[INFO] fetching crate jstring 0.1.0...
[INFO] testing jstring-0.1.0 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate jstring 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate jstring 0.1.0
[INFO] finished tweaking crates.io crate jstring 0.1.0
[INFO] tweaked toml for crates.io crate jstring 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jstring 0.1.0 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c93b09b82b07c7197d49ac683c913a3e00f0fa7c24823a330ff4ba4bd0feaad
[INFO] running `Command { std: "docker" "start" "-a" "6c93b09b82b07c7197d49ac683c913a3e00f0fa7c24823a330ff4ba4bd0feaad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c93b09b82b07c7197d49ac683c913a3e00f0fa7c24823a330ff4ba4bd0feaad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c93b09b82b07c7197d49ac683c913a3e00f0fa7c24823a330ff4ba4bd0feaad", kill_on_drop: false }`
[INFO] [stdout] 6c93b09b82b07c7197d49ac683c913a3e00f0fa7c24823a330ff4ba4bd0feaad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b7734d3a1a07807394268c7498dabdd892f228d82026f85c412f23e2c758468
[INFO] running `Command { std: "docker" "start" "-a" "3b7734d3a1a07807394268c7498dabdd892f228d82026f85c412f23e2c758468", kill_on_drop: false }`
[INFO] [stderr]    Compiling jstring v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]   --> src/raw_string.rs:88:18
[INFO] [stdout]    |
[INFO] [stdout] 88 |         unsafe { &mut *(self.get_bytes() as *const [u8] as *mut [u8]) }
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout]    = note: `#[warn(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "3b7734d3a1a07807394268c7498dabdd892f228d82026f85c412f23e2c758468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b7734d3a1a07807394268c7498dabdd892f228d82026f85c412f23e2c758468", kill_on_drop: false }`
[INFO] [stdout] 3b7734d3a1a07807394268c7498dabdd892f228d82026f85c412f23e2c758468
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1dad74202b3f4d7fc7802bf225c204be7cbc557d18aafad93d66cabd773174d0
[INFO] running `Command { std: "docker" "start" "-a" "1dad74202b3f4d7fc7802bf225c204be7cbc557d18aafad93d66cabd773174d0", kill_on_drop: false }`
[INFO] [stdout] warning: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]   --> src/raw_string.rs:88:18
[INFO] [stdout]    |
[INFO] [stdout] 88 |         unsafe { &mut *(self.get_bytes() as *const [u8] as *mut [u8]) }
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout]    = note: `#[warn(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling jstring v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]   --> src/raw_string.rs:88:18
[INFO] [stdout]    |
[INFO] [stdout] 88 |         unsafe { &mut *(self.get_bytes() as *const [u8] as *mut [u8]) }
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout]    = note: `#[warn(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "1dad74202b3f4d7fc7802bf225c204be7cbc557d18aafad93d66cabd773174d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dad74202b3f4d7fc7802bf225c204be7cbc557d18aafad93d66cabd773174d0", kill_on_drop: false }`
[INFO] [stdout] 1dad74202b3f4d7fc7802bf225c204be7cbc557d18aafad93d66cabd773174d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6a8ec7daf39fdc27e91c327acc8bb988cd7556c903985bafe696950352c6e785
[INFO] running `Command { std: "docker" "start" "-a" "6a8ec7daf39fdc27e91c327acc8bb988cd7556c903985bafe696950352c6e785", kill_on_drop: false }`
[INFO] [stderr] warning: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stderr]   --> src/raw_string.rs:88:18
[INFO] [stderr]    |
[INFO] [stderr] 88 |         unsafe { &mut *(self.get_bytes() as *const [u8] as *mut [u8]) }
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stderr]    = note: `#[warn(invalid_reference_casting)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `jstring` (lib) generated 1 warning
[INFO] [stderr] warning: `jstring` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/jstring-1e97b618bb106d43)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test raw_string::tests::from_bytes ... ok
[INFO] [stdout] test raw_string::tests::from_bytes_large_with_nulls ... ok
[INFO] [stdout] test raw_string::tests::new_does_not_use_heap ... ok
[INFO] [stdout] test raw_string::tests::option_size ... ok
[INFO] [stdout] test raw_string::tests::from_bytes_large ... ok
[INFO] [stdout] test raw_string::tests::large_interned ... ok
[INFO] [stdout] test raw_string::tests::size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jstring
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - JavaString::new (line 56) ... FAILED
[INFO] [stdout] test src/lib.rs - JavaString::with_capacity (line 73) ... ok
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - JavaString::new (line 56) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `java_string`
[INFO] [stdout]   --> src/lib.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | use java_string::*;
[INFO] [stdout]    |     ^^^^^^^^^^^ use of unresolved module or unlinked crate `java_string`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `java_string`, use `cargo add java_string` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - JavaString::new (line 56)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6a8ec7daf39fdc27e91c327acc8bb988cd7556c903985bafe696950352c6e785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a8ec7daf39fdc27e91c327acc8bb988cd7556c903985bafe696950352c6e785", kill_on_drop: false }`
[INFO] [stdout] 6a8ec7daf39fdc27e91c327acc8bb988cd7556c903985bafe696950352c6e785
