[INFO] cloning repository https://github.com/EbbDrop/c89-compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EbbDrop/c89-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEbbDrop%2Fc89-compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEbbDrop%2Fc89-compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3952ae6b670e46e3d008bf36836be01242542329
[INFO] checking EbbDrop/c89-compiler against try#2b39fe756f52bc2825bf5b2bfc385cab922dae10 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEbbDrop%2Fc89-compiler" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/EbbDrop/c89-compiler
[INFO] finished tweaking git repo https://github.com/EbbDrop/c89-compiler
[INFO] tweaked toml for git repo https://github.com/EbbDrop/c89-compiler written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/EbbDrop/c89-compiler on toolchain 2b39fe756f52bc2825bf5b2bfc385cab922dae10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/EbbDrop/c89-compiler 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" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "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] 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c71db707f4b5cd70b7628a07de123e3a1a484b5c130a8732c7a565c1b4e6502
[INFO] running `Command { std: "docker" "start" "-a" "5c71db707f4b5cd70b7628a07de123e3a1a484b5c130a8732c7a565c1b4e6502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c71db707f4b5cd70b7628a07de123e3a1a484b5c130a8732c7a565c1b4e6502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c71db707f4b5cd70b7628a07de123e3a1a484b5c130a8732c7a565c1b4e6502", kill_on_drop: false }`
[INFO] [stdout] 5c71db707f4b5cd70b7628a07de123e3a1a484b5c130a8732c7a565c1b4e6502
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f72ff1e3d4d5f92089cf8637546e20b354591f62f3c67823e5777b7691e6091
[INFO] running `Command { std: "docker" "start" "-a" "0f72ff1e3d4d5f92089cf8637546e20b354591f62f3c67823e5777b7691e6091", 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] 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 libc v0.2.140
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking vec1 v1.10.1
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking llvm_ir v0.1.0 (/opt/rustwide/workdir/llvm_ir)
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking generational-arena v0.2.9
[INFO] [stderr]    Compiling rustix v0.36.11
[INFO] [stderr]    Compiling comp_lib v0.1.0 (/opt/rustwide/workdir/comp_lib)
[INFO] [stderr]     Checking better_any v0.2.0
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.53
[INFO] [stderr]     Checking anstyle-parse v0.1.1
[INFO] [stderr]     Checking concolor-override v1.0.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking concolor-query v0.3.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.53/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking mips_ir v0.1.0 (/opt/rustwide/workdir/mips_ir)
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]     Checking anstyle v0.3.5
[INFO] [stderr]     Checking clap_lex v0.4.1
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking murmur3 v0.4.1
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking temp-file v0.1.7
[INFO] [stderr]     Checking pretty_assertions v1.3.0
[INFO] [stderr]    Compiling tests v0.1.0 (/opt/rustwide/workdir/tests)
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: failed to run custom build command for `comp_lib v0.1.0 (/opt/rustwide/workdir/comp_lib)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/comp_lib-1c1c06f591e8010c/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   context [/report CANNOT_WRITE_FILE] 1:19 attribute arg isn't defined
[INFO] [stderr]   error(1):  cannot write file : 
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at comp_lib/build.rs:45:9:
[INFO] [stderr]   antlr failed
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x62f0fc09e412 - std::backtrace_rs::backtrace::libunwind::trace::h7832c52827c08170
[INFO] [stderr]                                  at /rustc/2b39fe756f52bc2825bf5b2bfc385cab922dae10/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x62f0fc09e412 - std::backtrace_rs::backtrace::trace_unsynchronized::he6d92e6eb24a4073
[INFO] [stderr]                                  at /rustc/2b39fe756f52bc2825bf5b2bfc385cab922dae10/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x62f0fc09e412 - std::sys::backtrace::_print_fmt::hf139cc888d064b09
[INFO] [stderr]                                  at /rustc/2b39fe756f52bc2825bf5b2bfc385cab922dae10/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x62f0fc09e412 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h7083fbd4e20a000f
[INFO] [stderr]                                  at /rustc/2b39fe756f52bc2825bf5b2bfc385cab922dae10/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x62f0fc0bd503 - core::fmt::rt::Argument::fmt::h9d8c637e6bfd5ccf
[INFO] [stderr]                                  at /rustc/2b39fe756f52bc2825bf5b2bfc385cab922dae10/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x62f0fc0bd503 - core::fmt::write::hdf3c6ae14c3e8125
[INFO] [stderr]                                  at /rustc/2b39fe756f52bc2825bf5b2bfc385cab922dae10/library/core/src/fmt/mod.rs:1465:25
