[INFO] fetching crate cargo-external-doc 0.2.0...
[INFO] checking cargo-external-doc-0.2.0 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate cargo-external-doc 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cargo-external-doc 0.2.0 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cfg-if v0.1.2
[INFO] [stderr]   Downloaded num-traits v0.2.1
[INFO] [stderr]   Downloaded bitflags v1.0.1
[INFO] [stderr]   Downloaded rand v0.3.22
[INFO] [stderr]   Downloaded handlebars v0.22.0
[INFO] [stderr]   Downloaded libc v0.2.39
[INFO] [stderr]   Downloaded quick-error v1.2.1
[INFO] [stderr]   Downloaded redox_syscall v0.1.37
[INFO] [stderr]   Downloaded tempfile v2.2.0
[INFO] [stderr]   Downloaded rand v0.4.2
[INFO] [stderr]   Downloaded log v0.4.1
[INFO] [stderr]   Downloaded winapi v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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] d75d2cd8c2c8469fe1c592eede08cfe553601603d12cdfe748155f8bba0c20f3
[INFO] running `Command { std: "docker" "start" "-a" "d75d2cd8c2c8469fe1c592eede08cfe553601603d12cdfe748155f8bba0c20f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d75d2cd8c2c8469fe1c592eede08cfe553601603d12cdfe748155f8bba0c20f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d75d2cd8c2c8469fe1c592eede08cfe553601603d12cdfe748155f8bba0c20f3", kill_on_drop: false }`
[INFO] [stdout] d75d2cd8c2c8469fe1c592eede08cfe553601603d12cdfe748155f8bba0c20f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 1da80bea0035c6ca10cf25f9f9fe1474b93f995aa54415afda0f19b23d4d2298
[INFO] running `Command { std: "docker" "start" "-a" "1da80bea0035c6ca10cf25f9f9fe1474b93f995aa54415afda0f19b23d4d2298", 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 pest v0.3.3
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking serde v0.8.23
[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 11.04s
[INFO] running `Command { std: "docker" "inspect" "1da80bea0035c6ca10cf25f9f9fe1474b93f995aa54415afda0f19b23d4d2298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1da80bea0035c6ca10cf25f9f9fe1474b93f995aa54415afda0f19b23d4d2298", kill_on_drop: false }`
[INFO] [stdout] 1da80bea0035c6ca10cf25f9f9fe1474b93f995aa54415afda0f19b23d4d2298