[INFO] fetching crate piston-button_tracker 0.14.0...
[INFO] testing piston-button_tracker-0.14.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate piston-button_tracker 0.14.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate piston-button_tracker 0.14.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate piston-button_tracker 0.14.0
[INFO] finished tweaking crates.io crate piston-button_tracker 0.14.0
[INFO] tweaked toml for crates.io crate piston-button_tracker 0.14.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", 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] c304bfd012a8551ffa717c0a57ac653c88d30324488716bef83afd1c59074a3d
[INFO] running `Command { std: "docker" "start" "-a" "c304bfd012a8551ffa717c0a57ac653c88d30324488716bef83afd1c59074a3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c304bfd012a8551ffa717c0a57ac653c88d30324488716bef83afd1c59074a3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c304bfd012a8551ffa717c0a57ac653c88d30324488716bef83afd1c59074a3d", kill_on_drop: false }`
[INFO] [stdout] c304bfd012a8551ffa717c0a57ac653c88d30324488716bef83afd1c59074a3d
[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=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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35442b6301058821169e4aa44b36b277200d02dd56b9f0ab357d8226d8bb9afd
[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" "35442b6301058821169e4aa44b36b277200d02dd56b9f0ab357d8226d8bb9afd", kill_on_drop: false }`
[INFO] [stderr]    Compiling piston-button_tracker v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "35442b6301058821169e4aa44b36b277200d02dd56b9f0ab357d8226d8bb9afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35442b6301058821169e4aa44b36b277200d02dd56b9f0ab357d8226d8bb9afd", kill_on_drop: false }`
[INFO] [stdout] 35442b6301058821169e4aa44b36b277200d02dd56b9f0ab357d8226d8bb9afd
[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=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" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0deb8fc23d7137d8d4e34ed88bac3e00c79ac6b2b9f264405b2b393547e9f75b
[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" "0deb8fc23d7137d8d4e34ed88bac3e00c79ac6b2b9f264405b2b393547e9f75b", kill_on_drop: false }`
[INFO] [stderr]    Compiling piston-button_tracker v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "0deb8fc23d7137d8d4e34ed88bac3e00c79ac6b2b9f264405b2b393547e9f75b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0deb8fc23d7137d8d4e34ed88bac3e00c79ac6b2b9f264405b2b393547e9f75b", kill_on_drop: false }`
[INFO] [stdout] 0deb8fc23d7137d8d4e34ed88bac3e00c79ac6b2b9f264405b2b393547e9f75b
[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=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" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 37525fff98fe7d35a77fbbdc63a54c7f9872faa1086632bdd748fb73358da1c1
[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" "37525fff98fe7d35a77fbbdc63a54c7f9872faa1086632bdd748fb73358da1c1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/button_tracker-451792d7ac9fff7e
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests button_tracker
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "37525fff98fe7d35a77fbbdc63a54c7f9872faa1086632bdd748fb73358da1c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37525fff98fe7d35a77fbbdc63a54c7f9872faa1086632bdd748fb73358da1c1", kill_on_drop: false }`
[INFO] [stdout] 37525fff98fe7d35a77fbbdc63a54c7f9872faa1086632bdd748fb73358da1c1
