[INFO] cloning repository https://github.com/apoloval/avionica-zerofs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/apoloval/avionica-zerofs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapoloval%2Favionica-zerofs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapoloval%2Favionica-zerofs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3943885cb29d043b1c5f4c00c6b3b233dc594d7
[INFO] documenting apoloval/avionica-zerofs against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapoloval%2Favionica-zerofs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/apoloval/avionica-zerofs on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/apoloval/avionica-zerofs
[INFO] finished tweaking git repo https://github.com/apoloval/avionica-zerofs
[INFO] tweaked toml for git repo https://github.com/apoloval/avionica-zerofs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/apoloval/avionica-zerofs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c352e3cff79b928be9bfb23475db22ee648673d67e65a6a61fd619e39b4f4f6
[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" "6c352e3cff79b928be9bfb23475db22ee648673d67e65a6a61fd619e39b4f4f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c352e3cff79b928be9bfb23475db22ee648673d67e65a6a61fd619e39b4f4f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c352e3cff79b928be9bfb23475db22ee648673d67e65a6a61fd619e39b4f4f6", kill_on_drop: false }`
[INFO] [stdout] 6c352e3cff79b928be9bfb23475db22ee648673d67e65a6a61fd619e39b4f4f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e3a03bf7a8e28f750f4bc2ea1e6d07a03bc189b1c2282e7a9079442dff73dbb
[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" "6e3a03bf7a8e28f750f4bc2ea1e6d07a03bc189b1c2282e7a9079442dff73dbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking libc v0.2.22
[INFO] [stderr]     Checking serde v1.0.8
[INFO] [stderr]     Checking log v0.3.7
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling metadeps v1.1.1
[INFO] [stderr]     Checking time v0.1.37
[INFO] [stderr]    Compiling zerofs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]     Checking toml v0.1.30
[INFO] [stderr]    Compiling serde_derive v1.0.8
[INFO] [stderr]     Checking log4rs v0.3.3
[INFO] [stderr]     Checking toml v0.4.1
[INFO] [stderr]  Documenting zerofs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.62s
[INFO] running `Command { std: "docker" "inspect" "6e3a03bf7a8e28f750f4bc2ea1e6d07a03bc189b1c2282e7a9079442dff73dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e3a03bf7a8e28f750f4bc2ea1e6d07a03bc189b1c2282e7a9079442dff73dbb", kill_on_drop: false }`
[INFO] [stdout] 6e3a03bf7a8e28f750f4bc2ea1e6d07a03bc189b1c2282e7a9079442dff73dbb