[INFO] fetching crate segment-display 0.1.0...
[INFO] testing segment-display-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate segment-display 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate segment-display 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 segment-display 0.1.0
[INFO] finished tweaking crates.io crate segment-display 0.1.0
[INFO] tweaked toml for crates.io crate segment-display 0.1.0 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fd6add1860e9e3f505308ce5fb52cb2d4d5b794e7640ad6fb63d5ae6fe3452dc
[INFO] running `Command { std: "docker" "start" "-a" "fd6add1860e9e3f505308ce5fb52cb2d4d5b794e7640ad6fb63d5ae6fe3452dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd6add1860e9e3f505308ce5fb52cb2d4d5b794e7640ad6fb63d5ae6fe3452dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd6add1860e9e3f505308ce5fb52cb2d4d5b794e7640ad6fb63d5ae6fe3452dc", kill_on_drop: false }`
[INFO] [stdout] fd6add1860e9e3f505308ce5fb52cb2d4d5b794e7640ad6fb63d5ae6fe3452dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7ddd10217004679c28c893498c2513df7207118329924393c49c28202a36bca3
[INFO] running `Command { std: "docker" "start" "-a" "7ddd10217004679c28c893498c2513df7207118329924393c49c28202a36bca3", 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 segment-display 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:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | 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:80:10
[INFO] [stdout]    |
[INFO] [stdout] 80 |     PIN: 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:109:24
[INFO] [stdout]     |
[INFO] [stdout] 109 |         self.latch_pin.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:111:24
[INFO] [stdout]     |
[INFO] [stdout] 111 |         self.latch_pin.set_high();
[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:129:24
[INFO] [stdout]     |
[INFO] [stdout] 129 |         self.latch_pin.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:132:24
[INFO] [stdout]     |
[INFO] [stdout] 132 |         self.latch_pin.set_high();
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "7ddd10217004679c28c893498c2513df7207118329924393c49c28202a36bca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ddd10217004679c28c893498c2513df7207118329924393c49c28202a36bca3", kill_on_drop: false }`
[INFO] [stdout] 7ddd10217004679c28c893498c2513df7207118329924393c49c28202a36bca3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 100e03f4c2576de28872484f536d1fc378ba35625862e398a8a35a2bfd0d363a
[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" "100e03f4c2576de28872484f536d1fc378ba35625862e398a8a35a2bfd0d363a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | 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:80:10
[INFO] [stdout]    |
[INFO] [stdout] 80 |     PIN: 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:109:24
[INFO] [stdout]     |
[INFO] [stdout] 109 |         self.latch_pin.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:111:24
[INFO] [stdout]     |
[INFO] [stdout] 111 |         self.latch_pin.set_high();
[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:129:24
[INFO] [stdout]     |
[INFO] [stdout] 129 |         self.latch_pin.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:132:24
[INFO] [stdout]     |
[INFO] [stdout] 132 |         self.latch_pin.set_high();
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling segment-display 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:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | 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:80:10
[INFO] [stdout]    |
[INFO] [stdout] 80 |     PIN: 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:109:24
[INFO] [stdout]     |
[INFO] [stdout] 109 |         self.latch_pin.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:111:24
[INFO] [stdout]     |
[INFO] [stdout] 111 |         self.latch_pin.set_high();
[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:129:24
[INFO] [stdout]     |
[INFO] [stdout] 129 |         self.latch_pin.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:132:24
[INFO] [stdout]     |
[INFO] [stdout] 132 |         self.latch_pin.set_high();
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "100e03f4c2576de28872484f536d1fc378ba35625862e398a8a35a2bfd0d363a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "100e03f4c2576de28872484f536d1fc378ba35625862e398a8a35a2bfd0d363a", kill_on_drop: false }`
[INFO] [stdout] 100e03f4c2576de28872484f536d1fc378ba35625862e398a8a35a2bfd0d363a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d14c2a69971431b36a07b34956c07439d30f9ecb1887f6ca8bc265e6b92c3f1d
[INFO] running `Command { std: "docker" "start" "-a" "d14c2a69971431b36a07b34956c07439d30f9ecb1887f6ca8bc265e6b92c3f1d", 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:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 | 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:80:10
[INFO] [stderr]    |
[INFO] [stderr] 80 |     PIN: 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:109:24
[INFO] [stderr]     |
[INFO] [stderr] 109 |         self.latch_pin.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:111:24
[INFO] [stderr]     |
[INFO] [stderr] 111 |         self.latch_pin.set_high();
[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:129:24
[INFO] [stderr]     |
[INFO] [stderr] 129 |         self.latch_pin.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:132:24
[INFO] [stderr]     |
[INFO] [stderr] 132 |         self.latch_pin.set_high();
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 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:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 | 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:80:10
[INFO] [stderr]    |
[INFO] [stderr] 80 |     PIN: 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:109:24
[INFO] [stderr]     |
[INFO] [stderr] 109 |         self.latch_pin.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:111:24
[INFO] [stderr]     |
[INFO] [stderr] 111 |         self.latch_pin.set_high();
[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:129:24
[INFO] [stderr]     |
[INFO] [stderr] 129 |         self.latch_pin.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:132:24
[INFO] [stderr]     |
[INFO] [stderr] 132 |         self.latch_pin.set_high();
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/segment_display-f0cbbde505f1670a
[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] [stderr]    Doc-tests segment-display
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 11) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 11) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `cortex_m`
[INFO] [stdout]  --> src/lib.rs:15:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate cortex_m;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 11)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "d14c2a69971431b36a07b34956c07439d30f9ecb1887f6ca8bc265e6b92c3f1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d14c2a69971431b36a07b34956c07439d30f9ecb1887f6ca8bc265e6b92c3f1d", kill_on_drop: false }`
[INFO] [stdout] d14c2a69971431b36a07b34956c07439d30f9ecb1887f6ca8bc265e6b92c3f1d