[INFO] fetching crate membrane 0.6.2...
[INFO] testing membrane-0.6.2 against 1.60.0 for beta-1.61-1
[INFO] extracting crate membrane 0.6.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate membrane 0.6.2 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 membrane 0.6.2
[INFO] finished tweaking crates.io crate membrane 0.6.2
[INFO] tweaked toml for crates.io crate membrane 0.6.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test_derive v0.5.1
[INFO] [stderr]   Downloaded serial_test v0.5.1
[INFO] [stderr]   Downloaded include_dir_impl v0.6.2
[INFO] [stderr]   Downloaded include_dir v0.6.2
[INFO] [stderr]   Downloaded inventory-impl v0.1.11
[INFO] [stderr]   Downloaded allo-isolate v0.1.12
[INFO] [stderr]   Downloaded membrane_macro v0.5.0
[INFO] [stderr]   Downloaded atomic v0.5.1
[INFO] [stderr]   Downloaded pretty_assertions v1.2.1
[INFO] [stderr]   Downloaded serde-generate v0.20.6
[INFO] [stderr]   Downloaded ffi_helpers v0.2.0
[INFO] [stderr]   Downloaded serde-reflection v0.3.5
[INFO] [stderr]   Downloaded ghost v0.1.2
[INFO] [stderr]   Downloaded inventory v0.1.11
[INFO] [stderr]   Downloaded bcs v0.1.3
[INFO] [stderr]   Downloaded textwrap v0.13.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3b7596b44b38ae572c798afaf595bf261b13c3572e7fe0ff7a85117f38cc4cd
[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" "b3b7596b44b38ae572c798afaf595bf261b13c3572e7fe0ff7a85117f38cc4cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3b7596b44b38ae572c798afaf595bf261b13c3572e7fe0ff7a85117f38cc4cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3b7596b44b38ae572c798afaf595bf261b13c3572e7fe0ff7a85117f38cc4cd", kill_on_drop: false }`
[INFO] [stdout] b3b7596b44b38ae572c798afaf595bf261b13c3572e7fe0ff7a85117f38cc4cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 142a22d4bc8a81df581ed80514e9af305d9bdfdee04cca5fb9d2a3edce33ec6d
[INFO] running `Command { std: "docker" "start" "-a" "142a22d4bc8a81df581ed80514e9af305d9bdfdee04cca5fb9d2a3edce33ec6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling inventory v0.1.11
[INFO] [stderr]    Compiling smawk v0.3.1
[INFO] [stderr]    Compiling atomic v0.5.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling include_dir_impl v0.6.2
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling inventory-impl v0.1.11
[INFO] [stderr]    Compiling membrane_types v0.3.0
[INFO] [stderr]    Compiling ctor v0.1.22
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling serde-reflection v0.3.5
[INFO] [stderr]    Compiling serde_yaml v0.8.23
[INFO] [stderr]    Compiling bcs v0.1.3
[INFO] [stderr]    Compiling textwrap v0.13.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling membrane_macro v0.5.0
[INFO] [stderr]    Compiling include_dir v0.6.2
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling ffi_helpers v0.2.0
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling serde-generate v0.20.6
[INFO] [stderr]    Compiling allo-isolate v0.1.12
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling membrane v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.75s
[INFO] running `Command { std: "docker" "inspect" "142a22d4bc8a81df581ed80514e9af305d9bdfdee04cca5fb9d2a3edce33ec6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "142a22d4bc8a81df581ed80514e9af305d9bdfdee04cca5fb9d2a3edce33ec6d", kill_on_drop: false }`
[INFO] [stdout] 142a22d4bc8a81df581ed80514e9af305d9bdfdee04cca5fb9d2a3edce33ec6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa108504583838f869d87d2104beba8b2bcff8070fdba53fb2da36ae8ced1782
[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" "aa108504583838f869d87d2104beba8b2bcff8070fdba53fb2da36ae8ced1782", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling trybuild v1.0.59
[INFO] [stderr]    Compiling serial_test v0.5.1
[INFO] [stderr]    Compiling membrane v0.6.2 (/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" "aa108504583838f869d87d2104beba8b2bcff8070fdba53fb2da36ae8ced1782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa108504583838f869d87d2104beba8b2bcff8070fdba53fb2da36ae8ced1782", kill_on_drop: false }`
[INFO] [stdout] aa108504583838f869d87d2104beba8b2bcff8070fdba53fb2da36ae8ced1782