[INFO] fetching crate kpal-plugin 0.2.2...
[INFO] testing kpal-plugin-0.2.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate kpal-plugin 0.2.2 into /workspace/builds/worker-106/source
[INFO] validating manifest of crates.io crate kpal-plugin 0.2.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kpal-plugin 0.2.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate kpal-plugin 0.2.2
[INFO] tweaked toml for crates.io crate kpal-plugin 0.2.2 written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] crate crates.io crate kpal-plugin 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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 winapi-util v0.1.3
[INFO] [stderr]   Downloaded aho-corasick v0.7.9
[INFO] [stderr]   Downloaded regex-syntax v0.6.16
[INFO] [stderr]   Downloaded regex v1.3.4
[INFO] [stderr]   Downloaded multi-map v1.2.0
[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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56f20f9fc8ef32b7a56f89b5318577985fc9e7372f35e95800c49671bcc6eb43
[INFO] running `Command { std: "docker" "start" "-a" "56f20f9fc8ef32b7a56f89b5318577985fc9e7372f35e95800c49671bcc6eb43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56f20f9fc8ef32b7a56f89b5318577985fc9e7372f35e95800c49671bcc6eb43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56f20f9fc8ef32b7a56f89b5318577985fc9e7372f35e95800c49671bcc6eb43", kill_on_drop: false }`
[INFO] [stdout] 56f20f9fc8ef32b7a56f89b5318577985fc9e7372f35e95800c49671bcc6eb43
[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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdd78835f68948468d4bd1e5582e0ea247312ddde9492a007b51d672df211722
[INFO] running `Command { std: "docker" "start" "-a" "cdd78835f68948468d4bd1e5582e0ea247312ddde9492a007b51d672df211722", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling regex-syntax v0.6.16
[INFO] [stderr]    Compiling multi-map v1.2.0
[INFO] [stderr]    Compiling aho-corasick v0.7.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling kpal-plugin v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.34s
[INFO] running `Command { std: "docker" "inspect" "cdd78835f68948468d4bd1e5582e0ea247312ddde9492a007b51d672df211722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdd78835f68948468d4bd1e5582e0ea247312ddde9492a007b51d672df211722", kill_on_drop: false }`
[INFO] [stdout] cdd78835f68948468d4bd1e5582e0ea247312ddde9492a007b51d672df211722
[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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9067a1aa728769fb459a91f1816e888c5002d323591173b397e608b967b227e
[INFO] running `Command { std: "docker" "start" "-a" "f9067a1aa728769fb459a91f1816e888c5002d323591173b397e608b967b227e", kill_on_drop: false }`
[INFO] [stderr]    Compiling kpal-plugin v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "f9067a1aa728769fb459a91f1816e888c5002d323591173b397e608b967b227e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9067a1aa728769fb459a91f1816e888c5002d323591173b397e608b967b227e", kill_on_drop: false }`
[INFO] [stdout] f9067a1aa728769fb459a91f1816e888c5002d323591173b397e608b967b227e
[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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9672776f479eca09f51ba24a3be476700282d9f7749bcdad5dddd89a62ce551c
[INFO] running `Command { std: "docker" "start" "-a" "9672776f479eca09f51ba24a3be476700282d9f7749bcdad5dddd89a62ce551c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kpal_plugin-550cb8e4ce7d069c)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test strings::tests::test_copy_string ... ok
[INFO] [stdout] test strings::tests::test_copy_string_buffer_overflow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kpal-plugin
[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" "9672776f479eca09f51ba24a3be476700282d9f7749bcdad5dddd89a62ce551c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9672776f479eca09f51ba24a3be476700282d9f7749bcdad5dddd89a62ce551c", kill_on_drop: false }`
[INFO] [stdout] 9672776f479eca09f51ba24a3be476700282d9f7749bcdad5dddd89a62ce551c