[INFO] fetching crate unicode-reverse 1.0.8...
[INFO] testing unicode-reverse-1.0.8 against 1.49.0 for beta-1.50-1
[INFO] extracting crate unicode-reverse 1.0.8 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate unicode-reverse 1.0.8 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 unicode-reverse 1.0.8
[INFO] finished tweaking crates.io crate unicode-reverse 1.0.8
[INFO] tweaked toml for crates.io crate unicode-reverse 1.0.8 written to /workspace/builds/worker-10/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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 318cce7a770cf6e963550809c2eb03dfbcb494f58b0ab4457dbc0f01aaed694c
[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" "318cce7a770cf6e963550809c2eb03dfbcb494f58b0ab4457dbc0f01aaed694c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "318cce7a770cf6e963550809c2eb03dfbcb494f58b0ab4457dbc0f01aaed694c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "318cce7a770cf6e963550809c2eb03dfbcb494f58b0ab4457dbc0f01aaed694c", kill_on_drop: false }`
[INFO] [stdout] 318cce7a770cf6e963550809c2eb03dfbcb494f58b0ab4457dbc0f01aaed694c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d46e5626c8c75fc1c7adf039f0114b07f0bee1839f8bf9e857c536d7b96b1e64
[INFO] running `Command { std: "docker" "start" "-a" "d46e5626c8c75fc1c7adf039f0114b07f0bee1839f8bf9e857c536d7b96b1e64", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-reverse v1.0.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "d46e5626c8c75fc1c7adf039f0114b07f0bee1839f8bf9e857c536d7b96b1e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d46e5626c8c75fc1c7adf039f0114b07f0bee1839f8bf9e857c536d7b96b1e64", kill_on_drop: false }`
[INFO] [stdout] d46e5626c8c75fc1c7adf039f0114b07f0bee1839f8bf9e857c536d7b96b1e64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 6df5fa69b22a5f1e83dfe25854411e00e12cb910fb88927e4954720e0ae07900
[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" "6df5fa69b22a5f1e83dfe25854411e00e12cb910fb88927e4954720e0ae07900", kill_on_drop: false }`
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling quickcheck v0.4.1
[INFO] [stderr]    Compiling unicode-reverse v1.0.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.67s
[INFO] running `Command { std: "docker" "inspect" "6df5fa69b22a5f1e83dfe25854411e00e12cb910fb88927e4954720e0ae07900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6df5fa69b22a5f1e83dfe25854411e00e12cb910fb88927e4954720e0ae07900", kill_on_drop: false }`
[INFO] [stdout] 6df5fa69b22a5f1e83dfe25854411e00e12cb910fb88927e4954720e0ae07900
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] aea8f4669eca188ca55fbe75564c6357d40b67cc3531967df58ee38f451a3188
[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" "aea8f4669eca188ca55fbe75564c6357d40b67cc3531967df58ee38f451a3188", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/unicode_reverse-4167f6784d761367
[INFO] [stdout] test tests::test_combining_mark ... ok
[INFO] [stdout] test tests::test_emoji ... ok
[INFO] [stdout] test tests::test_utf8 ... ok
[INFO] [stdout] test tests::test_empty ... ok
[INFO] [stdout] test tests::test_ascii ... ok
[INFO] [stdout] test tests::quickchecks ... 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 unicode-reverse
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - reverse_grapheme_clusters_in_place (line 88) ... ok
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aea8f4669eca188ca55fbe75564c6357d40b67cc3531967df58ee38f451a3188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aea8f4669eca188ca55fbe75564c6357d40b67cc3531967df58ee38f451a3188", kill_on_drop: false }`
[INFO] [stdout] aea8f4669eca188ca55fbe75564c6357d40b67cc3531967df58ee38f451a3188