[INFO] cloning repository https://github.com/Brynbayliss87/peri-rusty
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Brynbayliss87/peri-rusty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrynbayliss87%2Fperi-rusty", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrynbayliss87%2Fperi-rusty'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e77adb1992757429bf63881b488ac4fb7ec58828
[INFO] documenting Brynbayliss87/peri-rusty against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrynbayliss87%2Fperi-rusty" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Brynbayliss87/peri-rusty on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Brynbayliss87/peri-rusty
[INFO] finished tweaking git repo https://github.com/Brynbayliss87/peri-rusty
[INFO] tweaked toml for git repo https://github.com/Brynbayliss87/peri-rusty written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Brynbayliss87/peri-rusty already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bff4137508e78ea76e593966d7ee224e9ceecd47c0bc5ebc77e621691c460a5e
[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" "bff4137508e78ea76e593966d7ee224e9ceecd47c0bc5ebc77e621691c460a5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bff4137508e78ea76e593966d7ee224e9ceecd47c0bc5ebc77e621691c460a5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bff4137508e78ea76e593966d7ee224e9ceecd47c0bc5ebc77e621691c460a5e", kill_on_drop: false }`
[INFO] [stdout] bff4137508e78ea76e593966d7ee224e9ceecd47c0bc5ebc77e621691c460a5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "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] 86f6c30c214b8156fa82bd198c44ff6593e89c5516a7c2b2b982c9395bc3c9fb
[INFO] running `Command { std: "docker" "start" "-a" "86f6c30c214b8156fa82bd198c44ff6593e89c5516a7c2b2b982c9395bc3c9fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking cookie v0.11.1
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking regex v1.2.0
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[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]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking mio-uds v0.6.7
[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]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper v0.12.33
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking webdriver v0.39.0
[INFO] [stderr]     Checking fantoccini v0.11.9
[INFO] [stderr]  Documenting peri-rusty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.65s
[INFO] running `Command { std: "docker" "inspect" "86f6c30c214b8156fa82bd198c44ff6593e89c5516a7c2b2b982c9395bc3c9fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86f6c30c214b8156fa82bd198c44ff6593e89c5516a7c2b2b982c9395bc3c9fb", kill_on_drop: false }`
[INFO] [stdout] 86f6c30c214b8156fa82bd198c44ff6593e89c5516a7c2b2b982c9395bc3c9fb