[INFO] fetching crate mustang 0.19.0...
[INFO] testing mustang-0.19.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate mustang 0.19.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate mustang 0.19.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mustang 0.19.0
[INFO] tweaked toml for crates.io crate mustang 0.19.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mustang 0.19.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mustang 0.19.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tz-rs v0.7.0
[INFO] [stderr]   Downloaded io-lifetimes v2.0.4
[INFO] [stderr]   Downloaded printf-compat v0.1.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd2bbe4e679ea8f63c5e7dbad0f60d29323902a070aae8286f740167ede52247
[INFO] running `Command { std: "docker" "start" "-a" "dd2bbe4e679ea8f63c5e7dbad0f60d29323902a070aae8286f740167ede52247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd2bbe4e679ea8f63c5e7dbad0f60d29323902a070aae8286f740167ede52247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd2bbe4e679ea8f63c5e7dbad0f60d29323902a070aae8286f740167ede52247", kill_on_drop: false }`
[INFO] [stdout] dd2bbe4e679ea8f63c5e7dbad0f60d29323902a070aae8286f740167ede52247
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 040ff96f01f9abb8f874473b6d9ff1ada620ce400683699172dd36ea80f54fe6
[INFO] running `Command { std: "docker" "start" "-a" "040ff96f01f9abb8f874473b6d9ff1ada620ce400683699172dd36ea80f54fe6", kill_on_drop: false }`
[INFO] [stderr]    Compiling mustang v0.19.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `mustang`
[INFO] [stdout]   --> src/lib.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[cfg(target_vendor = "mustang")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `target_vendor` are: `amd`, `apple`, `espressif`, `fortanix`, `ibm`, `kmc`, `mti`, `nintendo`, `nvidia`, `openwrt`, `pc`, `risc0`, `sony`, `sun`, `unikraft`, `unknown`, `uwp`, `vex`, `win7`, and `wrs`
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "040ff96f01f9abb8f874473b6d9ff1ada620ce400683699172dd36ea80f54fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "040ff96f01f9abb8f874473b6d9ff1ada620ce400683699172dd36ea80f54fe6", kill_on_drop: false }`
[INFO] [stdout] 040ff96f01f9abb8f874473b6d9ff1ada620ce400683699172dd36ea80f54fe6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 609c635a0ec9169967fceb38f29a49b6df966a882ff0c37c7e30c83cf578e90a
[INFO] running `Command { std: "docker" "start" "-a" "609c635a0ec9169967fceb38f29a49b6df966a882ff0c37c7e30c83cf578e90a", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling rustix v1.0.5
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling dtor-proc-macro v0.0.5
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling env_home v0.1.0
[INFO] [stderr]    Compiling ctor-proc-macro v0.0.5
[INFO] [stdout] warning: unexpected `cfg` condition value: `mustang`
[INFO] [stdout]   --> src/lib.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[cfg(target_vendor = "mustang")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `target_vendor` are: `amd`, `apple`, `espressif`, `fortanix`, `ibm`, `kmc`, `mti`, `nintendo`, `nvidia`, `openwrt`, `pc`, `risc0`, `sony`, `sun`, `unikraft`, `unknown`, `uwp`, `vex`, `win7`, and `wrs`
[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] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling dtor v0.0.6
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling ctor v0.4.2
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling similar-asserts v1.7.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling which v7.0.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling mustang v0.19.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> examples/test-simd.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(portable_simd)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mustang` (example "test-simd") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unexpected `cfg` condition value: `mustang`
[INFO] [stdout]   --> src/lib.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[cfg(target_vendor = "mustang")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `target_vendor` are: `amd`, `apple`, `espressif`, `fortanix`, `ibm`, `kmc`, `mti`, `nintendo`, `nvidia`, `openwrt`, `pc`, `risc0`, `sony`, `sun`, `unikraft`, `unknown`, `uwp`, `vex`, `win7`, and `wrs`
[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] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> tests/fs.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(io_error_uncategorized)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> tests/fs.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(read_buf)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> tests/fs.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(maybe_uninit_uninit_array_transpose)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> tests/fs.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(core_io_borrowed_buf)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unwinding`
[INFO] [stdout]    --> tests/sync-mpsc.rs:243:41
[INFO] [stdout]     |
[INFO] [stdout] 243 | #[cfg_attr(all(target_arch = "arm", not(feature = "unwinding")), ignore)]
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `atomic-dbg-logger`, `default`, `eh-personality`, `eh-personality-continue`, `env_logger`, `experimental-relocate`, `global-allocator`, `log`, `max_level_off`, `panic-handler`, `panic-handler-trap`, `std`, and `thread`
[INFO] [stdout]     = help: consider adding `unwinding` 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: `unwinding`
[INFO] [stdout]    --> tests/sync-mpsc.rs:324:41
[INFO] [stdout]     |
[INFO] [stdout] 324 | #[cfg_attr(all(target_arch = "arm", not(feature = "unwinding")), ignore)]
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `atomic-dbg-logger`, `default`, `eh-personality`, `eh-personality-continue`, `env_logger`, `experimental-relocate`, `global-allocator`, `log`, `max_level_off`, `panic-handler`, `panic-handler-trap`, `std`, and `thread`
