[INFO] fetching crate driver_99bugs_display 0.1.0...
[INFO] testing driver_99bugs_display-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate driver_99bugs_display 0.1.0 into /workspace/builds/worker-47/source
[INFO] validating manifest of crates.io crate driver_99bugs_display 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-47/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v0.4.0
[INFO] [stderr]   Downloaded rustc_version v0.1.7
[INFO] [stderr]   Downloaded semver v0.1.20
[INFO] [stderr]   Downloaded spidev v0.3.0
[INFO] [stderr]   Downloaded nix v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2909c6911c11fcff8cade4a084cb0cd50217847aae720cbcaee2d0d65df56da0
[INFO] running `Command { std: "docker" "start" "-a" "2909c6911c11fcff8cade4a084cb0cd50217847aae720cbcaee2d0d65df56da0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2909c6911c11fcff8cade4a084cb0cd50217847aae720cbcaee2d0d65df56da0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2909c6911c11fcff8cade4a084cb0cd50217847aae720cbcaee2d0d65df56da0", kill_on_drop: false }`
[INFO] [stdout] 2909c6911c11fcff8cade4a084cb0cd50217847aae720cbcaee2d0d65df56da0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfb10654b8433ece9de5205b11c3e10276f2c12b7326df69d4bc8fbad3db5b47
[INFO] running `Command { std: "docker" "start" "-a" "bfb10654b8433ece9de5205b11c3e10276f2c12b7326df69d4bc8fbad3db5b47", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling void v1.0.2
[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 5.11s
[INFO] running `Command { std: "docker" "inspect" "bfb10654b8433ece9de5205b11c3e10276f2c12b7326df69d4bc8fbad3db5b47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfb10654b8433ece9de5205b11c3e10276f2c12b7326df69d4bc8fbad3db5b47", kill_on_drop: false }`
[INFO] [stdout] bfb10654b8433ece9de5205b11c3e10276f2c12b7326df69d4bc8fbad3db5b47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a503652189ca773a8888a2dd4cc15b5f2d5e923e4448fb86ff8745ad0aec8f4
[INFO] running `Command { std: "docker" "start" "-a" "8a503652189ca773a8888a2dd4cc15b5f2d5e923e4448fb86ff8745ad0aec8f4", 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 1.86s
[INFO] running `Command { std: "docker" "inspect" "8a503652189ca773a8888a2dd4cc15b5f2d5e923e4448fb86ff8745ad0aec8f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a503652189ca773a8888a2dd4cc15b5f2d5e923e4448fb86ff8745ad0aec8f4", kill_on_drop: false }`
[INFO] [stdout] 8a503652189ca773a8888a2dd4cc15b5f2d5e923e4448fb86ff8745ad0aec8f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 304331b844821e7f0bfd83fc0db738b0d1e6906f048064772bfedb20a7ae1499
[INFO] running `Command { std: "docker" "start" "-a" "304331b844821e7f0bfd83fc0db738b0d1e6906f048064772bfedb20a7ae1499", kill_on_drop: false }`
[INFO] [stderr] warning: constant is never used: `PANEL_MODE`
[INFO] [stderr]   --> src/lib.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | const PANEL_MODE: u8 = 0x02;
[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 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/driver_99bugs_display-ba4b9828061aa0c9)
[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] [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" "304331b844821e7f0bfd83fc0db738b0d1e6906f048064772bfedb20a7ae1499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "304331b844821e7f0bfd83fc0db738b0d1e6906f048064772bfedb20a7ae1499", kill_on_drop: false }`
[INFO] [stdout] 304331b844821e7f0bfd83fc0db738b0d1e6906f048064772bfedb20a7ae1499