[INFO] cloning repository https://github.com/jgbyrne/jann
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jgbyrne/jann" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgbyrne%2Fjann", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgbyrne%2Fjann'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa34c444275a47af80d278cd92e52c828716c168
[INFO] documenting jgbyrne/jann against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgbyrne%2Fjann" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jgbyrne/jann 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 git repo https://github.com/jgbyrne/jann
[INFO] finished tweaking git repo https://github.com/jgbyrne/jann
[INFO] tweaked toml for git repo https://github.com/jgbyrne/jann written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jgbyrne/jann already has a lockfile, it will not be regenerated
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 1981983eb9ee4238f8e6c6f4794b28aeda99aa06d56fea725d258963a7536c6c
[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" "1981983eb9ee4238f8e6c6f4794b28aeda99aa06d56fea725d258963a7536c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1981983eb9ee4238f8e6c6f4794b28aeda99aa06d56fea725d258963a7536c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1981983eb9ee4238f8e6c6f4794b28aeda99aa06d56fea725d258963a7536c6c", kill_on_drop: false }`
[INFO] [stdout] 1981983eb9ee4238f8e6c6f4794b28aeda99aa06d56fea725d258963a7536c6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] f2a33b0fd91b0ec48365f0b86d842a62dd8ca2c748eece835767dd559abeb5e6
[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" "f2a33b0fd91b0ec48365f0b86d842a62dd8ca2c748eece835767dd559abeb5e6", kill_on_drop: false }`
[INFO] [stderr]     Checking walkdir v2.1.4
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]  Documenting jann v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `PL_TAG` should have an upper camel case name
[INFO] [stdout]   --> src/com.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     PL_TAG(String, String),
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `PlTag`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PL_STAGE` should have an upper camel case name
[INFO] [stdout]   --> src/com.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     PL_STAGE(String, String),
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `PlStage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DO_STDIN` should have an upper camel case name
[INFO] [stdout]   --> src/com.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     DO_STDIN { switches: Switches },
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `DoStdin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DO_FILE` should have an upper camel case name
[INFO] [stdout]   --> src/com.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     DO_FILE { switches: Switches, file: String },
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `DoFile`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `Command { std: "docker" "inspect" "f2a33b0fd91b0ec48365f0b86d842a62dd8ca2c748eece835767dd559abeb5e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2a33b0fd91b0ec48365f0b86d842a62dd8ca2c748eece835767dd559abeb5e6", kill_on_drop: false }`
[INFO] [stdout] f2a33b0fd91b0ec48365f0b86d842a62dd8ca2c748eece835767dd559abeb5e6