[INFO] cloning repository https://github.com/drager/httper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drager/httper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrager%2Fhttper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrager%2Fhttper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75914c59a3818c0a34c90b2203222819a54fce10
[INFO] documenting drager/httper against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrager%2Fhttper" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/drager/httper on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/drager/httper
[INFO] finished tweaking git repo https://github.com/drager/httper
[INFO] tweaked toml for git repo https://github.com/drager/httper written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/drager/httper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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] 7bd605472fcd0a3535a1f1818be5a049da9e447836b850842d533716acea6c48
[INFO] running `Command { std: "docker" "start" "-a" "7bd605472fcd0a3535a1f1818be5a049da9e447836b850842d533716acea6c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bd605472fcd0a3535a1f1818be5a049da9e447836b850842d533716acea6c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bd605472fcd0a3535a1f1818be5a049da9e447836b850842d533716acea6c48", kill_on_drop: false }`
[INFO] [stdout] 7bd605472fcd0a3535a1f1818be5a049da9e447836b850842d533716acea6c48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e25c6d45f53e7e383ace070e2b2de190eee286c3512d66ba554466efd6dfca2
[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" "6e25c6d45f53e7e383ace070e2b2de190eee286c3512d66ba554466efd6dfca2", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]     Checking futures v0.1.23
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling pkg-config v0.3.12
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]    Compiling openssl v0.10.10
[INFO] [stderr]     Checking indexmap v1.0.1
[INFO] [stderr]     Checking string v0.1.1
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling native-tls v0.2.0
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]     Checking crossbeam-epoch v0.4.3
[INFO] [stderr]    Compiling openssl-sys v0.9.33
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]    Compiling syn v0.14.5
[INFO] [stderr]     Checking crossbeam-deque v0.3.1
[INFO] [stderr]     Checking bytes v0.4.9
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking mio v0.6.15
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking http v0.1.8
[INFO] [stderr]     Checking tokio-io v0.1.7
[INFO] [stderr]     Checking tokio-executor v0.1.2
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking tokio-timer v0.2.4
[INFO] [stderr]     Checking tokio-threadpool v0.1.5
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking tokio-reactor v0.1.2
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]     Checking tokio-fs v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio-udp v0.1.1
[INFO] [stderr]     Checking tokio v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking h2 v0.1.10
[INFO] [stderr]     Checking hyper v0.12.7
[INFO] [stderr]     Checking serde_json v1.0.24
[INFO] [stderr]     Checking hyper-tls v0.3.0
[INFO] [stderr]  Documenting httper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.58s
[INFO] running `Command { std: "docker" "inspect" "6e25c6d45f53e7e383ace070e2b2de190eee286c3512d66ba554466efd6dfca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e25c6d45f53e7e383ace070e2b2de190eee286c3512d66ba554466efd6dfca2", kill_on_drop: false }`
[INFO] [stdout] 6e25c6d45f53e7e383ace070e2b2de190eee286c3512d66ba554466efd6dfca2