[INFO] fetching crate xu4-hal 0.2.3...
[INFO] checking xu4-hal-0.2.3 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] extracting crate xu4-hal 0.2.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate xu4-hal 0.2.3 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xu4-hal 0.2.3
[INFO] finished tweaking crates.io crate xu4-hal 0.2.3
[INFO] tweaked toml for crates.io crate xu4-hal 0.2.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate xu4-hal 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd3c2dcc1eac76db284d19a0744d74ec844cb495d5e447adf847ea7a06c05aa3
[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" "bd3c2dcc1eac76db284d19a0744d74ec844cb495d5e447adf847ea7a06c05aa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd3c2dcc1eac76db284d19a0744d74ec844cb495d5e447adf847ea7a06c05aa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd3c2dcc1eac76db284d19a0744d74ec844cb495d5e447adf847ea7a06c05aa3", kill_on_drop: false }`
[INFO] [stdout] bd3c2dcc1eac76db284d19a0744d74ec844cb495d5e447adf847ea7a06c05aa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 671a158f9b791e04ecc2adaea809c9bdcdfac0f02432d13a0f0a8acb406df2da
[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" "671a158f9b791e04ecc2adaea809c9bdcdfac0f02432d13a0f0a8acb406df2da", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]     Checking backtrace v0.3.44
[INFO] [stderr]     Checking gpio-cdev v0.2.0
[INFO] [stderr]     Checking xu4-hal v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.23s
[INFO] running `Command { std: "docker" "inspect" "671a158f9b791e04ecc2adaea809c9bdcdfac0f02432d13a0f0a8acb406df2da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "671a158f9b791e04ecc2adaea809c9bdcdfac0f02432d13a0f0a8acb406df2da", kill_on_drop: false }`
[INFO] [stdout] 671a158f9b791e04ecc2adaea809c9bdcdfac0f02432d13a0f0a8acb406df2da