[INFO] cloning repository https://github.com/sirkibsirkib/neghorn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sirkibsirkib/neghorn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Fneghorn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Fneghorn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 540d850f647067d5fb75537ad17b0ce1a3f4c891
[INFO] checking sirkibsirkib/neghorn against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Fneghorn" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sirkibsirkib/neghorn on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sirkibsirkib/neghorn
[INFO] finished tweaking git repo https://github.com/sirkibsirkib/neghorn
[INFO] tweaked toml for git repo https://github.com/sirkibsirkib/neghorn written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sirkibsirkib/neghorn 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ecb375ea520f91d4d75092b7d44d0bece437e4a82d264f04b3f827f8e484e5e
[INFO] running `Command { std: "docker" "start" "-a" "0ecb375ea520f91d4d75092b7d44d0bece437e4a82d264f04b3f827f8e484e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ecb375ea520f91d4d75092b7d44d0bece437e4a82d264f04b3f827f8e484e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ecb375ea520f91d4d75092b7d44d0bece437e4a82d264f04b3f827f8e484e5e", kill_on_drop: false }`
[INFO] [stdout] 0ecb375ea520f91d4d75092b7d44d0bece437e4a82d264f04b3f827f8e484e5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d53464375b7621a71f1b4d3e042cf3439a6e808b2c4eb3d44e4a8f1ddc810eac
[INFO] running `Command { std: "docker" "start" "-a" "d53464375b7621a71f1b4d3e042cf3439a6e808b2c4eb3d44e4a8f1ddc810eac", kill_on_drop: false }`
[INFO] [stderr]     Checking neghorn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hashset`
[INFO] [stdout]  --> src/main.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use maplit::{hashmap, hashset};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hashset`
[INFO] [stdout]  --> src/main.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use maplit::{hashmap, hashset};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashSet` and `VecDeque`
[INFO] [stdout]  --> src/main.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{HashMap, HashSet, VecDeque};
[INFO] [stdout]   |                                 ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashSet` and `VecDeque`
[INFO] [stdout]  --> src/main.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{HashMap, HashSet, VecDeque};
[INFO] [stdout]   |                                 ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `given` and `expected` are never read
[INFO] [stdout]   --> src/chunk_arena.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub(crate) struct WrongSize {
[INFO] [stdout]    |                   --------- fields in this struct
[INFO] [stdout] 30 |     given: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 31 |     expected: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WrongSize` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_slice` is never used
[INFO] [stdout]    --> src/chunk_arena.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | impl ChunkArena {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn from_slice<'a, const N: usize>(i: impl Iterator<Item = &'a [u8; N]> + 'a) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]    --> src/chunk_arena.rs:198:15
[INFO] [stdout]     |
[INFO] [stdout] 198 | pub(crate) fn test() {
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `zero_len_test` is never used
[INFO] [stdout]    --> src/chunk_arena.rs:211:15
[INFO] [stdout]     |
[INFO] [stdout] 211 | pub(crate) fn zero_len_test() {
[INFO] [stdout]     |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Leq`, `Eq`, and `Neq` are never constructed
[INFO] [stdout]  --> src/state.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum CmpOp {
[INFO] [stdout]   |      ----- variants in this enum
[INFO] [stdout] 5 |     Leq,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 6 |     Lt,
[INFO] [stdout] 7 |     Eq,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 8 |     Neq,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CmpOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Pos` is never constructed
[INFO] [stdout]   --> src/state.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | enum Sign {
[INFO] [stdout]    |      ---- variant in this enum
[INFO] [stdout] 33 |     Pos,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Sign` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Const` and `Buf` are never constructed
[INFO] [stdout]   --> src/state.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | enum FragSrcKind {
[INFO] [stdout]    |      ----------- variants in this enum
[INFO] [stdout] 39 |     Const,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 40 |     Buf,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FragSrcKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Const` is never constructed
[INFO] [stdout]   --> src/state.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | enum ExtendSrc {
[INFO] [stdout]    |      --------- variant in this enum
