[INFO] cloning repository https://github.com/ulahello/toy-cheri-1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ulahello/toy-cheri-1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fulahello%2Ftoy-cheri-1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fulahello%2Ftoy-cheri-1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2df888ab7ac759e8e3e66e33d290353101ce020a
[INFO] checking ulahello/toy-cheri-1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fulahello%2Ftoy-cheri-1" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/ulahello/toy-cheri-1
[INFO] finished tweaking git repo https://github.com/ulahello/toy-cheri-1
[INFO] tweaked toml for git repo https://github.com/ulahello/toy-cheri-1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ulahello/toy-cheri-1 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ulahello/toy-cheri-1 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05b2767f138f4876552b0343d521f0ed4b81b380f3443a0be0a780b1e5943a7d
[INFO] running `Command { std: "docker" "start" "-a" "05b2767f138f4876552b0343d521f0ed4b81b380f3443a0be0a780b1e5943a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05b2767f138f4876552b0343d521f0ed4b81b380f3443a0be0a780b1e5943a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05b2767f138f4876552b0343d521f0ed4b81b380f3443a0be0a780b1e5943a7d", kill_on_drop: false }`
[INFO] [stdout] 05b2767f138f4876552b0343d521f0ed4b81b380f3443a0be0a780b1e5943a7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a789e014fcfce283e23d4134cd78786859f512bb2003c0bc4f75e75331a1bf7
[INFO] running `Command { std: "docker" "start" "-a" "6a789e014fcfce283e23d4134cd78786859f512bb2003c0bc4f75e75331a1bf7", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]     Checking pin-project-lite v0.2.11
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking nu-ansi-term v0.49.0
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking ctrlc v3.4.0
[INFO] [stderr]    Compiling argh_shared v0.1.11
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling argh_derive v0.1.11
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking argh v0.1.11
[INFO] [stderr]     Checking fruticose-vm v0.1.0 (/opt/rustwide/workdir/libvm)
[INFO] [stdout] warning: the feature `const_option` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> libvm/src/lib.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_roundings, const_option)]
[INFO] [stdout]   |                           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> libvm/src/abi.rs:184:5
[INFO] [stdout]     |
[INFO] [stdout] 184 |     usize::try_from(diff).unwrap()
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:42:34
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(src.len()));
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 | int_impl!(UGran);
[INFO] [stdout]    | ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:42:70
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(src.len()));
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 | int_impl!(UGran);
[INFO] [stdout]    | ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | int_impl!(UGran);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | int_impl!(UGran);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | int_impl!(UGran);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | int_impl!(UGran);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:55:34
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(dst.len()));
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 | int_impl!(UGran);
[INFO] [stdout]    | ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:55:70
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(dst.len()));
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 | int_impl!(UGran);
[INFO] [stdout]    | ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | int_impl!(UGran);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | int_impl!(UGran);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | int_impl!(UGran);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | int_impl!(UGran);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:42:34
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(src.len()));
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 | int_impl!(UAddr);
[INFO] [stdout]    | ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:42:70
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(src.len()));
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 | int_impl!(UAddr);
[INFO] [stdout]    | ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:70:1
[INFO] [stdout]    |
[INFO] [stdout] 70 | int_impl!(UAddr);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:70:1
[INFO] [stdout]    |
[INFO] [stdout] 70 | int_impl!(UAddr);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:70:1
[INFO] [stdout]    |
[INFO] [stdout] 70 | int_impl!(UAddr);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:70:1
[INFO] [stdout]    |
[INFO] [stdout] 70 | int_impl!(UAddr);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:55:34
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(dst.len()));
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 | int_impl!(UAddr);
[INFO] [stdout]    | ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:55:70
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(dst.len()));
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 | int_impl!(UAddr);
[INFO] [stdout]    | ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:70:1
[INFO] [stdout]    |
[INFO] [stdout] 70 | int_impl!(UAddr);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:70:1
[INFO] [stdout]    |
[INFO] [stdout] 70 | int_impl!(UAddr);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:70:1
[INFO] [stdout]    |
[INFO] [stdout] 70 | int_impl!(UAddr);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:70:1
[INFO] [stdout]    |
[INFO] [stdout] 70 | int_impl!(UAddr);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:42:34
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(src.len()));
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 | int_impl!(u8);
[INFO] [stdout]    | ------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:42:70
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(src.len()));
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 | int_impl!(u8);
[INFO] [stdout]    | ------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | int_impl!(u8);
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | int_impl!(u8);
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | int_impl!(u8);
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | int_impl!(u8);
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:55:34
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(dst.len()));
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 | int_impl!(u8);
[INFO] [stdout]    | ------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:55:70
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(dst.len()));
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 | int_impl!(u8);
[INFO] [stdout]    | ------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | int_impl!(u8);
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | int_impl!(u8);
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | int_impl!(u8);
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | int_impl!(u8);
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:42:34
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(src.len()));
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 | int_impl!(u32);
[INFO] [stdout]    | -------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:42:70
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(src.len()));
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 | int_impl!(u32);
[INFO] [stdout]    | -------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | int_impl!(u32);
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | int_impl!(u32);
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | int_impl!(u32);
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | int_impl!(u32);
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:55:34
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(dst.len()));
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 | int_impl!(u32);
