[INFO] cloning repository https://github.com/emosenkis/lasermidi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emosenkis/lasermidi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femosenkis%2Flasermidi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femosenkis%2Flasermidi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f7594ea6188ddf08be70861ca0e71b81b58db9d
[INFO] documenting emosenkis/lasermidi against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femosenkis%2Flasermidi" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emosenkis/lasermidi 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 git repo https://github.com/emosenkis/lasermidi
[INFO] finished tweaking git repo https://github.com/emosenkis/lasermidi
[INFO] tweaked toml for git repo https://github.com/emosenkis/lasermidi written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/emosenkis/lasermidi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] dda5ea2f5b7e4c12bbb69af2fb00aed921c1950183286cfecaffe472f2a0cbb4
[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" "dda5ea2f5b7e4c12bbb69af2fb00aed921c1950183286cfecaffe472f2a0cbb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dda5ea2f5b7e4c12bbb69af2fb00aed921c1950183286cfecaffe472f2a0cbb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dda5ea2f5b7e4c12bbb69af2fb00aed921c1950183286cfecaffe472f2a0cbb4", kill_on_drop: false }`
[INFO] [stdout] dda5ea2f5b7e4c12bbb69af2fb00aed921c1950183286cfecaffe472f2a0cbb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 69c6530f3001a8129bb364ab1cd994679cf2f0067c35712313e0b8154a8a7e3b
[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" "69c6530f3001a8129bb364ab1cd994679cf2f0067c35712313e0b8154a8a7e3b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking either v1.3.0
[INFO] [stderr]     Checking serde v1.0.19
[INFO] [stderr]     Checking svg v0.5.7
[INFO] [stderr]     Checking num-complex v0.1.40
[INFO] [stderr]    Compiling libz-sys v1.0.18
[INFO] [stderr]    Compiling freetype-sys v0.6.0
[INFO] [stderr]     Checking css-color-parser v0.1.2
[INFO] [stderr]     Checking num-bigint v0.1.40
[INFO] [stderr]     Checking miniz-sys v0.1.10
[INFO] [stderr]     Checking backtrace-sys v0.1.16
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.19
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking backtrace v0.3.3
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking rayon-core v1.2.1
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking freetype-rs v0.16.0
[INFO] [stderr]     Checking num-rational v0.1.40
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking rimd v0.0.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]     Checking image v0.17.0
[INFO] [stderr]     Checking lopdf v0.14.1
[INFO] [stderr]     Checking serde_json v1.0.5
[INFO] [stderr]     Checking docopt v0.8.1
[INFO] [stderr]     Checking printpdf v0.2.1
[INFO] [stderr]  Documenting lasermidi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.90s
[INFO] running `Command { std: "docker" "inspect" "69c6530f3001a8129bb364ab1cd994679cf2f0067c35712313e0b8154a8a7e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69c6530f3001a8129bb364ab1cd994679cf2f0067c35712313e0b8154a8a7e3b", kill_on_drop: false }`
[INFO] [stdout] 69c6530f3001a8129bb364ab1cd994679cf2f0067c35712313e0b8154a8a7e3b