[INFO] updating cached repository https://github.com/vitobasso/rust-synth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7561a9515b2c2ef8d47d282fe8cf147c456f797
[INFO] documenting vitobasso/rust-synth against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitobasso%2Frust-synth" "/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/vitobasso/rust-synth on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vitobasso/rust-synth
[INFO] finished tweaking git repo https://github.com/vitobasso/rust-synth
[INFO] tweaked toml for git repo https://github.com/vitobasso/rust-synth written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/vitobasso/rust-synth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d8cac9ce66e20475b00c2ec103c9d368907733540073877072179dd89fd5e60
[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" "9d8cac9ce66e20475b00c2ec103c9d368907733540073877072179dd89fd5e60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d8cac9ce66e20475b00c2ec103c9d368907733540073877072179dd89fd5e60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d8cac9ce66e20475b00c2ec103c9d368907733540073877072179dd89fd5e60", kill_on_drop: false }`
[INFO] [stdout] 9d8cac9ce66e20475b00c2ec103c9d368907733540073877072179dd89fd5e60
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1abb83588afae3f7d48d9d6c18b65603df7d151babbf27815e2adee772d2451c
[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" "1abb83588afae3f7d48d9d6c18b65603df7d151babbf27815e2adee772d2451c", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
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[INFO] [stderr]    Compiling cc v1.0.25
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[INFO] [stderr]    Compiling khronos_api v2.2.0
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[INFO] [stderr]    Compiling proc-macro2 v0.4.21
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[INFO] [stderr]     Checking rustc-serialize v0.3.24
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[INFO] [stderr]     Checking rustc-demangle v0.1.9
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[INFO] [stderr]    Compiling xml-rs v0.7.0
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[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
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[INFO] [stderr]    Compiling alsa-sys v0.1.2
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[INFO] [stderr]    Compiling wayland-scanner v0.20.12
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking daggy v0.5.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]     Checking tempfile v3.0.4
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking ordered-float v0.5.2
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[INFO] [stderr]    Compiling wayland-client v0.20.12
[INFO] [stderr]    Compiling wayland-protocols v0.20.12
[INFO] [stderr]     Checking rusttype v0.5.2
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[INFO] [stderr]     Checking wayland-sys v0.20.12
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[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking smithay-client-toolkit v0.2.6
[INFO] [stderr]     Checking winit v0.16.2
[INFO] [stderr]    Compiling conrod_derive v0.1.2
[INFO] [stderr]     Checking rimd v0.0.2 (https://github.com/RustAudio/rimd.git#6e623dbc)
[INFO] [stderr]     Checking pistoncore-input v0.21.0
[INFO] [stderr]     Checking conrod v0.61.1
[INFO] [stderr]  Documenting rust-synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 37s
[INFO] running `Command { std: "docker" "inspect" "1abb83588afae3f7d48d9d6c18b65603df7d151babbf27815e2adee772d2451c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1abb83588afae3f7d48d9d6c18b65603df7d151babbf27815e2adee772d2451c", kill_on_drop: false }`
[INFO] [stdout] 1abb83588afae3f7d48d9d6c18b65603df7d151babbf27815e2adee772d2451c