[INFO] cloning repository https://github.com/SuperTails/langcraft
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SuperTails/langcraft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuperTails%2Flangcraft", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuperTails%2Flangcraft'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 996c69648cc11aa25b84fcaede3c79442c431a46
[INFO] testing SuperTails/langcraft against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuperTails%2Flangcraft" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SuperTails/langcraft on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SuperTails/langcraft
[INFO] finished tweaking git repo https://github.com/SuperTails/langcraft
[INFO] tweaked toml for git repo https://github.com/SuperTails/langcraft written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/SuperTails/langcraft already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8f08f041a68033d7e7cc7954ecca3acd97e06035eb2ceaf637a2eecd4126e9b
[INFO] running `Command { std: "docker" "start" "-a" "d8f08f041a68033d7e7cc7954ecca3acd97e06035eb2ceaf637a2eecd4126e9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8f08f041a68033d7e7cc7954ecca3acd97e06035eb2ceaf637a2eecd4126e9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8f08f041a68033d7e7cc7954ecca3acd97e06035eb2ceaf637a2eecd4126e9b", kill_on_drop: false }`
[INFO] [stdout] d8f08f041a68033d7e7cc7954ecca3acd97e06035eb2ceaf637a2eecd4126e9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ef0a174bf6959ae33221fcd8a1127defbcdb06791079e91e68bfa7fcf130d63
[INFO] running `Command { std: "docker" "start" "-a" "7ef0a174bf6959ae33221fcd8a1127defbcdb06791079e91e68bfa7fcf130d63", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling llvm-ir v0.7.1
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling llvm-sys v100.2.0
[INFO] [stderr]    Compiling serde_with_macros v1.1.0
[INFO] [stderr]    Compiling serde_with v1.4.0
[INFO] [stderr]    Compiling langcraft v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]     --> src/compile_ir.rs:1656:30
[INFO] [stdout]      |
[INFO] [stdout] 1656 |         } else if let Some(((d, s), len)) = dest_align.zip(src_align).zip(as_const_32(len)).filter(|((d, s), _)| d % 4 == 0 && s % 4 == 0) {
[INFO] [stdout]      |                              ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/compile_ir.rs:1656:33
[INFO] [stdout]      |
[INFO] [stdout] 1656 |         } else if let Some(((d, s), len)) = dest_align.zip(src_align).zip(as_const_32(len)).filter(|((d, s), _)| d % 4 == 0 && s % 4 == 0) {
[INFO] [stdout]      |                                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bits`
[INFO] [stdout]     --> src/compile_ir.rs:2064:36
[INFO] [stdout]      |
[INFO] [stdout] 2064 |         if let Type::IntegerType { bits } = &*op0_type {
[INFO] [stdout]      |                                    ^^^^ help: try ignoring the field: `bits: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]     --> src/compile_ir.rs:2127:17
[INFO] [stdout]      |
[INFO] [stdout] 2127 |     if let Some(value) = as_const_64(operand1) {
[INFO] [stdout]      |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bits`
[INFO] [stdout]     --> src/compile_ir.rs:2131:36
[INFO] [stdout]      |
[INFO] [stdout] 2131 |         if let Type::IntegerType { bits } = &*op0_type {
[INFO] [stdout]      |                                    ^^^^ help: try ignoring the field: `bits: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dest_pos` is assigned to, but never used
[INFO] [stdout]    --> src/interpreter.rs:957:25
[INFO] [stdout]     |
[INFO] [stdout] 957 |                 let mut dest_pos = pos;
[INFO] [stdout]     |                         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_dest_pos` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `dest_pos` is never read
[INFO] [stdout]    --> src/interpreter.rs:961:21
[INFO] [stdout]     |
[INFO] [stdout] 961 |                     dest_pos = match target.to_string().as_str() {
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `all_dests`
