[INFO] fetching crate dart-sdk-sys 2.13.4...
[INFO] testing dart-sdk-sys-2.13.4 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate dart-sdk-sys 2.13.4 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate dart-sdk-sys 2.13.4 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 dart-sdk-sys 2.13.4
[INFO] finished tweaking crates.io crate dart-sdk-sys 2.13.4
[INFO] tweaked toml for crates.io crate dart-sdk-sys 2.13.4 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 3f4362d7d24517f2d0c89cd0152885478a920e2ae1dad4cd91343d66cedb77b2
[INFO] running `Command { std: "docker" "start" "-a" "3f4362d7d24517f2d0c89cd0152885478a920e2ae1dad4cd91343d66cedb77b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f4362d7d24517f2d0c89cd0152885478a920e2ae1dad4cd91343d66cedb77b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f4362d7d24517f2d0c89cd0152885478a920e2ae1dad4cd91343d66cedb77b2", kill_on_drop: false }`
[INFO] [stdout] 3f4362d7d24517f2d0c89cd0152885478a920e2ae1dad4cd91343d66cedb77b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 45bbb0bce0037a637c11b3d35b6173ff6b15080dcac653e18f717c353b7d39cb
[INFO] running `Command { std: "docker" "start" "-a" "45bbb0bce0037a637c11b3d35b6173ff6b15080dcac653e18f717c353b7d39cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling dart-sdk-sys v2.13.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "45bbb0bce0037a637c11b3d35b6173ff6b15080dcac653e18f717c353b7d39cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45bbb0bce0037a637c11b3d35b6173ff6b15080dcac653e18f717c353b7d39cb", kill_on_drop: false }`
[INFO] [stdout] 45bbb0bce0037a637c11b3d35b6173ff6b15080dcac653e18f717c353b7d39cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 942242f243143f422bbe0d9f32eb247c074d165652bccce63ae6791137b149e0
[INFO] running `Command { std: "docker" "start" "-a" "942242f243143f422bbe0d9f32eb247c074d165652bccce63ae6791137b149e0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling dart-sdk-sys v2.13.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "942242f243143f422bbe0d9f32eb247c074d165652bccce63ae6791137b149e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "942242f243143f422bbe0d9f32eb247c074d165652bccce63ae6791137b149e0", kill_on_drop: false }`
[INFO] [stdout] 942242f243143f422bbe0d9f32eb247c074d165652bccce63ae6791137b149e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 9871a9720245a96066ab0cde0e81fc7e302b32b57f029c7690cb049b19260ef7
[INFO] running `Command { std: "docker" "start" "-a" "9871a9720245a96066ab0cde0e81fc7e302b32b57f029c7690cb049b19260ef7", 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]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dart_sdk_sys-34209a546c4eb702)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dart-sdk-sys
[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] [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" "9871a9720245a96066ab0cde0e81fc7e302b32b57f029c7690cb049b19260ef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9871a9720245a96066ab0cde0e81fc7e302b32b57f029c7690cb049b19260ef7", kill_on_drop: false }`
[INFO] [stdout] 9871a9720245a96066ab0cde0e81fc7e302b32b57f029c7690cb049b19260ef7