[INFO] [stderr]      6:     0x62f0fc09bd33 - std::io::default_write_fmt::h15936264287de7bf
[INFO] [stderr]                                  at /rustc/2b39fe756f52bc2825bf5b2bfc385cab922dae10/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x62f0fc09bd33 - std::io::Write::write_fmt::h84df75adb307f7e6
[INFO] [stderr]                                  at /rustc/2b39fe756f52bc2825bf5b2bfc385cab922dae10/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x62f0fc09e262 - std::sys::backtrace::BacktraceLock::print::h30a2059d03e705e4
[INFO] [stderr]                                  at /rustc/2b39fe756f52bc2825bf5b2bfc385cab922dae10/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x62f0fc09f376 - std::panicking::default_hook::{{closure}}::hf489e9f54ce49c27
[INFO] [stderr]                                  at /rustc/2b39fe756f52bc2825bf5b2bfc385cab922dae10/library/std/src/panicking.rs:300:27
[INFO] [stderr]     10:     0x62f0fc09f179 - std::panicking::default_hook::h20d961ad9a0e12f0
[INFO] [stderr]                                  at /rustc/2b39fe756f52bc2825bf5b2bfc385cab922dae10/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x62f0fc09fc42 - std::panicking::rust_panic_with_hook::h306db6d00921085e
[INFO] [stderr]                                  at /rustc/2b39fe756f52bc2825bf5b2bfc385cab922dae10/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x62f0fc09faa6 - std::panicking::begin_panic_handler::{{closure}}::h19782e9851ecb030
[INFO] [stderr]                                  at /rustc/2b39fe756f52bc2825bf5b2bfc385cab922dae10/library/std/src/panicking.rs:699:13
[INFO] [stderr]     13:     0x62f0fc09e909 - std::sys::backtrace::__rust_end_short_backtrace::h475e7ebac10ba75b
[INFO] [stderr]                                  at /rustc/2b39fe756f52bc2825bf5b2bfc385cab922dae10/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     14:     0x62f0fc09f76d - __rustc[3b00513142ba1c9a]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/2b39fe756f52bc2825bf5b2bfc385cab922dae10/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x62f0fc0bc7f0 - core::panicking::panic_fmt::h6940cb0a7d852762
[INFO] [stderr]                                  at /rustc/2b39fe756f52bc2825bf5b2bfc385cab922dae10/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x62f0fc078238 - build_script_build::main::h98bf057da15f82ba
[INFO] [stderr]     17:     0x62f0fc072f53 - core::ops::function::FnOnce::call_once::h11de806bfab44c31
[INFO] [stderr]     18:     0x62f0fc072a26 - std::sys::backtrace::__rust_begin_short_backtrace::ha792fdada5424d5e
[INFO] [stderr]     19:     0x62f0fc072a09 - std::rt::lang_start::{{closure}}::h80f4cb57146d644b
[INFO] [stderr]     20:     0x62f0fc098690 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h0021e0fe3c5bf8c3
[INFO] [stderr]                                  at /rustc/2b39fe756f52bc2825bf5b2bfc385cab922dae10/library/core/src/ops/function.rs:284:21
[INFO] [stderr]     21:     0x62f0fc098690 - std::panicking::catch_unwind::do_call::hfef49f2cd13a22dd
[INFO] [stderr]                                  at /rustc/2b39fe756f52bc2825bf5b2bfc385cab922dae10/library/std/src/panicking.rs:589:40
[INFO] [stderr]     22:     0x62f0fc098690 - std::panicking::catch_unwind::h34968869e68aaad1
[INFO] [stderr]                                  at /rustc/2b39fe756f52bc2825bf5b2bfc385cab922dae10/library/std/src/panicking.rs:552:19
[INFO] [stderr]     23:     0x62f0fc098690 - std::panic::catch_unwind::h5235c74f5d682697
[INFO] [stderr]                                  at /rustc/2b39fe756f52bc2825bf5b2bfc385cab922dae10/library/std/src/panic.rs:359:14
[INFO] [stderr]     24:     0x62f0fc098690 - std::rt::lang_start_internal::{{closure}}::hcee20ca47ef7f51b
[INFO] [stderr]                                  at /rustc/2b39fe756f52bc2825bf5b2bfc385cab922dae10/library/std/src/rt.rs:175:24
[INFO] [stderr]     25:     0x62f0fc098690 - std::panicking::catch_unwind::do_call::h359adcb901a84505
[INFO] [stderr]                                  at /rustc/2b39fe756f52bc2825bf5b2bfc385cab922dae10/library/std/src/panicking.rs:589:40
[INFO] [stderr]     26:     0x62f0fc098690 - std::panicking::catch_unwind::h8f4f1e91d2aabe23
[INFO] [stderr]                                  at /rustc/2b39fe756f52bc2825bf5b2bfc385cab922dae10/library/std/src/panicking.rs:552:19
[INFO] [stderr]     27:     0x62f0fc098690 - std::panic::catch_unwind::h73a78f1a5b0a6154
[INFO] [stderr]                                  at /rustc/2b39fe756f52bc2825bf5b2bfc385cab922dae10/library/std/src/panic.rs:359:14
[INFO] [stderr]     28:     0x62f0fc098690 - std::rt::lang_start_internal::he64187ddd3d90437
[INFO] [stderr]                                  at /rustc/2b39fe756f52bc2825bf5b2bfc385cab922dae10/library/std/src/rt.rs:171:5
[INFO] [stderr]     29:     0x62f0fc0729f1 - std::rt::lang_start::h5c80e60fd6880280
[INFO] [stderr]     30:     0x62f0fc0785c5 - main
[INFO] [stderr]     31:     0x738095a2a1ca - <unknown>
[INFO] [stderr]     32:     0x738095a2a28b - __libc_start_main
[INFO] [stderr]     33:     0x62f0fc0721d5 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> mips_ir/src/cfg/mod.rs:145:12
[INFO] [stdout]     |