[INFO] [stdout]     = help: consider adding `unwinding` 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: `unwinding`
[INFO] [stdout]    --> tests/sync-mpsc.rs:349:41
[INFO] [stdout]     |
[INFO] [stdout] 349 | #[cfg_attr(all(target_arch = "arm", not(feature = "unwinding")), ignore)]
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `atomic-dbg-logger`, `default`, `eh-personality`, `eh-personality-continue`, `env_logger`, `experimental-relocate`, `global-allocator`, `log`, `max_level_off`, `panic-handler`, `panic-handler-trap`, `std`, and `thread`
[INFO] [stdout]     = help: consider adding `unwinding` 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: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]   --> tests/sys_common/io.rs:45:27
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut r = rand::thread_rng();
[INFO] [stdout]    |                           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> tests/thread-local.rs:113:32
[INFO] [stdout]     |
[INFO] [stdout] 113 |                     assert_eq!(HITS, 3);
[INFO] [stdout]     |                                ^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> tests/thread-local.rs:118:36
[INFO] [stdout]     |
[INFO] [stdout] 118 |                         assert_eq!(HITS, 3);
[INFO] [stdout]     |                                    ^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> tests/thread-local.rs:129:28
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 assert_eq!(HITS, 2);
[INFO] [stdout]     |                            ^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> tests/lazy.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(once_cell_try)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> tests/lazy.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(lazy_cell)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `gnueabi`
[INFO] [stdout]   --> tests/examples.rs:33:11
[INFO] [stdout]    |
[INFO] [stdout] 33 |     #[cfg(target_env = "gnueabi")]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `target_env` are: ``, `gnu`, `macabi`, `mlibc`, `msvc`, `musl`, `newlib`, `nto70`, `nto71`, `nto71_iosock`, `nto80`, `ohos`, `p1`, `p2`, `relibc`, `sgx`, `sim`, `uclibc`, and `v5`
[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: `unwinding`
[INFO] [stdout]   --> tests/lazy.rs:48:41
[INFO] [stdout]    |
[INFO] [stdout] 48 | #[cfg_attr(all(target_arch = "arm", not(feature = "unwinding")), ignore)]
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `atomic-dbg-logger`, `default`, `eh-personality`, `eh-personality-continue`, `env_logger`, `experimental-relocate`, `global-allocator`, `log`, `max_level_off`, `panic-handler`, `panic-handler-trap`, `std`, and `thread`
[INFO] [stdout]    = help: consider adding `unwinding` 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: `private`
[INFO] [stdout]   --> tests/lazy.rs:87:7
[INFO] [stdout]    |
[INFO] [stdout] 87 | #[cfg(feature = "private")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `atomic-dbg-logger`, `default`, `eh-personality`, `eh-personality-continue`, `env_logger`, `experimental-relocate`, `global-allocator`, `log`, `max_level_off`, `panic-handler`, `panic-handler-trap`, `std`, and `thread`
[INFO] [stdout]    = help: consider adding `private` 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: `unwinding`
[INFO] [stdout]    --> tests/lazy.rs:135:41
[INFO] [stdout]     |
[INFO] [stdout] 135 | #[cfg_attr(all(target_arch = "arm", not(feature = "unwinding")), ignore)]
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `atomic-dbg-logger`, `default`, `eh-personality`, `eh-personality-continue`, `env_logger`, `experimental-relocate`, `global-allocator`, `log`, `max_level_off`, `panic-handler`, `panic-handler-trap`, `std`, and `thread`
[INFO] [stdout]     = help: consider adding `unwinding` 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: `unwinding`
[INFO] [stdout]    --> tests/lazy.rs:260:41
[INFO] [stdout]     |
[INFO] [stdout] 260 | #[cfg_attr(all(target_arch = "arm", not(feature = "unwinding")), ignore)]
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `atomic-dbg-logger`, `default`, `eh-personality`, `eh-personality-continue`, `env_logger`, `experimental-relocate`, `global-allocator`, `log`, `max_level_off`, `panic-handler`, `panic-handler-trap`, `std`, and `thread`
[INFO] [stdout]     = help: consider adding `unwinding` 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: `private`
[INFO] [stdout]    --> tests/lazy.rs:142:11
[INFO] [stdout]     |
[INFO] [stdout] 142 |     #[cfg(feature = "private")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `atomic-dbg-logger`, `default`, `eh-personality`, `eh-personality-continue`, `env_logger`, `experimental-relocate`, `global-allocator`, `log`, `max_level_off`, `panic-handler`, `panic-handler-trap`, `std`, and `thread`
[INFO] [stdout]     = help: consider adding `private` 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: the feature `lazy_cell` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> tests/lazy.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(lazy_cell)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mustang` (test "lazy") due to 2 previous errors; 6 warnings emitted
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mustang` (test "fs") due to 4 previous errors; 1 warning emitted
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> tests/net-ip.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(ip)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mustang` (test "net-ip") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "609c635a0ec9169967fceb38f29a49b6df966a882ff0c37c7e30c83cf578e90a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "609c635a0ec9169967fceb38f29a49b6df966a882ff0c37c7e30c83cf578e90a", kill_on_drop: false }`
[INFO] [stdout] 609c635a0ec9169967fceb38f29a49b6df966a882ff0c37c7e30c83cf578e90a
