[INFO] cloning repository https://github.com/maidsafe/system_uri
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maidsafe/system_uri" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaidsafe%2Fsystem_uri", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaidsafe%2Fsystem_uri'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e6ebd832e8a147b0d5d914d06eb7e2aa6aed5478
[INFO] documenting maidsafe/system_uri 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%2Fmaidsafe%2Fsystem_uri" "/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/maidsafe/system_uri 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/maidsafe/system_uri
[INFO] finished tweaking git repo https://github.com/maidsafe/system_uri
[INFO] tweaked toml for git repo https://github.com/maidsafe/system_uri written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/maidsafe/system_uri 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 winreg v0.4.0
[INFO] [stderr]   Downloaded unwrap v1.2.1
[INFO] [stderr]   Downloaded ktmw32-sys v0.1.1
[INFO] [stderr]   Downloaded jni v0.10.1
[INFO] [stderr]   Downloaded ffi_utils v0.8.0
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a7190c24c85ea9fb46870a4be03f0051ce4e912d27526b0a427bde35c6ecbb74
[INFO] running `Command { std: "docker" "start" "-a" "a7190c24c85ea9fb46870a4be03f0051ce4e912d27526b0a427bde35c6ecbb74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7190c24c85ea9fb46870a4be03f0051ce4e912d27526b0a427bde35c6ecbb74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7190c24c85ea9fb46870a4be03f0051ce4e912d27526b0a427bde35c6ecbb74", kill_on_drop: false }`
[INFO] [stdout] a7190c24c85ea9fb46870a4be03f0051ce4e912d27526b0a427bde35c6ecbb74
[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] cb8066764bc4166f31e3c74899607e6e0c31a6754c4d7f85cbd754d10e8d9ad8
[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" "cb8066764bc4166f31e3c74899607e6e0c31a6754c4d7f85cbd754d10e8d9ad8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.13
[INFO] [stderr]    Compiling same-file v1.0.3
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]    Compiling serde v1.0.75
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking jni-sys v0.3.0
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking unwrap v1.2.1
[INFO] [stderr]     Checking xdg-basedir v1.0.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking log v0.4.4
[INFO] [stderr]     Checking base64 v0.9.2
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]    Compiling walkdir v2.0.1
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]    Compiling jni v0.10.1
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]    Compiling serde_derive v1.0.75
[INFO] [stderr]     Checking backtrace v0.3.4
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking ffi_utils v0.8.0
[INFO] [stderr]  Documenting system_uri v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.50s
[INFO] running `Command { std: "docker" "inspect" "cb8066764bc4166f31e3c74899607e6e0c31a6754c4d7f85cbd754d10e8d9ad8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb8066764bc4166f31e3c74899607e6e0c31a6754c4d7f85cbd754d10e8d9ad8", kill_on_drop: false }`
[INFO] [stdout] cb8066764bc4166f31e3c74899607e6e0c31a6754c4d7f85cbd754d10e8d9ad8