[INFO] [stdout] 123 | impl Cfg {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 145 |     pub fn set_entry_block(&mut self, new_entry_block: BlockId) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     pub fn get(&self, block: BlockId) -> Option<&BasicBlock> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 168 |     pub fn get_mut(&mut self, block: BlockId) -> Option<&mut BasicBlock> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 216 |     pub fn n_successors(&self, block: BlockId) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 224 |     pub fn successors(&self, block: BlockId) -> impl Iterator<Item = (BlockId, &BasicBlock)> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 272 |     pub fn dominance_frontiers(&self) -> BTreeMap<BlockId, BTreeSet<BlockId>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 297 |     pub fn du_chain(&self, reg: AnyReg) -> uda::DuChain {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `strict_dominators`, `is_reachable`, `dominates`, and `strictly_dominates` are never used
[INFO] [stdout]    --> mips_ir/src/cfg/mod.rs:515:12
[INFO] [stdout]     |
[INFO] [stdout] 432 | impl DominatorTree {
[INFO] [stdout]     | ------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 515 |     pub fn strict_dominators(&self, block: BlockId) -> impl Iterator<Item = BlockId> + '_ {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 531 |     pub fn is_reachable(&self, block: BlockId) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 535 |     pub fn dominates(&self, dominator: BlockId, dominated: BlockId) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 539 |     pub fn strictly_dominates(&self, dominator: BlockId, dominated: BlockId) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_next_location` is never used
[INFO] [stdout]   --> mips_ir/src/dfa/uda/du_chains.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl DefLocation {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn as_next_location(self) -> Location {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `as_location` and `as_next_location` are never used
[INFO] [stdout]   --> mips_ir/src/dfa/uda/du_chains.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl GlobalDefLocation {
[INFO] [stdout]    | ---------------------- methods in this implementation
[INFO] [stdout] 72 |     #[inline]
[INFO] [stdout] 73 |     pub fn as_location(self) -> GlobalLocation {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn as_next_location(self) -> GlobalLocation {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `def` is never used
[INFO] [stdout]    --> mips_ir/src/dfa/uda/du_chains.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 105 | impl DuChain {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 144 |     pub fn def(&self) -> GlobalDefLocation {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> mips_ir/src/cfg/mod.rs:145:12
[INFO] [stdout]     |
[INFO] [stdout] 123 | impl Cfg {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 145 |     pub fn set_entry_block(&mut self, new_entry_block: BlockId) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     pub fn get(&self, block: BlockId) -> Option<&BasicBlock> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 168 |     pub fn get_mut(&mut self, block: BlockId) -> Option<&mut BasicBlock> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 216 |     pub fn n_successors(&self, block: BlockId) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 224 |     pub fn successors(&self, block: BlockId) -> impl Iterator<Item = (BlockId, &BasicBlock)> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 272 |     pub fn dominance_frontiers(&self) -> BTreeMap<BlockId, BTreeSet<BlockId>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 297 |     pub fn du_chain(&self, reg: AnyReg) -> uda::DuChain {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `strict_dominators`, `is_reachable`, `dominates`, and `strictly_dominates` are never used
[INFO] [stdout]    --> mips_ir/src/cfg/mod.rs:515:12
[INFO] [stdout]     |
[INFO] [stdout] 432 | impl DominatorTree {
[INFO] [stdout]     | ------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 515 |     pub fn strict_dominators(&self, block: BlockId) -> impl Iterator<Item = BlockId> + '_ {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 531 |     pub fn is_reachable(&self, block: BlockId) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 535 |     pub fn dominates(&self, dominator: BlockId, dominated: BlockId) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 539 |     pub fn strictly_dominates(&self, dominator: BlockId, dominated: BlockId) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_next_location` is never used
[INFO] [stdout]   --> mips_ir/src/dfa/uda/du_chains.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl DefLocation {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn as_next_location(self) -> Location {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `as_location` and `as_next_location` are never used
[INFO] [stdout]   --> mips_ir/src/dfa/uda/du_chains.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl GlobalDefLocation {
[INFO] [stdout]    | ---------------------- methods in this implementation
