[INFO] fetching crate web_canvas 0.0.7...
[INFO] testing web_canvas-0.0.7 against 1.54.0 for beta-1.55-1
[INFO] extracting crate web_canvas 0.0.7 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate web_canvas 0.0.7 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate web_canvas 0.0.7
[INFO] finished tweaking crates.io crate web_canvas 0.0.7
[INFO] tweaked toml for crates.io crate web_canvas 0.0.7 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec1deabe99de98e25d862977662d7ced81685aca95b425de93dda9ba36414acf
[INFO] running `Command { std: "docker" "start" "-a" "ec1deabe99de98e25d862977662d7ced81685aca95b425de93dda9ba36414acf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec1deabe99de98e25d862977662d7ced81685aca95b425de93dda9ba36414acf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec1deabe99de98e25d862977662d7ced81685aca95b425de93dda9ba36414acf", kill_on_drop: false }`
[INFO] [stdout] ec1deabe99de98e25d862977662d7ced81685aca95b425de93dda9ba36414acf
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3761861aa0d529f0eff5a28670553a883778f0cc7d52bd3256f3824b8c8949b2
[INFO] running `Command { std: "docker" "start" "-a" "3761861aa0d529f0eff5a28670553a883778f0cc7d52bd3256f3824b8c8949b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling web_canvas v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "3761861aa0d529f0eff5a28670553a883778f0cc7d52bd3256f3824b8c8949b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3761861aa0d529f0eff5a28670553a883778f0cc7d52bd3256f3824b8c8949b2", kill_on_drop: false }`
[INFO] [stdout] 3761861aa0d529f0eff5a28670553a883778f0cc7d52bd3256f3824b8c8949b2
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bb368472dedd3bb98da0fc3ac84f7c6078a7d93fca2573180999726318c321b
[INFO] running `Command { std: "docker" "start" "-a" "2bb368472dedd3bb98da0fc3ac84f7c6078a7d93fca2573180999726318c321b", kill_on_drop: false }`
[INFO] [stderr]    Compiling web_canvas v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "2bb368472dedd3bb98da0fc3ac84f7c6078a7d93fca2573180999726318c321b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bb368472dedd3bb98da0fc3ac84f7c6078a7d93fca2573180999726318c321b", kill_on_drop: false }`
[INFO] [stdout] 2bb368472dedd3bb98da0fc3ac84f7c6078a7d93fca2573180999726318c321b
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9653a9cc8aa2e2ce98b2cef515dbe62ef84eae784afa63d544adea799ae4a221
[INFO] running `Command { std: "docker" "start" "-a" "9653a9cc8aa2e2ce98b2cef515dbe62ef84eae784afa63d544adea799ae4a221", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/web_canvas-aa62df055e5b588e)
[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/web_canvas-aa62df055e5b588e` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "9653a9cc8aa2e2ce98b2cef515dbe62ef84eae784afa63d544adea799ae4a221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9653a9cc8aa2e2ce98b2cef515dbe62ef84eae784afa63d544adea799ae4a221", kill_on_drop: false }`
[INFO] [stdout] 9653a9cc8aa2e2ce98b2cef515dbe62ef84eae784afa63d544adea799ae4a221
