[INFO] fetching crate string-intern 0.1.7...
[INFO] testing string-intern-0.1.7 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate string-intern 0.1.7 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate string-intern 0.1.7
[INFO] finished tweaking crates.io crate string-intern 0.1.7
[INFO] tweaked toml for crates.io crate string-intern 0.1.7 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate string-intern 0.1.7 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding lazy_static v0.2.11 (available: v1.5.0)
[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] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 70615cb36d497bc33d58d7d648afdc6d1f7cfa5339b8247102422ebb071aa8bf
[INFO] running `Command { std: "docker" "start" "-a" "70615cb36d497bc33d58d7d648afdc6d1f7cfa5339b8247102422ebb071aa8bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70615cb36d497bc33d58d7d648afdc6d1f7cfa5339b8247102422ebb071aa8bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70615cb36d497bc33d58d7d648afdc6d1f7cfa5339b8247102422ebb071aa8bf", kill_on_drop: false }`
[INFO] [stdout] 70615cb36d497bc33d58d7d648afdc6d1f7cfa5339b8247102422ebb071aa8bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bb3e8316cfe75334bfcf0cea819311d4297314cb09662fee97ed746353cd5e4f
[INFO] running `Command { std: "docker" "start" "-a" "bb3e8316cfe75334bfcf0cea819311d4297314cb09662fee97ed746353cd5e4f", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling string-intern v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/validator.rs:17:24
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn validate_symbol(&str) -> Result<(), Self::Err>;
[INFO] [stdout]    |                        ^^^^ help: try naming the parameter or explicitly ignoring it: `_: &str`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/base_type.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / lazy_static! {
[INFO] [stdout] 18 | |     static ref ATOMS: RwLock<HashMap<Buf, Weak<Value>>> =
[INFO] [stdout] 19 | |         RwLock::new(HashMap::new());
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/base_type.rs:161:32
[INFO] [stdout]     |
[INFO] [stdout] 161 |         .map_err(|e| d.error(e.description()))
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `Command { std: "docker" "inspect" "bb3e8316cfe75334bfcf0cea819311d4297314cb09662fee97ed746353cd5e4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb3e8316cfe75334bfcf0cea819311d4297314cb09662fee97ed746353cd5e4f", kill_on_drop: false }`
[INFO] [stdout] bb3e8316cfe75334bfcf0cea819311d4297314cb09662fee97ed746353cd5e4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d8518435417c9120572c3e3d741305364481aba46d35e3c40a3453e23eb58d55
[INFO] running `Command { std: "docker" "start" "-a" "d8518435417c9120572c3e3d741305364481aba46d35e3c40a3453e23eb58d55", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/validator.rs:17:24
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn validate_symbol(&str) -> Result<(), Self::Err>;
[INFO] [stdout]    |                        ^^^^ help: try naming the parameter or explicitly ignoring it: `_: &str`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/base_type.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / lazy_static! {
[INFO] [stdout] 18 | |     static ref ATOMS: RwLock<HashMap<Buf, Weak<Value>>> =
[INFO] [stdout] 19 | |         RwLock::new(HashMap::new());
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/base_type.rs:161:32
[INFO] [stdout]     |
[INFO] [stdout] 161 |         .map_err(|e| d.error(e.description()))
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling string-intern v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/validator.rs:17:24
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn validate_symbol(&str) -> Result<(), Self::Err>;
[INFO] [stdout]    |                        ^^^^ help: try naming the parameter or explicitly ignoring it: `_: &str`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0539]: malformed `should_panic` attribute input
[INFO] [stdout]    --> src/base_type.rs:314:5
[INFO] [stdout]     |
[INFO] [stdout] 314 |     #[should_panic(message="static strings used as atom is invalid")]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^--------------------------------------------------^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the only valid argument here is "expected"
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, visit <https://doc.rust-lang.org/reference/attributes/testing.html#the-should_panic-attribute>
[INFO] [stdout] help: try changing it to one of the following valid forms of the attribute
[INFO] [stdout]     |
[INFO] [stdout] 314 -     #[should_panic(message="static strings used as atom is invalid")]
[INFO] [stdout] 314 +     #[should_panic = "reason"]
[INFO] [stdout]     |
[INFO] [stdout] 314 -     #[should_panic(message="static strings used as atom is invalid")]
[INFO] [stdout] 314 +     #[should_panic(expected = "reason")]
[INFO] [stdout]     |
[INFO] [stdout] 314 -     #[should_panic(message="static strings used as atom is invalid")]
[INFO] [stdout] 314 +     #[should_panic]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/base_type.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / lazy_static! {
[INFO] [stdout] 18 | |     static ref ATOMS: RwLock<HashMap<Buf, Weak<Value>>> =
[INFO] [stdout] 19 | |         RwLock::new(HashMap::new());
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/base_type.rs:161:32
[INFO] [stdout]     |
[INFO] [stdout] 161 |         .map_err(|e| d.error(e.description()))
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `string-intern` (lib test) due to 1 previous error; 3 warnings emitted
[INFO] [stdout] For more information about this error, try `rustc --explain E0539`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d8518435417c9120572c3e3d741305364481aba46d35e3c40a3453e23eb58d55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8518435417c9120572c3e3d741305364481aba46d35e3c40a3453e23eb58d55", kill_on_drop: false }`
[INFO] [stdout] d8518435417c9120572c3e3d741305364481aba46d35e3c40a3453e23eb58d55
