[INFO] cloning repository https://github.com/madprops/Effer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/madprops/Effer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadprops%2FEffer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadprops%2FEffer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bab6e6c4476e9211da0ae6a190be34df91ee52e3
[INFO] documenting madprops/Effer 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%2Fmadprops%2FEffer" "/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/madprops/Effer 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/madprops/Effer
[INFO] finished tweaking git repo https://github.com/madprops/Effer
[INFO] tweaked toml for git repo https://github.com/madprops/Effer written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/madprops/Effer 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] ea33fa24579c54ba08659235d98c0c3f5013f0421fbd7eef8ddc3ebb2c92c529
[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" "ea33fa24579c54ba08659235d98c0c3f5013f0421fbd7eef8ddc3ebb2c92c529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea33fa24579c54ba08659235d98c0c3f5013f0421fbd7eef8ddc3ebb2c92c529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea33fa24579c54ba08659235d98c0c3f5013f0421fbd7eef8ddc3ebb2c92c529", kill_on_drop: false }`
[INFO] [stdout] ea33fa24579c54ba08659235d98c0c3f5013f0421fbd7eef8ddc3ebb2c92c529
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e43143ea6fc42be309cbfede1901305ce4b525ec3badce3736297dd21b1ced79
[INFO] running `Command { std: "docker" "start" "-a" "e43143ea6fc42be309cbfede1901305ce4b525ec3badce3736297dd21b1ced79", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling syn v0.15.43
[INFO] [stderr]     Checking colorsys v0.5.3
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.11
[INFO] [stderr]     Checking shellexpand v1.0.0
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking getrandom v0.1.8
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling filetime v0.2.8
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling libsodium-sys v0.2.5
[INFO] [stderr]     Checking colorskill v1.1.3
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]     Checking rustyline v5.0.1
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]     Checking sodiumoxide v0.2.5
[INFO] [stderr]  Documenting effer v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 23s
[INFO] running `Command { std: "docker" "inspect" "e43143ea6fc42be309cbfede1901305ce4b525ec3badce3736297dd21b1ced79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e43143ea6fc42be309cbfede1901305ce4b525ec3badce3736297dd21b1ced79", kill_on_drop: false }`
[INFO] [stdout] e43143ea6fc42be309cbfede1901305ce4b525ec3badce3736297dd21b1ced79