[INFO] cloning repository https://github.com/selverob/splitter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/selverob/splitter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fselverob%2Fsplitter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fselverob%2Fsplitter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa899555ca1873a354bec84556d6a8a21cec081d
[INFO] documenting selverob/splitter 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%2Fselverob%2Fsplitter" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/selverob/splitter 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/selverob/splitter
[INFO] finished tweaking git repo https://github.com/selverob/splitter
[INFO] tweaked toml for git repo https://github.com/selverob/splitter written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/selverob/splitter 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 174cb5cbf0b16d7e81df4202dd6a76dfcf8b437de71957de5145bcbd90f109f5
[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" "174cb5cbf0b16d7e81df4202dd6a76dfcf8b437de71957de5145bcbd90f109f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "174cb5cbf0b16d7e81df4202dd6a76dfcf8b437de71957de5145bcbd90f109f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "174cb5cbf0b16d7e81df4202dd6a76dfcf8b437de71957de5145bcbd90f109f5", kill_on_drop: false }`
[INFO] [stdout] 174cb5cbf0b16d7e81df4202dd6a76dfcf8b437de71957de5145bcbd90f109f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 8e48d486ebf219c8956e706193ec67d841651bc21fc1a421a2d0078cdee1328a
[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" "8e48d486ebf219c8956e706193ec67d841651bc21fc1a421a2d0078cdee1328a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking rust_decimal v1.2.1
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling rustyline-derive v0.3.0
[INFO] [stderr]     Checking rustyline v6.0.0
[INFO] [stderr]    Compiling rust_decimal_macro_impls v1.2.1
[INFO] [stderr]     Checking rust_decimal_macros v1.2.1
[INFO] [stderr]  Documenting splitter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.63s
[INFO] running `Command { std: "docker" "inspect" "8e48d486ebf219c8956e706193ec67d841651bc21fc1a421a2d0078cdee1328a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e48d486ebf219c8956e706193ec67d841651bc21fc1a421a2d0078cdee1328a", kill_on_drop: false }`
[INFO] [stdout] 8e48d486ebf219c8956e706193ec67d841651bc21fc1a421a2d0078cdee1328a