[INFO] updating cached repository https://github.com/myfreeweb/bluethermometer
[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] 3542ed2152c3d816cf43b4c79eaecaacd910090a
[INFO] documenting myfreeweb/bluethermometer against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyfreeweb%2Fbluethermometer" "/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/myfreeweb/bluethermometer on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/.cargo/config
[INFO] started tweaking git repo https://github.com/myfreeweb/bluethermometer
[INFO] finished tweaking git repo https://github.com/myfreeweb/bluethermometer
[INFO] tweaked toml for git repo https://github.com/myfreeweb/bluethermometer written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/myfreeweb/bluethermometer 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] [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-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" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed9253611fa6a3d8e7ccd2848cae4e490f3cf598185affd527b2cb9029ef3112
[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" "ed9253611fa6a3d8e7ccd2848cae4e490f3cf598185affd527b2cb9029ef3112", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed9253611fa6a3d8e7ccd2848cae4e490f3cf598185affd527b2cb9029ef3112", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed9253611fa6a3d8e7ccd2848cae4e490f3cf598185affd527b2cb9029ef3112", kill_on_drop: false }`
[INFO] [stdout] ed9253611fa6a3d8e7ccd2848cae4e490f3cf598185affd527b2cb9029ef3112
[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" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9c778ad55308200a6c000ee3b1db1a520f7954663c07e072eb0227d279549a0
[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" "b9c778ad55308200a6c000ee3b1db1a520f7954663c07e072eb0227d279549a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling cortex-m v0.6.1
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]    Compiling cortex-m-rt v0.6.11
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling heapless v0.5.1
[INFO] [stderr]    Compiling nrf51 v0.7.0 (https://github.com/nrf-rs/nrf51#959fa3ea)
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling fpa v0.1.0
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.5
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling rubble-nrf5x v0.0.3 (https://github.com/myfreeweb/rubble?branch=nrf51-upd#82abe4bd)
[INFO] [stderr]    Compiling fixed v0.5.1
[INFO] [stderr]    Compiling cortex-m-rtfm v0.5.1
[INFO] [stderr]     Checking rtfm-core v0.3.0
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking onewire v0.3.13
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking as-slice v0.1.2
[INFO] [stderr]     Checking aligned v0.3.2
[INFO] [stderr]     Checking panic-semihosting v0.5.3
[INFO] [stderr]     Checking rubble v0.0.3 (https://github.com/myfreeweb/rubble?branch=nrf51-upd#82abe4bd)
[INFO] [stderr]    Compiling rtfm-syntax v0.4.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.7
[INFO] [stderr]    Compiling cortex-m-rtfm-macros v0.5.0
[INFO] [stderr]     Checking nrf51-hal v0.7.1 (https://github.com/myfreeweb/nrf51-hal?branch=for-onewire#fce3f4ea)
[INFO] [stderr]  Documenting bluethermometer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![no_main]
[INFO] [stdout]   | ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![no_main]
[INFO] [stdout]   | ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 2m 52s
[INFO] running `Command { std: "docker" "inspect" "b9c778ad55308200a6c000ee3b1db1a520f7954663c07e072eb0227d279549a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9c778ad55308200a6c000ee3b1db1a520f7954663c07e072eb0227d279549a0", kill_on_drop: false }`
[INFO] [stdout] b9c778ad55308200a6c000ee3b1db1a520f7954663c07e072eb0227d279549a0