[INFO] fetching crate web 0.1.15...
[INFO] testing web-0.1.15 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate web 0.1.15 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate web 0.1.15 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate web 0.1.15
[INFO] finished tweaking crates.io crate web 0.1.15
[INFO] tweaked toml for crates.io crate web 0.1.15 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded web_canvas v0.0.7
[INFO] [stderr]   Downloaded html_color v0.0.0
[INFO] [stderr]   Downloaded web-dom v0.3.9
[INFO] [stderr]   Downloaded webcomponent v0.6.2
[INFO] [stderr]   Downloaded web_console v0.3.7
[INFO] [stderr]   Downloaded web_timer v0.2.5
[INFO] [stderr]   Downloaded class_names v0.0.1
[INFO] [stderr]   Downloaded web_random v0.1.5
[INFO] [stderr]   Downloaded web_local_storage v0.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecbadd71b991e270f369ef54fc2411585259a2485b06be8c585b03f9fd286eee
[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" "ecbadd71b991e270f369ef54fc2411585259a2485b06be8c585b03f9fd286eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecbadd71b991e270f369ef54fc2411585259a2485b06be8c585b03f9fd286eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecbadd71b991e270f369ef54fc2411585259a2485b06be8c585b03f9fd286eee", kill_on_drop: false }`
[INFO] [stdout] ecbadd71b991e270f369ef54fc2411585259a2485b06be8c585b03f9fd286eee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] 663e23243c5e287dca72511715c9b6f3e65304a7605000de18b34fd0f86b892d
[INFO] running `Command { std: "docker" "start" "-a" "663e23243c5e287dca72511715c9b6f3e65304a7605000de18b34fd0f86b892d", kill_on_drop: false }`
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling cty v0.2.1
[INFO] [stderr]    Compiling spin v0.7.1
[INFO] [stderr]    Compiling html_color v0.0.0
[INFO] [stderr]    Compiling class_names v0.0.1
[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 cstring v0.0.5
[INFO] [stderr]    Compiling js v0.3.0
[INFO] [stderr]    Compiling web_common v0.4.2
[INFO] [stderr]    Compiling web_timer v0.2.5
[INFO] [stderr]    Compiling web_local_storage v0.0.2
[INFO] [stderr]    Compiling web_random v0.1.5
[INFO] [stderr]    Compiling web_canvas v0.0.7
[INFO] [stderr]    Compiling web_console v0.3.7
[INFO] [stderr]    Compiling webcomponent v0.6.2
[INFO] [stderr]    Compiling web-dom v0.3.9
[INFO] [stderr]    Compiling web v0.1.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.65s
[INFO] running `Command { std: "docker" "inspect" "663e23243c5e287dca72511715c9b6f3e65304a7605000de18b34fd0f86b892d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "663e23243c5e287dca72511715c9b6f3e65304a7605000de18b34fd0f86b892d", kill_on_drop: false }`
[INFO] [stdout] 663e23243c5e287dca72511715c9b6f3e65304a7605000de18b34fd0f86b892d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b8d9431b503d83d1c3d924fe9c584a40b99ed7b53274673768b93d942e8de31
[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" "5b8d9431b503d83d1c3d924fe9c584a40b99ed7b53274673768b93d942e8de31", kill_on_drop: false }`
[INFO] [stderr]    Compiling web v0.1.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "5b8d9431b503d83d1c3d924fe9c584a40b99ed7b53274673768b93d942e8de31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b8d9431b503d83d1c3d924fe9c584a40b99ed7b53274673768b93d942e8de31", kill_on_drop: false }`
[INFO] [stdout] 5b8d9431b503d83d1c3d924fe9c584a40b99ed7b53274673768b93d942e8de31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 489b2f222f83b56539d52ca99639190219aadacdf313b5b19ef689f1b8c66fc2
[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" "489b2f222f83b56539d52ca99639190219aadacdf313b5b19ef689f1b8c66fc2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/web-b1cda71f927db035)
[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-b1cda71f927db035` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "489b2f222f83b56539d52ca99639190219aadacdf313b5b19ef689f1b8c66fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "489b2f222f83b56539d52ca99639190219aadacdf313b5b19ef689f1b8c66fc2", kill_on_drop: false }`
[INFO] [stdout] 489b2f222f83b56539d52ca99639190219aadacdf313b5b19ef689f1b8c66fc2