[INFO] fetching crate abra 0.0.1...
[INFO] documenting abra-0.0.1 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate abra 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate abra 0.0.1 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate abra 0.0.1
[INFO] finished tweaking crates.io crate abra 0.0.1
[INFO] tweaked toml for crates.io crate abra 0.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c1d179a802540a671f9a2cb53a3b9ab664a894633f7dfc4049ce630a1afad34
[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" "8c1d179a802540a671f9a2cb53a3b9ab664a894633f7dfc4049ce630a1afad34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c1d179a802540a671f9a2cb53a3b9ab664a894633f7dfc4049ce630a1afad34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c1d179a802540a671f9a2cb53a3b9ab664a894633f7dfc4049ce630a1afad34", kill_on_drop: false }`
[INFO] [stdout] 8c1d179a802540a671f9a2cb53a3b9ab664a894633f7dfc4049ce630a1afad34
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 795c8a716961601f22f319c50e7a01d4a16a2a16a22e83bea6a09c646f44ebbf
[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" "795c8a716961601f22f319c50e7a01d4a16a2a16a22e83bea6a09c646f44ebbf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking roaring v0.4.2
[INFO] [stderr]  Documenting abra v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `TF_IDF` should have an upper camel case name
[INFO] [stdout]  --> src/similarity.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     TF_IDF,
[INFO] [stdout]   |     ^^^^^^ help: convert the identifier to upper camel case: `TfIdf`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.28s
[INFO] running `Command { std: "docker" "inspect" "795c8a716961601f22f319c50e7a01d4a16a2a16a22e83bea6a09c646f44ebbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "795c8a716961601f22f319c50e7a01d4a16a2a16a22e83bea6a09c646f44ebbf", kill_on_drop: false }`
[INFO] [stdout] 795c8a716961601f22f319c50e7a01d4a16a2a16a22e83bea6a09c646f44ebbf