[INFO] cloning repository https://github.com/sile/nasbench-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sile/nasbench-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsile%2Fnasbench-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsile%2Fnasbench-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40789a7e07b2d0c62a2cbf58a25a6f936c214537
[INFO] documenting sile/nasbench-rs 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%2Fsile%2Fnasbench-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sile/nasbench-rs 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/sile/nasbench-rs
[INFO] finished tweaking git repo https://github.com/sile/nasbench-rs
[INFO] tweaked toml for git repo https://github.com/sile/nasbench-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/sile/nasbench-rs 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]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.5
[INFO] [stderr]   Downloaded syn-mid v0.4.0
[INFO] [stderr]   Downloaded structopt v0.3.8
[INFO] [stderr]   Downloaded proc-macro-error v0.4.5
[INFO] [stderr]   Downloaded structopt-derive v0.4.1
[INFO] [stderr]   Downloaded protobuf_codec v0.2.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ccfb7114f0e1ea4b7386c1932ae10688bc64fa28e4f16e347b86412caf64761c
[INFO] running `Command { std: "docker" "start" "-a" "ccfb7114f0e1ea4b7386c1932ae10688bc64fa28e4f16e347b86412caf64761c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccfb7114f0e1ea4b7386c1932ae10688bc64fa28e4f16e347b86412caf64761c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccfb7114f0e1ea4b7386c1932ae10688bc64fa28e4f16e347b86412caf64761c", kill_on_drop: false }`
[INFO] [stdout] ccfb7114f0e1ea4b7386c1932ae10688bc64fa28e4f16e347b86412caf64761c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 77e15a61794cf6b052180e2c588eb85bf576f833cb59d53fe0d256c6cd9abe9a
[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" "77e15a61794cf6b052180e2c588eb85bf576f833cb59d53fe0d256c6cd9abe9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling syn-mid v0.4.0
[INFO] [stderr]    Compiling trackable_derive v0.1.2
[INFO] [stderr]     Checking serde_json v1.0.45
[INFO] [stderr]     Checking trackable v0.2.23
[INFO] [stderr]     Checking bytecodec v0.4.13
[INFO] [stderr]    Compiling proc-macro-error v0.4.5
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.5
[INFO] [stderr]     Checking protobuf_codec v0.2.8
[INFO] [stderr]    Compiling structopt-derive v0.4.1
[INFO] [stderr]     Checking structopt v0.3.8
[INFO] [stderr]  Documenting nasbench v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.34s
[INFO] running `Command { std: "docker" "inspect" "77e15a61794cf6b052180e2c588eb85bf576f833cb59d53fe0d256c6cd9abe9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77e15a61794cf6b052180e2c588eb85bf576f833cb59d53fe0d256c6cd9abe9a", kill_on_drop: false }`
[INFO] [stdout] 77e15a61794cf6b052180e2c588eb85bf576f833cb59d53fe0d256c6cd9abe9a