[INFO] [stdout] 50 |     Var { var_id: VarIdx },
[INFO] [stdout] 51 |     Const,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExtendSrc` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Truncate` is never constructed
[INFO] [stdout]   --> src/state.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | enum RuleIns {
[INFO] [stdout]    |      ------- variant in this enum
[INFO] [stdout] 55 |     ExtendBuf { src_range: Range<u16>, extend_src: ExtendSrc },
[INFO] [stdout] 56 |     Truncate { new_len: u16 },
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RuleIns` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `add_pos` is never used
[INFO] [stdout]    --> src/state.rs:194:8
[INFO] [stdout]     |
[INFO] [stdout] 182 | impl State {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 194 |     fn add_pos(
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TidSizeErr` is never used
[INFO] [stdout]   --> src/types.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(crate) enum TidSizeErr {
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnknownFields` is never constructed
[INFO] [stdout]   --> src/types.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub(crate) enum MaybeFieldsLookupErr {
[INFO] [stdout]    |                 -------------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 33 |     UnknownFields,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MaybeFieldsLookupErr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `size` and `name` are never used
[INFO] [stdout]   --> src/types.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 85 | impl PrimDef {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 86 |     fn size(self) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     fn name(self) -> &'static str {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `type_is_readable` and `type_is_writable` are never used
[INFO] [stdout]   --> src/types.rs:94:19
[INFO] [stdout]    |
[INFO] [stdout] 93 | impl TypeMap {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 94 |     pub(crate) fn type_is_readable(&self, tid: TypeId) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 97 |     pub(crate) fn type_is_writable(&self, tid: TypeId) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `given` and `expected` are never read
[INFO] [stdout]   --> src/chunk_arena.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub(crate) struct WrongSize {
[INFO] [stdout]    |                   --------- fields in this struct
[INFO] [stdout] 30 |     given: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 31 |     expected: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WrongSize` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_slice` is never used
[INFO] [stdout]    --> src/chunk_arena.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | impl ChunkArena {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn from_slice<'a, const N: usize>(i: impl Iterator<Item = &'a [u8; N]> + 'a) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]    --> src/chunk_arena.rs:198:15
[INFO] [stdout]     |
[INFO] [stdout] 198 | pub(crate) fn test() {
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `zero_len_test` is never used
[INFO] [stdout]    --> src/chunk_arena.rs:211:15
[INFO] [stdout]     |
[INFO] [stdout] 211 | pub(crate) fn zero_len_test() {
[INFO] [stdout]     |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Leq`, `Eq`, and `Neq` are never constructed
[INFO] [stdout]  --> src/state.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum CmpOp {
[INFO] [stdout]   |      ----- variants in this enum
[INFO] [stdout] 5 |     Leq,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 6 |     Lt,
[INFO] [stdout] 7 |     Eq,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 8 |     Neq,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CmpOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Pos` is never constructed
[INFO] [stdout]   --> src/state.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | enum Sign {
[INFO] [stdout]    |      ---- variant in this enum
[INFO] [stdout] 33 |     Pos,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Sign` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Const` and `Buf` are never constructed
[INFO] [stdout]   --> src/state.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | enum FragSrcKind {
[INFO] [stdout]    |      ----------- variants in this enum
[INFO] [stdout] 39 |     Const,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 40 |     Buf,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FragSrcKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Const` is never constructed
[INFO] [stdout]   --> src/state.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | enum ExtendSrc {
[INFO] [stdout]    |      --------- variant in this enum
[INFO] [stdout] 50 |     Var { var_id: VarIdx },
[INFO] [stdout] 51 |     Const,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExtendSrc` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Truncate` is never constructed
[INFO] [stdout]   --> src/state.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | enum RuleIns {
