[INFO] fetching crate kwindex 0.1.2...
[INFO] testing kwindex-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate kwindex 0.1.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate kwindex 0.1.2 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 kwindex 0.1.2
[INFO] finished tweaking crates.io crate kwindex 0.1.2
[INFO] tweaked toml for crates.io crate kwindex 0.1.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate kwindex 0.1.2 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 2597391f988e4b5c9302d294da6cdb1a676d3a1033df97a6eb6a50eef9af41bd
[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" "2597391f988e4b5c9302d294da6cdb1a676d3a1033df97a6eb6a50eef9af41bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2597391f988e4b5c9302d294da6cdb1a676d3a1033df97a6eb6a50eef9af41bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2597391f988e4b5c9302d294da6cdb1a676d3a1033df97a6eb6a50eef9af41bd", kill_on_drop: false }`
[INFO] [stdout] 2597391f988e4b5c9302d294da6cdb1a676d3a1033df97a6eb6a50eef9af41bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 1ce4399b53425b173c256cbd2c671e3e3f6d081a2a31218985e6d2e602213938
[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" "1ce4399b53425b173c256cbd2c671e3e3f6d081a2a31218985e6d2e602213938", kill_on_drop: false }`
[INFO] [stderr]    Compiling kwindex v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "1ce4399b53425b173c256cbd2c671e3e3f6d081a2a31218985e6d2e602213938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ce4399b53425b173c256cbd2c671e3e3f6d081a2a31218985e6d2e602213938", kill_on_drop: false }`
[INFO] [stdout] 1ce4399b53425b173c256cbd2c671e3e3f6d081a2a31218985e6d2e602213938
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 728b4c6e3fe27a69a94a32eb743a75e90d83c4147dd1f40c9b8e2bb278c92c9b
[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" "728b4c6e3fe27a69a94a32eb743a75e90d83c4147dd1f40c9b8e2bb278c92c9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling kwindex v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "728b4c6e3fe27a69a94a32eb743a75e90d83c4147dd1f40c9b8e2bb278c92c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "728b4c6e3fe27a69a94a32eb743a75e90d83c4147dd1f40c9b8e2bb278c92c9b", kill_on_drop: false }`
[INFO] [stdout] 728b4c6e3fe27a69a94a32eb743a75e90d83c4147dd1f40c9b8e2bb278c92c9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 82e908b307b39074eb107d0eb844c6c9bc33758982f23c9c8857978263ae09da
[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" "82e908b307b39074eb107d0eb844c6c9bc33758982f23c9c8857978263ae09da", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/kwindex-60cc50ecc9240162
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test-d11422e9673e0c4e
[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] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test kwindex_tests::test_is_empty ... ok
[INFO] [stdout] test kwindex_tests::test_is_not_empty ... ok
[INFO] [stdout] test kwindex_tests::test_count_matches ... ok
[INFO] [stdout] test kwindex_tests::test_len ... ok
[INFO] [stdout] test kwindex_tests::test_len2 ... ok
[INFO] [stdout] test kwindex_tests::test_count_matches2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kwindex
[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" "82e908b307b39074eb107d0eb844c6c9bc33758982f23c9c8857978263ae09da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82e908b307b39074eb107d0eb844c6c9bc33758982f23c9c8857978263ae09da", kill_on_drop: false }`
[INFO] [stdout] 82e908b307b39074eb107d0eb844c6c9bc33758982f23c9c8857978263ae09da