[INFO] fetching crate epcexplorer 0.1.2...
[INFO] documenting epcexplorer-0.1.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate epcexplorer 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate epcexplorer 0.1.2 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 crates.io crate epcexplorer 0.1.2
[INFO] finished tweaking crates.io crate epcexplorer 0.1.2
[INFO] tweaked toml for crates.io crate epcexplorer 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate epcexplorer 0.1.2 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]  Downloading crates ...
[INFO] [stderr]   Downloaded num-integer v0.1.41
[INFO] [stderr]   Downloaded failure v0.1.5
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.9
[INFO] [stderr]   Downloaded chrono v0.4.9
[INFO] [stderr]   Downloaded itertools v0.8.0
[INFO] [stderr]   Downloaded numtoa v0.1.0
[INFO] [stderr]   Downloaded proc-quote-impl v0.2.2
[INFO] [stderr]   Downloaded proc-quote v0.2.2
[INFO] [stderr]   Downloaded flexi_logger v0.14.4
[INFO] [stderr]   Downloaded yansi v0.5.0
[INFO] [stderr]   Downloaded hex v0.4.0
[INFO] [stderr]   Downloaded pad v0.1.5
[INFO] [stderr]   Downloaded invelion v0.1.2
[INFO] [stderr]   Downloaded ru5102 v0.1.1
[INFO] [stderr]   Downloaded tui v0.6.2
[INFO] [stderr]   Downloaded bincode v1.2.0
[INFO] [stderr]   Downloaded cc v1.0.45
[INFO] [stderr]   Downloaded backtrace v0.3.38
[INFO] [stderr]   Downloaded serde v1.0.101
[INFO] [stderr]   Downloaded backtrace-sys v0.1.31
[INFO] [stderr]   Downloaded crc16 v0.4.0
[INFO] [stderr]   Downloaded bitreader v0.3.2
[INFO] [stderr]   Downloaded num_enum v0.4.1
[INFO] [stderr]   Downloaded derivative v1.0.3
[INFO] [stderr]   Downloaded num_enum_derive v0.4.1
[INFO] [stderr]   Downloaded serial v0.4.0
[INFO] [stderr]   Downloaded cassowary v0.3.0
[INFO] [stderr]   Downloaded gs1 v0.1.4
[INFO] [stderr]   Downloaded bitflags v1.2.0
[INFO] [stderr]   Downloaded failure_derive v0.1.5
[INFO] [stderr]   Downloaded toml v0.5.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.3
[INFO] [stderr]   Downloaded termion v1.5.3
[INFO] [stderr]   Downloaded unicode-segmentation v1.3.0
[INFO] [stderr]   Downloaded serial-windows v0.4.0
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48e41bf5a752ea05b6adb29f3bccf21de7bc9ab1dbf8bb6367358bb0dd52795c
[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" "48e41bf5a752ea05b6adb29f3bccf21de7bc9ab1dbf8bb6367358bb0dd52795c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48e41bf5a752ea05b6adb29f3bccf21de7bc9ab1dbf8bb6367358bb0dd52795c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48e41bf5a752ea05b6adb29f3bccf21de7bc9ab1dbf8bb6367358bb0dd52795c", kill_on_drop: false }`
[INFO] [stdout] 48e41bf5a752ea05b6adb29f3bccf21de7bc9ab1dbf8bb6367358bb0dd52795c
[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" "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] [stdout] f43a79b7751f9bf2e10ce59fb1108602c7830f8cf25b41d3de37111dfb1523d4
[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" "f43a79b7751f9bf2e10ce59fb1108602c7830f8cf25b41d3de37111dfb1523d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling crc16 v0.4.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking yansi v0.5.0
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]     Checking bitreader v0.3.2
[INFO] [stderr]     Checking pad v0.1.5
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling derivative v1.0.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking backtrace-sys v0.1.31
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking backtrace v0.3.38
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]     Checking tui v0.6.2
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking flexi_logger v0.14.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.9
[INFO] [stderr]    Compiling proc-quote-impl v0.2.2
[INFO] [stderr]    Compiling toml v0.5.3
[INFO] [stderr]    Compiling proc-quote v0.2.2
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling num_enum_derive v0.4.1
[INFO] [stderr]     Checking num_enum v0.4.1
[INFO] [stderr]     Checking ru5102 v0.1.1
[INFO] [stderr]     Checking gs1 v0.1.4
[INFO] [stderr]     Checking invelion v0.1.2
[INFO] [stderr]  Documenting epcexplorer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.58s
[INFO] running `Command { std: "docker" "inspect" "f43a79b7751f9bf2e10ce59fb1108602c7830f8cf25b41d3de37111dfb1523d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f43a79b7751f9bf2e10ce59fb1108602c7830f8cf25b41d3de37111dfb1523d4", kill_on_drop: false }`
[INFO] [stdout] f43a79b7751f9bf2e10ce59fb1108602c7830f8cf25b41d3de37111dfb1523d4