[INFO] cloning repository https://github.com/adzialocha/toy-hypercore
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adzialocha/toy-hypercore" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadzialocha%2Ftoy-hypercore", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadzialocha%2Ftoy-hypercore'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b45ba0fe314cf64fb99d247a0be02403b1e92c11
[INFO] documenting adzialocha/toy-hypercore 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%2Fadzialocha%2Ftoy-hypercore" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adzialocha/toy-hypercore 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/adzialocha/toy-hypercore
[INFO] finished tweaking git repo https://github.com/adzialocha/toy-hypercore
[INFO] tweaked toml for git repo https://github.com/adzialocha/toy-hypercore written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/adzialocha/toy-hypercore 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-hack v0.4.1
[INFO] [stderr]   Downloaded getopts v0.2.18
[INFO] [stderr]   Downloaded block-padding v0.1.3
[INFO] [stderr]   Downloaded data-encoding v2.1.2
[INFO] [stderr]   Downloaded curve25519-dalek v1.1.3
[INFO] [stderr]   Downloaded ed25519-dalek v0.9.1
[INFO] [stderr]   Downloaded proc-macro-hack-impl v0.4.1
[INFO] [stderr]   Downloaded radix_trie v0.1.4
[INFO] [stderr]   Downloaded enum-as-inner v0.2.1
[INFO] [stderr]   Downloaded nibble_vec v0.0.4
[INFO] [stderr]   Downloaded endian-type v0.1.2
[INFO] [stderr]   Downloaded trust-dns-proto v0.7.1
[INFO] [stderr]   Downloaded data-encoding-macro v0.1.6
[INFO] [stderr]   Downloaded trust-dns v0.15.1
[INFO] [stderr]   Downloaded data-encoding-macro-internal v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] c40a1ba8abc9194c6799be5cc677a85c2ef99dba0059a533629350c411c33617
[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" "c40a1ba8abc9194c6799be5cc677a85c2ef99dba0059a533629350c411c33617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c40a1ba8abc9194c6799be5cc677a85c2ef99dba0059a533629350c411c33617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c40a1ba8abc9194c6799be5cc677a85c2ef99dba0059a533629350c411c33617", kill_on_drop: false }`
[INFO] [stdout] c40a1ba8abc9194c6799be5cc677a85c2ef99dba0059a533629350c411c33617
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 02479afe9092b54ffa350e58c412e878cef68d776c01c540158f86d9210097c4
[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" "02479afe9092b54ffa350e58c412e878cef68d776c01c540158f86d9210097c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.1
[INFO] [stderr]    Compiling subtle v2.0.0
[INFO] [stderr]    Compiling data-encoding v2.1.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking tokio-sync v0.1.1
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]     Checking radix_trie v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling generic-array v0.12.0
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking rand_pcg v0.1.1
[INFO] [stderr]     Checking backtrace v0.3.14
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking tokio-executor v0.1.6
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling digest v0.8.0
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking tokio-current-thread v0.1.4
[INFO] [stderr]    Compiling proc-macro-hack v0.4.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking block-buffer v0.7.0
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling curve25519-dalek v1.1.3
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking tokio-io v0.1.11
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.6
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.8
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]     Checking data-encoding-macro v0.1.6
[INFO] [stderr]     Checking tokio-threadpool v0.1.11
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking tokio-fs v0.1.5
[INFO] [stderr]     Checking tokio v0.1.15
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking trust-dns-proto v0.6.3
[INFO] [stderr]     Checking ed25519-dalek v0.9.1
[INFO] [stderr]     Checking trust-dns-proto v0.7.1
[INFO] [stderr]     Checking trust-dns v0.15.1
[INFO] [stderr]  Documenting toy-hypercore v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.71s
[INFO] running `Command { std: "docker" "inspect" "02479afe9092b54ffa350e58c412e878cef68d776c01c540158f86d9210097c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02479afe9092b54ffa350e58c412e878cef68d776c01c540158f86d9210097c4", kill_on_drop: false }`
[INFO] [stdout] 02479afe9092b54ffa350e58c412e878cef68d776c01c540158f86d9210097c4