[INFO] [stdout]    |      ------- variant in this enum
[INFO] [stdout] 55 |     ExtendBuf { src_range: Range<u16>, extend_src: ExtendSrc },
[INFO] [stdout] 56 |     Truncate { new_len: u16 },
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RuleIns` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `add_pos` is never used
[INFO] [stdout]    --> src/state.rs:194:8
[INFO] [stdout]     |
[INFO] [stdout] 182 | impl State {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 194 |     fn add_pos(
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TidSizeErr` is never used
[INFO] [stdout]   --> src/types.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(crate) enum TidSizeErr {
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnknownFields` is never constructed
[INFO] [stdout]   --> src/types.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub(crate) enum MaybeFieldsLookupErr {
[INFO] [stdout]    |                 -------------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 33 |     UnknownFields,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MaybeFieldsLookupErr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `size` and `name` are never used
[INFO] [stdout]   --> src/types.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 85 | impl PrimDef {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 86 |     fn size(self) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     fn name(self) -> &'static str {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `type_is_readable` and `type_is_writable` are never used
[INFO] [stdout]   --> src/types.rs:94:19
[INFO] [stdout]    |
[INFO] [stdout] 93 | impl TypeMap {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 94 |     pub(crate) fn type_is_readable(&self, tid: TypeId) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 97 |     pub(crate) fn type_is_writable(&self, tid: TypeId) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "d53464375b7621a71f1b4d3e042cf3439a6e808b2c4eb3d44e4a8f1ddc810eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d53464375b7621a71f1b4d3e042cf3439a6e808b2c4eb3d44e4a8f1ddc810eac", kill_on_drop: false }`
[INFO] [stdout] d53464375b7621a71f1b4d3e042cf3439a6e808b2c4eb3d44e4a8f1ddc810eac
[INFO] checking sirkibsirkib/neghorn against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Fneghorn" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sirkibsirkib/neghorn on toolchain f9935d29d867449445ee008640ccca1bf1ae0889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sirkibsirkib/neghorn
[INFO] finished tweaking git repo https://github.com/sirkibsirkib/neghorn
[INFO] tweaked toml for git repo https://github.com/sirkibsirkib/neghorn written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sirkibsirkib/neghorn 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ba901ee05d30804e3246b302e29959d03af92af344250505cb6b72cb9d90379
[INFO] running `Command { std: "docker" "start" "-a" "2ba901ee05d30804e3246b302e29959d03af92af344250505cb6b72cb9d90379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ba901ee05d30804e3246b302e29959d03af92af344250505cb6b72cb9d90379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ba901ee05d30804e3246b302e29959d03af92af344250505cb6b72cb9d90379", kill_on_drop: false }`
[INFO] [stdout] 2ba901ee05d30804e3246b302e29959d03af92af344250505cb6b72cb9d90379
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eebd15db77983b341fe9e096f2569486e01a5216c845c309a85ff9e6f24780cd
[INFO] running `Command { std: "docker" "start" "-a" "eebd15db77983b341fe9e096f2569486e01a5216c845c309a85ff9e6f24780cd", kill_on_drop: false }`
[INFO] [stderr]     Checking neghorn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hashset`
[INFO] [stdout]  --> src/main.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use maplit::{hashmap, hashset};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashSet` and `VecDeque`
[INFO] [stdout]  --> src/main.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{HashMap, HashSet, VecDeque};
[INFO] [stdout]   |                                 ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hashset`
[INFO] [stdout]  --> src/main.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use maplit::{hashmap, hashset};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashSet` and `VecDeque`
[INFO] [stdout]  --> src/main.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{HashMap, HashSet, VecDeque};
[INFO] [stdout]   |                                 ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `given` and `expected` are never read
[INFO] [stdout]   --> src/chunk_arena.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub(crate) struct WrongSize {
[INFO] [stdout]    |                   --------- fields in this struct
[INFO] [stdout] 30 |     given: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 31 |     expected: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WrongSize` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `given` and `expected` are never read
[INFO] [stdout]   --> src/chunk_arena.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub(crate) struct WrongSize {
[INFO] [stdout]    |                   --------- fields in this struct
