[INFO] cloning repository https://github.com/887/filer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/887/filer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F887%2Ffiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F887%2Ffiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2dda092ec4fa7f5515450d3db56af9c8a21425af
[INFO] documenting 887/filer 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%2F887%2Ffiler" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/887/filer 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/887/filer
[INFO] finished tweaking git repo https://github.com/887/filer
[INFO] tweaked toml for git repo https://github.com/887/filer written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/887/filer 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 synstructure v0.10.1
[INFO] [stderr]   Downloaded aho-corasick v0.6.9
[INFO] [stderr]   Downloaded cairo-sys-rs v0.7.0
[INFO] [stderr]   Downloaded constant_time_eq v0.1.3
[INFO] [stderr]   Downloaded quote v0.6.10
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.7.0
[INFO] [stderr]   Downloaded gdk-sys v0.7.0
[INFO] [stderr]   Downloaded arrayvec v0.4.10
[INFO] [stderr]   Downloaded backtrace v0.3.13
[INFO] [stderr]   Downloaded pango-sys v0.7.0
[INFO] [stderr]   Downloaded proc-macro2 v0.4.24
[INFO] [stderr]   Downloaded memchr v2.1.2
[INFO] [stderr]   Downloaded blake2-rfc v0.2.18
[INFO] [stderr]   Downloaded failure_derive v0.1.5
[INFO] [stderr]   Downloaded failure v0.1.5
[INFO] [stderr]   Downloaded cfg-if v0.1.6
[INFO] [stderr]   Downloaded nodrop v0.1.13
[INFO] [stderr]   Downloaded cairo-rs v0.5.0
[INFO] [stderr]   Downloaded locale_config v0.2.2
[INFO] [stderr]   Downloaded redox_syscall v0.1.50
[INFO] [stderr]   Downloaded pango v0.5.0
[INFO] [stderr]   Downloaded gdk v0.9.0
[INFO] [stderr]   Downloaded autocfg v0.1.1
[INFO] [stderr]   Downloaded rand v0.4.5
[INFO] [stderr]   Downloaded syn v0.15.24
[INFO] [stderr]   Downloaded argon2rs v0.2.5
[INFO] [stderr]   Downloaded backtrace-sys v0.1.28
[INFO] [stderr]   Downloaded regex-syntax v0.5.6
[INFO] [stderr]   Downloaded gio v0.5.1
[INFO] [stderr]   Downloaded gio-sys v0.7.0
[INFO] [stderr]   Downloaded gdk-pixbuf v0.5.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.13
[INFO] [stderr]   Downloaded regex v0.2.11
[INFO] [stderr]   Downloaded gettext-rs v0.4.1
[INFO] [stderr]   Downloaded fragile v0.3.0
[INFO] [stderr]   Downloaded atk-sys v0.7.0
[INFO] [stderr]   Downloaded glib v0.6.1
[INFO] [stderr]   Downloaded dirs v1.0.4
[INFO] [stderr]   Downloaded redox_users v0.2.0
[INFO] [stderr]   Downloaded libc v0.2.46
[INFO] [stderr]   Downloaded glib-sys v0.7.0
[INFO] [stderr]   Downloaded gettext-sys v0.19.8
[INFO] [stderr]   Downloaded gtk v0.5.0
[INFO] [stderr]   Downloaded gobject-sys v0.7.0
[INFO] [stderr]   Downloaded gtk-sys v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 54205a034cb7289f6fc21cc5f56799c61853a0f13c227eface5f279cb5210a39
[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" "54205a034cb7289f6fc21cc5f56799c61853a0f13c227eface5f279cb5210a39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54205a034cb7289f6fc21cc5f56799c61853a0f13c227eface5f279cb5210a39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54205a034cb7289f6fc21cc5f56799c61853a0f13c227eface5f279cb5210a39", kill_on_drop: false }`
[INFO] [stdout] 54205a034cb7289f6fc21cc5f56799c61853a0f13c227eface5f279cb5210a39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 131f26943b6c86b5cc8ec99b033f98863198d07362224fadd85c0f364788b54c
[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" "131f26943b6c86b5cc8ec99b033f98863198d07362224fadd85c0f364788b54c", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling rustdoc-stripper v0.1.5
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking fragile v0.3.0
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]    Compiling filer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling glib-sys v0.7.0
[INFO] [stderr]    Compiling gobject-sys v0.7.0
[INFO] [stderr]    Compiling gio-sys v0.7.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.7.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.7.0
[INFO] [stderr]    Compiling pango-sys v0.7.0
[INFO] [stderr]    Compiling gdk-sys v0.7.0
[INFO] [stderr]    Compiling atk-sys v0.7.0
[INFO] [stderr]    Compiling gtk-sys v0.7.0
[INFO] [stderr]    Compiling gtk-rs-lgpl-docs v0.1.6
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]    Compiling gettext-sys v0.19.8
[INFO] [stderr]    Compiling gio v0.5.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.5.0
[INFO] [stderr]    Compiling cairo-rs v0.5.0
[INFO] [stderr]    Compiling gdk v0.9.0
[INFO] [stderr]    Compiling gtk v0.5.0
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking glib v0.6.1
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking locale_config v0.2.2
[INFO] [stderr]     Checking pango v0.5.0
[INFO] [stderr]     Checking gettext-rs v0.4.1
[INFO] [stderr]  Documenting filer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6m 06s
[INFO] running `Command { std: "docker" "inspect" "131f26943b6c86b5cc8ec99b033f98863198d07362224fadd85c0f364788b54c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "131f26943b6c86b5cc8ec99b033f98863198d07362224fadd85c0f364788b54c", kill_on_drop: false }`
[INFO] [stdout] 131f26943b6c86b5cc8ec99b033f98863198d07362224fadd85c0f364788b54c