[INFO] cloning repository https://github.com/Twinklebear/tray_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Twinklebear/tray_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTwinklebear%2Ftray_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTwinklebear%2Ftray_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a3ae09a7e42e9837e09012bc3318a07c3c49bd7
[INFO] documenting Twinklebear/tray_rust 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%2FTwinklebear%2Ftray_rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Twinklebear/tray_rust 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/Twinklebear/tray_rust
[INFO] finished tweaking git repo https://github.com/Twinklebear/tray_rust
[INFO] tweaked toml for git repo https://github.com/Twinklebear/tray_rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Twinklebear/tray_rust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] b6d6e45c1d8a456900a87566b5ba6265669f7b6a419c285c506cfca9dc5c56c5
[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" "b6d6e45c1d8a456900a87566b5ba6265669f7b6a419c285c506cfca9dc5c56c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6d6e45c1d8a456900a87566b5ba6265669f7b6a419c285c506cfca9dc5c56c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6d6e45c1d8a456900a87566b5ba6265669f7b6a419c285c506cfca9dc5c56c5", kill_on_drop: false }`
[INFO] [stdout] b6d6e45c1d8a456900a87566b5ba6265669f7b6a419c285c506cfca9dc5c56c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 7dcd7bb1197b045e4fdbdfb11fdbba76556cb42f82d09e556cccc8adce969baf
[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" "7dcd7bb1197b045e4fdbdfb11fdbba76556cb42f82d09e556cccc8adce969baf", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.42
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]     Checking slab v0.1.3
[INFO] [stderr]     Checking bytes v0.3.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.8
[INFO] [stderr]     Checking light_arena v1.0.1
[INFO] [stderr]     Checking enum-set v0.0.7
[INFO] [stderr]     Checking bspline v0.2.2
[INFO] [stderr]     Checking tobj v0.1.6
[INFO] [stderr]     Checking rand v0.3.20
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking inflate v0.3.3
[INFO] [stderr]     Checking deflate v0.7.17
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking bincode v0.9.2
[INFO] [stderr]     Checking regex v0.2.5
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]     Checking miow v0.1.5
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking num-complex v0.1.41
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking serde_json v1.0.9
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num-bigint v0.1.41
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking docopt v0.8.3
[INFO] [stderr]     Checking num-rational v0.1.41
[INFO] [stderr]     Checking mio v0.5.1
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]     Checking la v0.2.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]  Documenting tray_rust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.73s
[INFO] running `Command { std: "docker" "inspect" "7dcd7bb1197b045e4fdbdfb11fdbba76556cb42f82d09e556cccc8adce969baf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dcd7bb1197b045e4fdbdfb11fdbba76556cb42f82d09e556cccc8adce969baf", kill_on_drop: false }`
[INFO] [stdout] 7dcd7bb1197b045e4fdbdfb11fdbba76556cb42f82d09e556cccc8adce969baf