[INFO] cloning repository https://github.com/JungleMQ/JungleMQ
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JungleMQ/JungleMQ" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJungleMQ%2FJungleMQ", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJungleMQ%2FJungleMQ'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f301f99cc2bf700db6e96de679e17240f0c4181
[INFO] documenting JungleMQ/JungleMQ 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%2FJungleMQ%2FJungleMQ" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JungleMQ/JungleMQ 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/JungleMQ/JungleMQ
[INFO] finished tweaking git repo https://github.com/JungleMQ/JungleMQ
[INFO] tweaked toml for git repo https://github.com/JungleMQ/JungleMQ written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/JungleMQ/JungleMQ 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 gcc v0.3.51
[INFO] [stderr]   Downloaded arrayref v0.3.4
[INFO] [stderr]   Downloaded pkg-config v0.3.12
[INFO] [stderr]   Downloaded synstructure v0.6.1
[INFO] [stderr]   Downloaded failure_derive v0.1.1
[INFO] [stderr]   Downloaded failure v0.1.1
[INFO] [stderr]   Downloaded unreachable v0.1.1
[INFO] [stderr]   Downloaded serde v1.0.70
[INFO] [stderr]   Downloaded ordered-float v0.5.0
[INFO] [stderr]   Downloaded bincode v0.9.2
[INFO] [stderr]   Downloaded lmdb v0.7.2
[INFO] [stderr]   Downloaded rkv v0.3.2
[INFO] [stderr]   Downloaded lmdb-sys v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] e3dd64bda4ef49533b6f87607af097c5c592cf14d5fe29d430c0a28d8ff12da7
[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" "e3dd64bda4ef49533b6f87607af097c5c592cf14d5fe29d430c0a28d8ff12da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3dd64bda4ef49533b6f87607af097c5c592cf14d5fe29d430c0a28d8ff12da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3dd64bda4ef49533b6f87607af097c5c592cf14d5fe29d430c0a28d8ff12da7", kill_on_drop: false }`
[INFO] [stdout] e3dd64bda4ef49533b6f87607af097c5c592cf14d5fe29d430c0a28d8ff12da7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 3dd7a3a3b77cbac12e3162b5742af0ad1a81d259c3b3a6f06c8630d164723e7a
[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" "3dd7a3a3b77cbac12e3162b5742af0ad1a81d259c3b3a6f06c8630d164723e7a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.12
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]     Checking matches v0.1.7
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]     Checking lazy_static v1.0.2
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking arrayref v0.3.4
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling lmdb-sys v0.7.2
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking lmdb v0.7.2
[INFO] [stderr]     Checking bincode v0.9.2
[INFO] [stderr]     Checking rkv v0.3.2
[INFO] [stderr]  Documenting junglemq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.30s
[INFO] running `Command { std: "docker" "inspect" "3dd7a3a3b77cbac12e3162b5742af0ad1a81d259c3b3a6f06c8630d164723e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dd7a3a3b77cbac12e3162b5742af0ad1a81d259c3b3a6f06c8630d164723e7a", kill_on_drop: false }`
[INFO] [stdout] 3dd7a3a3b77cbac12e3162b5742af0ad1a81d259c3b3a6f06c8630d164723e7a