[INFO] fetching crate max7456 0.1.8...
[INFO] testing max7456-0.1.8 against 1.49.0 for beta-1.50-1
[INFO] extracting crate max7456 0.1.8 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate max7456 0.1.8 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate max7456 0.1.8
[INFO] finished tweaking crates.io crate max7456 0.1.8
[INFO] tweaked toml for crates.io crate max7456 0.1.8 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf18e5939844a641112fd29d3d0436044ea2656036e6003588d03fac358058c8
[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" "cf18e5939844a641112fd29d3d0436044ea2656036e6003588d03fac358058c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf18e5939844a641112fd29d3d0436044ea2656036e6003588d03fac358058c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf18e5939844a641112fd29d3d0436044ea2656036e6003588d03fac358058c8", kill_on_drop: false }`
[INFO] [stdout] cf18e5939844a641112fd29d3d0436044ea2656036e6003588d03fac358058c8
[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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 831a066048ed4a21cdcd3eb662f29f1d58cc871500b54f32bf1e38e1e73eadb3
[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" "831a066048ed4a21cdcd3eb662f29f1d58cc871500b54f32bf1e38e1e73eadb3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling peripheral-register v0.1.4
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.4
[INFO] [stderr]    Compiling max7456 v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "831a066048ed4a21cdcd3eb662f29f1d58cc871500b54f32bf1e38e1e73eadb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "831a066048ed4a21cdcd3eb662f29f1d58cc871500b54f32bf1e38e1e73eadb3", kill_on_drop: false }`
[INFO] [stdout] 831a066048ed4a21cdcd3eb662f29f1d58cc871500b54f32bf1e38e1e73eadb3
[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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7e0bb73caebe2247002565d12b7f0224f5fa55e182ee3adc08815a59145ddac
[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" "f7e0bb73caebe2247002565d12b7f0224f5fa55e182ee3adc08815a59145ddac", kill_on_drop: false }`
[INFO] [stderr]    Compiling max7456 v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "f7e0bb73caebe2247002565d12b7f0224f5fa55e182ee3adc08815a59145ddac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e0bb73caebe2247002565d12b7f0224f5fa55e182ee3adc08815a59145ddac", kill_on_drop: false }`
[INFO] [stdout] f7e0bb73caebe2247002565d12b7f0224f5fa55e182ee3adc08815a59145ddac
[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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1336be28c0db74e62402e107b488401480e2382dd8d6231b2d9880f5ab1a7afd
[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" "1336be28c0db74e62402e107b488401480e2382dd8d6231b2d9880f5ab1a7afd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/max7456-bc433b8b1ee41a43
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test not_null_writer::test::test_non_standard_screen ... ok
[INFO] [stdout] test not_null_writer::test::test_low_address ... ok
[INFO] [stdout] test not_null_writer::test::test_multiple_buffer ... ok
[INFO] [stdout] test character_memory::test::test_write_store_char_operation ... ok
[INFO] [stdout] test not_null_writer::test::test_high_address ... ok
[INFO] [stdout] test not_null_writer::test::test_exactly_one_buffer ... ok
[INFO] [stdout] test not_null_writer::test::test_cross_address ... ok
[INFO] [stdout] test incremental_writer::test::test_functional ... ok
[INFO] [stdout] test not_null_writer::test::test_within_addreess ... ok
[INFO] [stdout] test incremental_writer::test::test_breaks ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests max7456
[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" "1336be28c0db74e62402e107b488401480e2382dd8d6231b2d9880f5ab1a7afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1336be28c0db74e62402e107b488401480e2382dd8d6231b2d9880f5ab1a7afd", kill_on_drop: false }`
[INFO] [stdout] 1336be28c0db74e62402e107b488401480e2382dd8d6231b2d9880f5ab1a7afd