://github.com/performancecopilot/pcp/blob/master/src/include/pcp/mmv_dev.h#L46
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/performancecopilot/pcp/blob/master/src/include/pcp/mmv_dev.h#L46>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]    --> src/mmv/mod.rs:544:5
[INFO] [stdout]     |
[INFO] [stdout] 544 | /// https://github.com/performancecopilot/pcp/blob/master/src/include/pcp/mmv_dev.h#L60
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/performancecopilot/pcp/blob/master/src/include/pcp/mmv_dev.h#L60>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.61s
[INFO] running `Command { std: "docker" "inspect" "fc82994bdbbe76fca9116ee14fa45fb05282bc7c0a6958a84d5658934276acd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc82994bdbbe76fca9116ee14fa45fb05282bc7c0a6958a84d5658934276acd5", kill_on_drop: false }`
[INFO] [stdout] fc82994bdbbe76fca9116ee14fa45fb05282bc7c0a6958a84d5658934276acd5
