[INFO] fetching crate wtf8 0.1.0...
[INFO] testing wtf8-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate wtf8 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate wtf8 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1bda4a0d9e859a03442348148dc313c0a3a662988c25b672784938f424d3876
[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" "b1bda4a0d9e859a03442348148dc313c0a3a662988c25b672784938f424d3876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1bda4a0d9e859a03442348148dc313c0a3a662988c25b672784938f424d3876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1bda4a0d9e859a03442348148dc313c0a3a662988c25b672784938f424d3876", kill_on_drop: false }`
[INFO] [stdout] b1bda4a0d9e859a03442348148dc313c0a3a662988c25b672784938f424d3876
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9c1ad9aa7eed0d7976391bee3bca9d1a0cf41638ae510c988c7e24c46a84077
[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" "e9c1ad9aa7eed0d7976391bee3bca9d1a0cf41638ae510c988c7e24c46a84077", kill_on_drop: false }`
[INFO] [stderr]    Compiling wtf8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "e9c1ad9aa7eed0d7976391bee3bca9d1a0cf41638ae510c988c7e24c46a84077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9c1ad9aa7eed0d7976391bee3bca9d1a0cf41638ae510c988c7e24c46a84077", kill_on_drop: false }`
[INFO] [stdout] e9c1ad9aa7eed0d7976391bee3bca9d1a0cf41638ae510c988c7e24c46a84077
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a0d42937b7160b68614fcd00382338cecdc02b30b9cb6cf2565d5b02bb1070f
[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" "9a0d42937b7160b68614fcd00382338cecdc02b30b9cb6cf2565d5b02bb1070f", kill_on_drop: false }`
[INFO] [stderr]    Compiling wtf8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "9a0d42937b7160b68614fcd00382338cecdc02b30b9cb6cf2565d5b02bb1070f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a0d42937b7160b68614fcd00382338cecdc02b30b9cb6cf2565d5b02bb1070f", kill_on_drop: false }`
[INFO] [stdout] 9a0d42937b7160b68614fcd00382338cecdc02b30b9cb6cf2565d5b02bb1070f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1ae7edf164776d3c00fddefd671aa7681e734b49db2f29465843687c3c18c7b5
[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" "1ae7edf164776d3c00fddefd671aa7681e734b49db2f29465843687c3c18c7b5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wtf8-9853061cf770438d)
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[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_debug ... 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_slice_from ... ok
[INFO] [stdout] test tests::wtf8buf_extend ... ok
[INFO] [stdout] test tests::wtf8_to_ill_formed_utf16 ... ok
[INFO] [stdout] test tests::wtf8_code_points ... ok
[INFO] [stdout] test tests::wtf8buf_from_ill_formed_utf16 ... ok
[INFO] [stdout] test tests::wtf8buf_from_iterator ... ok
[INFO] [stdout] test tests::wtf8buf_from_str ... ok
[INFO] [stdout] test tests::wtf8buf_from_string ... ok
[INFO] [stdout] test tests::wtf8_slice_to ... ok
[INFO] [stdout] test tests::wtf8buf_debug ... ok
[INFO] [stdout] test tests::wtf8_as_str ... ok
[INFO] [stdout] test tests::wtf8_ascii_byte_at ... ok
[INFO] [stdout] test tests::code_point_to_u32 ... ok
[INFO] [stdout] test tests::code_point_to_string ... ok
[INFO] [stdout] test tests::code_point_from_char ... ok
[INFO] [stdout] test tests::wtf8buf_as_slice ... ok
[INFO] [stdout] test tests::wtf8buf_into_string ... ok
[INFO] [stdout] test tests::wtf8buf_into_string_lossy ... ok
[INFO] [stdout] test tests::wtf8buf_new ... ok
[INFO] [stdout] test tests::wtf8_to_string_lossy ... ok
[INFO] [stdout] test tests::wtf8buf_push ... ok
[INFO] [stdout] test tests::wtf8buf_push_str ... ok
[INFO] [stdout] test tests::wtf8buf_push_char ... ok
[INFO] [stdout] test tests::wtf8buf_truncate ... ok
[INFO] [stdout] test tests::wtf8buf_push_wtf8 ... ok
[INFO] [stdout] test tests::wtf8_slice_from_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_longer - should panic ... ok
[INFO] [stdout] test tests::wtf8buf_truncate_fail_code_point_boundary - should panic ... ok
[INFO] [stdout] test tests::wtf8_slice_to_not_code_point_boundary - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1ae7edf164776d3c00fddefd671aa7681e734b49db2f29465843687c3c18c7b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ae7edf164776d3c00fddefd671aa7681e734b49db2f29465843687c3c18c7b5", kill_on_drop: false }`
[INFO] [stdout] 1ae7edf164776d3c00fddefd671aa7681e734b49db2f29465843687c3c18c7b5