[INFO] fetching crate pre 0.2.1...
[INFO] checking pre-0.2.1 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate pre 0.2.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate pre 0.2.1
[INFO] finished tweaking crates.io crate pre 0.2.1
[INFO] tweaked toml for crates.io crate pre 0.2.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pre 0.2.1 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] [stderr]       Adding cfg-if v0.1.10 (available: v1.0.4)
[INFO] [stderr]       Adding rustc_version v0.2.3 (available: v0.4.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 095cba2c79fd63dfe3410c25d93533ad62f77c5c2bba338783eb84b23398db95
[INFO] running `Command { std: "docker" "start" "-a" "095cba2c79fd63dfe3410c25d93533ad62f77c5c2bba338783eb84b23398db95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "095cba2c79fd63dfe3410c25d93533ad62f77c5c2bba338783eb84b23398db95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "095cba2c79fd63dfe3410c25d93533ad62f77c5c2bba338783eb84b23398db95", kill_on_drop: false }`
[INFO] [stdout] 095cba2c79fd63dfe3410c25d93533ad62f77c5c2bba338783eb84b23398db95
[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=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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4846615ce6a7214f4e6d972bb25e72a2e9bdb55d31309c7b158ef2b325a18188
[INFO] running `Command { std: "docker" "start" "-a" "4846615ce6a7214f4e6d972bb25e72a2e9bdb55d31309c7b158ef2b325a18188", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling pre-proc-macro v0.2.1
[INFO] [stderr]    Compiling pre v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:548:13
[INFO] [stdout]     |
[INFO] [stdout] 548 | #![cfg_attr(nightly, feature(adt_const_params))]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 32 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:549:13
[INFO] [stdout]     |
[INFO] [stdout] 549 | #![cfg_attr(nightly, allow(incomplete_features))]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]     --> src/lib.rs:1120:14
[INFO] [stdout]      |
[INFO] [stdout] 1120 |     if #[cfg(nightly)] {
[INFO] [stdout]      |              ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:548:13
[INFO] [stdout]     |
[INFO] [stdout] 548 | #![cfg_attr(nightly, feature(adt_const_params))]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 32 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:549:13
[INFO] [stdout]     |
[INFO] [stdout] 549 | #![cfg_attr(nightly, allow(incomplete_features))]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]     --> src/lib.rs:1120:14
[INFO] [stdout]      |
[INFO] [stdout] 1120 |     if #[cfg(nightly)] {
[INFO] [stdout]      |              ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `unsized_const_params`
[INFO] [stdout]     --> src/lib.rs:1126:38
[INFO] [stdout]      |
[INFO] [stdout] 1126 |         pub struct ValidPtrCondition<const PTR: &'static str, const ACCESS_TYPE: &'static str>;
[INFO] [stdout]      |                                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: add `#![feature(unsized_const_params)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2026-05-02; consider upgrading it if it is out of date
[INFO] [stdout]      = note: required for `&'static str` to implement `ConstParamTy_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `unsized_const_params`
[INFO] [stdout]     --> src/lib.rs:1126:63
[INFO] [stdout]      |
[INFO] [stdout] 1126 |         pub struct ValidPtrCondition<const PTR: &'static str, const ACCESS_TYPE: &'static str>;
[INFO] [stdout]      |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: add `#![feature(unsized_const_params)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2026-05-02; consider upgrading it if it is out of date
[INFO] [stdout]      = note: required for `&'static str` to implement `ConstParamTy_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `unsized_const_params`
[INFO] [stdout]     --> src/lib.rs:1130:41
[INFO] [stdout]      |
[INFO] [stdout] 1130 |         pub struct ProperAlignCondition<const PTR: &'static str>;
[INFO] [stdout]      |                                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: add `#![feature(unsized_const_params)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2026-05-02; consider upgrading it if it is out of date
[INFO] [stdout]      = note: required for `&'static str` to implement `ConstParamTy_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `unsized_const_params`
[INFO] [stdout]     --> src/lib.rs:1134:37
[INFO] [stdout]      |
[INFO] [stdout] 1134 |         pub struct BooleanCondition<const CONDITION: &'static str>;
[INFO] [stdout]      |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: add `#![feature(unsized_const_params)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2026-05-02; consider upgrading it if it is out of date
[INFO] [stdout]      = note: required for `&'static str` to implement `ConstParamTy_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `unsized_const_params`
[INFO] [stdout]     --> src/lib.rs:1138:36
[INFO] [stdout]      |
[INFO] [stdout] 1138 |         pub struct CustomCondition<const CONDITION: &'static str>;
[INFO] [stdout]      |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: add `#![feature(unsized_const_params)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2026-05-02; consider upgrading it if it is out of date
[INFO] [stdout]      = note: required for `&'static str` to implement `ConstParamTy_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `unsized_const_params`
[INFO] [stdout]     --> src/lib.rs:1126:38
[INFO] [stdout]      |
[INFO] [stdout] 1126 |         pub struct ValidPtrCondition<const PTR: &'static str, const ACCESS_TYPE: &'static str>;
[INFO] [stdout]      |                                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: add `#![feature(unsized_const_params)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2026-05-02; consider upgrading it if it is out of date
[INFO] [stdout]      = note: required for `&'static str` to implement `ConstParamTy_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `unsized_const_params`
[INFO] [stdout]     --> src/lib.rs:1126:63
[INFO] [stdout]      |
[INFO] [stdout] 1126 |         pub struct ValidPtrCondition<const PTR: &'static str, const ACCESS_TYPE: &'static str>;
[INFO] [stdout]      |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: add `#![feature(unsized_const_params)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2026-05-02; consider upgrading it if it is out of date
[INFO] [stdout]      = note: required for `&'static str` to implement `ConstParamTy_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `unsized_const_params`
[INFO] [stdout]     --> src/lib.rs:1130:41
[INFO] [stdout]      |
[INFO] [stdout] 1130 |         pub struct ProperAlignCondition<const PTR: &'static str>;
[INFO] [stdout]      |                                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: add `#![feature(unsized_const_params)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2026-05-02; consider upgrading it if it is out of date
[INFO] [stdout]      = note: required for `&'static str` to implement `ConstParamTy_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `unsized_const_params`
[INFO] [stdout]     --> src/lib.rs:1134:37
[INFO] [stdout]      |
[INFO] [stdout] 1134 |         pub struct BooleanCondition<const CONDITION: &'static str>;
[INFO] [stdout]      |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: add `#![feature(unsized_const_params)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2026-05-02; consider upgrading it if it is out of date
[INFO] [stdout]      = note: required for `&'static str` to implement `ConstParamTy_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `unsized_const_params`
[INFO] [stdout]     --> src/lib.rs:1138:36
[INFO] [stdout]      |
[INFO] [stdout] 1138 |         pub struct CustomCondition<const CONDITION: &'static str>;
[INFO] [stdout]      |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: add `#![feature(unsized_const_params)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2026-05-02; consider upgrading it if it is out of date
[INFO] [stdout]      = note: required for `&'static str` to implement `ConstParamTy_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pre` (lib test) due to 5 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pre` (lib) due to 5 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "4846615ce6a7214f4e6d972bb25e72a2e9bdb55d31309c7b158ef2b325a18188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4846615ce6a7214f4e6d972bb25e72a2e9bdb55d31309c7b158ef2b325a18188", kill_on_drop: false }`
[INFO] [stdout] 4846615ce6a7214f4e6d972bb25e72a2e9bdb55d31309c7b158ef2b325a18188
