[INFO] cloning repository https://github.com/nirasan/rust-currency-converter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nirasan/rust-currency-converter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnirasan%2Frust-currency-converter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnirasan%2Frust-currency-converter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b867c7840c41e5ec9483c69a49562d2c9cff3543
[INFO] documenting nirasan/rust-currency-converter 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%2Fnirasan%2Frust-currency-converter" "/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/nirasan/rust-currency-converter 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/nirasan/rust-currency-converter
[INFO] finished tweaking git repo https://github.com/nirasan/rust-currency-converter
[INFO] tweaked toml for git repo https://github.com/nirasan/rust-currency-converter written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/nirasan/rust-currency-converter 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 v0.1.18
[INFO] [stderr]   Downloaded cookie_store v0.5.1
[INFO] [stderr]   Downloaded regex v1.1.5
[INFO] [stderr]   Downloaded unicase v2.3.0
[INFO] [stderr]   Downloaded tokio-sync v0.1.4
[INFO] [stderr]   Downloaded syn v0.15.30
[INFO] [stderr]   Downloaded reqwest v0.9.14
[INFO] [stderr]   Downloaded csv v1.0.6
[INFO] [stderr]   Downloaded csv-core v0.1.5
[INFO] [stderr]   Downloaded libflate v0.1.21
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.13
[INFO] [stderr]   Downloaded hyper v0.12.27
[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] b7df9ddcfd6da0429688e07d72ed206d8ea00d37f028e97458f94b706a118060
[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" "b7df9ddcfd6da0429688e07d72ed206d8ea00d37f028e97458f94b706a118060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7df9ddcfd6da0429688e07d72ed206d8ea00d37f028e97458f94b706a118060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7df9ddcfd6da0429688e07d72ed206d8ea00d37f028e97458f94b706a118060", kill_on_drop: false }`
[INFO] [stdout] b7df9ddcfd6da0429688e07d72ed206d8ea00d37f028e97458f94b706a118060
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 692ddf9b6c9f706b7486b1dbcff52e35d6a68b8f0b73bdb52843792e8b7138bb
[INFO] running `Command { std: "docker" "start" "-a" "692ddf9b6c9f706b7486b1dbcff52e35d6a68b8f0b73bdb52843792e8b7138bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling openssl v0.10.20
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking miniz_oxide v0.2.1
[INFO] [stderr]     Checking encoding_rs v0.8.17
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.43
[INFO] [stderr]     Checking backtrace v0.3.15
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking libflate v0.1.21
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]     Checking zip v0.5.2
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.13
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.18
[INFO] [stderr]     Checking hyper v0.12.27
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking serde_urlencoded v0.5.4
[INFO] [stderr]     Checking csv v1.0.6
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking cookie_store v0.5.1
[INFO] [stderr]     Checking reqwest v0.9.14
[INFO] [stderr]  Documenting rcc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.53s
[INFO] running `Command { std: "docker" "inspect" "692ddf9b6c9f706b7486b1dbcff52e35d6a68b8f0b73bdb52843792e8b7138bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "692ddf9b6c9f706b7486b1dbcff52e35d6a68b8f0b73bdb52843792e8b7138bb", kill_on_drop: false }`
[INFO] [stdout] 692ddf9b6c9f706b7486b1dbcff52e35d6a68b8f0b73bdb52843792e8b7138bb