[INFO] cloning repository https://github.com/graphex/gfx_clock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/graphex/gfx_clock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgraphex%2Fgfx_clock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgraphex%2Fgfx_clock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da12317f5f0d1e28e5f478a5ef554707bd00965b
[INFO] testing graphex/gfx_clock against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgraphex%2Fgfx_clock" "/workspace/builds/worker-106/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-106/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/graphex/gfx_clock on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/graphex/gfx_clock
[INFO] finished tweaking git repo https://github.com/graphex/gfx_clock
[INFO] tweaked toml for git repo https://github.com/graphex/gfx_clock written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] crate git repo https://github.com/graphex/gfx_clock already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44d2de71fc2a631064de1eec1e8eabddf9cb2ef9156084b4d8a2b9b647816ca9
[INFO] running `Command { std: "docker" "start" "-a" "44d2de71fc2a631064de1eec1e8eabddf9cb2ef9156084b4d8a2b9b647816ca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44d2de71fc2a631064de1eec1e8eabddf9cb2ef9156084b4d8a2b9b647816ca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44d2de71fc2a631064de1eec1e8eabddf9cb2ef9156084b4d8a2b9b647816ca9", kill_on_drop: false }`
[INFO] [stdout] 44d2de71fc2a631064de1eec1e8eabddf9cb2ef9156084b4d8a2b9b647816ca9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b42a7ca86e6a0837ffc7aece7bcef0554bb390812ebe5596bad9fd72afc3ef8
[INFO] running `Command { std: "docker" "start" "-a" "4b42a7ca86e6a0837ffc7aece7bcef0554bb390812ebe5596bad9fd72afc3ef8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling spin_sleep v1.0.0
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling easer v0.2.1
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling generic-array v0.3.2
[INFO] [stderr]    Compiling embedded-hal v0.2.6
[INFO] [stderr]    Compiling bit-array v0.4.4
[INFO] [stderr]    Compiling one-wire-bus v0.1.1
[INFO] [stderr]    Compiling ds18b20 v0.1.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling rppal v0.12.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling snafu v0.6.10
[INFO] [stderr]    Compiling gfx_clock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/temperature_sensor.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |             self.get_temperature(&mut one_wire_bus);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.05s
[INFO] running `Command { std: "docker" "inspect" "4b42a7ca86e6a0837ffc7aece7bcef0554bb390812ebe5596bad9fd72afc3ef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b42a7ca86e6a0837ffc7aece7bcef0554bb390812ebe5596bad9fd72afc3ef8", kill_on_drop: false }`
[INFO] [stdout] 4b42a7ca86e6a0837ffc7aece7bcef0554bb390812ebe5596bad9fd72afc3ef8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83996a3add7fbfa5dd5a3c7c7348a604aa1405987e5c4159a8cf0995cf249c9d
[INFO] running `Command { std: "docker" "start" "-a" "83996a3add7fbfa5dd5a3c7c7348a604aa1405987e5c4159a8cf0995cf249c9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling gfx_clock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/temperature_sensor.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |             self.get_temperature(&mut one_wire_bus);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "83996a3add7fbfa5dd5a3c7c7348a604aa1405987e5c4159a8cf0995cf249c9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83996a3add7fbfa5dd5a3c7c7348a604aa1405987e5c4159a8cf0995cf249c9d", kill_on_drop: false }`
[INFO] [stdout] 83996a3add7fbfa5dd5a3c7c7348a604aa1405987e5c4159a8cf0995cf249c9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5b77e2f0a26557d1618ccce900a1ce05b1d8b24d1e61d2a1da4f8a76038bb30b
[INFO] running `Command { std: "docker" "start" "-a" "5b77e2f0a26557d1618ccce900a1ce05b1d8b24d1e61d2a1da4f8a76038bb30b", kill_on_drop: false }`
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/temperature_sensor.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |             self.get_temperature(&mut one_wire_bus);
[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] warning: `gfx_clock` (bin "gfx_clock" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gfx_clock-8d8ba98c2c612be6)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5b77e2f0a26557d1618ccce900a1ce05b1d8b24d1e61d2a1da4f8a76038bb30b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b77e2f0a26557d1618ccce900a1ce05b1d8b24d1e61d2a1da4f8a76038bb30b", kill_on_drop: false }`
[INFO] [stdout] 5b77e2f0a26557d1618ccce900a1ce05b1d8b24d1e61d2a1da4f8a76038bb30b