[INFO] fetching crate waterui-str 0.2.1...
[INFO] testing waterui-str-0.2.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate waterui-str 0.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate waterui-str 0.2.1
[INFO] finished tweaking crates.io crate waterui-str 0.2.1
[INFO] tweaked toml for crates.io crate waterui-str 0.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate waterui-str 0.2.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate waterui-str 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nami-core v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bff293c4656754381eb9a5abe91b3b55bbb79604f023a205c7e12017e72b2d5
[INFO] running `Command { std: "docker" "start" "-a" "6bff293c4656754381eb9a5abe91b3b55bbb79604f023a205c7e12017e72b2d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bff293c4656754381eb9a5abe91b3b55bbb79604f023a205c7e12017e72b2d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bff293c4656754381eb9a5abe91b3b55bbb79604f023a205c7e12017e72b2d5", kill_on_drop: false }`
[INFO] [stdout] 6bff293c4656754381eb9a5abe91b3b55bbb79604f023a205c7e12017e72b2d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f4411305ac1767e14f7d7fea299face17bfde670466ff5fae7dd01afc587284
[INFO] running `Command { std: "docker" "start" "-a" "7f4411305ac1767e14f7d7fea299face17bfde670466ff5fae7dd01afc587284", kill_on_drop: false }`
[INFO] [stderr]    Compiling nami-core v0.3.1
[INFO] [stderr]    Compiling waterui-str v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "7f4411305ac1767e14f7d7fea299face17bfde670466ff5fae7dd01afc587284", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f4411305ac1767e14f7d7fea299face17bfde670466ff5fae7dd01afc587284", kill_on_drop: false }`
[INFO] [stdout] 7f4411305ac1767e14f7d7fea299face17bfde670466ff5fae7dd01afc587284
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a29b7efb4621e16e6f0138885d4b507fe2aa8fc4c27646e6ecde91cdd91290b1
[INFO] running `Command { std: "docker" "start" "-a" "a29b7efb4621e16e6f0138885d4b507fe2aa8fc4c27646e6ecde91cdd91290b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling waterui-str v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "a29b7efb4621e16e6f0138885d4b507fe2aa8fc4c27646e6ecde91cdd91290b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a29b7efb4621e16e6f0138885d4b507fe2aa8fc4c27646e6ecde91cdd91290b1", kill_on_drop: false }`
[INFO] [stdout] a29b7efb4621e16e6f0138885d4b507fe2aa8fc4c27646e6ecde91cdd91290b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6f763abc6446803ca4edda5f4775666ecf2deea14b1e7083e5d25d4855074190
[INFO] running `Command { std: "docker" "start" "-a" "6f763abc6446803ca4edda5f4775666ecf2deea14b1e7083e5d25d4855074190", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/waterui_str-a5b0c41004ae06ce)
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test tests::test_deref ... ok
[INFO] [stdout] test tests::test_empty_string ... ok
[INFO] [stdout] test tests::test_from_utf8_valid ... ok
[INFO] [stdout] test tests::test_from_utf8_unchecked ... ok
[INFO] [stdout] test tests::test_from_utf8_invalid ... ok
[INFO] [stdout] test tests::test_into_string_shared ... ok
[INFO] [stdout] test tests::test_as_bytes ... ok
[INFO] [stdout] test tests::test_into_string_static ... ok
[INFO] [stdout] test tests::test_into_string_unique ... ok
[INFO] [stdout] test tests::test_memory_safety_clone_drop_cycles ... ok
[INFO] [stdout] test tests::test_append ... ok
[INFO] [stdout] test tests::test_owned_string_clone ... ok
[INFO] [stdout] test tests::test_memory_safety_into_string_with_clones ... ok
[INFO] [stdout] test tests::test_memory_safety_large_strings ... ok
[INFO] [stdout] test tests::test_memory_safety_mixed_operations ... ok
[INFO] [stdout] test tests::test_memory_safety_reference_counting ... ok
[INFO] [stdout] test tests::test_owned_string_creation ... ok
[INFO] [stdout] test tests::test_memory_safety_ptr_stability ... ok
[INFO] [stdout] test tests::test_memory_safety_alternating_clone_drop ... ok
[INFO] [stdout] test tests::test_reference_counting_drop ... ok
[INFO] [stdout] test tests::test_multiple_clones ... ok
[INFO] [stdout] test tests::test_append_static_to_owned ... ok
[INFO] [stdout] test tests::test_memory_safety_unique_into_string ... ok
[INFO] [stdout] test tests::test_memory_safety_concurrent_like_pattern ... ok
[INFO] [stdout] test tests::test_memory_safety_zero_length_edge_cases ... ok
[INFO] [stdout] test tests::test_static_string_creation ... ok
[INFO] [stdout] test tests::test_memory_safety_static_vs_owned ... ok
[INFO] [stdout] test tests::test_static_string_clone ... ok
[INFO] [stdout] test tests::test_memory_safety_interleaved_operations ... ok
[INFO] [stdout] test tests::test_empty_string_from_string ... ok
[INFO] [stdout] test tests::test_memory_safety_drop_order_stress ... ok
[INFO] [stderr]    Doc-tests waterui_str
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test src/../README.md - (line 112) ... ok
[INFO] [stdout] test src/../README.md - (line 148) ... ok
[INFO] [stdout] test src/../README.md - (line 36) ... ok
[INFO] [stdout] test src/../README.md - (line 93) ... ok
[INFO] [stdout] test src/lib.rs - Str::from (line 434) ... ok
[INFO] [stdout] test src/lib.rs - Str::append (line 414) ... ok
[INFO] [stdout] test src/lib.rs - Str::as_str (line 243) ... ok
[INFO] [stdout] test src/lib.rs - Str::new (line 337) ... ok
[INFO] [stdout] test src/../README.md - (line 79) ... ok
[INFO] [stdout] test src/../README.md - (line 132) ... ok
[INFO] [stdout] test src/lib.rs - Str::from_utf8_unchecked (line 385) ... ok
[INFO] [stdout] test src/lib.rs - Str::from (line 453) ... ok
[INFO] [stdout] test src/lib.rs - Str::from_static (line 187) ... ok
[INFO] [stdout] test src/lib.rs - Str::from_utf8 (line 361) ... ok
[INFO] [stdout] test src/lib.rs - Str::is_empty (line 278) ... ok
[INFO] [stdout] test src/lib.rs - Str::into_string (line 300) ... ok
[INFO] [stdout] test src/lib.rs - Str::len (line 264) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.70s; merged doctests compilation took 0.67s
[INFO] running `Command { std: "docker" "inspect" "6f763abc6446803ca4edda5f4775666ecf2deea14b1e7083e5d25d4855074190", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f763abc6446803ca4edda5f4775666ecf2deea14b1e7083e5d25d4855074190", kill_on_drop: false }`
[INFO] [stdout] 6f763abc6446803ca4edda5f4775666ecf2deea14b1e7083e5d25d4855074190