[INFO] fetching crate spark-ser7seg 0.1.0...
[INFO] testing spark-ser7seg-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate spark-ser7seg 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate spark-ser7seg 0.1.0 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 spark-ser7seg 0.1.0
[INFO] finished tweaking crates.io crate spark-ser7seg 0.1.0
[INFO] tweaked toml for crates.io crate spark-ser7seg 0.1.0 written to /workspace/builds/worker-6/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-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9178d049dd6d9371fa414872d0a258abcbcfd75af31db9525792ec8e0c196f0a
[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" "9178d049dd6d9371fa414872d0a258abcbcfd75af31db9525792ec8e0c196f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9178d049dd6d9371fa414872d0a258abcbcfd75af31db9525792ec8e0c196f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9178d049dd6d9371fa414872d0a258abcbcfd75af31db9525792ec8e0c196f0a", kill_on_drop: false }`
[INFO] [stdout] 9178d049dd6d9371fa414872d0a258abcbcfd75af31db9525792ec8e0c196f0a
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 789fbd5fdb9869dc4e648df82c0d19c9dab988ebabf34f9280cac532ed104f06
[INFO] running `Command { std: "docker" "start" "-a" "789fbd5fdb9869dc4e648df82c0d19c9dab988ebabf34f9280cac532ed104f06", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.4
[INFO] [stderr]    Compiling spark-ser7seg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated trait `embedded_hal::digital::OutputPin`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use embedded_hal::digital::OutputPin;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `embedded_hal::digital::OutputPin`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stdout]   --> src/lib.rs:61:14
[INFO] [stdout]    |
[INFO] [stdout] 61 |         CS:  OutputPin,
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `embedded_hal::digital::OutputPin::set_low`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stdout]    --> src/lib.rs:151:18
[INFO] [stdout]     |
[INFO] [stdout] 151 |         self.csn.set_low();
[INFO] [stdout]     |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `embedded_hal::digital::OutputPin::set_high`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stdout]    --> src/lib.rs:158:18
[INFO] [stdout]     |
[INFO] [stdout] 158 |         self.csn.set_high();
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "789fbd5fdb9869dc4e648df82c0d19c9dab988ebabf34f9280cac532ed104f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "789fbd5fdb9869dc4e648df82c0d19c9dab988ebabf34f9280cac532ed104f06", kill_on_drop: false }`
[INFO] [stdout] 789fbd5fdb9869dc4e648df82c0d19c9dab988ebabf34f9280cac532ed104f06
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b55a1c9216eaa89b294d7c4e1a59ea628854e324bf5f6a216fe2860dbbd1ab28
[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" "b55a1c9216eaa89b294d7c4e1a59ea628854e324bf5f6a216fe2860dbbd1ab28", kill_on_drop: false }`
[INFO] [stderr]    Compiling spark-ser7seg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated trait `embedded_hal::digital::OutputPin`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use embedded_hal::digital::OutputPin;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `embedded_hal::digital::OutputPin`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stdout]   --> src/lib.rs:61:14
[INFO] [stdout]    |
[INFO] [stdout] 61 |         CS:  OutputPin,
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `embedded_hal::digital::OutputPin::set_low`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stdout]    --> src/lib.rs:151:18
[INFO] [stdout]     |
[INFO] [stdout] 151 |         self.csn.set_low();
[INFO] [stdout]     |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `embedded_hal::digital::OutputPin::set_high`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stdout]    --> src/lib.rs:158:18
[INFO] [stdout]     |
[INFO] [stdout] 158 |         self.csn.set_high();
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `embedded_hal::digital::OutputPin`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use embedded_hal::digital::OutputPin;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `embedded_hal::digital::OutputPin`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stdout]   --> src/lib.rs:61:14
[INFO] [stdout]    |
[INFO] [stdout] 61 |         CS:  OutputPin,
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `embedded_hal::digital::OutputPin::set_low`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stdout]    --> src/lib.rs:151:18
[INFO] [stdout]     |
[INFO] [stdout] 151 |         self.csn.set_low();
[INFO] [stdout]     |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `embedded_hal::digital::OutputPin::set_high`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stdout]    --> src/lib.rs:158:18
[INFO] [stdout]     |
[INFO] [stdout] 158 |         self.csn.set_high();
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "b55a1c9216eaa89b294d7c4e1a59ea628854e324bf5f6a216fe2860dbbd1ab28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b55a1c9216eaa89b294d7c4e1a59ea628854e324bf5f6a216fe2860dbbd1ab28", kill_on_drop: false }`
[INFO] [stdout] b55a1c9216eaa89b294d7c4e1a59ea628854e324bf5f6a216fe2860dbbd1ab28
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 90c3fe8d8e9f4832ecaac8183d8082b35c03f1741d1e127e2891e7e0f8102796
[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" "90c3fe8d8e9f4832ecaac8183d8082b35c03f1741d1e127e2891e7e0f8102796", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated trait `embedded_hal::digital::OutputPin`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use embedded_hal::digital::OutputPin;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated trait `embedded_hal::digital::OutputPin`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stderr]   --> src/lib.rs:61:14
[INFO] [stderr]    |
[INFO] [stderr] 61 |         CS:  OutputPin,
[INFO] [stderr]    |              ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `embedded_hal::digital::OutputPin::set_low`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stderr]    --> src/lib.rs:151:18
[INFO] [stderr]     |
[INFO] [stderr] 151 |         self.csn.set_low();
[INFO] [stderr]     |                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `embedded_hal::digital::OutputPin::set_high`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stderr]    --> src/lib.rs:158:18
[INFO] [stderr]     |
[INFO] [stderr] 158 |         self.csn.set_high();
[INFO] [stderr]     |                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated trait `embedded_hal::digital::OutputPin`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use embedded_hal::digital::OutputPin;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated trait `embedded_hal::digital::OutputPin`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stderr]   --> src/lib.rs:61:14
[INFO] [stderr]    |
[INFO] [stderr] 61 |         CS:  OutputPin,
[INFO] [stderr]    |              ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `embedded_hal::digital::OutputPin::set_low`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stderr]    --> src/lib.rs:151:18
[INFO] [stderr]     |
[INFO] [stderr] 151 |         self.csn.set_low();
[INFO] [stderr]     |                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `embedded_hal::digital::OutputPin::set_high`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stderr]    --> src/lib.rs:158:18
[INFO] [stderr]     |
[INFO] [stderr] 158 |         self.csn.set_high();
[INFO] [stderr]     |                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/spark_ser7seg-de68a337d52879e9
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests spark-ser7seg
[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" "90c3fe8d8e9f4832ecaac8183d8082b35c03f1741d1e127e2891e7e0f8102796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90c3fe8d8e9f4832ecaac8183d8082b35c03f1741d1e127e2891e7e0f8102796", kill_on_drop: false }`
[INFO] [stdout] 90c3fe8d8e9f4832ecaac8183d8082b35c03f1741d1e127e2891e7e0f8102796