[INFO] crate ai_kit 0.1.0 is already in cache
[INFO] documenting ai_kit-0.1.0 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate ai_kit 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate ai_kit 0.1.0 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 ai_kit 0.1.0
[INFO] finished tweaking crates.io crate ai_kit 0.1.0
[INFO] tweaked toml for crates.io crate ai_kit 0.1.0 written to /workspace/builds/worker-13/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 68f75aae7a10e76e6d0d795d0dba07aea30ae64632f5bc2536cad2ab3f97cd8d
[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" "68f75aae7a10e76e6d0d795d0dba07aea30ae64632f5bc2536cad2ab3f97cd8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68f75aae7a10e76e6d0d795d0dba07aea30ae64632f5bc2536cad2ab3f97cd8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68f75aae7a10e76e6d0d795d0dba07aea30ae64632f5bc2536cad2ab3f97cd8d", kill_on_drop: false }`
[INFO] [stdout] 68f75aae7a10e76e6d0d795d0dba07aea30ae64632f5bc2536cad2ab3f97cd8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 89346cd6a2da5c299a25cd2f256056f91309ab39d966cfd205e9efb5f65ae6c0
[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" "89346cd6a2da5c299a25cd2f256056f91309ab39d966cfd205e9efb5f65ae6c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling pulldown-cmark v0.0.15
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling walkdir v1.0.7
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking uuid v0.4.0
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling skeptic v0.11.0
[INFO] [stderr]    Compiling ai_kit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting ai_kit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/datum/mod.rs:47:45
[INFO] [stdout]    |
[INFO] [stdout] 47 |             Datum::Int(ref i_value) => Some((i_value.clone() as f64)),
[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 method argument
[INFO] [stdout]   --> src/pedigree/mod.rs:83:115
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 Some((construct_id_origin_tuples_for_generation(generation), self.inf_graph.subsequent_inferences((generation_idx + 1))))
[INFO] [stdout]    |                                                                                                                   ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/pedigree/mod.rs:250:23
[INFO] [stdout]     |
[INFO] [stdout] 250 |     pub elements: Vec<(Vec<(String, Option<Origin>)>)>,
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.80s
[INFO] running `Command { std: "docker" "inspect" "89346cd6a2da5c299a25cd2f256056f91309ab39d966cfd205e9efb5f65ae6c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89346cd6a2da5c299a25cd2f256056f91309ab39d966cfd205e9efb5f65ae6c0", kill_on_drop: false }`
[INFO] [stdout] 89346cd6a2da5c299a25cd2f256056f91309ab39d966cfd205e9efb5f65ae6c0