[INFO] fetching crate wtf8 0.1.0...
[INFO] testing wtf8-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate wtf8 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate wtf8 0.1.0 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 wtf8 0.1.0
[INFO] finished tweaking crates.io crate wtf8 0.1.0
[INFO] tweaked toml for crates.io crate wtf8 0.1.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 283efc6747942eb174db84aee47884e0783020666766a24b0744f727e02294f5
[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" "283efc6747942eb174db84aee47884e0783020666766a24b0744f727e02294f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "283efc6747942eb174db84aee47884e0783020666766a24b0744f727e02294f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "283efc6747942eb174db84aee47884e0783020666766a24b0744f727e02294f5", kill_on_drop: false }`
[INFO] [stdout] 283efc6747942eb174db84aee47884e0783020666766a24b0744f727e02294f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] 924c32afe91598749302e801dd28e7fc1664ad102a7d0ff99c7f9ad28f022c88
[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" "924c32afe91598749302e801dd28e7fc1664ad102a7d0ff99c7f9ad28f022c88", kill_on_drop: false }`
[INFO] [stderr]    Compiling wtf8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "924c32afe91598749302e801dd28e7fc1664ad102a7d0ff99c7f9ad28f022c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "924c32afe91598749302e801dd28e7fc1664ad102a7d0ff99c7f9ad28f022c88", kill_on_drop: false }`
[INFO] [stdout] 924c32afe91598749302e801dd28e7fc1664ad102a7d0ff99c7f9ad28f022c88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 57884e1a071db98c557f7f5bbc68ed1c6805151ec182e9bd7eb0461dad19153f
[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" "57884e1a071db98c557f7f5bbc68ed1c6805151ec182e9bd7eb0461dad19153f", kill_on_drop: false }`
[INFO] [stderr]    Compiling wtf8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "57884e1a071db98c557f7f5bbc68ed1c6805151ec182e9bd7eb0461dad19153f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57884e1a071db98c557f7f5bbc68ed1c6805151ec182e9bd7eb0461dad19153f", kill_on_drop: false }`
[INFO] [stdout] 57884e1a071db98c557f7f5bbc68ed1c6805151ec182e9bd7eb0461dad19153f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 5405cd040c4b8218a0cc9fd246f20a1ff3fbb8df4a4d0500b5fc87e3a741be2e
[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" "5405cd040c4b8218a0cc9fd246f20a1ff3fbb8df4a4d0500b5fc87e3a741be2e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 37 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wtf8-61dc0f861240c649)
[INFO] [stdout] test tests::code_point_from_u32 ... ok
[INFO] [stdout] test tests::code_point_to_char ... ok
[INFO] [stdout] test tests::code_point_to_char_lossy ... ok
[INFO] [stdout] test tests::wtf8_ascii_byte_at ... ok
[INFO] [stdout] test tests::wtf8_debug ... ok
[INFO] [stdout] test tests::wtf8_code_points ... ok
[INFO] [stdout] test tests::wtf8_from_str ... ok
[INFO] [stdout] test tests::wtf8_len ... ok
[INFO] [stdout] test tests::wtf8_slice ... ok
[INFO] [stdout] test tests::wtf8_to_ill_formed_utf16 ... ok
[INFO] [stdout] test tests::wtf8_to_string_lossy ... ok
[INFO] [stdout] test tests::wtf8buf_as_slice ... ok
[INFO] [stdout] test tests::wtf8_slice_to ... ok
[INFO] [stdout] test tests::code_point_to_string ... ok
[INFO] [stdout] test tests::code_point_to_u32 ... ok
[INFO] [stdout] test tests::wtf8_as_str ... ok
[INFO] [stdout] test tests::wtf8_slice_from ... ok
[INFO] [stdout] test tests::code_point_from_char ... ok
[INFO] [stdout] test tests::wtf8buf_push_char ... ok
[INFO] [stdout] test tests::wtf8buf_push_str ... ok
[INFO] [stdout] test tests::wtf8buf_debug ... ok
[INFO] [stdout] test tests::wtf8buf_extend ... ok
[INFO] [stdout] test tests::wtf8buf_from_ill_formed_utf16 ... ok
[INFO] [stdout] test tests::wtf8buf_from_iterator ... ok
[INFO] [stdout] test tests::wtf8buf_push ... ok
[INFO] [stdout] test tests::wtf8buf_from_string ... ok
[INFO] [stdout] test tests::wtf8buf_push_wtf8 ... ok
[INFO] [stdout] test tests::wtf8buf_into_string ... ok
[INFO] [stdout] test tests::wtf8buf_new ... ok
[INFO] [stdout] test tests::wtf8buf_truncate ... ok
[INFO] [stdout] test tests::wtf8buf_into_string_lossy ... ok
[INFO] [stdout] test tests::wtf8buf_from_str ... ok
[INFO] [stdout] test tests::wtf8_slice_from_not_code_point_boundary - should panic ... ok
[INFO] [stdout] test tests::wtf8_slice_to_not_code_point_boundary - should panic ... ok
[INFO] [stdout] test tests::wtf8_slice_not_code_point_boundary - should panic ... ok
[INFO] [stdout] test tests::wtf8buf_truncate_fail_code_point_boundary - should panic ... ok
[INFO] [stdout] test tests::wtf8buf_truncate_fail_longer - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5405cd040c4b8218a0cc9fd246f20a1ff3fbb8df4a4d0500b5fc87e3a741be2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5405cd040c4b8218a0cc9fd246f20a1ff3fbb8df4a4d0500b5fc87e3a741be2e", kill_on_drop: false }`
[INFO] [stdout] 5405cd040c4b8218a0cc9fd246f20a1ff3fbb8df4a4d0500b5fc87e3a741be2e