[INFO] fetching crate web_random 0.1.5...
[INFO] testing web_random-0.1.5 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate web_random 0.1.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate web_random 0.1.5 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate web_random 0.1.5
[INFO] finished tweaking crates.io crate web_random 0.1.5
[INFO] tweaked toml for crates.io crate web_random 0.1.5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02219d8640ab17ce5e06ef08c545c0cb7e645e7cf0c8b2fa7c6b20809f2441d4
[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" "02219d8640ab17ce5e06ef08c545c0cb7e645e7cf0c8b2fa7c6b20809f2441d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02219d8640ab17ce5e06ef08c545c0cb7e645e7cf0c8b2fa7c6b20809f2441d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02219d8640ab17ce5e06ef08c545c0cb7e645e7cf0c8b2fa7c6b20809f2441d4", kill_on_drop: false }`
[INFO] [stdout] 02219d8640ab17ce5e06ef08c545c0cb7e645e7cf0c8b2fa7c6b20809f2441d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82333f2001e790fd6875677a7958cd7b7e4e1d0dd8aae0c73f00f21a4a95c718
[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" "82333f2001e790fd6875677a7958cd7b7e4e1d0dd8aae0c73f00f21a4a95c718", kill_on_drop: false }`
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cstring v0.0.5
[INFO] [stderr]    Compiling callback v0.5.3
[INFO] [stderr]    Compiling js v0.3.0
[INFO] [stderr]    Compiling web_random v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `Command { std: "docker" "inspect" "82333f2001e790fd6875677a7958cd7b7e4e1d0dd8aae0c73f00f21a4a95c718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82333f2001e790fd6875677a7958cd7b7e4e1d0dd8aae0c73f00f21a4a95c718", kill_on_drop: false }`
[INFO] [stdout] 82333f2001e790fd6875677a7958cd7b7e4e1d0dd8aae0c73f00f21a4a95c718
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] 7b606b47e6c5a36f080a572cbe5e96f7a8f162707efaa194f7ace1bd444ec19d
[INFO] running `Command { std: "docker" "start" "-a" "7b606b47e6c5a36f080a572cbe5e96f7a8f162707efaa194f7ace1bd444ec19d", kill_on_drop: false }`
[INFO] [stderr]    Compiling web_random v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "7b606b47e6c5a36f080a572cbe5e96f7a8f162707efaa194f7ace1bd444ec19d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b606b47e6c5a36f080a572cbe5e96f7a8f162707efaa194f7ace1bd444ec19d", kill_on_drop: false }`
[INFO] [stdout] 7b606b47e6c5a36f080a572cbe5e96f7a8f162707efaa194f7ace1bd444ec19d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 03ba9452b8fc00591eff7d275e8219b9d99bf377dfc121c2a23335123f054212
[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" "03ba9452b8fc00591eff7d275e8219b9d99bf377dfc121c2a23335123f054212", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/web_random-308fc52d41d2811e)
[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_random-308fc52d41d2811e` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "03ba9452b8fc00591eff7d275e8219b9d99bf377dfc121c2a23335123f054212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03ba9452b8fc00591eff7d275e8219b9d99bf377dfc121c2a23335123f054212", kill_on_drop: false }`
[INFO] [stdout] 03ba9452b8fc00591eff7d275e8219b9d99bf377dfc121c2a23335123f054212