[INFO] fetching crate secure-string 0.3.0...
[INFO] testing secure-string-0.3.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate secure-string 0.3.0 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate secure-string 0.3.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abed2a7b022037268cb5a48cbe226255062bf6e4b05bc6e6135eee22c7e87c1e
[INFO] running `Command { std: "docker" "start" "-a" "abed2a7b022037268cb5a48cbe226255062bf6e4b05bc6e6135eee22c7e87c1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abed2a7b022037268cb5a48cbe226255062bf6e4b05bc6e6135eee22c7e87c1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abed2a7b022037268cb5a48cbe226255062bf6e4b05bc6e6135eee22c7e87c1e", kill_on_drop: false }`
[INFO] [stdout] abed2a7b022037268cb5a48cbe226255062bf6e4b05bc6e6135eee22c7e87c1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41551416d47a84e8bc3554caec7765419142bfebf93d8d959202b7f30365f35a
[INFO] running `Command { std: "docker" "start" "-a" "41551416d47a84e8bc3554caec7765419142bfebf93d8d959202b7f30365f35a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[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 <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 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 <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 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 <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 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 <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 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 <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 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 <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 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 <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "41551416d47a84e8bc3554caec7765419142bfebf93d8d959202b7f30365f35a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41551416d47a84e8bc3554caec7765419142bfebf93d8d959202b7f30365f35a", kill_on_drop: false }`
[INFO] [stdout] 41551416d47a84e8bc3554caec7765419142bfebf93d8d959202b7f30365f35a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5ea5e39b44e2f348a924bbc6160cdc4570bc5548abecf9ca8ee41db76b56e00
[INFO] running `Command { std: "docker" "start" "-a" "c5ea5e39b44e2f348a924bbc6160cdc4570bc5548abecf9ca8ee41db76b56e00", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling memchr v2.8.0
[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 <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 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 <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 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 <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 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 <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 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 <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 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 <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 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 <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[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] [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<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 2026-04-24; 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<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 2026-04-24; 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<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 2026-04-24; 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<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 2026-04-24; 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<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 2026-04-24; 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" "c5ea5e39b44e2f348a924bbc6160cdc4570bc5548abecf9ca8ee41db76b56e00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5ea5e39b44e2f348a924bbc6160cdc4570bc5548abecf9ca8ee41db76b56e00", kill_on_drop: false }`
[INFO] [stdout] c5ea5e39b44e2f348a924bbc6160cdc4570bc5548abecf9ca8ee41db76b56e00
