[INFO] cloning repository https://github.com/mwkroening/stm32f1xx-concurrency-benchmarks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mwkroening/stm32f1xx-concurrency-benchmarks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmwkroening%2Fstm32f1xx-concurrency-benchmarks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmwkroening%2Fstm32f1xx-concurrency-benchmarks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 96f1822f25d0ac756bafe1f344dfa258d10e5852
[INFO] documenting mwkroening/stm32f1xx-concurrency-benchmarks against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmwkroening%2Fstm32f1xx-concurrency-benchmarks" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mwkroening/stm32f1xx-concurrency-benchmarks on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config
[INFO] started tweaking git repo https://github.com/mwkroening/stm32f1xx-concurrency-benchmarks
[INFO] finished tweaking git repo https://github.com/mwkroening/stm32f1xx-concurrency-benchmarks
[INFO] tweaked toml for git repo https://github.com/mwkroening/stm32f1xx-concurrency-benchmarks written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mwkroening/stm32f1xx-concurrency-benchmarks already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/rust-embedded-community/async-on-embedded`
[INFO] [stderr]     Updating git repository `https://github.com/mwkroening/async-stm32f1xx`
[INFO] [stderr]     Updating git repository `https://github.com/japaric/heapless`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded riscv v0.5.6
[INFO] [stderr]   Downloaded stm32f1 v0.11.0
[INFO] [stderr]   Downloaded bare-metal v0.2.4
[INFO] [stderr]   Downloaded stm32f1xx-hal v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0fe4ea9985d3d214c2352288d5a291425e440ff3ccaf9a1904184faf3ebec511
[INFO] running `Command { std: "docker" "start" "-a" "0fe4ea9985d3d214c2352288d5a291425e440ff3ccaf9a1904184faf3ebec511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fe4ea9985d3d214c2352288d5a291425e440ff3ccaf9a1904184faf3ebec511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fe4ea9985d3d214c2352288d5a291425e440ff3ccaf9a1904184faf3ebec511", kill_on_drop: false }`
[INFO] [stdout] 0fe4ea9985d3d214c2352288d5a291425e440ff3ccaf9a1904184faf3ebec511
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7791d2a033ef06331cb3c8cb7ce1901ac32fcc4bc3032c596730abd0089728f7
[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" "7791d2a033ef06331cb3c8cb7ce1901ac32fcc4bc3032c596730abd0089728f7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cortex-m v0.6.2
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]    Compiling cortex-m-rt v0.6.12
[INFO] [stderr]    Compiling stm32f1 v0.11.0
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]    Compiling bare-metal v0.2.4
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking as-slice v0.1.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking aligned v0.3.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]     Checking stm32f1xx-hal v0.6.1
[INFO] [stderr]  Documenting stm32f1xx-concurrency-benchmarks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.85s
[INFO] running `Command { std: "docker" "inspect" "7791d2a033ef06331cb3c8cb7ce1901ac32fcc4bc3032c596730abd0089728f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7791d2a033ef06331cb3c8cb7ce1901ac32fcc4bc3032c596730abd0089728f7", kill_on_drop: false }`
[INFO] [stdout] 7791d2a033ef06331cb3c8cb7ce1901ac32fcc4bc3032c596730abd0089728f7