[INFO] fetching crate checked_cast 0.0.3...
[INFO] testing checked_cast-0.0.3 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065
[INFO] extracting crate checked_cast 0.0.3 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate checked_cast 0.0.3
[INFO] finished tweaking crates.io crate checked_cast 0.0.3
[INFO] tweaked toml for crates.io crate checked_cast 0.0.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate checked_cast 0.0.3 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "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-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c9063006c482f88206c08e7dcb4e40174a2624dd0a8e8ffbf6eee848f76c93e
[INFO] running `Command { std: "docker" "start" "-a" "4c9063006c482f88206c08e7dcb4e40174a2624dd0a8e8ffbf6eee848f76c93e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c9063006c482f88206c08e7dcb4e40174a2624dd0a8e8ffbf6eee848f76c93e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c9063006c482f88206c08e7dcb4e40174a2624dd0a8e8ffbf6eee848f76c93e", kill_on_drop: false }`
[INFO] [stdout] 4c9063006c482f88206c08e7dcb4e40174a2624dd0a8e8ffbf6eee848f76c93e
[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=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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07dd6512e9cada5a4e70ed590545f2c5ed58fb05ff6134809348cff63b98ade3
[INFO] running `Command { std: "docker" "start" "-a" "07dd6512e9cada5a4e70ed590545f2c5ed58fb05ff6134809348cff63b98ade3", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling checked_cast v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]  --> src/lib.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![allow(unstable)]
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "07dd6512e9cada5a4e70ed590545f2c5ed58fb05ff6134809348cff63b98ade3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07dd6512e9cada5a4e70ed590545f2c5ed58fb05ff6134809348cff63b98ade3", kill_on_drop: false }`
[INFO] [stdout] 07dd6512e9cada5a4e70ed590545f2c5ed58fb05ff6134809348cff63b98ade3
[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=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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ccaba838c9307f9c1eef14360744f657b9929722860082717045a94c7ecdf43
[INFO] running `Command { std: "docker" "start" "-a" "8ccaba838c9307f9c1eef14360744f657b9929722860082717045a94c7ecdf43", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]  --> src/lib.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![allow(unstable)]
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling checked_cast v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]  --> src/lib.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![allow(unstable)]
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "8ccaba838c9307f9c1eef14360744f657b9929722860082717045a94c7ecdf43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ccaba838c9307f9c1eef14360744f657b9929722860082717045a94c7ecdf43", kill_on_drop: false }`
[INFO] [stdout] 8ccaba838c9307f9c1eef14360744f657b9929722860082717045a94c7ecdf43
[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=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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d69f42bcb81ac0796727c9e480382544172eeea66af7d0f16ff2fd0d49b0ff87
[INFO] running `Command { std: "docker" "start" "-a" "d69f42bcb81ac0796727c9e480382544172eeea66af7d0f16ff2fd0d49b0ff87", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stdout] 
[INFO] [stderr] warning: unknown lint: `unstable`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/lib.rs:3:10
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 3 | #![allow(unstable)]
[INFO] [stdout] 
[INFO] [stderr]   |          ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `checked_cast` (lib) generated 1 warning
[INFO] [stderr] warning: `checked_cast` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/checked_cast-7d8719b6633c2725)
[INFO] [stderr]    Doc-tests checked_cast
[INFO] [stderr] warning: unknown lint: `unstable`
[INFO] [stderr]  --> src/lib.rs:3:10
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![allow(unstable)]
[INFO] [stderr]   |          ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] test src/lib.rs - core (line 7) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - core (line 7) stdout ----
[INFO] [stdout] error: cannot find attribute `should_fail` in this scope
[INFO] [stdout]   --> src/lib.rs:57:3
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[should_fail]
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: a built-in attribute with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 57 - #[should_fail]
[INFO] [stdout] 57 + #[should_panic]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `Int` in `num`
[INFO] [stdout]   --> src/lib.rs:26:40
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let acast: Option<libc::c_ulong> = checked_cast!(a, libc::c_ulong);
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ could not find `Int` in `num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `checked_cast` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 13 + use core::mem::type_info::Int;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `Int` in `num`
[INFO] [stdout]   --> src/lib.rs:26:40
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let acast: Option<libc::c_ulong> = checked_cast!(a, libc::c_ulong);
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ could not find `Int` in `num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `checked_cast` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 13 + use core::mem::type_info::Int;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `Int` in `num`
[INFO] [stdout]   --> src/lib.rs:35:38
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let bcast: Option<libc::c_int> = checked_cast!(b, libc::c_int);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ could not find `Int` in `num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `checked_cast` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 13 + use core::mem::type_info::Int;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `Int` in `num`
