[INFO] fetching crate owasm2 0.1.8...
[INFO] testing owasm2-0.1.8 against 1.49.0 for beta-1.50-1
[INFO] extracting crate owasm2 0.1.8 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate owasm2 0.1.8 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 owasm2 0.1.8
[INFO] finished tweaking crates.io crate owasm2 0.1.8
[INFO] tweaked toml for crates.io crate owasm2 0.1.8 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 55316ec73682b29ef7fcdf29644e98ef397bdad90d517cc84b78e6cc3bdf0580
[INFO] running `Command { std: "docker" "start" "-a" "55316ec73682b29ef7fcdf29644e98ef397bdad90d517cc84b78e6cc3bdf0580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55316ec73682b29ef7fcdf29644e98ef397bdad90d517cc84b78e6cc3bdf0580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55316ec73682b29ef7fcdf29644e98ef397bdad90d517cc84b78e6cc3bdf0580", kill_on_drop: false }`
[INFO] [stdout] 55316ec73682b29ef7fcdf29644e98ef397bdad90d517cc84b78e6cc3bdf0580
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] cf8ec43acb0a56be360e0f5abd644a6702ab62cfe63beb1f656160c3839012b5
[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" "cf8ec43acb0a56be360e0f5abd644a6702ab62cfe63beb1f656160c3839012b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling owasm2 v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "cf8ec43acb0a56be360e0f5abd644a6702ab62cfe63beb1f656160c3839012b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf8ec43acb0a56be360e0f5abd644a6702ab62cfe63beb1f656160c3839012b5", kill_on_drop: false }`
[INFO] [stdout] cf8ec43acb0a56be360e0f5abd644a6702ab62cfe63beb1f656160c3839012b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] 4cd210fe932f17c98b8619d2fa94b4219ce27102d3392fd49da4337486a3fcf3
[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" "4cd210fe932f17c98b8619d2fa94b4219ce27102d3392fd49da4337486a3fcf3", kill_on_drop: false }`
[INFO] [stderr]    Compiling owasm2 v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "4cd210fe932f17c98b8619d2fa94b4219ce27102d3392fd49da4337486a3fcf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cd210fe932f17c98b8619d2fa94b4219ce27102d3392fd49da4337486a3fcf3", kill_on_drop: false }`
[INFO] [stdout] 4cd210fe932f17c98b8619d2fa94b4219ce27102d3392fd49da4337486a3fcf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 65e4f4db74f192e1cb135757fb3e3fc982a7509c8851c2649b6b62d4b3d5c432
[INFO] running `Command { std: "docker" "start" "-a" "65e4f4db74f192e1cb135757fb3e3fc982a7509c8851c2649b6b62d4b3d5c432", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/owasm2-56fb7c2c8ba84f32
[INFO] [stdout] running 22 tests
[INFO] [stdout] test ext::tests::test_majority_char ... ok
[INFO] [stdout] test ext::tests::test_majority_char_result_none ... ok
[INFO] [stdout] test ext::tests::test_majority_float ... ok
[INFO] [stdout] test ext::tests::test_majority_float_result_none ... ok
[INFO] [stdout] test ext::tests::test_average_single_int ... ok
[INFO] [stdout] test ext::tests::test_average_single_float ... ok
[INFO] [stdout] test ext::tests::test_average_float ... ok
[INFO] [stdout] test ext::tests::test_average_int ... ok
[INFO] [stdout] test ext::tests::test_majority_int ... ok
[INFO] [stdout] test ext::tests::test_majority_int_result_none ... ok
[INFO] [stdout] test ext::tests::test_majority_single_float ... ok
[INFO] [stdout] test ext::tests::test_majority_single_string ... ok
[INFO] [stdout] test ext::tests::test_majority_single_int ... ok
[INFO] [stdout] test ext::tests::test_majority_single_char ... ok
[INFO] [stdout] test ext::tests::test_majority_string ... ok
[INFO] [stderr]    Doc-tests owasm2
[INFO] [stdout] test ext::tests::test_median_single_float ... ok
[INFO] [stdout] test ext::tests::test_median_even_float ... ok
[INFO] [stdout] test ext::tests::test_median_odd_int ... ok
[INFO] [stdout] test ext::tests::test_median_even_int ... ok
[INFO] [stdout] test ext::tests::test_majority_string_result_none ... ok
[INFO] [stdout] test ext::tests::test_median_single_int ... ok
[INFO] [stdout] test ext::tests::test_median_odd_float ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "65e4f4db74f192e1cb135757fb3e3fc982a7509c8851c2649b6b62d4b3d5c432", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65e4f4db74f192e1cb135757fb3e3fc982a7509c8851c2649b6b62d4b3d5c432", kill_on_drop: false }`
[INFO] [stdout] 65e4f4db74f192e1cb135757fb3e3fc982a7509c8851c2649b6b62d4b3d5c432