[INFO] fetching crate kwindex 0.1.2...
[INFO] testing kwindex-0.1.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate kwindex 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate kwindex 0.1.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-1/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 498b992f5edbb4342ea6531ec049bfd68c80514e50d82596db666f8e9752d5c9
[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" "498b992f5edbb4342ea6531ec049bfd68c80514e50d82596db666f8e9752d5c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "498b992f5edbb4342ea6531ec049bfd68c80514e50d82596db666f8e9752d5c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "498b992f5edbb4342ea6531ec049bfd68c80514e50d82596db666f8e9752d5c9", kill_on_drop: false }`
[INFO] [stdout] 498b992f5edbb4342ea6531ec049bfd68c80514e50d82596db666f8e9752d5c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 62393eb0ab0702d22157249dea1c3d866610120be2cc8d77a3485c802b606fd5
[INFO] running `Command { std: "docker" "start" "-a" "62393eb0ab0702d22157249dea1c3d866610120be2cc8d77a3485c802b606fd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling kwindex v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "62393eb0ab0702d22157249dea1c3d866610120be2cc8d77a3485c802b606fd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62393eb0ab0702d22157249dea1c3d866610120be2cc8d77a3485c802b606fd5", kill_on_drop: false }`
[INFO] [stdout] 62393eb0ab0702d22157249dea1c3d866610120be2cc8d77a3485c802b606fd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f35a11b368afdb4d3fc5bb1b745ec81706697772a0238ea936e6c3c51efb1d5
[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" "7f35a11b368afdb4d3fc5bb1b745ec81706697772a0238ea936e6c3c51efb1d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling kwindex v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "7f35a11b368afdb4d3fc5bb1b745ec81706697772a0238ea936e6c3c51efb1d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f35a11b368afdb4d3fc5bb1b745ec81706697772a0238ea936e6c3c51efb1d5", kill_on_drop: false }`
[INFO] [stdout] 7f35a11b368afdb4d3fc5bb1b745ec81706697772a0238ea936e6c3c51efb1d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 848b099bb73e5a2b0658bb5629c5e614d3115a6e325f29d4eea725332cc31e9a
[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" "848b099bb73e5a2b0658bb5629c5e614d3115a6e325f29d4eea725332cc31e9a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kwindex-baa889f78941deec)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-40b2d1fecb7b684a)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test kwindex_tests::test_count_matches ... ok
[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_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; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "848b099bb73e5a2b0658bb5629c5e614d3115a6e325f29d4eea725332cc31e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "848b099bb73e5a2b0658bb5629c5e614d3115a6e325f29d4eea725332cc31e9a", kill_on_drop: false }`
[INFO] [stdout] 848b099bb73e5a2b0658bb5629c5e614d3115a6e325f29d4eea725332cc31e9a