[INFO] cloning repository https://github.com/christian-blades-cb/hello-blue-pill.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/christian-blades-cb/hello-blue-pill.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristian-blades-cb%2Fhello-blue-pill.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristian-blades-cb%2Fhello-blue-pill.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5480c27eee368bd43598073309462dea714e4d4
[INFO] documenting christian-blades-cb/hello-blue-pill.rs 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%2Fchristian-blades-cb%2Fhello-blue-pill.rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/christian-blades-cb/hello-blue-pill.rs 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-0/source/.cargo/config
[INFO] started tweaking git repo https://github.com/christian-blades-cb/hello-blue-pill.rs
[INFO] finished tweaking git repo https://github.com/christian-blades-cb/hello-blue-pill.rs
[INFO] tweaked toml for git repo https://github.com/christian-blades-cb/hello-blue-pill.rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/christian-blades-cb/hello-blue-pill.rs 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]  Downloading crates ...
[INFO] [stderr]   Downloaded r0 v0.2.2
[INFO] [stderr]   Downloaded embedded-hal v0.2.2
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.1.5
[INFO] [stderr]   Downloaded bare-metal v0.2.4
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.7
[INFO] [stderr]   Downloaded volatile-register v0.2.0
[INFO] [stderr]   Downloaded cortex-m v0.5.8
[INFO] [stderr]   Downloaded stm32f1xx-hal v0.2.0
[INFO] [stderr]   Downloaded panic-semihosting v0.5.1
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.3.2
[INFO] [stderr]   Downloaded nb v0.1.1
[INFO] [stderr]   Downloaded aligned v0.2.0
[INFO] [stderr]   Downloaded embedded-graphics v0.4.5
[INFO] [stderr]   Downloaded stm32f1 v0.6.0
[INFO] [stderr]   Downloaded ssd1306 v0.2.3
[INFO] [stderr]   Downloaded vcell v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 439701a25803aaa2280a9960ad844b0472100bfc8a60202531526a8145cda614
[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" "439701a25803aaa2280a9960ad844b0472100bfc8a60202531526a8145cda614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "439701a25803aaa2280a9960ad844b0472100bfc8a60202531526a8145cda614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "439701a25803aaa2280a9960ad844b0472100bfc8a60202531526a8145cda614", kill_on_drop: false }`
[INFO] [stdout] 439701a25803aaa2280a9960ad844b0472100bfc8a60202531526a8145cda614
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 320cfd371829f8f0d0012dbffc8b52a09346775f2043fd210f33698f1abc4b79
[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" "320cfd371829f8f0d0012dbffc8b52a09346775f2043fd210f33698f1abc4b79", 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] [stderr]    Compiling cortex-m v0.5.8
[INFO] [stderr]     Checking vcell v0.1.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.7
[INFO] [stderr]    Compiling stm32f1 v0.6.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking nb v0.1.1
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]    Compiling ssd1306 v0.2.3
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking embedded-graphics v0.4.5
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling bare-metal v0.2.4
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking embedded-hal v0.2.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.5
[INFO] [stderr]     Checking stm32f1xx-hal v0.2.0
[INFO] [stderr]  Documenting blinky v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.62s
[INFO] running `Command { std: "docker" "inspect" "320cfd371829f8f0d0012dbffc8b52a09346775f2043fd210f33698f1abc4b79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "320cfd371829f8f0d0012dbffc8b52a09346775f2043fd210f33698f1abc4b79", kill_on_drop: false }`
[INFO] [stdout] 320cfd371829f8f0d0012dbffc8b52a09346775f2043fd210f33698f1abc4b79