[INFO] fetching crate iron_reverse_proxy 0.1.1...
[INFO] documenting iron_reverse_proxy-0.1.1 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate iron_reverse_proxy 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate iron_reverse_proxy 0.1.1 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iron_reverse_proxy 0.1.1
[INFO] finished tweaking crates.io crate iron_reverse_proxy 0.1.1
[INFO] tweaked toml for crates.io crate iron_reverse_proxy 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+394e1b40d264aa6928811919c1124fa248e7d802" "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] b048d2550db301e5ea97040279f1b4177a041790caf40e2bf25b26f1a7e3a590
[INFO] running `Command { std: "docker" "start" "-a" "b048d2550db301e5ea97040279f1b4177a041790caf40e2bf25b26f1a7e3a590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b048d2550db301e5ea97040279f1b4177a041790caf40e2bf25b26f1a7e3a590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b048d2550db301e5ea97040279f1b4177a041790caf40e2bf25b26f1a7e3a590", kill_on_drop: false }`
[INFO] [stdout] b048d2550db301e5ea97040279f1b4177a041790caf40e2bf25b26f1a7e3a590
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 932fac17e5b82409a99b1601b079d6bfa31c9a1bda1b8833c320c0c19abc1df6
[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" "932fac17e5b82409a99b1601b079d6bfa31c9a1bda1b8833c320c0c19abc1df6", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]  Documenting iron_reverse_proxy v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.46s
[INFO] running `Command { std: "docker" "inspect" "932fac17e5b82409a99b1601b079d6bfa31c9a1bda1b8833c320c0c19abc1df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "932fac17e5b82409a99b1601b079d6bfa31c9a1bda1b8833c320c0c19abc1df6", kill_on_drop: false }`
[INFO] [stdout] 932fac17e5b82409a99b1601b079d6bfa31c9a1bda1b8833c320c0c19abc1df6