[INFO] fetching crate webcomponent 0.6.2...
[INFO] testing webcomponent-0.6.2 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate webcomponent 0.6.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate webcomponent 0.6.2 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webcomponent 0.6.2
[INFO] finished tweaking crates.io crate webcomponent 0.6.2
[INFO] tweaked toml for crates.io crate webcomponent 0.6.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded callback v0.5.3
[INFO] [stderr]   Downloaded spin v0.7.1
[INFO] [stderr]   Downloaded cstring v0.0.5
[INFO] [stderr]   Downloaded js v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 331a1d91bf766b17c6cd4767c063abc0499f2817c10b520ba9dd73a3dfb82aae
[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" "331a1d91bf766b17c6cd4767c063abc0499f2817c10b520ba9dd73a3dfb82aae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "331a1d91bf766b17c6cd4767c063abc0499f2817c10b520ba9dd73a3dfb82aae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "331a1d91bf766b17c6cd4767c063abc0499f2817c10b520ba9dd73a3dfb82aae", kill_on_drop: false }`
[INFO] [stdout] 331a1d91bf766b17c6cd4767c063abc0499f2817c10b520ba9dd73a3dfb82aae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10d8144ab3529917248fa986c1b85f6f354b75fea520f43a73d4ff6c812b1440
[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" "10d8144ab3529917248fa986c1b85f6f354b75fea520f43a73d4ff6c812b1440", kill_on_drop: false }`
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling cty v0.2.1
[INFO] [stderr]    Compiling spin v0.7.1
[INFO] [stderr]    Compiling cstring v0.0.5
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling callback v0.5.3
[INFO] [stderr]    Compiling js v0.3.0
[INFO] [stderr]    Compiling webcomponent v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.12s
[INFO] running `Command { std: "docker" "inspect" "10d8144ab3529917248fa986c1b85f6f354b75fea520f43a73d4ff6c812b1440", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10d8144ab3529917248fa986c1b85f6f354b75fea520f43a73d4ff6c812b1440", kill_on_drop: false }`
[INFO] [stdout] 10d8144ab3529917248fa986c1b85f6f354b75fea520f43a73d4ff6c812b1440
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--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] 868b9f9760afa55569981c15533651da436d090f1e08851b54240210a73e72e4
[INFO] running `Command { std: "docker" "start" "-a" "868b9f9760afa55569981c15533651da436d090f1e08851b54240210a73e72e4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling webcomponent v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "868b9f9760afa55569981c15533651da436d090f1e08851b54240210a73e72e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "868b9f9760afa55569981c15533651da436d090f1e08851b54240210a73e72e4", kill_on_drop: false }`
[INFO] [stdout] 868b9f9760afa55569981c15533651da436d090f1e08851b54240210a73e72e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c6a48c7056f7a803a300de6e8af69aed01726173851cc0f05396dda1add3edb
[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" "9c6a48c7056f7a803a300de6e8af69aed01726173851cc0f05396dda1add3edb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/webcomponent-5377b9e9880924aa)
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/webcomponent-5377b9e9880924aa` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "9c6a48c7056f7a803a300de6e8af69aed01726173851cc0f05396dda1add3edb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c6a48c7056f7a803a300de6e8af69aed01726173851cc0f05396dda1add3edb", kill_on_drop: false }`
[INFO] [stdout] 9c6a48c7056f7a803a300de6e8af69aed01726173851cc0f05396dda1add3edb