[INFO] updating cached repository https://github.com/negamartin/serial-keyboard
[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] b1a110b0189e40c9f0d852469628d5ebc17351e2
[INFO] documenting negamartin/serial-keyboard against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnegamartin%2Fserial-keyboard" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/negamartin/serial-keyboard on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/negamartin/serial-keyboard
[INFO] finished tweaking git repo https://github.com/negamartin/serial-keyboard
[INFO] tweaked toml for git repo https://github.com/negamartin/serial-keyboard written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/negamartin/serial-keyboard already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f36867143bd5add7bf7ba5d2be9eac97766c7a7ec705ae1a2bb3f63f887dee9
[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" "4f36867143bd5add7bf7ba5d2be9eac97766c7a7ec705ae1a2bb3f63f887dee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f36867143bd5add7bf7ba5d2be9eac97766c7a7ec705ae1a2bb3f63f887dee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f36867143bd5add7bf7ba5d2be9eac97766c7a7ec705ae1a2bb3f63f887dee9", kill_on_drop: false }`
[INFO] [stdout] 4f36867143bd5add7bf7ba5d2be9eac97766c7a7ec705ae1a2bb3f63f887dee9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15d654f828129fe806fa4487bbdddb2044fe0f7f004502b6efd5fbce78769798
[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" "15d654f828129fe806fa4487bbdddb2044fe0f7f004502b6efd5fbce78769798", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.13
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.71
[INFO] [stderr]     Checking byteorder v1.2.4
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]    Compiling quote v0.6.5
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling enigo v0.0.12
[INFO] [stderr]    Compiling syn v0.14.7
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking subprocess v0.1.13
[INFO] [stderr]     Checking bytes v0.4.9
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.71
[INFO] [stderr]     Checking serialport v3.0.0
[INFO] [stderr]     Checking serde_json v1.0.24
[INFO] [stderr]  Documenting serial-keyboard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.63s
[INFO] running `Command { std: "docker" "inspect" "15d654f828129fe806fa4487bbdddb2044fe0f7f004502b6efd5fbce78769798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15d654f828129fe806fa4487bbdddb2044fe0f7f004502b6efd5fbce78769798", kill_on_drop: false }`
[INFO] [stdout] 15d654f828129fe806fa4487bbdddb2044fe0f7f004502b6efd5fbce78769798