[INFO] cloning repository https://github.com/AlessioGiambrone/romodoro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlessioGiambrone/romodoro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlessioGiambrone%2Fromodoro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlessioGiambrone%2Fromodoro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb6b8d0c86202ab4cd31f3646b9117fa176dbef2
[INFO] documenting AlessioGiambrone/romodoro against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlessioGiambrone%2Fromodoro" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlessioGiambrone/romodoro on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AlessioGiambrone/romodoro
[INFO] finished tweaking git repo https://github.com/AlessioGiambrone/romodoro
[INFO] tweaked toml for git repo https://github.com/AlessioGiambrone/romodoro written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/AlessioGiambrone/romodoro already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded os_str_bytes v2.3.1
[INFO] [stderr]   Downloaded syn-mid v0.5.0
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.12
[INFO] [stderr]   Downloaded clap_derive v3.0.0-beta.1
[INFO] [stderr]   Downloaded bitflags v0.9.1
[INFO] [stderr]   Downloaded strum v0.8.0
[INFO] [stderr]   Downloaded xml-rs v0.6.1
[INFO] [stderr]   Downloaded hermit-abi v0.1.14
[INFO] [stderr]   Downloaded mac-notification-sys v0.3.0
[INFO] [stderr]   Downloaded winrt-notification v0.2.2
[INFO] [stderr]   Downloaded strum_macros v0.8.0
[INFO] [stderr]   Downloaded indexmap v1.4.0
[INFO] [stderr]   Downloaded libc v0.2.71
[INFO] [stderr]   Downloaded proc-macro-error v0.4.12
[INFO] [stderr]   Downloaded syn v1.0.31
[INFO] [stderr]   Downloaded termcolor v1.1.0
[INFO] [stderr]   Downloaded cc v1.0.54
[INFO] [stderr]   Downloaded clap v3.0.0-beta.1
[INFO] [stderr]   Downloaded atty v0.2.14
[INFO] [stderr]   Downloaded winrt v0.4.0
[INFO] [stderr]   Downloaded dbus v0.8.3
[INFO] [stderr]   Downloaded unicode-segmentation v1.6.0
[INFO] [stderr]   Downloaded objc_id v0.1.1
[INFO] [stderr]   Downloaded objc-foundation v0.1.1
[INFO] [stderr]   Downloaded strsim v0.10.0
[INFO] [stderr]   Downloaded libdbus-sys v0.2.1
[INFO] [stderr]   Downloaded time v0.1.43
[INFO] [stderr]   Downloaded chrono v0.4.11
[INFO] [stderr]   Downloaded notify-rust v4.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8d21dcc0e6c0a41580e983a94091c328adf65acf0e6f565d7b634f6819b1d83
[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" "d8d21dcc0e6c0a41580e983a94091c328adf65acf0e6f565d7b634f6819b1d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8d21dcc0e6c0a41580e983a94091c328adf65acf0e6f565d7b634f6819b1d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8d21dcc0e6c0a41580e983a94091c328adf65acf0e6f565d7b634f6819b1d83", kill_on_drop: false }`
[INFO] [stdout] d8d21dcc0e6c0a41580e983a94091c328adf65acf0e6f565d7b634f6819b1d83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8f9b63a765f5d0656dcd0abcbb5bf0c744015d348f31d6bdce12db4595d74ca
[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" "f8f9b63a765f5d0656dcd0abcbb5bf0c744015d348f31d6bdce12db4595d74ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]     Checking dbus v0.8.3
[INFO] [stderr]     Checking notify-rust v4.0.0
[INFO] [stderr]  Documenting romodoro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.87s
[INFO] running `Command { std: "docker" "inspect" "f8f9b63a765f5d0656dcd0abcbb5bf0c744015d348f31d6bdce12db4595d74ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8f9b63a765f5d0656dcd0abcbb5bf0c744015d348f31d6bdce12db4595d74ca", kill_on_drop: false }`
[INFO] [stdout] f8f9b63a765f5d0656dcd0abcbb5bf0c744015d348f31d6bdce12db4595d74ca