[INFO] [stdout]   --> src/lib.rs:35:38
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let bcast: Option<libc::c_int> = checked_cast!(b, libc::c_int);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ could not find `Int` in `num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `checked_cast` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 13 + use core::mem::type_info::Int;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `Int` in `num`
[INFO] [stdout]   --> src/lib.rs:43:39
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let ccast: Option<libc::c_uint> = checked_cast!(c, libc::c_uint);
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ could not find `Int` in `num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `checked_cast` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 13 + use core::mem::type_info::Int;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `Int` in `num`
[INFO] [stdout]   --> src/lib.rs:43:39
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let ccast: Option<libc::c_uint> = checked_cast!(c, libc::c_uint);
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ could not find `Int` in `num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `checked_cast` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 13 + use core::mem::type_info::Int;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `int` in this scope
[INFO] [stdout]   --> src/lib.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let d: int = 2314;
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            not found in this scope
[INFO] [stdout]    |            help: perhaps you intended to use this type: `i32`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `Int` in `num`
[INFO] [stdout]   --> src/lib.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let dcast: Option<u8> = checked_cast!(d, u8);
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^ could not find `Int` in `num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `checked_cast` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 13 + use core::mem::type_info::Int;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `Int` in `num`
[INFO] [stdout]   --> src/lib.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let dcast: Option<u8> = checked_cast!(d, u8);
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^ could not find `Int` in `num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `checked_cast` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 13 + use core::mem::type_info::Int;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `Int` in `num`
[INFO] [stdout]   --> src/lib.rs:61:22
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let ecast: i16 = checked_cast!(e, i16).unwrap();
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^ could not find `Int` in `num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `checked_cast` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 13 + use core::mem::type_info::Int;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `Int` in `num`
[INFO] [stdout]   --> src/lib.rs:61:22
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let ecast: i16 = checked_cast!(e, i16).unwrap();
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^ could not find `Int` in `num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `checked_cast` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 13 + use core::mem::type_info::Int;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | extern crate libc;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-03-19; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let a: libc::c_short = -1;
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-03-19; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:26:57
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let acast: Option<libc::c_ulong> = checked_cast!(a, libc::c_ulong);
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-03-19; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:26:23
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let acast: Option<libc::c_ulong> = checked_cast!(a, libc::c_ulong);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-03-19; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let b: libc::c_longlong = 235234523;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-03-19; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:35:55
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let bcast: Option<libc::c_int> = checked_cast!(b, libc::c_int);
[INFO] [stdout]    |                                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-03-19; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:35:23
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let bcast: Option<libc::c_int> = checked_cast!(b, libc::c_int);
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-03-19; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let c: libc::c_short = 0;
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-03-19; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:43:56
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let ccast: Option<libc::c_uint> = checked_cast!(c, libc::c_uint);
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-03-19; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:43:23
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let ccast: Option<libc::c_uint> = checked_cast!(c, libc::c_uint);
[INFO] [stdout]    |                       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-03-19; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 22 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433, E0658.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - core (line 7)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d69f42bcb81ac0796727c9e480382544172eeea66af7d0f16ff2fd0d49b0ff87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d69f42bcb81ac0796727c9e480382544172eeea66af7d0f16ff2fd0d49b0ff87", kill_on_drop: false }`
[INFO] [stdout] d69f42bcb81ac0796727c9e480382544172eeea66af7d0f16ff2fd0d49b0ff87
