[INFO] cloning repository https://github.com/m-wynn/img_dedup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/m-wynn/img_dedup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-wynn%2Fimg_dedup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-wynn%2Fimg_dedup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0309abf690713d327e7bb4825dbe692b3d207beb
[INFO] documenting m-wynn/img_dedup against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-wynn%2Fimg_dedup" "/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/m-wynn/img_dedup on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/m-wynn/img_dedup
[INFO] finished tweaking git repo https://github.com/m-wynn/img_dedup
[INFO] tweaked toml for git repo https://github.com/m-wynn/img_dedup written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/m-wynn/img_dedup already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99d5342a84bf5185d6aca23830bbc74773345714394371708d9b9b562f557176
[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" "99d5342a84bf5185d6aca23830bbc74773345714394371708d9b9b562f557176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99d5342a84bf5185d6aca23830bbc74773345714394371708d9b9b562f557176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99d5342a84bf5185d6aca23830bbc74773345714394371708d9b9b562f557176", kill_on_drop: false }`
[INFO] [stdout] 99d5342a84bf5185d6aca23830bbc74773345714394371708d9b9b562f557176
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60295263b861c0abc284cb0580cc0d1a22bbbbb2f3b2456cae9db0af61c0a4e8
[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" "60295263b861c0abc284cb0580cc0d1a22bbbbb2f3b2456cae9db0af61c0a4e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling rustdoc-stripper v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking fragile v0.3.0
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking inflate v0.4.4
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling rand v0.6.3
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[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 gdk-pixbuf-sys v0.7.0
[INFO] [stderr]    Compiling cairo-sys-rs 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]     Checking png v0.12.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking time v0.1.41
[INFO] [stderr]     Checking rand_os v0.1.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling gtk-rs-lgpl-docs v0.1.7
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[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 glib v0.6.1
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking pango v0.5.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]    Compiling relm-gen-widget v0.15.0
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]    Compiling relm-derive-common v0.15.0
[INFO] [stderr]     Checking img_hash v2.1.0
[INFO] [stderr]    Compiling relm-derive v0.15.0
[INFO] [stderr]    Compiling relm-attributes v0.15.0
[INFO] [stderr]     Checking relm-core v0.15.0
[INFO] [stderr]     Checking relm-state v0.15.0
[INFO] [stderr]     Checking relm v0.15.0
[INFO] [stderr]  Documenting img_dedup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 38s
[INFO] running `Command { std: "docker" "inspect" "60295263b861c0abc284cb0580cc0d1a22bbbbb2f3b2456cae9db0af61c0a4e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60295263b861c0abc284cb0580cc0d1a22bbbbb2f3b2456cae9db0af61c0a4e8", kill_on_drop: false }`
[INFO] [stdout] 60295263b861c0abc284cb0580cc0d1a22bbbbb2f3b2456cae9db0af61c0a4e8