[INFO] cloning repository https://github.com/ru-engineering/examples_in_class
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ru-engineering/examples_in_class" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fru-engineering%2Fexamples_in_class", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fru-engineering%2Fexamples_in_class'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1529a222f8844ac36a93259b92e67fe9b0d5c658
[INFO] checking ru-engineering/examples_in_class against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fru-engineering%2Fexamples_in_class" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ru-engineering/examples_in_class on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ru-engineering/examples_in_class
[INFO] finished tweaking git repo https://github.com/ru-engineering/examples_in_class
[INFO] tweaked toml for git repo https://github.com/ru-engineering/examples_in_class written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ru-engineering/examples_in_class already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb927995efa23fdc9d26fb0d39602963e4ad7418c53efc62a0836631833b9a96
[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" "fb927995efa23fdc9d26fb0d39602963e4ad7418c53efc62a0836631833b9a96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb927995efa23fdc9d26fb0d39602963e4ad7418c53efc62a0836631833b9a96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb927995efa23fdc9d26fb0d39602963e4ad7418c53efc62a0836631833b9a96", kill_on_drop: false }`
[INFO] [stdout] fb927995efa23fdc9d26fb0d39602963e4ad7418c53efc62a0836631833b9a96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTFLAGS=--cap-lints=forbid" "-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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] e53145b6ba885231ee9cb5e4ba49beebd9b4c115e6487c1008e094176b6eafff
[INFO] running `Command { std: "docker" "start" "-a" "e53145b6ba885231ee9cb5e4ba49beebd9b4c115e6487c1008e094176b6eafff", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rpi_embedded v0.0.5
[INFO] [stderr]     Checking rust_template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "e53145b6ba885231ee9cb5e4ba49beebd9b4c115e6487c1008e094176b6eafff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e53145b6ba885231ee9cb5e4ba49beebd9b4c115e6487c1008e094176b6eafff", kill_on_drop: false }`
[INFO] [stdout] e53145b6ba885231ee9cb5e4ba49beebd9b4c115e6487c1008e094176b6eafff