[INFO] fetching crate adafruit-led-backpack 0.1.0...
[INFO] testing adafruit-led-backpack-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate adafruit-led-backpack 0.1.0 into /workspace/builds/worker-88/source
[INFO] validating manifest of crates.io crate adafruit-led-backpack 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 adafruit-led-backpack 0.1.0
[INFO] finished tweaking crates.io crate adafruit-led-backpack 0.1.0
[INFO] tweaked toml for crates.io crate adafruit-led-backpack 0.1.0 written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] crate crates.io crate adafruit-led-backpack 0.1.0 already has a lockfile, it will not be regenerated
[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 embedded-hal v0.2.2
[INFO] [stderr]   Downloaded ht16k33 v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 48a202134d5fdbd75f8a4b993d25f7fa893757cb15e69fbebb8235488bbd16ff
[INFO] running `Command { std: "docker" "start" "-a" "48a202134d5fdbd75f8a4b993d25f7fa893757cb15e69fbebb8235488bbd16ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48a202134d5fdbd75f8a4b993d25f7fa893757cb15e69fbebb8235488bbd16ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48a202134d5fdbd75f8a4b993d25f7fa893757cb15e69fbebb8235488bbd16ff", kill_on_drop: false }`
[INFO] [stdout] 48a202134d5fdbd75f8a4b993d25f7fa893757cb15e69fbebb8235488bbd16ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 7aeb99cb75101d1901c44e8993bf9391a836128013fdc1010be7e42e81853f2b
[INFO] running `Command { std: "docker" "start" "-a" "7aeb99cb75101d1901c44e8993bf9391a836128013fdc1010be7e42e81853f2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nb v0.1.2
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling embedded-hal v0.2.2
[INFO] [stderr]    Compiling ht16k33 v0.4.0
[INFO] [stderr]    Compiling adafruit-led-backpack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "7aeb99cb75101d1901c44e8993bf9391a836128013fdc1010be7e42e81853f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aeb99cb75101d1901c44e8993bf9391a836128013fdc1010be7e42e81853f2b", kill_on_drop: false }`
[INFO] [stdout] 7aeb99cb75101d1901c44e8993bf9391a836128013fdc1010be7e42e81853f2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 47204f4b23c302d07a8947ae4b900337444874037083caa06ae1502cd7635186
[INFO] running `Command { std: "docker" "start" "-a" "47204f4b23c302d07a8947ae4b900337444874037083caa06ae1502cd7635186", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling rppal v0.11.3
[INFO] [stderr]    Compiling adafruit-led-backpack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.53s
[INFO] running `Command { std: "docker" "inspect" "47204f4b23c302d07a8947ae4b900337444874037083caa06ae1502cd7635186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47204f4b23c302d07a8947ae4b900337444874037083caa06ae1502cd7635186", kill_on_drop: false }`
[INFO] [stdout] 47204f4b23c302d07a8947ae4b900337444874037083caa06ae1502cd7635186
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 55e48dfc12bd91f099aa471522c3febcc2507df3d68ea7797cd1451d38ac4fe2
[INFO] running `Command { std: "docker" "start" "-a" "55e48dfc12bd91f099aa471522c3febcc2507df3d68ea7797cd1451d38ac4fe2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/adafruit_led_backpack-9e39f93679a7a9c4)
[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 adafruit-led-backpack
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - HT16K33<I2C>::update_bicolor_led (line 57) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "55e48dfc12bd91f099aa471522c3febcc2507df3d68ea7797cd1451d38ac4fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55e48dfc12bd91f099aa471522c3febcc2507df3d68ea7797cd1451d38ac4fe2", kill_on_drop: false }`
[INFO] [stdout] 55e48dfc12bd91f099aa471522c3febcc2507df3d68ea7797cd1451d38ac4fe2