[INFO] fetching crate desktop2mqtt 0.2.0...
[INFO] testing desktop2mqtt-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate desktop2mqtt 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate desktop2mqtt 0.2.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate desktop2mqtt 0.2.0
[INFO] finished tweaking crates.io crate desktop2mqtt 0.2.0
[INFO] tweaked toml for crates.io crate desktop2mqtt 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate desktop2mqtt 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5849d57f3e4a6c45bcbe8510ed986a5526734f3f0ca4a192d7a11eddec33f387
[INFO] running `Command { std: "docker" "start" "-a" "5849d57f3e4a6c45bcbe8510ed986a5526734f3f0ca4a192d7a11eddec33f387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5849d57f3e4a6c45bcbe8510ed986a5526734f3f0ca4a192d7a11eddec33f387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5849d57f3e4a6c45bcbe8510ed986a5526734f3f0ca4a192d7a11eddec33f387", kill_on_drop: false }`
[INFO] [stdout] 5849d57f3e4a6c45bcbe8510ed986a5526734f3f0ca4a192d7a11eddec33f387
[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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e26867c9a3271de2d30f28ff1089194ab3c180bcfb378946fed342487c0a2c7f
[INFO] running `Command { std: "docker" "start" "-a" "e26867c9a3271de2d30f28ff1089194ab3c180bcfb378946fed342487c0a2c7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling fastrand v1.4.1
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling bytesize v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling polling v2.0.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling directories-next v2.0.0
[INFO] [stderr]    Compiling nb-connect v1.2.0
[INFO] [stderr]    Compiling async-io v1.4.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling mqttrs v0.2.0
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling user-idle v0.4.0
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling systemstat v0.1.8
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling enumflags2_derive v0.6.4
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling tokio-rustls v0.22.0
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling mqtt-async-client v0.2.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling enumflags2 v0.6.4
[INFO] [stderr]    Compiling serde_yaml v0.8.17
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling humantime-serde v1.0.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling zvariant_derive v2.6.0
[INFO] [stderr]    Compiling zbus_macros v1.9.1
[INFO] [stderr]    Compiling zvariant v2.6.0
[INFO] [stderr]    Compiling zbus v1.9.1
[INFO] [stderr]    Compiling notify-rust v4.5.2
[INFO] [stderr]    Compiling desktop2mqtt v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `MAX_BRIGHTNESS`
[INFO] [stdout]   --> src/modules/backlight/raspberry_pi.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | const MAX_BRIGHTNESS: &str = "max_brightness";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.43s
[INFO] running `Command { std: "docker" "inspect" "e26867c9a3271de2d30f28ff1089194ab3c180bcfb378946fed342487c0a2c7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e26867c9a3271de2d30f28ff1089194ab3c180bcfb378946fed342487c0a2c7f", kill_on_drop: false }`
[INFO] [stdout] e26867c9a3271de2d30f28ff1089194ab3c180bcfb378946fed342487c0a2c7f
[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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f82cf242c6d11c89c1688db14bd0383277538806e2b63a1f70ef5c74509ac005
[INFO] running `Command { std: "docker" "start" "-a" "f82cf242c6d11c89c1688db14bd0383277538806e2b63a1f70ef5c74509ac005", kill_on_drop: false }`
[INFO] [stderr]    Compiling desktop2mqtt v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `MAX_BRIGHTNESS`
[INFO] [stdout]   --> src/modules/backlight/raspberry_pi.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | const MAX_BRIGHTNESS: &str = "max_brightness";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.65s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/desktop2mqtt-5d24cd1512b9ff59)
[INFO] running `Command { std: "docker" "inspect" "f82cf242c6d11c89c1688db14bd0383277538806e2b63a1f70ef5c74509ac005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f82cf242c6d11c89c1688db14bd0383277538806e2b63a1f70ef5c74509ac005", kill_on_drop: false }`
[INFO] [stdout] f82cf242c6d11c89c1688db14bd0383277538806e2b63a1f70ef5c74509ac005
[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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 096eab320d6d668363ca2f005b44019125af8be137ba23e5d515b08270989ba5
[INFO] running `Command { std: "docker" "start" "-a" "096eab320d6d668363ca2f005b44019125af8be137ba23e5d515b08270989ba5", kill_on_drop: false }`
[INFO] [stderr] warning: constant is never used: `MAX_BRIGHTNESS`
[INFO] [stderr]   --> src/modules/backlight/raspberry_pi.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | const MAX_BRIGHTNESS: &str = "max_brightness";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `desktop2mqtt` (bin "desktop2mqtt" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/desktop2mqtt-5d24cd1512b9ff59)
[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" "096eab320d6d668363ca2f005b44019125af8be137ba23e5d515b08270989ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "096eab320d6d668363ca2f005b44019125af8be137ba23e5d515b08270989ba5", kill_on_drop: false }`
[INFO] [stdout] 096eab320d6d668363ca2f005b44019125af8be137ba23e5d515b08270989ba5