[INFO] [stdout] 72 |     #[inline]
[INFO] [stdout] 73 |     pub fn as_location(self) -> GlobalLocation {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn as_next_location(self) -> GlobalLocation {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `def` is never used
[INFO] [stdout]    --> mips_ir/src/dfa/uda/du_chains.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 105 | impl DuChain {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 144 |     pub fn def(&self) -> GlobalDefLocation {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> mips_ir/src/cfg/mod.rs:544:25
[INFO] [stdout]     |
[INFO] [stdout] 544 |     pub fn dfs_preorder(&self) -> DominatorTreeDfsPreorder {
[INFO] [stdout]     |                         ^^^^^     ------------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 544 |     pub fn dfs_preorder(&self) -> DominatorTreeDfsPreorder<'_> {
[INFO] [stdout]     |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> mips_ir/src/cfg/mod.rs:548:30
[INFO] [stdout]     |
[INFO] [stdout] 548 |     pub fn dfs_preorder_from(&self, start: BlockId) -> DominatorTreeDfsPreorder {
[INFO] [stdout]     |                              ^^^^^                     ------------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 548 |     pub fn dfs_preorder_from(&self, start: BlockId) -> DominatorTreeDfsPreorder<'_> {
[INFO] [stdout]     |                                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> mips_ir/src/function/mod.rs:127:21
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn traverse(&self) -> Traverser {
[INFO] [stdout]     |                     ^^^^^     --------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn traverse(&self) -> Traverser<'_> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> mips_ir/src/function/mod.rs:133:25
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub fn traverse_all(&self) -> Traverser {
[INFO] [stdout]     |                         ^^^^^     --------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub fn traverse_all(&self) -> Traverser<'_> {
[INFO] [stdout]     |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> mips_ir/src/cfg/mod.rs:544:25
[INFO] [stdout]     |
[INFO] [stdout] 544 |     pub fn dfs_preorder(&self) -> DominatorTreeDfsPreorder {
[INFO] [stdout]     |                         ^^^^^     ------------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 544 |     pub fn dfs_preorder(&self) -> DominatorTreeDfsPreorder<'_> {
[INFO] [stdout]     |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> mips_ir/src/cfg/mod.rs:548:30
[INFO] [stdout]     |
[INFO] [stdout] 548 |     pub fn dfs_preorder_from(&self, start: BlockId) -> DominatorTreeDfsPreorder {
[INFO] [stdout]     |                              ^^^^^                     ------------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 548 |     pub fn dfs_preorder_from(&self, start: BlockId) -> DominatorTreeDfsPreorder<'_> {
[INFO] [stdout]     |                                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> mips_ir/src/function/mod.rs:127:21
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn traverse(&self) -> Traverser {
[INFO] [stdout]     |                     ^^^^^     --------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn traverse(&self) -> Traverser<'_> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> mips_ir/src/function/mod.rs:133:25
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub fn traverse_all(&self) -> Traverser {
[INFO] [stdout]     |                         ^^^^^     --------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub fn traverse_all(&self) -> Traverser<'_> {
[INFO] [stdout]     |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]    --> mips_ir/src/reg/test.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 140 |     format!("{}", Reg::R(32));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]    --> mips_ir/src/reg/test.rs:146:5
[INFO] [stdout]     |
[INFO] [stdout] 146 |     format!("{}", FReg::F(32));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> llvm_ir/src/module.rs:383:20
[INFO] [stdout]     |
[INFO] [stdout] 383 |     pub fn display(&self, opts: crate::FmtOpts) -> Display {
[INFO] [stdout]     |                    ^^^^^                           ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 383 |     pub fn display(&self, opts: crate::FmtOpts) -> Display<'_> {
[INFO] [stdout]     |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> llvm_ir/src/module.rs:383:20
[INFO] [stdout]     |
[INFO] [stdout] 383 |     pub fn display(&self, opts: crate::FmtOpts) -> Display {
[INFO] [stdout]     |                    ^^^^^                           ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 383 |     pub fn display(&self, opts: crate::FmtOpts) -> Display<'_> {
[INFO] [stdout]     |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0f72ff1e3d4d5f92089cf8637546e20b354591f62f3c67823e5777b7691e6091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f72ff1e3d4d5f92089cf8637546e20b354591f62f3c67823e5777b7691e6091", kill_on_drop: false }`
[INFO] [stdout] 0f72ff1e3d4d5f92089cf8637546e20b354591f62f3c67823e5777b7691e6091
