[INFO] fetching crate isahc 0.9.8...
[INFO] documenting isahc-0.9.8 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate isahc 0.9.8 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate isahc 0.9.8 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate isahc 0.9.8
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate isahc 0.9.8
[INFO] tweaked toml for crates.io crate isahc 0.9.8 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate isahc 0.9.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f04a7307a35b9e9d25ebeb6ca3e03a781d5a7173a8524fd9143a3eef0b7ef79e
[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" "f04a7307a35b9e9d25ebeb6ca3e03a781d5a7173a8524fd9143a3eef0b7ef79e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f04a7307a35b9e9d25ebeb6ca3e03a781d5a7173a8524fd9143a3eef0b7ef79e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f04a7307a35b9e9d25ebeb6ca3e03a781d5a7173a8524fd9143a3eef0b7ef79e", kill_on_drop: false }`
[INFO] [stdout] f04a7307a35b9e9d25ebeb6ca3e03a781d5a7173a8524fd9143a3eef0b7ef79e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a3a0bd5e8e397f5ff25e6d701f898562a641779d81c346705107383d52790f4
[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" "7a3a0bd5e8e397f5ff25e6d701f898562a641779d81c346705107383d52790f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling curl v0.4.31
[INFO] [stderr]    Compiling isahc v0.9.8 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.34+curl-7.71.1
[INFO] [stderr]     Checking tracing-core v0.1.13
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.9
[INFO] [stderr]     Checking tracing v0.1.18
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking sluice v0.5.2
[INFO] [stderr]  Documenting isahc v0.9.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.74s
[INFO] running `Command { std: "docker" "inspect" "7a3a0bd5e8e397f5ff25e6d701f898562a641779d81c346705107383d52790f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a3a0bd5e8e397f5ff25e6d701f898562a641779d81c346705107383d52790f4", kill_on_drop: false }`
[INFO] [stdout] 7a3a0bd5e8e397f5ff25e6d701f898562a641779d81c346705107383d52790f4