[INFO] cloning repository https://github.com/lillianrubyrose/whisker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lillianrubyrose/whisker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flillianrubyrose%2Fwhisker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flillianrubyrose%2Fwhisker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b1660759b19dabc8927a594cc37195d1ac47f14
[INFO] testing lillianrubyrose/whisker against 1.97.0-beta.6 for beta-1.98-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flillianrubyrose%2Fwhisker" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/lillianrubyrose/whisker
[INFO] finished tweaking git repo https://github.com/lillianrubyrose/whisker
[INFO] tweaked toml for git repo https://github.com/lillianrubyrose/whisker written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lillianrubyrose/whisker on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lillianrubyrose/whisker 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" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/whisker-emu/softfloat-pure.git`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f44e870eb46d80e8563e3493407b56feaa76d95f28e6b91415dfd6f22dfc675c
[INFO] running `Command { std: "docker" "start" "f44e870eb46d80e8563e3493407b56feaa76d95f28e6b91415dfd6f22dfc675c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f44e870eb46d80e8563e3493407b56feaa76d95f28e6b91415dfd6f22dfc675c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f44e870eb46d80e8563e3493407b56feaa76d95f28e6b91415dfd6f22dfc675c" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f44e870eb46d80e8563e3493407b56feaa76d95f28e6b91415dfd6f22dfc675c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f44e870eb46d80e8563e3493407b56feaa76d95f28e6b91415dfd6f22dfc675c" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling io-lifetimes v2.0.4
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling io-extras v0.18.4
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling convert_case v0.7.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling clap_builder v4.5.29
[INFO] [stderr]    Compiling managed v0.8.0
[INFO] [stderr]    Compiling socketpair v0.19.8
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling iee-754-2019 v0.1.0 (/opt/rustwide/workdir/src/iee-754-2019)
[INFO] [stderr]    Compiling elfie v0.1.0 (/opt/rustwide/workdir/src/elfie)
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling spin v0.10.0
[INFO] [stderr]    Compiling maple-tree v0.1.0 (/opt/rustwide/workdir/src/maple-tree)
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling gdbstub v0.7.3
[INFO] [stderr]    Compiling clap-num v1.2.0
[INFO] [stderr]    Compiling softfloat_pure v0.3.4 (https://github.com/whisker-emu/softfloat-pure.git#f655f4c3)
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling gdbstub_arch v0.3.1
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling clap_derive v4.5.28
[INFO] [stderr]    Compiling bytemuck_derive v1.9.3
[INFO] [stderr]    Compiling bitfield_impl v0.1.0 (/opt/rustwide/workdir/src/bitfield/bitfield_impl)
[INFO] [stderr]    Compiling bitfield v0.1.0 (/opt/rustwide/workdir/src/bitfield)
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling crossterm v0.29.0
[INFO] [stderr]    Compiling bytemuck v1.23.1
[INFO] [stderr]    Compiling command-fds v0.3.2
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling clap v4.5.29
[INFO] [stderr]    Compiling whisker v0.1.0 (/opt/rustwide/workdir/src/whisker)
[INFO] [stderr]    Compiling cutie v0.1.0 (/opt/rustwide/workdir/src/cutie)
[INFO] [stdout] error: environment variable `CARGO_WORKSPACE_DIR` not defined at compile time
[INFO] [stdout]    --> src/cutie/src/main.rs:161:31
[INFO] [stdout]     |
[INFO] [stdout] 161 |     let base_dir = PathBuf::from(env!("CARGO_WORKSPACE_DIR"));
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: `CARGO_WORKSPACE_DIR` may not be available for the current Cargo target
[INFO] [stdout]     = help: Cargo sets build script variables at run time. Use `std::env::var("CARGO_WORKSPACE_DIR")` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `CARGO_WORKSPACE_DIR` not defined at compile time
[INFO] [stdout]    --> src/cutie/src/main.rs:234:31
[INFO] [stdout]     |
[INFO] [stdout] 234 |     let base_dir = PathBuf::from(env!("CARGO_WORKSPACE_DIR"));
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: `CARGO_WORKSPACE_DIR` may not be available for the current Cargo target
[INFO] [stdout]     = help: Cargo sets build script variables at run time. Use `std::env::var("CARGO_WORKSPACE_DIR")` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `CARGO_WORKSPACE_DIR` not defined at compile time
[INFO] [stdout]    --> src/cutie/src/main.rs:282:31
[INFO] [stdout]     |
[INFO] [stdout] 282 |     let base_dir = PathBuf::from(env!("CARGO_WORKSPACE_DIR"));
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: `CARGO_WORKSPACE_DIR` may not be available for the current Cargo target
[INFO] [stdout]     = help: Cargo sets build script variables at run time. Use `std::env::var("CARGO_WORKSPACE_DIR")` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `CARGO_WORKSPACE_DIR` not defined at compile time
[INFO] [stdout]    --> src/cutie/src/main.rs:314:31
[INFO] [stdout]     |
[INFO] [stdout] 314 |     let base_dir = PathBuf::from(env!("CARGO_WORKSPACE_DIR"));
