[INFO] cloning repository https://github.com/casbin-rs/casbin-flamegraph
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/casbin-rs/casbin-flamegraph" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasbin-rs%2Fcasbin-flamegraph", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasbin-rs%2Fcasbin-flamegraph'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 685056b26062b3519c238b9b9cc02d388cbd783d
[INFO] documenting casbin-rs/casbin-flamegraph 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%2Fcasbin-rs%2Fcasbin-flamegraph" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/casbin-rs/casbin-flamegraph 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/casbin-rs/casbin-flamegraph
[INFO] finished tweaking git repo https://github.com/casbin-rs/casbin-flamegraph
[INFO] tweaked toml for git repo https://github.com/casbin-rs/casbin-flamegraph written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/casbin-rs/casbin-flamegraph 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] [stderr]     Updating git repository `https://github.com/casbin/casbin-rs`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ttl_cache v0.5.1
[INFO] [stderr]   Downloaded ip_network v0.3.4
[INFO] [stderr]   Downloaded rhai v0.11.1
[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94cf910189da7bcca86602f0c17524aae9f6a2b655b4b4e6cff40f5ce00d5bf9
[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" "94cf910189da7bcca86602f0c17524aae9f6a2b655b4b4e6cff40f5ce00d5bf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94cf910189da7bcca86602f0c17524aae9f6a2b655b4b4e6cff40f5ce00d5bf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94cf910189da7bcca86602f0c17524aae9f6a2b655b4b4e6cff40f5ce00d5bf9", kill_on_drop: false }`
[INFO] [stdout] 94cf910189da7bcca86602f0c17524aae9f6a2b655b4b4e6cff40f5ce00d5bf9
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fccb933cc69701f58b1e5fc8dda870fc3f3b630f7960b34861a8871f18355839
[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" "fccb933cc69701f58b1e5fc8dda870fc3f3b630f7960b34861a8871f18355839", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking ip_network v0.3.4
[INFO] [stderr]     Checking ttl_cache v0.5.1
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking rhai v0.11.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling async-trait v0.1.30
[INFO] [stderr]     Checking tokio v0.2.18
[INFO] [stderr]     Checking thiserror v1.0.15
[INFO] [stderr]     Checking casbin v0.5.1 (https://github.com/casbin/casbin-rs#da8f6b04)
[INFO] [stderr]  Documenting casbin-flamegraph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.46s
[INFO] running `Command { std: "docker" "inspect" "fccb933cc69701f58b1e5fc8dda870fc3f3b630f7960b34861a8871f18355839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fccb933cc69701f58b1e5fc8dda870fc3f3b630f7960b34861a8871f18355839", kill_on_drop: false }`
[INFO] [stdout] fccb933cc69701f58b1e5fc8dda870fc3f3b630f7960b34861a8871f18355839