[INFO] fetching crate unique-uuid 0.1.1...
[INFO] testing unique-uuid-0.1.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate unique-uuid 0.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate unique-uuid 0.1.1
[INFO] finished tweaking crates.io crate unique-uuid 0.1.1
[INFO] tweaked toml for crates.io crate unique-uuid 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unique-uuid 0.1.1 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 unique-uuid 0.1.1 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" "+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-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-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a13650cb692a5f06629d5345abe68e8d8717708e4ca1bd45967a0b23fe2355b4
[INFO] running `Command { std: "docker" "start" "-a" "a13650cb692a5f06629d5345abe68e8d8717708e4ca1bd45967a0b23fe2355b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a13650cb692a5f06629d5345abe68e8d8717708e4ca1bd45967a0b23fe2355b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a13650cb692a5f06629d5345abe68e8d8717708e4ca1bd45967a0b23fe2355b4", kill_on_drop: false }`
[INFO] [stdout] a13650cb692a5f06629d5345abe68e8d8717708e4ca1bd45967a0b23fe2355b4
[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-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 062a90fd3de94eb3ebaaac6f5813a650e18bafc99ba1b3cc1d8bb23b6f267ed3
[INFO] running `Command { std: "docker" "start" "-a" "062a90fd3de94eb3ebaaac6f5813a650e18bafc99ba1b3cc1d8bb23b6f267ed3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling winnow v0.6.25
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling uuid v1.12.1
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling toml v0.8.19
[INFO] [stderr]    Compiling unique-uuid-derive v0.1.0
[INFO] [stderr]    Compiling unique-uuid v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.30s
[INFO] running `Command { std: "docker" "inspect" "062a90fd3de94eb3ebaaac6f5813a650e18bafc99ba1b3cc1d8bb23b6f267ed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "062a90fd3de94eb3ebaaac6f5813a650e18bafc99ba1b3cc1d8bb23b6f267ed3", kill_on_drop: false }`
[INFO] [stdout] 062a90fd3de94eb3ebaaac6f5813a650e18bafc99ba1b3cc1d8bb23b6f267ed3
[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-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2e6ce5fcae46e13b32dff3fc944186028032dc4f4d1aa200360ae04dc0934a1
[INFO] running `Command { std: "docker" "start" "-a" "a2e6ce5fcae46e13b32dff3fc944186028032dc4f4d1aa200360ae04dc0934a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling unique-uuid v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "a2e6ce5fcae46e13b32dff3fc944186028032dc4f4d1aa200360ae04dc0934a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2e6ce5fcae46e13b32dff3fc944186028032dc4f4d1aa200360ae04dc0934a1", kill_on_drop: false }`
[INFO] [stdout] a2e6ce5fcae46e13b32dff3fc944186028032dc4f4d1aa200360ae04dc0934a1
[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-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3e11d1db33ed02600595c6bee5fd0f65f3301ce35d8ad91dfba55ab34a722885
[INFO] running `Command { std: "docker" "start" "-a" "3e11d1db33ed02600595c6bee5fd0f65f3301ce35d8ad91dfba55ab34a722885", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/unique_uuid-f170e5ccb878eff0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unique_uuid
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 15) ... FAILED
[INFO] [stdout] test src/lib.rs - UniqueTypeTag (line 56) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 15) stdout ----
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]   --> src/lib.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[derive(UniqueTypeTag)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: Error opening file: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no associated function or constant named `TYPE_TAG` found for struct `MyType` in the current scope
[INFO] [stdout]   --> src/lib.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct MyType;
[INFO] [stdout]    | ------------- associated function or constant `TYPE_TAG` not found for this struct
[INFO] [stdout] 21 |
[INFO] [stdout] 22 | let tag = MyType::TYPE_TAG;
[INFO] [stdout]    |                   ^^^^^^^^ associated function or constant not found in `MyType`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `TYPE_TAG`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `UniqueTypeTag`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - UniqueTypeTag (line 56) stdout ----
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]   --> src/lib.rs:60:10
[INFO] [stdout]    |
[INFO] [stdout] 60 | #[derive(UniqueTypeTag)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: Error opening file: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no associated function or constant named `TYPE_TAG` found for struct `MyStruct` in the current scope
[INFO] [stdout]   --> src/lib.rs:63:22
[INFO] [stdout]    |
[INFO] [stdout] 61 | struct MyStruct;
[INFO] [stdout]    | --------------- associated function or constant `TYPE_TAG` not found for this struct
[INFO] [stdout] 62 |
[INFO] [stdout] 63 | assert_eq!(MyStruct::TYPE_TAG, MyStruct.type_id());
[INFO] [stdout]    |                      ^^^^^^^^ associated function or constant not found in `MyStruct`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `TYPE_TAG`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `UniqueTypeTag`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `type_id` found for struct `MyStruct` in the current scope
[INFO] [stdout]   --> src/lib.rs:63:41
[INFO] [stdout]    |
[INFO] [stdout] 61 | struct MyStruct;
[INFO] [stdout]    | --------------- method `type_id` not found for this struct
[INFO] [stdout] 62 |
[INFO] [stdout] 63 | assert_eq!(MyStruct::TYPE_TAG, MyStruct.type_id());
[INFO] [stdout]    |                                         ^^^^^^^ method not found in `MyStruct`
[INFO] [stdout]    |
[INFO] [stdout]   --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/any.rs:137:7
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method is available for `MyStruct` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Any` which provides `type_id` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 55 + use std::any::Any;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 15)
[INFO] [stdout]     src/lib.rs - UniqueTypeTag (line 56)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "3e11d1db33ed02600595c6bee5fd0f65f3301ce35d8ad91dfba55ab34a722885", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e11d1db33ed02600595c6bee5fd0f65f3301ce35d8ad91dfba55ab34a722885", kill_on_drop: false }`
[INFO] [stdout] 3e11d1db33ed02600595c6bee5fd0f65f3301ce35d8ad91dfba55ab34a722885
