[INFO] fetching crate kpal-plugin 0.2.2...
[INFO] testing kpal-plugin-0.2.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate kpal-plugin 0.2.2 into /workspace/builds/worker-88/source
[INFO] validating manifest of crates.io crate kpal-plugin 0.2.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-88/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" "+beta-2021-09-08" "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-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5d385b7bf11cf6fe05cf6b84633b4d6f89d3c5e4365c618825c67adab6c6989
[INFO] running `Command { std: "docker" "start" "-a" "f5d385b7bf11cf6fe05cf6b84633b4d6f89d3c5e4365c618825c67adab6c6989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5d385b7bf11cf6fe05cf6b84633b4d6f89d3c5e4365c618825c67adab6c6989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5d385b7bf11cf6fe05cf6b84633b4d6f89d3c5e4365c618825c67adab6c6989", kill_on_drop: false }`
[INFO] [stdout] f5d385b7bf11cf6fe05cf6b84633b4d6f89d3c5e4365c618825c67adab6c6989
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1d9e37d55f27a949894ac9c7247e9ed1656f91da2f2b344a3040bcc30f81d6a
[INFO] running `Command { std: "docker" "start" "-a" "a1d9e37d55f27a949894ac9c7247e9ed1656f91da2f2b344a3040bcc30f81d6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[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 10.52s
[INFO] running `Command { std: "docker" "inspect" "a1d9e37d55f27a949894ac9c7247e9ed1656f91da2f2b344a3040bcc30f81d6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d9e37d55f27a949894ac9c7247e9ed1656f91da2f2b344a3040bcc30f81d6a", kill_on_drop: false }`
[INFO] [stdout] a1d9e37d55f27a949894ac9c7247e9ed1656f91da2f2b344a3040bcc30f81d6a
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4354b394ac593f639fae6046e12cbc70e0282a455e965d2c481f351698a6bc5e
[INFO] running `Command { std: "docker" "start" "-a" "4354b394ac593f639fae6046e12cbc70e0282a455e965d2c481f351698a6bc5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling kpal-plugin v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "4354b394ac593f639fae6046e12cbc70e0282a455e965d2c481f351698a6bc5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4354b394ac593f639fae6046e12cbc70e0282a455e965d2c481f351698a6bc5e", kill_on_drop: false }`
[INFO] [stdout] 4354b394ac593f639fae6046e12cbc70e0282a455e965d2c481f351698a6bc5e
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3cdf93a0c19f511caf6da8beb07688eb4cc8e7259d6ff2cba882a5961b3e5cb3
[INFO] running `Command { std: "docker" "start" "-a" "3cdf93a0c19f511caf6da8beb07688eb4cc8e7259d6ff2cba882a5961b3e5cb3", 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-f7f915f508aae10c)
[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" "3cdf93a0c19f511caf6da8beb07688eb4cc8e7259d6ff2cba882a5961b3e5cb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cdf93a0c19f511caf6da8beb07688eb4cc8e7259d6ff2cba882a5961b3e5cb3", kill_on_drop: false }`
[INFO] [stdout] 3cdf93a0c19f511caf6da8beb07688eb4cc8e7259d6ff2cba882a5961b3e5cb3