[INFO] cloning repository https://github.com/afnanenayet/twitter-stream
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/afnanenayet/twitter-stream" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fafnanenayet%2Ftwitter-stream", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fafnanenayet%2Ftwitter-stream'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce202fa5f97c3d30c6ccc616f5dec35941828fb3
[INFO] documenting afnanenayet/twitter-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%2Fafnanenayet%2Ftwitter-stream" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/afnanenayet/twitter-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/afnanenayet/twitter-stream
[INFO] finished tweaking git repo https://github.com/afnanenayet/twitter-stream
[INFO] tweaked toml for git repo https://github.com/afnanenayet/twitter-stream written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/afnanenayet/twitter-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 tokio-executor v0.1.8
[INFO] [stderr]   Downloaded structopt-derive v0.3.3
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.6
[INFO] [stderr]   Downloaded regex v1.3.1
[INFO] [stderr]   Downloaded cc v1.0.46
[INFO] [stderr]   Downloaded vcpkg v0.2.7
[INFO] [stderr]   Downloaded string v0.2.1
[INFO] [stderr]   Downloaded futures-cpupool v0.1.8
[INFO] [stderr]   Downloaded tokio-buf v0.1.1
[INFO] [stderr]   Downloaded want v0.2.0
[INFO] [stderr]   Downloaded indexmap v1.3.0
[INFO] [stderr]   Downloaded ct-logs v0.5.1
[INFO] [stderr]   Downloaded sct v0.5.0
[INFO] [stderr]   Downloaded hyper v0.12.35
[INFO] [stderr]   Downloaded tokio-rustls v0.9.4
[INFO] [stderr]   Downloaded subtle v1.0.0
[INFO] [stderr]   Downloaded parking_lot_core v0.6.2
[INFO] [stderr]   Downloaded parking_lot v0.9.0
[INFO] [stderr]   Downloaded rustls v0.15.2
[INFO] [stderr]   Downloaded webpki-roots v0.16.0
[INFO] [stderr]   Downloaded chrono v0.4.9
[INFO] [stderr]   Downloaded syn v1.0.5
[INFO] [stderr]   Downloaded tokio-sync v0.1.7
[INFO] [stderr]   Downloaded tokio-udp v0.1.5
[INFO] [stderr]   Downloaded proc-macro-error v0.2.6
[INFO] [stderr]   Downloaded hyper-rustls v0.16.1
[INFO] [stderr]   Downloaded h2 v0.1.26
[INFO] [stderr]   Downloaded itoa v0.4.4
[INFO] [stderr]   Downloaded serde_json v1.0.41
[INFO] [stderr]   Downloaded serde_json v0.9.10
[INFO] [stderr]   Downloaded untrusted v0.6.2
[INFO] [stderr]   Downloaded schannel v0.1.16
[INFO] [stderr]   Downloaded sha-1 v0.8.1
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.6
[INFO] [stderr]   Downloaded http-body v0.1.0
[INFO] [stderr]   Downloaded tokio-fs v0.1.6
[INFO] [stderr]   Downloaded aho-corasick v0.7.6
[INFO] [stderr]   Downloaded crossbeam-queue v0.1.2
[INFO] [stderr]   Downloaded memoffset v0.5.1
[INFO] [stderr]   Downloaded num_cpus v1.10.1
[INFO] [stderr]   Downloaded ring v0.14.6
[INFO] [stderr]   Downloaded thiserror v1.0.3
[INFO] [stderr]   Downloaded anyhow v1.0.17
[INFO] [stderr]   Downloaded openssl-sys v0.9.52
[INFO] [stderr]   Downloaded thiserror-impl v1.0.3
[INFO] [stderr]   Downloaded mio v0.6.19
[INFO] [stderr]   Downloaded egg-mode v0.13.0
[INFO] [stderr]   Downloaded bytes v0.4.12
[INFO] [stderr]   Downloaded smallvec v0.6.10
[INFO] [stderr]   Downloaded wasi v0.7.0
[INFO] [stderr]   Downloaded security-framework-sys v0.3.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.7.2
[INFO] [stderr]   Downloaded scopeguard v1.0.0
[INFO] [stderr]   Downloaded tokio-io v0.1.12