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: `CARGO_WORKSPACE_DIR` may not be available for the current Cargo target
[INFO] [stdout]     = help: Cargo sets build script variables at run time. Use `std::env::var("CARGO_WORKSPACE_DIR")` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::assert_matches`
[INFO] [stdout]  --> src/whisker/src/cpu/hart.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{assert_matches::assert_matches, collections::BTreeMap, fmt::Write as _, num::NonZeroU64};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^ could not find `assert_matches` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/whisker/src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(assert_matches, duration_millis_float, debug_closure_helpers, cold_path)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `assert_matches` has been stable since 1.96.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/whisker/src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(assert_matches, duration_millis_float, debug_closure_helpers, cold_path)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `cold_path` has been stable since 1.95.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/whisker/src/main.rs:2:74
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(assert_matches, duration_millis_float, debug_closure_helpers, cold_path)]
[INFO] [stdout]   |                                                                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cutie` (bin "cutie") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/whisker/src/cpu/csr.rs:446:59
[INFO] [stdout]     |
[INFO] [stdout] 446 |     let conf = AddressTranslationMode::from_bits((val >> 60).truncate());
[INFO] [stdout]     |                                                              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/whisker/src/cpu/csr.rs:461:16
[INFO] [stdout]     |
[INFO] [stdout] 461 |     let val = val.truncate::<u8>();
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/whisker/src/cpu/csr.rs:618:28
[INFO] [stdout]     |
[INFO] [stdout] 618 |         HartMode::from_bits(mode.truncate())
[INFO] [stdout]     |                                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/whisker/src/cpu/hart.rs:862:39
[INFO] [stdout]     |
[INFO] [stdout] 862 |                 let val = self.registers.get(src).truncate::<u8>();
[INFO] [stdout]     |                                                   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/whisker/src/cpu/hart.rs:867:39
[INFO] [stdout]     |
[INFO] [stdout] 867 |                 let val = self.registers.get(src).truncate::<u16>();
[INFO] [stdout]     |                                                   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/whisker/src/cpu/hart.rs:872:39
[INFO] [stdout]     |
[INFO] [stdout] 872 |                 let val = self.registers.get(src).truncate::<u32>();
[INFO] [stdout]     |                                                   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/whisker/src/cpu/hart.rs:958:39
[INFO] [stdout]     |
[INFO] [stdout] 958 |                 let rhs = self.registers.get(rhs).truncate::<u32>();
[INFO] [stdout]     |                                                   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/whisker/src/cpu/hart.rs:964:39
[INFO] [stdout]     |
[INFO] [stdout] 964 |                 let rhs = self.registers.get(rhs).truncate::<u32>();
[INFO] [stdout]     |                                                   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/whisker/src/cpu/hart.rs:970:39
[INFO] [stdout]     |
[INFO] [stdout] 970 |                 let rhs = self.registers.get(rhs).truncate::<u32>();
[INFO] [stdout]     |                                                   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1032:58
[INFO] [stdout]      |
[INFO] [stdout] 1032 |                     let hint = (rhs.cast_unsigned() & 0b1111_1111_1111).truncate::<u16>();
[INFO] [stdout]      |                                                                         ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1047:39
[INFO] [stdout]      |
[INFO] [stdout] 1047 |                 let lhs = self.registers.get(lhs).truncate::<u32>();
[INFO] [stdout]      |                                                   ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1053:39
[INFO] [stdout]      |
[INFO] [stdout] 1053 |                 let lhs = self.registers.get(lhs).truncate::<u32>();
[INFO] [stdout]      |                                                   ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1058:39
[INFO] [stdout]      |
[INFO] [stdout] 1058 |                 let lhs = self.registers.get(lhs).truncate::<u32>();
[INFO] [stdout]      |                                                   ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1063:39
[INFO] [stdout]      |
[INFO] [stdout] 1063 |                 let lhs = self.registers.get(lhs).truncate::<u32>().cast_signed();
[INFO] [stdout]      |                                                   ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1121:39
[INFO] [stdout]      |
[INFO] [stdout] 1121 |                 let lhs = self.registers.get(lhs).truncate::<u32>();
[INFO] [stdout]      |                                                   ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1122:39
