[INFO] fetching crate web_canvas 0.0.7...
[INFO] testing web_canvas-0.0.7 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate web_canvas 0.0.7 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate web_canvas 0.0.7 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 657e0f225fb1d77f1c7d0b55adba7c3446c9175e0ff6a58c351d027ec0dfc0a0
[INFO] running `Command { std: "docker" "start" "-a" "657e0f225fb1d77f1c7d0b55adba7c3446c9175e0ff6a58c351d027ec0dfc0a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "657e0f225fb1d77f1c7d0b55adba7c3446c9175e0ff6a58c351d027ec0dfc0a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "657e0f225fb1d77f1c7d0b55adba7c3446c9175e0ff6a58c351d027ec0dfc0a0", kill_on_drop: false }`
[INFO] [stdout] 657e0f225fb1d77f1c7d0b55adba7c3446c9175e0ff6a58c351d027ec0dfc0a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fdfd32ebcaadc9225026fb231fc3d89f325e074f3e113efef1e891f75865551
[INFO] running `Command { std: "docker" "start" "-a" "6fdfd32ebcaadc9225026fb231fc3d89f325e074f3e113efef1e891f75865551", kill_on_drop: false }`
[INFO] [stderr]    Compiling web_canvas v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "6fdfd32ebcaadc9225026fb231fc3d89f325e074f3e113efef1e891f75865551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fdfd32ebcaadc9225026fb231fc3d89f325e074f3e113efef1e891f75865551", kill_on_drop: false }`
[INFO] [stdout] 6fdfd32ebcaadc9225026fb231fc3d89f325e074f3e113efef1e891f75865551
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a02df56d1afd0f4d3e6eb583ee7e860678a2d611126857f15c300e6e4315d33f
[INFO] running `Command { std: "docker" "start" "-a" "a02df56d1afd0f4d3e6eb583ee7e860678a2d611126857f15c300e6e4315d33f", kill_on_drop: false }`
[INFO] [stderr]    Compiling web_canvas v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "a02df56d1afd0f4d3e6eb583ee7e860678a2d611126857f15c300e6e4315d33f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a02df56d1afd0f4d3e6eb583ee7e860678a2d611126857f15c300e6e4315d33f", kill_on_drop: false }`
[INFO] [stdout] a02df56d1afd0f4d3e6eb583ee7e860678a2d611126857f15c300e6e4315d33f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 523c3206d1aa786394b86942cf7019a2e33347599c43ecd4e6bd0b8d84dcdc8e
[INFO] running `Command { std: "docker" "start" "-a" "523c3206d1aa786394b86942cf7019a2e33347599c43ecd4e6bd0b8d84dcdc8e", 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-2965df8a583e59cd)
[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-2965df8a583e59cd` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "523c3206d1aa786394b86942cf7019a2e33347599c43ecd4e6bd0b8d84dcdc8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "523c3206d1aa786394b86942cf7019a2e33347599c43ecd4e6bd0b8d84dcdc8e", kill_on_drop: false }`
[INFO] [stdout] 523c3206d1aa786394b86942cf7019a2e33347599c43ecd4e6bd0b8d84dcdc8e
