[INFO] cloning repository https://github.com/FauxFaux/rust-tone
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FauxFaux/rust-tone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Frust-tone", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Frust-tone'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3fe0de95843a4d193e8df15e24c3122c89eb3736
[INFO] documenting FauxFaux/rust-tone 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%2FFauxFaux%2Frust-tone" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FauxFaux/rust-tone 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/FauxFaux/rust-tone
[INFO] finished tweaking git repo https://github.com/FauxFaux/rust-tone
[INFO] tweaked toml for git repo https://github.com/FauxFaux/rust-tone written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/FauxFaux/rust-tone 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] ec398d5f82bff149fdb6f0e54246d7fabca94a99ceec9f25a01e2c54940a7972
[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" "ec398d5f82bff149fdb6f0e54246d7fabca94a99ceec9f25a01e2c54940a7972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec398d5f82bff149fdb6f0e54246d7fabca94a99ceec9f25a01e2c54940a7972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec398d5f82bff149fdb6f0e54246d7fabca94a99ceec9f25a01e2c54940a7972", kill_on_drop: false }`
[INFO] [stdout] ec398d5f82bff149fdb6f0e54246d7fabca94a99ceec9f25a01e2c54940a7972
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] a46d9bfc254d2afa2ff46ca995c9ec019d77ca8dbddad853d600465ba88a780d
[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" "a46d9bfc254d2afa2ff46ca995c9ec019d77ca8dbddad853d600465ba88a780d", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling libpulse-sys v1.1.0
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]    Compiling libpulse-simple-sys v1.1.0
[INFO] [stderr]     Checking reexport-proc-macro v1.0.4
[INFO] [stderr]     Checking array-macro v1.0.2
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]     Checking unicode-segmentation v1.2.1
[INFO] [stderr]     Checking xi-unicode v0.1.0
[INFO] [stderr]     Checking enumset v0.3.10
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking log v0.4.2
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]     Checking libpulse-binding v1.2.0
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking backtrace v0.3.8
[INFO] [stderr]     Checking chan v0.1.21
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking libpulse-simple-binding v1.2.0
[INFO] [stderr]     Checking chan-signal v0.3.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling enum-map-derive v0.2.10
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking enum-map v0.2.35
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking cursive v0.8.2
[INFO] [stderr]  Documenting rust-tone v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.46s
[INFO] running `Command { std: "docker" "inspect" "a46d9bfc254d2afa2ff46ca995c9ec019d77ca8dbddad853d600465ba88a780d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a46d9bfc254d2afa2ff46ca995c9ec019d77ca8dbddad853d600465ba88a780d", kill_on_drop: false }`
[INFO] [stdout] a46d9bfc254d2afa2ff46ca995c9ec019d77ca8dbddad853d600465ba88a780d