[INFO] fetching crate webcomponent 0.6.2...
[INFO] testing webcomponent-0.6.2 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate webcomponent 0.6.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate webcomponent 0.6.2 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb1928a0e89950aba03a8ed82878d9b9093b72df236503770cb588df816ef922
[INFO] running `Command { std: "docker" "start" "-a" "fb1928a0e89950aba03a8ed82878d9b9093b72df236503770cb588df816ef922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb1928a0e89950aba03a8ed82878d9b9093b72df236503770cb588df816ef922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb1928a0e89950aba03a8ed82878d9b9093b72df236503770cb588df816ef922", kill_on_drop: false }`
[INFO] [stdout] fb1928a0e89950aba03a8ed82878d9b9093b72df236503770cb588df816ef922
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8999c1e3dd38e5dd8963558e274abe0c4f73792305164738dd47f50d1bab516
[INFO] running `Command { std: "docker" "start" "-a" "a8999c1e3dd38e5dd8963558e274abe0c4f73792305164738dd47f50d1bab516", 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]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling cty v0.2.1
[INFO] [stderr]    Compiling spin v0.7.1
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling cstring v0.0.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling spin v0.9.0
[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 1.04s
[INFO] running `Command { std: "docker" "inspect" "a8999c1e3dd38e5dd8963558e274abe0c4f73792305164738dd47f50d1bab516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8999c1e3dd38e5dd8963558e274abe0c4f73792305164738dd47f50d1bab516", kill_on_drop: false }`
[INFO] [stdout] a8999c1e3dd38e5dd8963558e274abe0c4f73792305164738dd47f50d1bab516
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c8623d1a4e3c578ffbe11c2da42dee71c36fd5a45980658fca5d717c574e6eb
[INFO] running `Command { std: "docker" "start" "-a" "7c8623d1a4e3c578ffbe11c2da42dee71c36fd5a45980658fca5d717c574e6eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling webcomponent v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "7c8623d1a4e3c578ffbe11c2da42dee71c36fd5a45980658fca5d717c574e6eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c8623d1a4e3c578ffbe11c2da42dee71c36fd5a45980658fca5d717c574e6eb", kill_on_drop: false }`
[INFO] [stdout] 7c8623d1a4e3c578ffbe11c2da42dee71c36fd5a45980658fca5d717c574e6eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f7978be0cba50d5cb64d91ac01eee0cf074d6d016f2a59383975a55956ebea9b
[INFO] running `Command { std: "docker" "start" "-a" "f7978be0cba50d5cb64d91ac01eee0cf074d6d016f2a59383975a55956ebea9b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/webcomponent-0fcc3482ed5d8be0)
[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-0fcc3482ed5d8be0` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "f7978be0cba50d5cb64d91ac01eee0cf074d6d016f2a59383975a55956ebea9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7978be0cba50d5cb64d91ac01eee0cf074d6d016f2a59383975a55956ebea9b", kill_on_drop: false }`
[INFO] [stdout] f7978be0cba50d5cb64d91ac01eee0cf074d6d016f2a59383975a55956ebea9b