[INFO] cloning 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" "clone" "--bare" "https://github.com/tiborschneider/i3_status_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiborschneider%2Fi3_status_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiborschneider%2Fi3_status_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f612704ce26ea46b24cb01f358a0b226db347adb
[INFO] documenting tiborschneider/i3_status_rust against beta-2020-08-29 for beta-1.47-rustdoc-1
[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 beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "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" "+beta-2020-08-29" "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[INFO] the lockfile is outdated, regenerating it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" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded charset v0.1.2
[INFO] [stderr]   Downloaded network-manager v0.11.0
[INFO] [stderr]   Downloaded battery v0.7.6
[INFO] [stderr]   Downloaded uom v0.29.0
[INFO] [stderr]   Downloaded json v0.11.15
[INFO] [stderr]   Downloaded quoted_printable v0.4.2
[INFO] [stderr]   Downloaded mailparse v0.10.4
[INFO] [stderr]   Downloaded dbus v0.5.4
[INFO] [stderr]   Downloaded maildir v0.3.4
[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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "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] 529ea1d79d582fcffcc2e6fa05977365317a94f9d6296184d1f8f1789b2891ed
[INFO] running `Command { std: "docker" "start" "-a" "529ea1d79d582fcffcc2e6fa05977365317a94f9d6296184d1f8f1789b2891ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "529ea1d79d582fcffcc2e6fa05977365317a94f9d6296184d1f8f1789b2891ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "529ea1d79d582fcffcc2e6fa05977365317a94f9d6296184d1f8f1789b2891ed", kill_on_drop: false }`
[INFO] [stdout] 529ea1d79d582fcffcc2e6fa05977365317a94f9d6296184d1f8f1789b2891ed
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] 7dcfe342110b49df19416d9ff52ca4fd4e13db8de502bc6f3bfe5b9dda69ca18
[INFO] running `Command { std: "docker" "start" "-a" "7dcfe342110b49df19416d9ff52ca4fd4e13db8de502bc6f3bfe5b9dda69ca18", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]    Compiling battery v0.7.6
[INFO] [stderr]     Checking quoted_printable v0.4.2
[INFO] [stderr]    Compiling curl v0.4.33
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking ascii v0.8.7
[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 v1.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling libdbus-sys v0.1.5
[INFO] [stderr]    Compiling curl-sys v0.4.36+curl-7.71.1
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking dbus v0.5.4
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking uom v0.29.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking charset v0.1.2
[INFO] [stderr]     Checking mailparse v0.10.4
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking systemstat v0.1.5
[INFO] [stderr]     Checking network-manager v0.11.0
[INFO] [stderr]     Checking alsa v0.2.2
[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 1m 09s
[INFO] running `Command { std: "docker" "inspect" "7dcfe342110b49df19416d9ff52ca4fd4e13db8de502bc6f3bfe5b9dda69ca18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dcfe342110b49df19416d9ff52ca4fd4e13db8de502bc6f3bfe5b9dda69ca18", kill_on_drop: false }`
[INFO] [stdout] 7dcfe342110b49df19416d9ff52ca4fd4e13db8de502bc6f3bfe5b9dda69ca18