[INFO] crate segment-display 0.1.0 is already in cache
[INFO] testing segment-display-0.1.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate segment-display 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate segment-display 0.1.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81d93ebcc314599ef98b419097ca6e1015a8d96d6c351f83425bf77185ea8157
[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" "81d93ebcc314599ef98b419097ca6e1015a8d96d6c351f83425bf77185ea8157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81d93ebcc314599ef98b419097ca6e1015a8d96d6c351f83425bf77185ea8157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81d93ebcc314599ef98b419097ca6e1015a8d96d6c351f83425bf77185ea8157", kill_on_drop: false }`
[INFO] [stdout] 81d93ebcc314599ef98b419097ca6e1015a8d96d6c351f83425bf77185ea8157
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e2e6f5cc1a34f7787a57d327ea2e9cedf5721100d8c73885d28c78ef891c222
[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" "9e2e6f5cc1a34f7787a57d327ea2e9cedf5721100d8c73885d28c78ef891c222", kill_on_drop: false }`
[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 item '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 item '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 item '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 item '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 item '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 item '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 0.65s
[INFO] running `Command { std: "docker" "inspect" "9e2e6f5cc1a34f7787a57d327ea2e9cedf5721100d8c73885d28c78ef891c222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e2e6f5cc1a34f7787a57d327ea2e9cedf5721100d8c73885d28c78ef891c222", kill_on_drop: false }`
[INFO] [stdout] 9e2e6f5cc1a34f7787a57d327ea2e9cedf5721100d8c73885d28c78ef891c222
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e31a2ee30a70ed875ff9a7aaf48fa3f933c32534751e7842ee3bbc38eac9b44
[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" "8e31a2ee30a70ed875ff9a7aaf48fa3f933c32534751e7842ee3bbc38eac9b44", kill_on_drop: false }`
[INFO] [stderr]    Compiling segment-display v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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] [stdout] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 0.86s
[INFO] running `Command { std: "docker" "inspect" "8e31a2ee30a70ed875ff9a7aaf48fa3f933c32534751e7842ee3bbc38eac9b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e31a2ee30a70ed875ff9a7aaf48fa3f933c32534751e7842ee3bbc38eac9b44", kill_on_drop: false }`
[INFO] [stdout] 8e31a2ee30a70ed875ff9a7aaf48fa3f933c32534751e7842ee3bbc38eac9b44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 60aa00546c0a54003f3448c714f3cbb0a53e94c67e84e00e2c51c3109ca4e744
[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" "60aa00546c0a54003f3448c714f3cbb0a53e94c67e84e00e2c51c3109ca4e744", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/segment_display-a4549a5597711e92
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests segment-display
[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 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" "60aa00546c0a54003f3448c714f3cbb0a53e94c67e84e00e2c51c3109ca4e744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60aa00546c0a54003f3448c714f3cbb0a53e94c67e84e00e2c51c3109ca4e744", kill_on_drop: false }`
[INFO] [stdout] 60aa00546c0a54003f3448c714f3cbb0a53e94c67e84e00e2c51c3109ca4e744