[INFO] updating cached repository https://github.com/k3d3/Roam
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46ad5b2474881327998af51f011b83fdfa7260b9
[INFO] documenting k3d3/Roam against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk3d3%2FRoam" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/k3d3/Roam on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/k3d3/Roam
[INFO] finished tweaking git repo https://github.com/k3d3/Roam
[INFO] tweaked toml for git repo https://github.com/k3d3/Roam written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/k3d3/Roam already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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-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" "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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7365d929048f018fa37e6ea8792248d284007abfc0160186598d44165c52cb1
[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" "a7365d929048f018fa37e6ea8792248d284007abfc0160186598d44165c52cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7365d929048f018fa37e6ea8792248d284007abfc0160186598d44165c52cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7365d929048f018fa37e6ea8792248d284007abfc0160186598d44165c52cb1", kill_on_drop: false }`
[INFO] [stdout] a7365d929048f018fa37e6ea8792248d284007abfc0160186598d44165c52cb1
[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" "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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ede0f978d77a25a8c1c86b0252f1fa4abbaeb1662486076c5569afd3f2875a30
[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" "ede0f978d77a25a8c1c86b0252f1fa4abbaeb1662486076c5569afd3f2875a30", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking log v0.3.7
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]     Checking serde v0.9.11
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling syn v0.11.9
[INFO] [stderr]     Checking futures v0.1.10
[INFO] [stderr]     Checking base64 v0.4.0
[INFO] [stderr]     Checking net2 v0.2.27
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking term_size v0.2.3
[INFO] [stderr]     Checking clap v2.21.1
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.1
[INFO] [stderr]     Checking mio v0.6.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]    Compiling serde_derive v0.9.11
[INFO] [stderr]     Checking tokio-core v0.1.4
[INFO] [stderr]     Checking tokio-proto v0.1.0
[INFO] [stderr]     Checking serde_json v0.9.9
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]  Documenting roam v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.98s
[INFO] running `Command { std: "docker" "inspect" "ede0f978d77a25a8c1c86b0252f1fa4abbaeb1662486076c5569afd3f2875a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ede0f978d77a25a8c1c86b0252f1fa4abbaeb1662486076c5569afd3f2875a30", kill_on_drop: false }`
[INFO] [stdout] ede0f978d77a25a8c1c86b0252f1fa4abbaeb1662486076c5569afd3f2875a30