[INFO] fetching crate membrane 0.5.2...
[INFO] testing membrane-0.5.2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate membrane 0.5.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate membrane 0.5.2 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate membrane 0.5.2
[INFO] finished tweaking crates.io crate membrane 0.5.2
[INFO] tweaked toml for crates.io crate membrane 0.5.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bcs v0.1.3
[INFO] [stderr]   Downloaded inventory-impl v0.1.11
[INFO] [stderr]   Downloaded inventory v0.1.11
[INFO] [stderr]   Downloaded allo-isolate v0.1.12
[INFO] [stderr]   Downloaded membrane_macro v0.4.0
[INFO] [stderr]   Downloaded ffi_helpers v0.2.0
[INFO] [stderr]   Downloaded textwrap v0.13.4
[INFO] [stderr]   Downloaded serde-reflection v0.3.5
[INFO] [stderr]   Downloaded include_dir v0.6.2
[INFO] [stderr]   Downloaded serde-generate v0.20.6
[INFO] [stderr]   Downloaded include_dir_impl v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f154176e617aa5229638efc2090d67729c73fe6cf667f35dff4a910cee6e9ec
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1f154176e617aa5229638efc2090d67729c73fe6cf667f35dff4a910cee6e9ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f154176e617aa5229638efc2090d67729c73fe6cf667f35dff4a910cee6e9ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f154176e617aa5229638efc2090d67729c73fe6cf667f35dff4a910cee6e9ec", kill_on_drop: false }`
[INFO] [stdout] 1f154176e617aa5229638efc2090d67729c73fe6cf667f35dff4a910cee6e9ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8a5ea299c49d6ddf5eb9b1d3786f03e562e86581640af113f5e160277722f30
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d8a5ea299c49d6ddf5eb9b1d3786f03e562e86581640af113f5e160277722f30", kill_on_drop: false }`
[INFO] [stderr]    Compiling inventory v0.1.11
[INFO] [stderr]    Compiling atomic v0.5.1
[INFO] [stderr]    Compiling textwrap v0.13.4
[INFO] [stderr]    Compiling include_dir_impl v0.6.2
[INFO] [stderr]    Compiling membrane_types v0.3.0
[INFO] [stderr]    Compiling inventory-impl v0.1.11
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling ffi_helpers v0.2.0
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling membrane_macro v0.4.0
[INFO] [stderr]    Compiling include_dir v0.6.2
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling bcs v0.1.3
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling serde_yaml v0.8.23
[INFO] [stderr]    Compiling serde-reflection v0.3.5
[INFO] [stderr]    Compiling allo-isolate v0.1.12
[INFO] [stderr]    Compiling serde-generate v0.20.6
[INFO] [stderr]    Compiling membrane v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.84s
[INFO] running `Command { std: "docker" "inspect" "d8a5ea299c49d6ddf5eb9b1d3786f03e562e86581640af113f5e160277722f30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8a5ea299c49d6ddf5eb9b1d3786f03e562e86581640af113f5e160277722f30", kill_on_drop: false }`
[INFO] [stdout] d8a5ea299c49d6ddf5eb9b1d3786f03e562e86581640af113f5e160277722f30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac4763164d7a06b01cf136eff1bd68859e5b348ef0e9b77f87f7384d4aaeb413
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ac4763164d7a06b01cf136eff1bd68859e5b348ef0e9b77f87f7384d4aaeb413", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serial_test v0.5.1
[INFO] [stderr]    Compiling trybuild v1.0.56
[INFO] [stderr]    Compiling membrane v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `example`
[INFO] [stdout]  --> tests/integration_tests.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 |   use example;
[INFO] [stdout]   |       ^^^^^^^ no external crate `example`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `membrane` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ac4763164d7a06b01cf136eff1bd68859e5b348ef0e9b77f87f7384d4aaeb413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac4763164d7a06b01cf136eff1bd68859e5b348ef0e9b77f87f7384d4aaeb413", kill_on_drop: false }`
[INFO] [stdout] ac4763164d7a06b01cf136eff1bd68859e5b348ef0e9b77f87f7384d4aaeb413