[INFO] crate linux_l6470 0.1.0 is already in cache
[INFO] testing linux_l6470-0.1.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate linux_l6470 0.1.0 into work/builds/worker-7/source
[INFO] validating manifest of crates.io crate linux_l6470 0.1.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate linux_l6470 0.1.0
[INFO] finished tweaking crates.io crate linux_l6470 0.1.0
[INFO] tweaked toml for crates.io crate linux_l6470 0.1.0 written to work/builds/worker-7/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 903808e596a8e850ebc097ba3cbb3b3f2590882155cb774dd578d638e9847071
[INFO] running `"docker" "start" "-a" "903808e596a8e850ebc097ba3cbb3b3f2590882155cb774dd578d638e9847071"`
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling sysfs_gpio v0.5.4
[INFO] [stderr]    Compiling spidev v0.3.0
[INFO] [stderr]    Compiling linux_l6470 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `tick_ns`
[INFO] [stderr]   --> src/lib.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |         let tick_ns = 250;
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_tick_ns`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:178:9
[INFO] [stderr]     |
[INFO] [stderr] 178 |         self.transfer(&buf[0..self.daisy_chain as usize]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.62s
[INFO] running `"docker" "inspect" "903808e596a8e850ebc097ba3cbb3b3f2590882155cb774dd578d638e9847071"`
[INFO] running `"docker" "rm" "-f" "903808e596a8e850ebc097ba3cbb3b3f2590882155cb774dd578d638e9847071"`
[INFO] [stdout] 903808e596a8e850ebc097ba3cbb3b3f2590882155cb774dd578d638e9847071
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] dfce66d2e1a9a423e76566f84d5beda726c874e2cfe8eaa9836fe5cc5a47a9f6
[INFO] running `"docker" "start" "-a" "dfce66d2e1a9a423e76566f84d5beda726c874e2cfe8eaa9836fe5cc5a47a9f6"`
[INFO] [stderr]    Compiling linux_l6470 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `tick_ns`
[INFO] [stderr]   --> src/lib.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |         let tick_ns = 250;
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_tick_ns`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:178:9
[INFO] [stderr]     |
[INFO] [stderr] 178 |         self.transfer(&buf[0..self.daisy_chain as usize]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "dfce66d2e1a9a423e76566f84d5beda726c874e2cfe8eaa9836fe5cc5a47a9f6"`
[INFO] running `"docker" "rm" "-f" "dfce66d2e1a9a423e76566f84d5beda726c874e2cfe8eaa9836fe5cc5a47a9f6"`
[INFO] [stdout] dfce66d2e1a9a423e76566f84d5beda726c874e2cfe8eaa9836fe5cc5a47a9f6
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 05b01be15af9208f226fe5d14e8cdd8692c7a1a8e0b64acac7244ea68f6f168a
[INFO] running `"docker" "start" "-a" "05b01be15af9208f226fe5d14e8cdd8692c7a1a8e0b64acac7244ea68f6f168a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/linux_l6470-f9c11326279cdb71
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests linux_l6470
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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 `"docker" "inspect" "05b01be15af9208f226fe5d14e8cdd8692c7a1a8e0b64acac7244ea68f6f168a"`
[INFO] running `"docker" "rm" "-f" "05b01be15af9208f226fe5d14e8cdd8692c7a1a8e0b64acac7244ea68f6f168a"`
[INFO] [stdout] 05b01be15af9208f226fe5d14e8cdd8692c7a1a8e0b64acac7244ea68f6f168a