[INFO] cloning repository https://github.com/balena-io-playground/balena-rust-sensehat-base
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/balena-io-playground/balena-rust-sensehat-base" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbalena-io-playground%2Fbalena-rust-sensehat-base", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbalena-io-playground%2Fbalena-rust-sensehat-base'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45194fd42c030e78e17b6a2cf8bb6cf4a84d1ae2
[INFO] checking balena-io-playground/balena-rust-sensehat-base against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbalena-io-playground%2Fbalena-rust-sensehat-base" "/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/balena-io-playground/balena-rust-sensehat-base on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/balena-io-playground/balena-rust-sensehat-base
[INFO] finished tweaking git repo https://github.com/balena-io-playground/balena-rust-sensehat-base
[INFO] tweaked toml for git repo https://github.com/balena-io-playground/balena-rust-sensehat-base written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/balena-io-playground/balena-rust-sensehat-base already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memmap v0.5.2
[INFO] [stderr]   Downloaded framebuffer v0.1.8
[INFO] [stderr]   Downloaded sensehat-screen v0.2.3
[INFO] [stderr]   Downloaded font8x8 v0.2.5
[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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b4c9be9fe38861f52f92441a3a76615bd0754bb3948ab8fd4a673c07652cdca
[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" "7b4c9be9fe38861f52f92441a3a76615bd0754bb3948ab8fd4a673c07652cdca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b4c9be9fe38861f52f92441a3a76615bd0754bb3948ab8fd4a673c07652cdca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b4c9be9fe38861f52f92441a3a76615bd0754bb3948ab8fd4a673c07652cdca", kill_on_drop: false }`
[INFO] [stdout] 7b4c9be9fe38861f52f92441a3a76615bd0754bb3948ab8fd4a673c07652cdca
[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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 563a8282ae56a85f71deaead7937639549488718ac8b0ea957bee5a400de6cc7
[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" "563a8282ae56a85f71deaead7937639549488718ac8b0ea957bee5a400de6cc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking font8x8 v0.2.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling sensehat-screen v0.2.3
[INFO] [stderr]     Checking memmap v0.5.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking framebuffer v0.1.8
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking sensehat-base-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.32s
[INFO] running `Command { std: "docker" "inspect" "563a8282ae56a85f71deaead7937639549488718ac8b0ea957bee5a400de6cc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "563a8282ae56a85f71deaead7937639549488718ac8b0ea957bee5a400de6cc7", kill_on_drop: false }`
[INFO] [stdout] 563a8282ae56a85f71deaead7937639549488718ac8b0ea957bee5a400de6cc7