[INFO] [stdout]   --> src/analysis.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn all_dests(&self, func_starts: &HashMap<String, FunctionId>) -> Option<Vec<FunctionId>> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_cond_dest`
[INFO] [stdout]   --> src/analysis.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn get_cond_dest(&self) -> Option<(ScoreHolder, FunctionId, FunctionId)> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `has_call_cycle`
[INFO] [stdout]    --> src/analysis.rs:155:15
[INFO] [stdout]     |
[INFO] [stdout] 155 | pub(crate) fn has_call_cycle(funcs: &[&Function], index: usize) -> bool {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `has_call_cycle_inner`
[INFO] [stdout]    --> src/analysis.rs:160:4
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn has_call_cycle_inner(funcs: &[&Function], index: usize, visited: &mut HashSet<usize>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `BlockTree`
[INFO] [stdout]    --> src/analysis.rs:247:1
[INFO] [stdout]     |
[INFO] [stdout] 247 | pub(crate) type BlockTree<'a> = (DiGraph<ChainNode<'a>, BlockEdge>, NodeIndex<u32>);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.03s
[INFO] running `Command { std: "docker" "inspect" "7ef0a174bf6959ae33221fcd8a1127defbcdb06791079e91e68bfa7fcf130d63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ef0a174bf6959ae33221fcd8a1127defbcdb06791079e91e68bfa7fcf130d63", kill_on_drop: false }`
[INFO] [stdout] 7ef0a174bf6959ae33221fcd8a1127defbcdb06791079e91e68bfa7fcf130d63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 929ba683913633c140397a42934ed4513e0af1a83fc7a207f55b146d70e27045
[INFO] running `Command { std: "docker" "start" "-a" "929ba683913633c140397a42934ed4513e0af1a83fc7a207f55b146d70e27045", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]     --> src/compile_ir.rs:1656:30
[INFO] [stdout]      |
[INFO] [stdout] 1656 |         } else if let Some(((d, s), len)) = dest_align.zip(src_align).zip(as_const_32(len)).filter(|((d, s), _)| d % 4 == 0 && s % 4 == 0) {
[INFO] [stdout]      |                              ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/compile_ir.rs:1656:33
[INFO] [stdout]      |
[INFO] [stdout] 1656 |         } else if let Some(((d, s), len)) = dest_align.zip(src_align).zip(as_const_32(len)).filter(|((d, s), _)| d % 4 == 0 && s % 4 == 0) {
[INFO] [stdout]      |                                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bits`
[INFO] [stdout]     --> src/compile_ir.rs:2064:36
[INFO] [stdout]      |
[INFO] [stdout] 2064 |         if let Type::IntegerType { bits } = &*op0_type {
[INFO] [stdout]      |                                    ^^^^ help: try ignoring the field: `bits: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]     --> src/compile_ir.rs:2127:17
[INFO] [stdout]      |
[INFO] [stdout] 2127 |     if let Some(value) = as_const_64(operand1) {
[INFO] [stdout]      |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bits`
[INFO] [stdout]     --> src/compile_ir.rs:2131:36
[INFO] [stdout]      |
[INFO] [stdout] 2131 |         if let Type::IntegerType { bits } = &*op0_type {
[INFO] [stdout]      |                                    ^^^^ help: try ignoring the field: `bits: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dest_pos` is assigned to, but never used
[INFO] [stdout]    --> src/interpreter.rs:957:25
[INFO] [stdout]     |
[INFO] [stdout] 957 |                 let mut dest_pos = pos;
[INFO] [stdout]     |                         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_dest_pos` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `dest_pos` is never read
[INFO] [stdout]    --> src/interpreter.rs:961:21
[INFO] [stdout]     |
[INFO] [stdout] 961 |                     dest_pos = match target.to_string().as_str() {
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `all_dests`
[INFO] [stdout]   --> src/analysis.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn all_dests(&self, func_starts: &HashMap<String, FunctionId>) -> Option<Vec<FunctionId>> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_cond_dest`
