[INFO] fetching crate rpi-mailbox 0.2.0...
[INFO] checking rpi-mailbox-0.2.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate rpi-mailbox 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rpi-mailbox 0.2.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rpi-mailbox 0.2.0
[INFO] finished tweaking crates.io crate rpi-mailbox 0.2.0
[INFO] tweaked toml for crates.io crate rpi-mailbox 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate rpi-mailbox 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e54cebc69c69287ae8f07fdea37b6b65be7d0651bff8bbea07440c916482c40
[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" "8e54cebc69c69287ae8f07fdea37b6b65be7d0651bff8bbea07440c916482c40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e54cebc69c69287ae8f07fdea37b6b65be7d0651bff8bbea07440c916482c40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e54cebc69c69287ae8f07fdea37b6b65be7d0651bff8bbea07440c916482c40", kill_on_drop: false }`
[INFO] [stdout] 8e54cebc69c69287ae8f07fdea37b6b65be7d0651bff8bbea07440c916482c40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fb47911548d8facfb4621d386209b54dc0a2179431bb32800b07f3b9366b6a1
[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" "8fb47911548d8facfb4621d386209b54dc0a2179431bb32800b07f3b9366b6a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking backtrace v0.3.42
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking rpi-mailbox v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.35s
[INFO] running `Command { std: "docker" "inspect" "8fb47911548d8facfb4621d386209b54dc0a2179431bb32800b07f3b9366b6a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fb47911548d8facfb4621d386209b54dc0a2179431bb32800b07f3b9366b6a1", kill_on_drop: false }`
[INFO] [stdout] 8fb47911548d8facfb4621d386209b54dc0a2179431bb32800b07f3b9366b6a1