[INFO] fetching crate wasm-compiler 0.0.0...
[INFO] testing wasm-compiler-0.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate wasm-compiler 0.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate wasm-compiler 0.0.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasm-compiler 0.0.0
[INFO] finished tweaking crates.io crate wasm-compiler 0.0.0
[INFO] tweaked toml for crates.io crate wasm-compiler 0.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fcab20316cd3d6e3ee1cef2c6da75ea64f9ff40d49ddf17b161f68fe1848ead
[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" "4fcab20316cd3d6e3ee1cef2c6da75ea64f9ff40d49ddf17b161f68fe1848ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fcab20316cd3d6e3ee1cef2c6da75ea64f9ff40d49ddf17b161f68fe1848ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fcab20316cd3d6e3ee1cef2c6da75ea64f9ff40d49ddf17b161f68fe1848ead", kill_on_drop: false }`
[INFO] [stdout] 4fcab20316cd3d6e3ee1cef2c6da75ea64f9ff40d49ddf17b161f68fe1848ead
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 6e9d293470f1d38fa204a0313b80dfa52ef4592a79491d19eee7f9ead7e353d5
[INFO] running `Command { std: "docker" "start" "-a" "6e9d293470f1d38fa204a0313b80dfa52ef4592a79491d19eee7f9ead7e353d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling cstring v0.1.1
[INFO] [stderr]    Compiling wasm-compiler v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "6e9d293470f1d38fa204a0313b80dfa52ef4592a79491d19eee7f9ead7e353d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e9d293470f1d38fa204a0313b80dfa52ef4592a79491d19eee7f9ead7e353d5", kill_on_drop: false }`
[INFO] [stdout] 6e9d293470f1d38fa204a0313b80dfa52ef4592a79491d19eee7f9ead7e353d5
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3417125cc019bfd56e14675ae6c1dee6c27fbfe792cf91afe7258fa1e5ada242
[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" "3417125cc019bfd56e14675ae6c1dee6c27fbfe792cf91afe7258fa1e5ada242", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-compiler v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "3417125cc019bfd56e14675ae6c1dee6c27fbfe792cf91afe7258fa1e5ada242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3417125cc019bfd56e14675ae6c1dee6c27fbfe792cf91afe7258fa1e5ada242", kill_on_drop: false }`
[INFO] [stdout] 3417125cc019bfd56e14675ae6c1dee6c27fbfe792cf91afe7258fa1e5ada242
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d7ef7a959984c060464b406747007c7f529e6bdde742ed31593febdf8c0d086e
[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" "d7ef7a959984c060464b406747007c7f529e6bdde742ed31593febdf8c0d086e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wasm_compiler-a790abad71b03517
[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/wasm_compiler-a790abad71b03517` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "d7ef7a959984c060464b406747007c7f529e6bdde742ed31593febdf8c0d086e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7ef7a959984c060464b406747007c7f529e6bdde742ed31593febdf8c0d086e", kill_on_drop: false }`
[INFO] [stdout] d7ef7a959984c060464b406747007c7f529e6bdde742ed31593febdf8c0d086e