[INFO] [stdout] 30 |     given: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 31 |     expected: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WrongSize` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_slice` is never used
[INFO] [stdout]    --> src/chunk_arena.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | impl ChunkArena {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn from_slice<'a, const N: usize>(i: impl Iterator<Item = &'a [u8; N]> + 'a) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]    --> src/chunk_arena.rs:198:15
[INFO] [stdout]     |
[INFO] [stdout] 198 | pub(crate) fn test() {
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_slice` is never used
[INFO] [stdout]    --> src/chunk_arena.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | impl ChunkArena {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn from_slice<'a, const N: usize>(i: impl Iterator<Item = &'a [u8; N]> + 'a) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `zero_len_test` is never used
[INFO] [stdout]    --> src/chunk_arena.rs:211:15
[INFO] [stdout]     |
[INFO] [stdout] 211 | pub(crate) fn zero_len_test() {
[INFO] [stdout]     |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]    --> src/chunk_arena.rs:198:15
[INFO] [stdout]     |
[INFO] [stdout] 198 | pub(crate) fn test() {
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `zero_len_test` is never used
[INFO] [stdout]    --> src/chunk_arena.rs:211:15
[INFO] [stdout]     |
[INFO] [stdout] 211 | pub(crate) fn zero_len_test() {
[INFO] [stdout]     |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Leq`, `Eq`, and `Neq` are never constructed
[INFO] [stdout]  --> src/state.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum CmpOp {
[INFO] [stdout]   |      ----- variants in this enum
[INFO] [stdout] 5 |     Leq,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 6 |     Lt,
[INFO] [stdout] 7 |     Eq,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 8 |     Neq,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CmpOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Pos` is never constructed
[INFO] [stdout]   --> src/state.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | enum Sign {
[INFO] [stdout]    |      ---- variant in this enum
[INFO] [stdout] 33 |     Pos,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Sign` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Leq`, `Eq`, and `Neq` are never constructed
[INFO] [stdout]  --> src/state.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum CmpOp {
[INFO] [stdout]   |      ----- variants in this enum
[INFO] [stdout] 5 |     Leq,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 6 |     Lt,
[INFO] [stdout] 7 |     Eq,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 8 |     Neq,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CmpOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Const` and `Buf` are never constructed
[INFO] [stdout]   --> src/state.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | enum FragSrcKind {
[INFO] [stdout]    |      ----------- variants in this enum
[INFO] [stdout] 39 |     Const,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 40 |     Buf,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FragSrcKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Const` is never constructed
[INFO] [stdout]   --> src/state.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | enum ExtendSrc {
[INFO] [stdout]    |      --------- variant in this enum
[INFO] [stdout] 50 |     Var { var_id: VarIdx },
[INFO] [stdout] 51 |     Const,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExtendSrc` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Pos` is never constructed
[INFO] [stdout]   --> src/state.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | enum Sign {
[INFO] [stdout]    |      ---- variant in this enum
[INFO] [stdout] 33 |     Pos,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Sign` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Truncate` is never constructed
[INFO] [stdout]   --> src/state.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | enum RuleIns {
[INFO] [stdout]    |      ------- variant in this enum
[INFO] [stdout] 55 |     ExtendBuf { src_range: Range<u16>, extend_src: ExtendSrc },
[INFO] [stdout] 56 |     Truncate { new_len: u16 },
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RuleIns` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Const` and `Buf` are never constructed
[INFO] [stdout]   --> src/state.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | enum FragSrcKind {
[INFO] [stdout]    |      ----------- variants in this enum
[INFO] [stdout] 39 |     Const,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 40 |     Buf,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FragSrcKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `add_pos` is never used
[INFO] [stdout]    --> src/state.rs:194:8
[INFO] [stdout]     |
[INFO] [stdout] 182 | impl State {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 194 |     fn add_pos(
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Const` is never constructed
