[INFO] cloning repository https://github.com/yusefnapora/ntr_stream
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yusefnapora/ntr_stream" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyusefnapora%2Fntr_stream", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyusefnapora%2Fntr_stream'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58a372ab39ac54f39151885b7cbff0a41caff96f
[INFO] documenting yusefnapora/ntr_stream 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%2Fyusefnapora%2Fntr_stream" "/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/yusefnapora/ntr_stream 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/yusefnapora/ntr_stream
[INFO] finished tweaking git repo https://github.com/yusefnapora/ntr_stream
[INFO] tweaked toml for git repo https://github.com/yusefnapora/ntr_stream written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/yusefnapora/ntr_stream 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 protocol v0.3.4
[INFO] [stderr]   Downloaded protocol-derive v0.3.4
[INFO] [stderr]   Downloaded bus v1.4.1
[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a20c8a0ca289b4a3b920b409c643f6e670cb9f344858ccb53f7c810904af070c
[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" "a20c8a0ca289b4a3b920b409c643f6e670cb9f344858ccb53f7c810904af070c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a20c8a0ca289b4a3b920b409c643f6e670cb9f344858ccb53f7c810904af070c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a20c8a0ca289b4a3b920b409c643f6e670cb9f344858ccb53f7c810904af070c", kill_on_drop: false }`
[INFO] [stdout] a20c8a0ca289b4a3b920b409c643f6e670cb9f344858ccb53f7c810904af070c
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fded8892c7927b95c3d47ffdcd6f592b91eced2a758919d6220f7d6f413b7ae
[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" "1fded8892c7927b95c3d47ffdcd6f592b91eced2a758919d6220f7d6f413b7ae", kill_on_drop: false }`
[INFO] [stderr]     Checking futures v0.1.19
[INFO] [stderr]    Compiling cc v1.0.6
[INFO] [stderr]     Checking smallvec v0.6.0
[INFO] [stderr]     Checking num-traits v0.2.1
[INFO] [stderr]     Checking atomic-option v0.1.2
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]     Checking clap v2.31.1
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking parking_lot_core v0.2.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling libz-sys v1.0.18
[INFO] [stderr]     Checking bus v1.4.1
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]     Checking tokio-executor v0.1.0
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking relay v0.1.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.0
[INFO] [stderr]    Compiling protocol-derive v0.3.4
[INFO] [stderr]     Checking tokio-reactor v0.1.0
[INFO] [stderr]     Checking tokio v0.1.3
[INFO] [stderr]     Checking tokio-core v0.1.15
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking hyper v0.11.24
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking protocol v0.3.4
[INFO] [stderr]  Documenting ntr_stream v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.37s
[INFO] running `Command { std: "docker" "inspect" "1fded8892c7927b95c3d47ffdcd6f592b91eced2a758919d6220f7d6f413b7ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fded8892c7927b95c3d47ffdcd6f592b91eced2a758919d6220f7d6f413b7ae", kill_on_drop: false }`
[INFO] [stdout] 1fded8892c7927b95c3d47ffdcd6f592b91eced2a758919d6220f7d6f413b7ae