[INFO] [stdout]    | -------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:55:70
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(dst.len()));
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 | int_impl!(u32);
[INFO] [stdout]    | -------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | int_impl!(u32);
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | int_impl!(u32);
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | int_impl!(u32);
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | int_impl!(u32);
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:42:34
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(src.len()));
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 | int_impl!(SGran);
[INFO] [stdout]    | ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:42:70
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(src.len()));
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 | int_impl!(SGran);
[INFO] [stdout]    | ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | int_impl!(SGran);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | int_impl!(SGran);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | int_impl!(SGran);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | int_impl!(SGran);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:55:34
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(dst.len()));
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 | int_impl!(SGran);
[INFO] [stdout]    | ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:55:70
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(dst.len()));
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 | int_impl!(SGran);
[INFO] [stdout]    | ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | int_impl!(SGran);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | int_impl!(SGran);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | int_impl!(SGran);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | int_impl!(SGran);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:42:34
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(src.len()));
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 | int_impl!(SAddr);
[INFO] [stdout]    | ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:42:70
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(src.len()));
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 | int_impl!(SAddr);
[INFO] [stdout]    | ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | int_impl!(SAddr);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | int_impl!(SAddr);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | int_impl!(SAddr);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | int_impl!(SAddr);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:55:34
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(dst.len()));
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 | int_impl!(SAddr);
[INFO] [stdout]    | ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:55:70
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(dst.len()));
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 | int_impl!(SAddr);
[INFO] [stdout]    | ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | int_impl!(SAddr);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | int_impl!(SAddr);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | int_impl!(SAddr);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | int_impl!(SAddr);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:42:34
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(src.len()));
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 | int_impl!(i8);
[INFO] [stdout]    | ------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:42:70
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(src.len()));
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 | int_impl!(i8);
[INFO] [stdout]    | ------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | int_impl!(i8);
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | int_impl!(i8);
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | int_impl!(i8);
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | int_impl!(i8);
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:55:34
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(dst.len()));
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 | int_impl!(i8);
[INFO] [stdout]    | ------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:55:70
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(dst.len()));
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 | int_impl!(i8);
[INFO] [stdout]    | ------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | int_impl!(i8);
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | int_impl!(i8);
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | int_impl!(i8);
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | int_impl!(i8);
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:42:34
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(src.len()));
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 | int_impl!(i32);
[INFO] [stdout]    | -------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:42:70
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(src.len()));
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 | int_impl!(i32);
[INFO] [stdout]    | -------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | int_impl!(i32);
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | int_impl!(i32);
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | int_impl!(i32);
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | int_impl!(i32);
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:55:34
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(dst.len()));
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 | int_impl!(i32);
[INFO] [stdout]    | -------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:55:70
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 debug_assert_eq!(usize::try_from(Self::LAYOUT.size), Ok(dst.len()));
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 | int_impl!(i32);
[INFO] [stdout]    | -------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | int_impl!(i32);
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | int_impl!(i32);
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | int_impl!(i32);
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/abi/core_impls.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | int_impl!(i32);
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::assert_eq` which comes from the expansion of the macro `int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> libvm/src/mem.rs:44:29
[INFO] [stdout]    |
[INFO] [stdout] 44 |             .and_then(|len| usize::try_from(len).ok())
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> libvm/src/mem.rs:224:25
[INFO] [stdout]     |
[INFO] [stdout] 224 |         let start_idx = usize::try_from(src.addr().get()).ok()?;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> libvm/src/mem.rs:225:27
[INFO] [stdout]     |
[INFO] [stdout] 225 |         let layout_size = usize::try_from(layout.size).ok()?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> libvm/src/mem.rs:234:25
[INFO] [stdout]     |
[INFO] [stdout] 234 |         let start_idx = usize::try_from(dst.addr().get()).ok()?;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> libvm/src/mem.rs:235:27
[INFO] [stdout]     |
[INFO] [stdout] 235 |         let layout_size = usize::try_from(layout.size).ok()?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> libvm/src/mem.rs:249:21
[INFO] [stdout]     |
[INFO] [stdout] 249 |         let elems = usize::try_from(granules)
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> libvm/src/mem.rs:297:9
[INFO] [stdout]     |
[INFO] [stdout] 297 |         usize::try_from(idx).ok()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fruticose-vm` (lib) due to 104 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "6a789e014fcfce283e23d4134cd78786859f512bb2003c0bc4f75e75331a1bf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a789e014fcfce283e23d4134cd78786859f512bb2003c0bc4f75e75331a1bf7", kill_on_drop: false }`
[INFO] [stdout] 6a789e014fcfce283e23d4134cd78786859f512bb2003c0bc4f75e75331a1bf7