[INFO] cloning repository https://github.com/weather-bot/meow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/weather-bot/meow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweather-bot%2Fmeow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweather-bot%2Fmeow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 615081318333373dd0e9bf33d3b09898adb75e6f
[INFO] documenting weather-bot/meow 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%2Fweather-bot%2Fmeow" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  72% (13/18)   
Checking out files:  77% (14/18)   
Checking out files:  83% (15/18)   
Checking out files:  88% (16/18)   
Checking out files:  94% (17/18)   
Checking out files: 100% (18/18)   
Checking out files: 100% (18/18), done.
[INFO] validating manifest of git repo https://github.com/weather-bot/meow 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/weather-bot/meow
[INFO] finished tweaking git repo https://github.com/weather-bot/meow
[INFO] tweaked toml for git repo https://github.com/weather-bot/meow written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/weather-bot/meow 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] 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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 169c82c6d41296579ea2d2ba44727bb5c36ba843ce9a557575e3c44ed54554ad
[INFO] running `Command { std: "docker" "start" "-a" "169c82c6d41296579ea2d2ba44727bb5c36ba843ce9a557575e3c44ed54554ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "169c82c6d41296579ea2d2ba44727bb5c36ba843ce9a557575e3c44ed54554ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "169c82c6d41296579ea2d2ba44727bb5c36ba843ce9a557575e3c44ed54554ad", kill_on_drop: false }`
[INFO] [stdout] 169c82c6d41296579ea2d2ba44727bb5c36ba843ce9a557575e3c44ed54554ad
[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] 77c5498a57d8fc6c7aa1804cdefffbe1a782751d567940c982c7a362cfd3f14c
[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" "77c5498a57d8fc6c7aa1804cdefffbe1a782751d567940c982c7a362cfd3f14c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.12
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling ryu v0.2.3
[INFO] [stderr]    Compiling serde v1.0.71
[INFO] [stderr]     Checking safe-transmute v0.10.1
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking stb_truetype v0.2.2
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking rusttype v0.7.5
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking png v0.14.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]    Compiling quote v0.6.6
[INFO] [stderr]    Compiling syn v0.14.8
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]     Checking num-rational v0.2.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.71
[INFO] [stderr]     Checking serde_json v1.0.26
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.0
[INFO] [stderr]     Checking imageproc v0.18.0
[INFO] [stderr]  Documenting meow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.16s
[INFO] running `Command { std: "docker" "inspect" "77c5498a57d8fc6c7aa1804cdefffbe1a782751d567940c982c7a362cfd3f14c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77c5498a57d8fc6c7aa1804cdefffbe1a782751d567940c982c7a362cfd3f14c", kill_on_drop: false }`
[INFO] [stdout] 77c5498a57d8fc6c7aa1804cdefffbe1a782751d567940c982c7a362cfd3f14c