[INFO] cloning repository https://github.com/freiguy1/rust-notes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/freiguy1/rust-notes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffreiguy1%2Frust-notes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffreiguy1%2Frust-notes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 231af253bdd33567fc15978ff74b24fee2ef81a9
[INFO] documenting freiguy1/rust-notes 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%2Ffreiguy1%2Frust-notes" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/freiguy1/rust-notes 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/freiguy1/rust-notes
[INFO] finished tweaking git repo https://github.com/freiguy1/rust-notes
[INFO] tweaked toml for git repo https://github.com/freiguy1/rust-notes written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/freiguy1/rust-notes 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] a0a7bf066f18c8eeb1dfca71cae681c594ae791150eb3f7a25f485fb20fe2c19
[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" "a0a7bf066f18c8eeb1dfca71cae681c594ae791150eb3f7a25f485fb20fe2c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0a7bf066f18c8eeb1dfca71cae681c594ae791150eb3f7a25f485fb20fe2c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0a7bf066f18c8eeb1dfca71cae681c594ae791150eb3f7a25f485fb20fe2c19", kill_on_drop: false }`
[INFO] [stdout] a0a7bf066f18c8eeb1dfca71cae681c594ae791150eb3f7a25f485fb20fe2c19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] d9b4431adcf9eb1ada6687554fb274b8d955abe320b40d62619abbd10ac0762a
[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" "d9b4431adcf9eb1ada6687554fb274b8d955abe320b40d62619abbd10ac0762a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling pulldown-cmark v0.5.3
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking strsim v0.9.2
[INFO] [stderr]    Compiling hashbrown v0.5.1
[INFO] [stderr]     Checking getopts v0.2.19
[INFO] [stderr]     Checking pest v2.1.1
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.8
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling const-random-macro v0.1.3
[INFO] [stderr]     Checking const-random v0.1.3
[INFO] [stderr]     Checking ahash v0.2.6
[INFO] [stderr]     Checking serde v1.0.98
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking handlebars v2.0.1
[INFO] [stderr]  Documenting rust-notes v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.35s
[INFO] running `Command { std: "docker" "inspect" "d9b4431adcf9eb1ada6687554fb274b8d955abe320b40d62619abbd10ac0762a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9b4431adcf9eb1ada6687554fb274b8d955abe320b40d62619abbd10ac0762a", kill_on_drop: false }`
[INFO] [stdout] d9b4431adcf9eb1ada6687554fb274b8d955abe320b40d62619abbd10ac0762a