[INFO] [stdout]      |
[INFO] [stdout] 1122 |                 let rhs = self.registers.get(rhs).truncate::<u32>();
[INFO] [stdout]      |                                                   ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1127:39
[INFO] [stdout]      |
[INFO] [stdout] 1127 |                 let lhs = self.registers.get(lhs).truncate::<u32>();
[INFO] [stdout]      |                                                   ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1128:39
[INFO] [stdout]      |
[INFO] [stdout] 1128 |                 let rhs = self.registers.get(rhs).truncate::<u32>();
[INFO] [stdout]      |                                                   ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1135:39
[INFO] [stdout]      |
[INFO] [stdout] 1135 |                 let lhs = self.registers.get(lhs).truncate::<u32>();
[INFO] [stdout]      |                                                   ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1136:53
[INFO] [stdout]      |
[INFO] [stdout] 1136 |                 let shamt = (self.registers.get(rhs) & 0b11111).truncate::<u32>();
[INFO] [stdout]      |                                                                 ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1141:39
[INFO] [stdout]      |
[INFO] [stdout] 1141 |                 let lhs = self.registers.get(lhs).truncate::<u32>();
[INFO] [stdout]      |                                                   ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1142:53
[INFO] [stdout]      |
[INFO] [stdout] 1142 |                 let shamt = (self.registers.get(rhs) & 0b11111).truncate::<u32>();
[INFO] [stdout]      |                                                                 ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1147:39
[INFO] [stdout]      |
[INFO] [stdout] 1147 |                 let lhs = self.registers.get(lhs).truncate::<u32>().cast_signed();
[INFO] [stdout]      |                                                   ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1148:53
[INFO] [stdout]      |
[INFO] [stdout] 1148 |                 let shamt = (self.registers.get(rhs) & 0b11111).truncate::<u32>();
[INFO] [stdout]      |                                                                 ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1194:66
[INFO] [stdout]      |
[INFO] [stdout] 1194 |                 let val = SoftFloat::from_u32(self.fp_registers.get_raw(src).truncate::<u32>());
[INFO] [stdout]      |                                                                              ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1329:46
[INFO] [stdout]      |
[INFO] [stdout] 1329 |                 let src = self.fp_registers.get_raw(src).truncate::<u32>();
[INFO] [stdout]      |                                                          ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1340:46
[INFO] [stdout]      |
[INFO] [stdout] 1340 |                 let src = self.fp_registers.get_raw(src).truncate::<u32>();
[INFO] [stdout]      |                                                          ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1351:46
[INFO] [stdout]      |
[INFO] [stdout] 1351 |                 let src = self.fp_registers.get_raw(src).truncate::<u32>();
[INFO] [stdout]      |                                                          ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1362:46
[INFO] [stdout]      |
[INFO] [stdout] 1362 |                 let src = self.fp_registers.get_raw(src).truncate::<u32>();
[INFO] [stdout]      |                                                          ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1373:39
[INFO] [stdout]      |
[INFO] [stdout] 1373 |                 let src = self.registers.get(src).truncate::<u32>().cast_signed();
[INFO] [stdout]      |                                                   ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1381:39
[INFO] [stdout]      |
[INFO] [stdout] 1381 |                 let src = self.registers.get(src).truncate::<u32>();
[INFO] [stdout]      |                                                   ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1417:46
[INFO] [stdout]      |
[INFO] [stdout] 1417 |                 let val = self.fp_registers.get_raw(src).truncate::<u32>().sign_extend::<u64>();
[INFO] [stdout]      |                                                          ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1421:39
[INFO] [stdout]      |
[INFO] [stdout] 1421 |                 let val = self.registers.get(src).truncate::<u32>();
[INFO] [stdout]      |                                                   ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1638:39
[INFO] [stdout]      |
[INFO] [stdout] 1638 |                 let src = self.registers.get(src).truncate::<u32>().cast_signed();
[INFO] [stdout]      |                                                   ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1643:39
[INFO] [stdout]      |
[INFO] [stdout] 1643 |                 let src = self.registers.get(src).truncate::<u32>();
[INFO] [stdout]      |                                                   ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1664:46
[INFO] [stdout]      |
