[INFO] fetching crate secure-string 0.3.0... [INFO] testing secure-string-0.3.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2 [INFO] extracting crate secure-string 0.3.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate secure-string 0.3.0 [INFO] finished tweaking crates.io crate secure-string 0.3.0 [INFO] tweaked toml for crates.io crate secure-string 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate secure-string 0.3.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 28 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8c267ecf28f6d97560be8b236bdafb45870448c8e9322aad8673386df7fa0c5d [INFO] running `Command { std: "docker" "start" "-a" "8c267ecf28f6d97560be8b236bdafb45870448c8e9322aad8673386df7fa0c5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8c267ecf28f6d97560be8b236bdafb45870448c8e9322aad8673386df7fa0c5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c267ecf28f6d97560be8b236bdafb45870448c8e9322aad8673386df7fa0c5d", kill_on_drop: false }` [INFO] [stdout] 8c267ecf28f6d97560be8b236bdafb45870448c8e9322aad8673386df7fa0c5d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0714ba45e1c53842195353f0c34e2c6343ce62f6e735f28b3a1de1e7197d2c14 [INFO] running `Command { std: "docker" "start" "-a" "0714ba45e1c53842195353f0c34e2c6343ce62f6e735f28b3a1de1e7197d2c14", kill_on_drop: false }` [INFO] [stderr] Compiling zeroize v1.8.2 [INFO] [stderr] Compiling secure-string v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `pre` [INFO] [stdout] --> src/secure_types/boxed.rs:91:16 [INFO] [stdout] | [INFO] [stdout] 91 | #[cfg_attr(feature = "pre", pre::pre)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `serde` [INFO] [stdout] = help: consider adding `pre` as a feature in `Cargo.toml` [INFO] [stdout] = note: see 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 value: `pre` [INFO] [stdout] --> src/secure_types/string.rs:12:16 [INFO] [stdout] | [INFO] [stdout] 12 | #[cfg_attr(feature = "pre", pre::pre)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `serde` [INFO] [stdout] = help: consider adding `pre` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `pre` [INFO] [stdout] --> src/secure_types/string.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | feature = "pre", [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `serde` [INFO] [stdout] = help: consider adding `pre` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `pre` [INFO] [stdout] --> src/secure_types/string.rs:30:16 [INFO] [stdout] | [INFO] [stdout] 30 | #[cfg_attr(feature = "pre", pre::pre)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `serde` [INFO] [stdout] = help: consider adding `pre` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `pre` [INFO] [stdout] --> src/secure_types/string.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | feature = "pre", [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `serde` [INFO] [stdout] = help: consider adding `pre` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `pre` [INFO] [stdout] --> src/secure_types/string.rs:48:16 [INFO] [stdout] | [INFO] [stdout] 48 | #[cfg_attr(feature = "pre", pre::pre)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `serde` [INFO] [stdout] = help: consider adding `pre` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `pre` [INFO] [stdout] --> src/secure_types/string.rs:54:13 [INFO] [stdout] | [INFO] [stdout] 54 | feature = "pre", [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `serde` [INFO] [stdout] = help: consider adding `pre` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s [INFO] running `Command { std: "docker" "inspect" "0714ba45e1c53842195353f0c34e2c6343ce62f6e735f28b3a1de1e7197d2c14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0714ba45e1c53842195353f0c34e2c6343ce62f6e735f28b3a1de1e7197d2c14", kill_on_drop: false }` [INFO] [stdout] 0714ba45e1c53842195353f0c34e2c6343ce62f6e735f28b3a1de1e7197d2c14 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0437dc08eee4c87fc641d8aed87f6c056264eaae5ab512b2bcfa3ead4132af99 [INFO] running `Command { std: "docker" "start" "-a" "0437dc08eee4c87fc641d8aed87f6c056264eaae5ab512b2bcfa3ead4132af99", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling half v1.8.3 [INFO] [stdout] warning: unexpected `cfg` condition value: `pre` [INFO] [stdout] --> src/secure_types/boxed.rs:91:16 [INFO] [stdout] | [INFO] [stdout] 91 | #[cfg_attr(feature = "pre", pre::pre)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `serde` [INFO] [stdout] = help: consider adding `pre` as a feature in `Cargo.toml` [INFO] [stdout] = note: see 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 value: `pre` [INFO] [stdout] --> src/secure_types/string.rs:12:16 [INFO] [stdout] | [INFO] [stdout] 12 | #[cfg_attr(feature = "pre", pre::pre)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `serde` [INFO] [stdout] = help: consider adding `pre` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `pre` [INFO] [stdout] --> src/secure_types/string.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | feature = "pre", [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `serde` [INFO] [stdout] = help: consider adding `pre` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `pre` [INFO] [stdout] --> src/secure_types/string.rs:30:16 [INFO] [stdout] | [INFO] [stdout] 30 | #[cfg_attr(feature = "pre", pre::pre)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `serde` [INFO] [stdout] = help: consider adding `pre` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `pre` [INFO] [stdout] --> src/secure_types/string.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | feature = "pre", [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `serde` [INFO] [stdout] = help: consider adding `pre` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `pre` [INFO] [stdout] --> src/secure_types/string.rs:48:16 [INFO] [stdout] | [INFO] [stdout] 48 | #[cfg_attr(feature = "pre", pre::pre)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `serde` [INFO] [stdout] = help: consider adding `pre` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `pre` [INFO] [stdout] --> src/secure_types/string.rs:54:13 [INFO] [stdout] | [INFO] [stdout] 54 | feature = "pre", [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `serde` [INFO] [stdout] = help: consider adding `pre` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling pre-proc-macro v0.2.1 [INFO] [stderr] Compiling pre v0.2.1 [INFO] [stderr] Compiling toml v0.5.11 [INFO] [stderr] Compiling serde_cbor v0.11.2 [INFO] [stderr] Compiling proc-macro-crate v0.1.5 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stdout] error[E0658]: use of unstable library feature `unsized_const_params` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pre-0.2.1/src/lib.rs:1126:38 [INFO] [stdout] | [INFO] [stdout] 1126 | pub struct ValidPtrCondition; [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 2026-03-22; 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] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pre-0.2.1/src/lib.rs:1126:63 [INFO] [stdout] | [INFO] [stdout] 1126 | pub struct ValidPtrCondition; [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 2026-03-22; 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] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pre-0.2.1/src/lib.rs:1130:41 [INFO] [stdout] | [INFO] [stdout] 1130 | pub struct ProperAlignCondition; [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 2026-03-22; 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] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pre-0.2.1/src/lib.rs:1134:37 [INFO] [stdout] | [INFO] [stdout] 1134 | pub struct BooleanCondition; [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 2026-03-22; 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] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pre-0.2.1/src/lib.rs:1138:36 [INFO] [stdout] | [INFO] [stdout] 1138 | pub struct CustomCondition; [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 2026-03-22; 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) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "0437dc08eee4c87fc641d8aed87f6c056264eaae5ab512b2bcfa3ead4132af99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0437dc08eee4c87fc641d8aed87f6c056264eaae5ab512b2bcfa3ead4132af99", kill_on_drop: false }` [INFO] [stdout] 0437dc08eee4c87fc641d8aed87f6c056264eaae5ab512b2bcfa3ead4132af99