[INFO] fetching crate nfc-device 0.0.0-unreleased...
[INFO] testing nfc-device-0.0.0-unreleased against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate nfc-device 0.0.0-unreleased into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate nfc-device 0.0.0-unreleased on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nfc-device 0.0.0-unreleased
[INFO] finished tweaking crates.io crate nfc-device 0.0.0-unreleased
[INFO] tweaked toml for crates.io crate nfc-device 0.0.0-unreleased written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ad357d81a3af438a9b758653dd0cfc8b7579e0b80137a13f60f3105caaad176
[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" "9ad357d81a3af438a9b758653dd0cfc8b7579e0b80137a13f60f3105caaad176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ad357d81a3af438a9b758653dd0cfc8b7579e0b80137a13f60f3105caaad176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ad357d81a3af438a9b758653dd0cfc8b7579e0b80137a13f60f3105caaad176", kill_on_drop: false }`
[INFO] [stdout] 9ad357d81a3af438a9b758653dd0cfc8b7579e0b80137a13f60f3105caaad176
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--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] 12ac46d246d869530d0987e3861593e03fbd52ec6e0aa320636f4f040f12518e
[INFO] running `Command { std: "docker" "start" "-a" "12ac46d246d869530d0987e3861593e03fbd52ec6e0aa320636f4f040f12518e", kill_on_drop: false }`
[INFO] [stderr]    Compiling nfc-device v0.0.0-unreleased (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "12ac46d246d869530d0987e3861593e03fbd52ec6e0aa320636f4f040f12518e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12ac46d246d869530d0987e3861593e03fbd52ec6e0aa320636f4f040f12518e", kill_on_drop: false }`
[INFO] [stdout] 12ac46d246d869530d0987e3861593e03fbd52ec6e0aa320636f4f040f12518e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--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] a6ea9cdd582cf886ad3ccd1b9a33e1a33f32202ded9dd8c73f628b876834ebab
[INFO] running `Command { std: "docker" "start" "-a" "a6ea9cdd582cf886ad3ccd1b9a33e1a33f32202ded9dd8c73f628b876834ebab", kill_on_drop: false }`
[INFO] [stderr]    Compiling nfc-device v0.0.0-unreleased (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "a6ea9cdd582cf886ad3ccd1b9a33e1a33f32202ded9dd8c73f628b876834ebab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6ea9cdd582cf886ad3ccd1b9a33e1a33f32202ded9dd8c73f628b876834ebab", kill_on_drop: false }`
[INFO] [stdout] a6ea9cdd582cf886ad3ccd1b9a33e1a33f32202ded9dd8c73f628b876834ebab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c27d650c72f7f01a78b3eaf299cb864de894aa0941ea6ba198c7f6e4671dac8
[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" "9c27d650c72f7f01a78b3eaf299cb864de894aa0941ea6ba198c7f6e4671dac8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nfc_device-c82e7320a996b3d1)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests nfc-device
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9c27d650c72f7f01a78b3eaf299cb864de894aa0941ea6ba198c7f6e4671dac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c27d650c72f7f01a78b3eaf299cb864de894aa0941ea6ba198c7f6e4671dac8", kill_on_drop: false }`
[INFO] [stdout] 9c27d650c72f7f01a78b3eaf299cb864de894aa0941ea6ba198c7f6e4671dac8