[INFO] [stdout]   --> src/state.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | enum ExtendSrc {
[INFO] [stdout]    |      --------- variant in this enum
[INFO] [stdout] 50 |     Var { var_id: VarIdx },
[INFO] [stdout] 51 |     Const,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExtendSrc` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TidSizeErr` is never used
[INFO] [stdout]   --> src/types.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(crate) enum TidSizeErr {
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnknownFields` is never constructed
[INFO] [stdout]   --> src/types.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub(crate) enum MaybeFieldsLookupErr {
[INFO] [stdout]    |                 -------------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 33 |     UnknownFields,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MaybeFieldsLookupErr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Truncate` is never constructed
[INFO] [stdout]   --> src/state.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | enum RuleIns {
[INFO] [stdout]    |      ------- variant in this enum
[INFO] [stdout] 55 |     ExtendBuf { src_range: Range<u16>, extend_src: ExtendSrc },
[INFO] [stdout] 56 |     Truncate { new_len: u16 },
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RuleIns` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `add_pos` is never used
[INFO] [stdout]    --> src/state.rs:194:8
[INFO] [stdout]     |
[INFO] [stdout] 182 | impl State {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 194 |     fn add_pos(
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `size` and `name` are never used
[INFO] [stdout]   --> src/types.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 85 | impl PrimDef {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 86 |     fn size(self) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     fn name(self) -> &'static str {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TidSizeErr` is never used
[INFO] [stdout]   --> src/types.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(crate) enum TidSizeErr {
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `type_is_readable` and `type_is_writable` are never used
[INFO] [stdout]   --> src/types.rs:94:19
[INFO] [stdout]    |
[INFO] [stdout] 93 | impl TypeMap {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 94 |     pub(crate) fn type_is_readable(&self, tid: TypeId) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 97 |     pub(crate) fn type_is_writable(&self, tid: TypeId) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnknownFields` is never constructed
[INFO] [stdout]   --> src/types.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub(crate) enum MaybeFieldsLookupErr {
[INFO] [stdout]    |                 -------------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 33 |     UnknownFields,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MaybeFieldsLookupErr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `size` and `name` are never used
[INFO] [stdout]   --> src/types.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 85 | impl PrimDef {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 86 |     fn size(self) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     fn name(self) -> &'static str {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/chunk_arena.rs:54:20
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub(crate) fn new(arenas: impl Iterator<Item = &'a ChunkArena>) -> Self {
[INFO] [stdout]    |                       -------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 54 |             slots: arenas.map(|arena| ChunkSlot { next_chunk_index: 0, arena }).collect(),
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `type_is_readable` and `type_is_writable` are never used
[INFO] [stdout]   --> src/types.rs:94:19
[INFO] [stdout]    |
[INFO] [stdout] 93 | impl TypeMap {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 94 |     pub(crate) fn type_is_readable(&self, tid: TypeId) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 97 |     pub(crate) fn type_is_writable(&self, tid: TypeId) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/chunk_arena.rs:54:20
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub(crate) fn new(arenas: impl Iterator<Item = &'a ChunkArena>) -> Self {
[INFO] [stdout]    |                       -------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 54 |             slots: arenas.map(|arena| ChunkSlot { next_chunk_index: 0, arena }).collect(),
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `neghorn` (bin "neghorn") due to 2 previous errors; 16 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `neghorn` (bin "neghorn" test) due to 2 previous errors; 16 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "eebd15db77983b341fe9e096f2569486e01a5216c845c309a85ff9e6f24780cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eebd15db77983b341fe9e096f2569486e01a5216c845c309a85ff9e6f24780cd", kill_on_drop: false }`
[INFO] [stdout] eebd15db77983b341fe9e096f2569486e01a5216c845c309a85ff9e6f24780cd