[INFO] cloning repository https://github.com/jcouyang/disqus-to-hypothesis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jcouyang/disqus-to-hypothesis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcouyang%2Fdisqus-to-hypothesis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcouyang%2Fdisqus-to-hypothesis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3bad88bcac757e7dfb569c03733b42bf345f1e8c
[INFO] documenting jcouyang/disqus-to-hypothesis 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%2Fjcouyang%2Fdisqus-to-hypothesis" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jcouyang/disqus-to-hypothesis 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/jcouyang/disqus-to-hypothesis
[INFO] finished tweaking git repo https://github.com/jcouyang/disqus-to-hypothesis
[INFO] tweaked toml for git repo https://github.com/jcouyang/disqus-to-hypothesis written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/jcouyang/disqus-to-hypothesis 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] ec71e18b94ad46bbd4e757bb7ca2b0aea457ff44d44b18aad343ce07841a30cf
[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" "ec71e18b94ad46bbd4e757bb7ca2b0aea457ff44d44b18aad343ce07841a30cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec71e18b94ad46bbd4e757bb7ca2b0aea457ff44d44b18aad343ce07841a30cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec71e18b94ad46bbd4e757bb7ca2b0aea457ff44d44b18aad343ce07841a30cf", kill_on_drop: false }`
[INFO] [stdout] ec71e18b94ad46bbd4e757bb7ca2b0aea457ff44d44b18aad343ce07841a30cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 73e26c000333eba777e34d7730a9d7d26aab5856079fb4157db9f573f80a6a24
[INFO] running `Command { std: "docker" "start" "-a" "73e26c000333eba777e34d7730a9d7d26aab5856079fb4157db9f573f80a6a24", kill_on_drop: false }`
[INFO] [stderr]     Checking xml-rs v0.3.6
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]     Checking openssl v0.10.15
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]     Checking tokio-uds v0.2.3
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.8
[INFO] [stderr]     Checking serde-xml-rs v0.2.1
[INFO] [stderr]     Checking serde_urlencoded v0.5.3
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking hyper v0.12.14
[INFO] [stderr]     Checking native-tls v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.4
[INFO] [stderr]  Documenting disqus-to-hypothesis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.14s
[INFO] running `Command { std: "docker" "inspect" "73e26c000333eba777e34d7730a9d7d26aab5856079fb4157db9f573f80a6a24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73e26c000333eba777e34d7730a9d7d26aab5856079fb4157db9f573f80a6a24", kill_on_drop: false }`
[INFO] [stdout] 73e26c000333eba777e34d7730a9d7d26aab5856079fb4157db9f573f80a6a24