[INFO] cloning repository https://github.com/DiscoBiscuit99/yaksay
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DiscoBiscuit99/yaksay" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDiscoBiscuit99%2Fyaksay", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDiscoBiscuit99%2Fyaksay'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13daf4dcdbcb033023f516e8dae610adc33338b3
[INFO] documenting DiscoBiscuit99/yaksay 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%2FDiscoBiscuit99%2Fyaksay" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DiscoBiscuit99/yaksay 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/DiscoBiscuit99/yaksay
[INFO] finished tweaking git repo https://github.com/DiscoBiscuit99/yaksay
[INFO] tweaked toml for git repo https://github.com/DiscoBiscuit99/yaksay written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/DiscoBiscuit99/yaksay 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 586d1d5f3f584f7d046ab9f264c849f5d1c80ecc92a73e2b09b8309cfc6454dc
[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" "586d1d5f3f584f7d046ab9f264c849f5d1c80ecc92a73e2b09b8309cfc6454dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "586d1d5f3f584f7d046ab9f264c849f5d1c80ecc92a73e2b09b8309cfc6454dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "586d1d5f3f584f7d046ab9f264c849f5d1c80ecc92a73e2b09b8309cfc6454dc", kill_on_drop: false }`
[INFO] [stdout] 586d1d5f3f584f7d046ab9f264c849f5d1c80ecc92a73e2b09b8309cfc6454dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0ba327385bce294113dc8759e5a7be58b5cb7a8b2223e167b64eef1f1c72d162
[INFO] running `Command { std: "docker" "start" "-a" "0ba327385bce294113dc8759e5a7be58b5cb7a8b2223e167b64eef1f1c72d162", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking float-cmp v0.6.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking predicates v1.0.4
[INFO] [stderr]     Checking assert_cmd v1.0.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]  Documenting yaksay v1.5.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.42s
[INFO] running `Command { std: "docker" "inspect" "0ba327385bce294113dc8759e5a7be58b5cb7a8b2223e167b64eef1f1c72d162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ba327385bce294113dc8759e5a7be58b5cb7a8b2223e167b64eef1f1c72d162", kill_on_drop: false }`
[INFO] [stdout] 0ba327385bce294113dc8759e5a7be58b5cb7a8b2223e167b64eef1f1c72d162