[INFO] fetching crate tray-item 0.4.0-alpha...
[INFO] documenting tray-item-0.4.0-alpha against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate tray-item 0.4.0-alpha into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate tray-item 0.4.0-alpha 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 tray-item 0.4.0-alpha
[INFO] finished tweaking crates.io crate tray-item 0.4.0-alpha
[INFO] tweaked toml for crates.io crate tray-item 0.4.0-alpha written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate tray-item 0.4.0-alpha 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 libappindicator-sys v0.4.0
[INFO] [stderr]   Downloaded libappindicator v0.5.1
[INFO] [stderr]   Downloaded padlock v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 4b29a764f5ffdc2b690ab23c878b1a90242e5db1812f667915c76c11299cb42c
[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" "4b29a764f5ffdc2b690ab23c878b1a90242e5db1812f667915c76c11299cb42c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b29a764f5ffdc2b690ab23c878b1a90242e5db1812f667915c76c11299cb42c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b29a764f5ffdc2b690ab23c878b1a90242e5db1812f667915c76c11299cb42c", kill_on_drop: false }`
[INFO] [stdout] 4b29a764f5ffdc2b690ab23c878b1a90242e5db1812f667915c76c11299cb42c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 3c62f46d9eb8e3139581e90b4848f5cac12e1b7fc1d57aed35e4a6e645b28eae
[INFO] running `Command { std: "docker" "start" "-a" "3c62f46d9eb8e3139581e90b4848f5cac12e1b7fc1d57aed35e4a6e645b28eae", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.21
[INFO] [stderr]    Compiling gio v0.8.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.8.0
[INFO] [stderr]    Compiling pango v0.8.0
[INFO] [stderr]    Compiling cairo-rs v0.8.1
[INFO] [stderr]    Compiling atk v0.8.0
[INFO] [stderr]    Compiling gdk v0.12.1
[INFO] [stderr]    Compiling gtk v0.8.1
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling gio-sys v0.9.1
[INFO] [stderr]    Compiling pango-sys v0.9.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.2
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.1
[INFO] [stderr]    Compiling atk-sys v0.9.1
[INFO] [stderr]    Compiling gdk-sys v0.9.1
[INFO] [stderr]    Compiling gtk-sys v0.9.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling bindgen v0.52.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.16
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]     Checking pin-project v0.4.16
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]    Compiling libappindicator-sys v0.4.0
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking glib v0.9.3
[INFO] [stderr]     Checking libappindicator v0.5.1
[INFO] [stderr]  Documenting tray-item v0.4.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 57s
[INFO] running `Command { std: "docker" "inspect" "3c62f46d9eb8e3139581e90b4848f5cac12e1b7fc1d57aed35e4a6e645b28eae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c62f46d9eb8e3139581e90b4848f5cac12e1b7fc1d57aed35e4a6e645b28eae", kill_on_drop: false }`
[INFO] [stdout] 3c62f46d9eb8e3139581e90b4848f5cac12e1b7fc1d57aed35e4a6e645b28eae