[INFO] updating cached repository https://github.com/tiborschneider/i3_status_rust
[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] f612704ce26ea46b24cb01f358a0b226db347adb
[INFO] documenting tiborschneider/i3_status_rust against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiborschneider%2Fi3_status_rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tiborschneider/i3_status_rust 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/tiborschneider/i3_status_rust
[INFO] finished tweaking git repo https://github.com/tiborschneider/i3_status_rust
[INFO] tweaked toml for git repo https://github.com/tiborschneider/i3_status_rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/tiborschneider/i3_status_rust 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] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] d13bea1a32cb64cf2c10c7bfa95875c758cd744cbad757504b6221f6b08bd43b
[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" "d13bea1a32cb64cf2c10c7bfa95875c758cd744cbad757504b6221f6b08bd43b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d13bea1a32cb64cf2c10c7bfa95875c758cd744cbad757504b6221f6b08bd43b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d13bea1a32cb64cf2c10c7bfa95875c758cd744cbad757504b6221f6b08bd43b", kill_on_drop: false }`
[INFO] [stdout] d13bea1a32cb64cf2c10c7bfa95875c758cd744cbad757504b6221f6b08bd43b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] f4976962a989f2a43935cb7f134a6498e97cbf34ed16aedf6c3ca40ca4e84344
[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" "f4976962a989f2a43935cb7f134a6498e97cbf34ed16aedf6c3ca40ca4e84344", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking quoted_printable v0.4.2
[INFO] [stderr]    Compiling curl v0.4.30
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]    Compiling battery v0.7.5
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking ascii v0.8.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]     Checking json v0.11.15
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.32+curl-7.70.0
[INFO] [stderr]    Compiling libdbus-sys v0.1.5
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]     Checking encoding_rs v0.8.23
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking openssl-sys v0.9.58
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking dbus v0.5.4
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking uom v0.26.0
[INFO] [stderr]     Checking charset v0.1.2
[INFO] [stderr]     Checking mailparse v0.10.4
[INFO] [stderr]     Checking chrono v0.4.12
[INFO] [stderr]     Checking network-manager v0.11.0
[INFO] [stderr]     Checking alsa v0.2.2
[INFO] [stderr]     Checking systemstat v0.1.5
[INFO] [stderr]     Checking maildir v0.3.4
[INFO] [stderr]  Documenting status-parallel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.20s
[INFO] running `Command { std: "docker" "inspect" "f4976962a989f2a43935cb7f134a6498e97cbf34ed16aedf6c3ca40ca4e84344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4976962a989f2a43935cb7f134a6498e97cbf34ed16aedf6c3ca40ca4e84344", kill_on_drop: false }`
[INFO] [stdout] f4976962a989f2a43935cb7f134a6498e97cbf34ed16aedf6c3ca40ca4e84344