[INFO] [stdout] 1664 |                 let src = self.fp_registers.get_raw(src).truncate::<u32>();
[INFO] [stdout]      |                                                          ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1810:40
[INFO] [stdout]      |
[INFO] [stdout] 1810 |                 let val = self.registers.get(src2).truncate::<u32>();
[INFO] [stdout]      |                                                    ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1826:46
[INFO] [stdout]      |
[INFO] [stdout] 1826 |                     let src2_val = hart.registers.get(src2).truncate::<u32>();
[INFO] [stdout]      |                                                             ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1843:46
[INFO] [stdout]      |
[INFO] [stdout] 1843 |                     let src2_val = this.registers.get(src2).truncate::<u32>();
[INFO] [stdout]      |                                                             ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1862:46
[INFO] [stdout]      |
[INFO] [stdout] 1862 |                     let src2_val = this.registers.get(src2).truncate::<u32>();
[INFO] [stdout]      |                                                             ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1880:46
[INFO] [stdout]      |
[INFO] [stdout] 1880 |                     let src2_val = this.registers.get(src2).truncate::<u32>();
[INFO] [stdout]      |                                                             ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1898:46
[INFO] [stdout]      |
[INFO] [stdout] 1898 |                     let src2_val = this.registers.get(src2).truncate::<u32>();
[INFO] [stdout]      |                                                             ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1916:46
[INFO] [stdout]      |
[INFO] [stdout] 1916 |                     let src2_val = this.registers.get(src2).truncate::<u32>().cast_signed();
[INFO] [stdout]      |                                                             ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1934:46
[INFO] [stdout]      |
[INFO] [stdout] 1934 |                     let src2_val = this.registers.get(src2).truncate::<u32>().cast_signed();
[INFO] [stdout]      |                                                             ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1952:46
[INFO] [stdout]      |
[INFO] [stdout] 1952 |                     let src2_val = this.registers.get(src2).truncate::<u32>();
[INFO] [stdout]      |                                                             ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:1970:46
[INFO] [stdout]      |
[INFO] [stdout] 1970 |                     let src2_val = this.registers.get(src2).truncate::<u32>();
[INFO] [stdout]      |                                                             ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:2177:51
[INFO] [stdout]      |
[INFO] [stdout] 2177 |                 let hi_bits = (product >> 64).cast_unsigned().truncate::<u64>();
[INFO] [stdout]      |                                                               ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:2186:51
[INFO] [stdout]      |
[INFO] [stdout] 2186 |                 let hi_bits = (product >> 64).cast_unsigned().truncate::<u64>();
[INFO] [stdout]      |                                                               ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:2195:35
[INFO] [stdout]      |
[INFO] [stdout] 2195 |                 let hi_bits = (product >> 64).truncate::<u64>();
[INFO] [stdout]      |                                               ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:2247:39
[INFO] [stdout]      |
[INFO] [stdout] 2247 |                 let lhs = self.registers.get(lhs).truncate::<u32>().cast_signed();
[INFO] [stdout]      |                                                   ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:2248:39
[INFO] [stdout]      |
[INFO] [stdout] 2248 |                 let rhs = self.registers.get(rhs).truncate::<u32>().cast_signed();
[INFO] [stdout]      |                                                   ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:2255:39
[INFO] [stdout]      |
[INFO] [stdout] 2255 |                 let lhs = self.registers.get(lhs).truncate::<u32>().cast_signed();
[INFO] [stdout]      |                                                   ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:2256:39
[INFO] [stdout]      |
[INFO] [stdout] 2256 |                 let rhs = self.registers.get(rhs).truncate::<u32>().cast_signed();
[INFO] [stdout]      |                                                   ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:2269:39
[INFO] [stdout]      |
[INFO] [stdout] 2269 |                 let lhs = self.registers.get(lhs).truncate::<u32>();
[INFO] [stdout]      |                                                   ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:2270:39
[INFO] [stdout]      |
[INFO] [stdout] 2270 |                 let rhs = self.registers.get(rhs).truncate::<u32>();
[INFO] [stdout]      |                                                   ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:2278:39
[INFO] [stdout]      |
[INFO] [stdout] 2278 |                 let lhs = self.registers.get(lhs).truncate::<u32>().cast_signed();