[INFO] [stderr]   Downloaded tokio v0.1.22
[INFO] [stderr]   Downloaded serde v1.0.101
[INFO] [stderr]   Downloaded http v0.1.19
[INFO] [stderr]   Downloaded openssl v0.10.25
[INFO] [stderr]   Downloaded tokio-timer v0.2.11
[INFO] [stderr]   Downloaded crypto-mac v0.7.0
[INFO] [stderr]   Downloaded hmac v0.7.1
[INFO] [stderr]   Downloaded security-framework v0.3.1
[INFO] [stderr]   Downloaded webpki v0.19.1
[INFO] [stderr]   Downloaded lazy_static v0.2.11
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.16
[INFO] [stderr]   Downloaded pkg-config v0.3.16
[INFO] [stderr]   Downloaded lock_api v0.3.1
[INFO] [stderr]   Downloaded tokio-reactor v0.1.10
[INFO] [stderr]   Downloaded proc-macro2 v1.0.6
[INFO] [stderr]   Downloaded serde_derive v1.0.101
[INFO] [stderr]   Downloaded futures v0.1.29
[INFO] [stderr]   Downloaded getrandom v0.1.13
[INFO] [stderr]   Downloaded mime v0.3.14
[INFO] [stderr]   Downloaded dtoa v0.4.4
[INFO] [stderr]   Downloaded serde_yaml v0.8.11
[INFO] [stderr]   Downloaded unicode-width v0.1.6
[INFO] [stderr]   Downloaded hyper-tls v0.3.2
[INFO] [stderr]   Downloaded rand v0.7.2
[INFO] [stderr]   Downloaded regex-syntax v0.6.12
[INFO] [stderr]   Downloaded block-padding v0.1.4
[INFO] [stderr]   Downloaded utf8-ranges v1.0.4
[INFO] [stderr]   Downloaded serde v0.9.15
[INFO] [stderr]   Downloaded sentiment v0.1.1
[INFO] [stderr]   Downloaded libc v0.2.65
[INFO] [stderr]   Downloaded structopt v0.3.3
[INFO] [stderr]   Downloaded toml v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 383f3d5840871aa7bcde9cbab2fdf008f474ca8a10721d2ed8cccd2c166b487e
[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" "383f3d5840871aa7bcde9cbab2fdf008f474ca8a10721d2ed8cccd2c166b487e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "383f3d5840871aa7bcde9cbab2fdf008f474ca8a10721d2ed8cccd2c166b487e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "383f3d5840871aa7bcde9cbab2fdf008f474ca8a10721d2ed8cccd2c166b487e", kill_on_drop: false }`
[INFO] [stdout] 383f3d5840871aa7bcde9cbab2fdf008f474ca8a10721d2ed8cccd2c166b487e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 385eb0f784adcb6a7c3a0bdc706cb5dc68a38607e3c24ecf002cf1476e77a641
[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" "385eb0f784adcb6a7c3a0bdc706cb5dc68a38607e3c24ecf002cf1476e77a641", kill_on_drop: false }`
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling anyhow v1.0.17
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking sentiment v0.1.1
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking sct v0.5.0
[INFO] [stderr]     Checking webpki v0.19.1
[INFO] [stderr]     Checking ct-logs v0.5.1
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]     Checking webpki-roots v0.16.0
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling thiserror-impl v1.0.3
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]     Checking tokio-rustls v0.9.4
[INFO] [stderr]     Checking hyper-rustls v0.16.1
[INFO] [stderr]     Checking thiserror v1.0.3
[INFO] [stderr]     Checking structopt v0.3.3
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking egg-mode v0.13.0
[INFO] [stderr]  Documenting token-coding-challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "385eb0f784adcb6a7c3a0bdc706cb5dc68a38607e3c24ecf002cf1476e77a641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "385eb0f784adcb6a7c3a0bdc706cb5dc68a38607e3c24ecf002cf1476e77a641", kill_on_drop: false }`
[INFO] [stdout] 385eb0f784adcb6a7c3a0bdc706cb5dc68a38607e3c24ecf002cf1476e77a641