[INFO] fetching crate cargo-external-doc 0.2.0...
[INFO] checking cargo-external-doc-0.2.0 against beta for pr-78714
[INFO] extracting crate cargo-external-doc 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cargo-external-doc 0.2.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-4/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" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] abeb50c1034cd6526a63f058b1d3ec0d26255d5f59026ef747cad616eece5b1f
[INFO] running `Command { std: "docker" "start" "-a" "abeb50c1034cd6526a63f058b1d3ec0d26255d5f59026ef747cad616eece5b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abeb50c1034cd6526a63f058b1d3ec0d26255d5f59026ef747cad616eece5b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abeb50c1034cd6526a63f058b1d3ec0d26255d5f59026ef747cad616eece5b1f", kill_on_drop: false }`
[INFO] [stdout] abeb50c1034cd6526a63f058b1d3ec0d26255d5f59026ef747cad616eece5b1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] feb7b13398e6c9f7c4385551e141c08b848e643451eb11dd94c384f53dc02a05
[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" "feb7b13398e6c9f7c4385551e141c08b848e643451eb11dd94c384f53dc02a05", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking num-traits v0.2.1
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking pest v0.3.3
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking same-file v1.0.5
[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 handlebars v0.22.0
[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 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 9.62s
[INFO] running `Command { std: "docker" "inspect" "feb7b13398e6c9f7c4385551e141c08b848e643451eb11dd94c384f53dc02a05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feb7b13398e6c9f7c4385551e141c08b848e643451eb11dd94c384f53dc02a05", kill_on_drop: false }`
[INFO] [stdout] feb7b13398e6c9f7c4385551e141c08b848e643451eb11dd94c384f53dc02a05