[INFO] [stdout]      |                                                   ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:2279:39
[INFO] [stdout]      |
[INFO] [stdout] 2279 |                 let rhs = self.registers.get(rhs).truncate::<u32>().cast_signed();
[INFO] [stdout]      |                                                   ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:2292:39
[INFO] [stdout]      |
[INFO] [stdout] 2292 |                 let lhs = self.registers.get(lhs).truncate::<u32>();
[INFO] [stdout]      |                                                   ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]     --> src/whisker/src/cpu/hart.rs:2293:39
[INFO] [stdout]      |
[INFO] [stdout] 2293 |                 let rhs = self.registers.get(rhs).truncate::<u32>();
[INFO] [stdout]      |                                                   ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]      = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]      = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/whisker/src/interrupts/mod.rs:196:44
[INFO] [stdout]     |
[INFO] [stdout] 196 |                     4 => self.do_complete(context_id, val.truncate()),
[INFO] [stdout]     |                                                           ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/whisker/src/mem/mmio/uart.rs:231:35
[INFO] [stdout]     |
[INFO] [stdout] 231 |                     *out = (self.divisor & 0xFF).truncate();
[INFO] [stdout]     |                                                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/whisker/src/mem/mmio/uart.rs:239:33
[INFO] [stdout]     |
[INFO] [stdout] 239 |                     *out = (self.divisor >> 8).truncate();
[INFO] [stdout]     |                                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/whisker/src/mem/mmio/virtio_block.rs:155:40
[INFO] [stdout]     |
[INFO] [stdout] 155 |                     self.device_features_select = val.truncate::<u16>();
[INFO] [stdout]     |                                                       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/whisker/src/mem/mmio/virtio_block.rs:163:40
[INFO] [stdout]     |
[INFO] [stdout] 163 |                     self.driver_features_select = val.truncate::<u16>();
[INFO] [stdout]     |                                                       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/whisker/src/mem/mmio/virtio_block.rs:170:29
[INFO] [stdout]     |
[INFO] [stdout] 170 |                 self.queue_select = val.truncate::<u16>();
[INFO] [stdout]     |                                         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/whisker/src/mem/mmio/virtio_block.rs:173:57
[INFO] [stdout]     |
[INFO] [stdout] 173 |             QUEUE_SIZE => self.selected_queue_mut().set_size(val.truncate::<u16>()),
[INFO] [stdout]     |                                                                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/whisker/src/mem/mmio/virtio_block.rs:209:33
[INFO] [stdout]     |
[INFO] [stdout] 209 |         (SUPPORTED_FEATURES >> shift).truncate::<u32>()
[INFO] [stdout]     |                                       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/whisker/src/mem/mmio/virtio_block.rs:285:57
[INFO] [stdout]     |
[INFO] [stdout] 285 |         let cleared = InterruptStatus::from_bits_truncate(val.truncate::<u8>());
[INFO] [stdout]     |                                                               ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/whisker/src/mem/mmio/virtio_block.rs:296:20
[INFO] [stdout]     |
[INFO] [stdout] 296 |             let queue = val.truncate::<u16>();
[INFO] [stdout]     |                             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/whisker/src/regs.rs:70:28
[INFO] [stdout]    |
[INFO] [stdout] 70 |             SoftFloat::from_u32(raw.truncate::<u32>())
[INFO] [stdout]    |                                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/whisker/src/virtio/descriptor.rs:94:18
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let len = rest.truncate::<u32>();
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/whisker/src/virtio/descriptor.rs:95:71
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let flags = VirtQueueDescriptorFlags::from_bits_retain((rest >> 32).truncate::<u16>());
[INFO] [stdout]    |                                                                             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `num_conv::Truncate::truncate(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hart`
[INFO] [stdout]    --> src/whisker/src/mem/mmio/virtio_block.rs:226:27
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn set_status(&mut self, hart: &mut WhiskerHart, val: u32) {
[INFO] [stdout]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_hart`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `whisker` (bin "whisker") due to 2 previous errors; 75 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f44e870eb46d80e8563e3493407b56feaa76d95f28e6b91415dfd6f22dfc675c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f44e870eb46d80e8563e3493407b56feaa76d95f28e6b91415dfd6f22dfc675c", kill_on_drop: false }`
[INFO] [stdout] f44e870eb46d80e8563e3493407b56feaa76d95f28e6b91415dfd6f22dfc675c
