[INFO] fetching crate polar-wasm 0.1.0...
[INFO] testing polar-wasm-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate polar-wasm 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate polar-wasm 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polar-wasm 0.1.0
[INFO] finished tweaking crates.io crate polar-wasm 0.1.0
[INFO] tweaked toml for crates.io crate polar-wasm 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate polar-wasm 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 317054e7c1dd5b86c2020bdc8ac9384ef434bcb928cbb4037fbf9366b5cdac65
[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" "317054e7c1dd5b86c2020bdc8ac9384ef434bcb928cbb4037fbf9366b5cdac65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "317054e7c1dd5b86c2020bdc8ac9384ef434bcb928cbb4037fbf9366b5cdac65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "317054e7c1dd5b86c2020bdc8ac9384ef434bcb928cbb4037fbf9366b5cdac65", kill_on_drop: false }`
[INFO] [stdout] 317054e7c1dd5b86c2020bdc8ac9384ef434bcb928cbb4037fbf9366b5cdac65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0891038d14eeee9a0f18d59c0c48219039e02a495e935e0cdfcfe0d3c4fc6fb6
[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" "0891038d14eeee9a0f18d59c0c48219039e02a495e935e0cdfcfe0d3c4fc6fb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling polar-wasm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "0891038d14eeee9a0f18d59c0c48219039e02a495e935e0cdfcfe0d3c4fc6fb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0891038d14eeee9a0f18d59c0c48219039e02a495e935e0cdfcfe0d3c4fc6fb6", kill_on_drop: false }`
[INFO] [stdout] 0891038d14eeee9a0f18d59c0c48219039e02a495e935e0cdfcfe0d3c4fc6fb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.49.0" "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] fc492b279f2ccdfa4c1cce199510aa86e6abcdf3c95afdeb81d44e5beb2164fb
[INFO] running `Command { std: "docker" "start" "-a" "fc492b279f2ccdfa4c1cce199510aa86e6abcdf3c95afdeb81d44e5beb2164fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling polar-wasm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "fc492b279f2ccdfa4c1cce199510aa86e6abcdf3c95afdeb81d44e5beb2164fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc492b279f2ccdfa4c1cce199510aa86e6abcdf3c95afdeb81d44e5beb2164fb", kill_on_drop: false }`
[INFO] [stdout] fc492b279f2ccdfa4c1cce199510aa86e6abcdf3c95afdeb81d44e5beb2164fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1e90cb581a4c1eaa691301e9e8a31e117dedf32caaba5270948d5cbb9668824a
[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" "1e90cb581a4c1eaa691301e9e8a31e117dedf32caaba5270948d5cbb9668824a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/polar_wasm-0fcd7fbb8d909af5
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1e90cb581a4c1eaa691301e9e8a31e117dedf32caaba5270948d5cbb9668824a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e90cb581a4c1eaa691301e9e8a31e117dedf32caaba5270948d5cbb9668824a", kill_on_drop: false }`
[INFO] [stdout] 1e90cb581a4c1eaa691301e9e8a31e117dedf32caaba5270948d5cbb9668824a