[INFO] fetching crate cargo-external-doc 0.2.0...
[INFO] checking cargo-external-doc-0.2.0 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate cargo-external-doc 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate cargo-external-doc 0.2.0 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-external-doc 0.2.0
[INFO] finished tweaking crates.io crate cargo-external-doc 0.2.0
[INFO] tweaked toml for crates.io crate cargo-external-doc 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate cargo-external-doc 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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-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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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] 42fb12d43492f71644025fdb29d38746f4411bb77274d69958ec12cca7ecc66b
[INFO] running `Command { std: "docker" "start" "-a" "42fb12d43492f71644025fdb29d38746f4411bb77274d69958ec12cca7ecc66b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42fb12d43492f71644025fdb29d38746f4411bb77274d69958ec12cca7ecc66b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42fb12d43492f71644025fdb29d38746f4411bb77274d69958ec12cca7ecc66b", kill_on_drop: false }`
[INFO] [stdout] 42fb12d43492f71644025fdb29d38746f4411bb77274d69958ec12cca7ecc66b
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c3706e748409d2677e1a6052b952f3da9f651782c2485671f22072ed0fe5640
[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" "1c3706e748409d2677e1a6052b952f3da9f651782c2485671f22072ed0fe5640", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking num-traits v0.2.1
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking pest v0.3.3
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]     Checking handlebars v0.22.0
[INFO] [stderr]     Checking serde_json v0.8.6
[INFO] [stderr]     Checking cargo-external-doc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.14s
[INFO] running `Command { std: "docker" "inspect" "1c3706e748409d2677e1a6052b952f3da9f651782c2485671f22072ed0fe5640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c3706e748409d2677e1a6052b952f3da9f651782c2485671f22072ed0fe5640", kill_on_drop: false }`
[INFO] [stdout] 1c3706e748409d2677e1a6052b952f3da9f651782c2485671f22072ed0fe5640