[INFO] fetching crate treez 1.6.0...
[INFO] documenting treez-1.6.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate treez 1.6.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate treez 1.6.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate treez 1.6.0
[INFO] finished tweaking crates.io crate treez 1.6.0
[INFO] tweaked toml for crates.io crate treez 1.6.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mazth v0.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fb9a145493b36effa171698af90501dfc6b1d208e7609d4d653966cf264e713
[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" "1fb9a145493b36effa171698af90501dfc6b1d208e7609d4d653966cf264e713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fb9a145493b36effa171698af90501dfc6b1d208e7609d4d653966cf264e713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fb9a145493b36effa171698af90501dfc6b1d208e7609d4d653966cf264e713", kill_on_drop: false }`
[INFO] [stdout] 1fb9a145493b36effa171698af90501dfc6b1d208e7609d4d653966cf264e713
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc17c3067f6e2fea05f720a94bbad8961c9e1972c0fcaf0129977625ba1ef90c
[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" "fc17c3067f6e2fea05f720a94bbad8961c9e1972c0fcaf0129977625ba1ef90c", kill_on_drop: false }`
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking mazth v0.0.0
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking crossbeam-deque v0.5.2
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking crossbeam v0.4.1
[INFO] [stderr]  Documenting treez v1.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/treap2.rs:681:25
[INFO] [stdout]     |
[INFO] [stdout] 681 |         let t_l = match (l) {
[INFO] [stdout]     |                         ^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/treap2.rs:690:25
[INFO] [stdout]     |
[INFO] [stdout] 690 |         let t_r = match (r) {
[INFO] [stdout]     |                         ^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `index`
[INFO] [stdout]   --> src/bit.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 |     /// a[index] += val, index is 0-indexed
[INFO] [stdout]    |           ^^^^^ the module `bit` contains no item named `index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(broken_intra_doc_links)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `0`
[INFO] [stdout]   --> src/bit.rs:40:11
[INFO] [stdout]    |
[INFO] [stdout] 40 |     /// a[0] + .. + a[index], index is 0-indexed
[INFO] [stdout]    |           ^ the module `bit` contains no item named `0`
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `index`
[INFO] [stdout]   --> src/bit.rs:40:23
[INFO] [stdout]    |
[INFO] [stdout] 40 |     /// a[0] + .. + a[index], index is 0-indexed
[INFO] [stdout]    |                       ^^^^^ the module `bit` contains no item named `index`
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `l`
[INFO] [stdout]   --> src/bit.rs:52:11
[INFO] [stdout]    |
[INFO] [stdout] 52 |     /// a[l] + .. + a[r], l and r 0-indexed
[INFO] [stdout]    |           ^ the module `bit` contains no item named `l`
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `r`
[INFO] [stdout]   --> src/bit.rs:52:23
[INFO] [stdout]    |
[INFO] [stdout] 52 |     /// a[l] + .. + a[r], l and r 0-indexed
[INFO] [stdout]    |                       ^ the module `bit` contains no item named `r`
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `index`
[INFO] [stdout]   --> src/bit.rs:64:11
[INFO] [stdout]    |
[INFO] [stdout] 64 |     /// a[index] = val, index is 0-indexed
[INFO] [stdout]    |           ^^^^^ the module `bit` contains no item named `index`
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `idx`
[INFO] [stdout]  --> src/lower_bound.rs:9:32
[INFO] [stdout]   |
[INFO] [stdout] 9 | /// find first index where arr[idx] >= v; assume arr is sorted
[INFO] [stdout]   |                                ^^^ the module `lower_bound` contains no item named `idx`
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `idx`
[INFO] [stdout]  --> src/upper_bound.rs:9:32
[INFO] [stdout]   |
[INFO] [stdout] 9 | /// find first index where arr[idx] > v; assume arr is sorted
[INFO] [stdout]   |                                ^^^ the module `upper_bound` contains no item named `idx`
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.24s
[INFO] running `Command { std: "docker" "inspect" "fc17c3067f6e2fea05f720a94bbad8961c9e1972c0fcaf0129977625ba1ef90c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc17c3067f6e2fea05f720a94bbad8961c9e1972c0fcaf0129977625ba1ef90c", kill_on_drop: false }`
[INFO] [stdout] fc17c3067f6e2fea05f720a94bbad8961c9e1972c0fcaf0129977625ba1ef90c
