[INFO] fetching crate driver_99bugs_display 0.1.0...
[INFO] testing driver_99bugs_display-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate driver_99bugs_display 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate driver_99bugs_display 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate driver_99bugs_display 0.1.0
[INFO] finished tweaking crates.io crate driver_99bugs_display 0.1.0
[INFO] tweaked toml for crates.io crate driver_99bugs_display 0.1.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e48f5d56bf1ea5dbdf6172b354d404706969c4f869ac7726e866796cb3881e3a
[INFO] running `Command { std: "docker" "start" "-a" "e48f5d56bf1ea5dbdf6172b354d404706969c4f869ac7726e866796cb3881e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e48f5d56bf1ea5dbdf6172b354d404706969c4f869ac7726e866796cb3881e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e48f5d56bf1ea5dbdf6172b354d404706969c4f869ac7726e866796cb3881e3a", kill_on_drop: false }`
[INFO] [stdout] e48f5d56bf1ea5dbdf6172b354d404706969c4f869ac7726e866796cb3881e3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f767a84f5c3621a88c11dc355ce000dd31210311445194fbffc9b879588f3cbb
[INFO] running `Command { std: "docker" "start" "-a" "f767a84f5c3621a88c11dc355ce000dd31210311445194fbffc9b879588f3cbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling spidev v0.3.0
[INFO] [stderr]    Compiling driver_99bugs_display v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `PANEL_MODE`
[INFO] [stdout]   --> src/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | const PANEL_MODE: u8 = 0x02;
[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 4.50s
[INFO] running `Command { std: "docker" "inspect" "f767a84f5c3621a88c11dc355ce000dd31210311445194fbffc9b879588f3cbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f767a84f5c3621a88c11dc355ce000dd31210311445194fbffc9b879588f3cbb", kill_on_drop: false }`
[INFO] [stdout] f767a84f5c3621a88c11dc355ce000dd31210311445194fbffc9b879588f3cbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0f94e16b1c4e9b7348b2bdcbaea6a7e906c98ae4b5dbbaa8d8c1633e2b56b52
[INFO] running `Command { std: "docker" "start" "-a" "b0f94e16b1c4e9b7348b2bdcbaea6a7e906c98ae4b5dbbaa8d8c1633e2b56b52", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling driver_99bugs_display v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `PANEL_MODE`
[INFO] [stdout]   --> src/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | const PANEL_MODE: u8 = 0x02;
[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] [stdout] warning: constant is never used: `PANEL_MODE`
[INFO] [stdout]   --> src/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | const PANEL_MODE: u8 = 0x02;
[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 0.51s
[INFO] running `Command { std: "docker" "inspect" "b0f94e16b1c4e9b7348b2bdcbaea6a7e906c98ae4b5dbbaa8d8c1633e2b56b52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0f94e16b1c4e9b7348b2bdcbaea6a7e906c98ae4b5dbbaa8d8c1633e2b56b52", kill_on_drop: false }`
[INFO] [stdout] b0f94e16b1c4e9b7348b2bdcbaea6a7e906c98ae4b5dbbaa8d8c1633e2b56b52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 93901b2bb5ebe43a273e80d90a64cd35e00e2ed42893c5ae788659578ccfc6fe
[INFO] running `Command { std: "docker" "start" "-a" "93901b2bb5ebe43a273e80d90a64cd35e00e2ed42893c5ae788659578ccfc6fe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: constant is never used: `PANEL_MODE`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/lib.rs:22:1
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 22 | const PANEL_MODE: u8 = 0x02;
[INFO] [stdout] 
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `driver_99bugs_display` (lib) generated 1 warning
[INFO] [stderr] warning: `driver_99bugs_display` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/driver_99bugs_display-13babe264c1add5b)
[INFO] [stderr]    Doc-tests driver_99bugs_display
[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" "93901b2bb5ebe43a273e80d90a64cd35e00e2ed42893c5ae788659578ccfc6fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93901b2bb5ebe43a273e80d90a64cd35e00e2ed42893c5ae788659578ccfc6fe", kill_on_drop: false }`
[INFO] [stdout] 93901b2bb5ebe43a273e80d90a64cd35e00e2ed42893c5ae788659578ccfc6fe