[INFO] fetching crate ownedref 0.15.4...
[INFO] testing ownedref-0.15.4 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate ownedref 0.15.4 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ownedref 0.15.4
[INFO] finished tweaking crates.io crate ownedref 0.15.4
[INFO] tweaked toml for crates.io crate ownedref 0.15.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ownedref 0.15.4 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ownedref 0.15.4 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e87dae851ccba7c420662e886fffc0e9d9c7f1caab9ebc8147f290a888515390
[INFO] running `Command { std: "docker" "start" "-a" "e87dae851ccba7c420662e886fffc0e9d9c7f1caab9ebc8147f290a888515390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e87dae851ccba7c420662e886fffc0e9d9c7f1caab9ebc8147f290a888515390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e87dae851ccba7c420662e886fffc0e9d9c7f1caab9ebc8147f290a888515390", kill_on_drop: false }`
[INFO] [stdout] e87dae851ccba7c420662e886fffc0e9d9c7f1caab9ebc8147f290a888515390
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b924cdd52073a7b9c1a6d6f768c8ddb824f0f5b7018e9453417bac1083416ebf
[INFO] running `Command { std: "docker" "start" "-a" "b924cdd52073a7b9c1a6d6f768c8ddb824f0f5b7018e9453417bac1083416ebf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling libafl_core v0.15.4
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling ownedref v0.15.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.64s
[INFO] running `Command { std: "docker" "inspect" "b924cdd52073a7b9c1a6d6f768c8ddb824f0f5b7018e9453417bac1083416ebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b924cdd52073a7b9c1a6d6f768c8ddb824f0f5b7018e9453417bac1083416ebf", kill_on_drop: false }`
[INFO] [stdout] b924cdd52073a7b9c1a6d6f768c8ddb824f0f5b7018e9453417bac1083416ebf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4b470cef6fb7e1c6f2994b915c4cff7aea570e3dbb7c48484364828d5e60381
[INFO] running `Command { std: "docker" "start" "-a" "f4b470cef6fb7e1c6f2994b915c4cff7aea570e3dbb7c48484364828d5e60381", kill_on_drop: false }`
[INFO] [stderr]    Compiling ownedref v0.15.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "f4b470cef6fb7e1c6f2994b915c4cff7aea570e3dbb7c48484364828d5e60381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4b470cef6fb7e1c6f2994b915c4cff7aea570e3dbb7c48484364828d5e60381", kill_on_drop: false }`
[INFO] [stdout] f4b470cef6fb7e1c6f2994b915c4cff7aea570e3dbb7c48484364828d5e60381
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 88b586427d8e64aaa0f01bbf72c73c85f0a9d39c1de108be81c1d5adeea205fc
[INFO] running `Command { std: "docker" "start" "-a" "88b586427d8e64aaa0f01bbf72c73c85f0a9d39c1de108be81c1d5adeea205fc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ownedref-95f1be6855e95f53)
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests ownedref
[INFO] [stdout] test test::test_truncate ... ok
[INFO] [stdout] test subrange::tests::test_bytesreader_toslice ... ok
[INFO] [stdout] test subrange::tests::test_bytesreader_toslice_unchecked ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 35) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 71) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 35) stdout ----
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]   --> src/lib.rs:54:18
[INFO] [stdout]    |
[INFO] [stdout] 54 | let serialized = serde_json::to_string(&borrowed_struct).unwrap();
[INFO] [stdout]    |                  ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]   --> src/lib.rs:58:37
[INFO] [stdout]    |
[INFO] [stdout] 58 | let deserialized_struct: MyStruct = serde_json::from_str(&serialized).unwrap();
[INFO] [stdout]    |                                     ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 71) stdout ----
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]   --> src/lib.rs:89:18
[INFO] [stdout]    |
[INFO] [stdout] 89 | let serialized = serde_json::to_string(&container_borrowed).unwrap();
[INFO] [stdout]    |                  ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]   --> src/lib.rs:93:45
[INFO] [stdout]    |
[INFO] [stdout] 93 | let container_deserialized: DataContainer = serde_json::from_str(&serialized).unwrap();
[INFO] [stdout]    |                                             ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 35)
[INFO] [stdout]     src/lib.rs - (line 71)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.50s; merged doctests compilation took 0.27s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "88b586427d8e64aaa0f01bbf72c73c85f0a9d39c1de108be81c1d5adeea205fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88b586427d8e64aaa0f01bbf72c73c85f0a9d39c1de108be81c1d5adeea205fc", kill_on_drop: false }`
[INFO] [stdout] 88b586427d8e64aaa0f01bbf72c73c85f0a9d39c1de108be81c1d5adeea205fc