[INFO] [stdout]   --> src/analysis.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn get_cond_dest(&self) -> Option<(ScoreHolder, FunctionId, FunctionId)> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `has_call_cycle`
[INFO] [stdout]    --> src/analysis.rs:155:15
[INFO] [stdout]     |
[INFO] [stdout] 155 | pub(crate) fn has_call_cycle(funcs: &[&Function], index: usize) -> bool {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling langcraft v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `has_call_cycle_inner`
[INFO] [stdout]    --> src/analysis.rs:160:4
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn has_call_cycle_inner(funcs: &[&Function], index: usize, visited: &mut HashSet<usize>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `BlockTree`
[INFO] [stdout]    --> src/analysis.rs:247:1
[INFO] [stdout]     |
[INFO] [stdout] 247 | pub(crate) type BlockTree<'a> = (DiGraph<ChainNode<'a>, BlockEdge>, NodeIndex<u32>);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]     --> src/compile_ir.rs:1656:30
[INFO] [stdout]      |
[INFO] [stdout] 1656 |         } else if let Some(((d, s), len)) = dest_align.zip(src_align).zip(as_const_32(len)).filter(|((d, s), _)| d % 4 == 0 && s % 4 == 0) {
[INFO] [stdout]      |                              ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/compile_ir.rs:1656:33
[INFO] [stdout]      |
[INFO] [stdout] 1656 |         } else if let Some(((d, s), len)) = dest_align.zip(src_align).zip(as_const_32(len)).filter(|((d, s), _)| d % 4 == 0 && s % 4 == 0) {
[INFO] [stdout]      |                                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bits`
[INFO] [stdout]     --> src/compile_ir.rs:2064:36
[INFO] [stdout]      |
[INFO] [stdout] 2064 |         if let Type::IntegerType { bits } = &*op0_type {
[INFO] [stdout]      |                                    ^^^^ help: try ignoring the field: `bits: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]     --> src/compile_ir.rs:2127:17
[INFO] [stdout]      |
[INFO] [stdout] 2127 |     if let Some(value) = as_const_64(operand1) {
[INFO] [stdout]      |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bits`
[INFO] [stdout]     --> src/compile_ir.rs:2131:36
[INFO] [stdout]      |
[INFO] [stdout] 2131 |         if let Type::IntegerType { bits } = &*op0_type {
[INFO] [stdout]      |                                    ^^^^ help: try ignoring the field: `bits: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dest_pos` is assigned to, but never used
[INFO] [stdout]    --> src/interpreter.rs:957:25
[INFO] [stdout]     |
[INFO] [stdout] 957 |                 let mut dest_pos = pos;
[INFO] [stdout]     |                         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_dest_pos` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `dest_pos` is never read
[INFO] [stdout]    --> src/interpreter.rs:961:21
[INFO] [stdout]     |
[INFO] [stdout] 961 |                     dest_pos = match target.to_string().as_str() {
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `all_dests`
[INFO] [stdout]   --> src/analysis.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn all_dests(&self, func_starts: &HashMap<String, FunctionId>) -> Option<Vec<FunctionId>> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_cond_dest`
[INFO] [stdout]   --> src/analysis.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn get_cond_dest(&self) -> Option<(ScoreHolder, FunctionId, FunctionId)> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `has_call_cycle`
[INFO] [stdout]    --> src/analysis.rs:155:15
[INFO] [stdout]     |
[INFO] [stdout] 155 | pub(crate) fn has_call_cycle(funcs: &[&Function], index: usize) -> bool {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `has_call_cycle_inner`
[INFO] [stdout]    --> src/analysis.rs:160:4
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn has_call_cycle_inner(funcs: &[&Function], index: usize, visited: &mut HashSet<usize>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `BlockTree`
[INFO] [stdout]    --> src/analysis.rs:247:1
[INFO] [stdout]     |
[INFO] [stdout] 247 | pub(crate) type BlockTree<'a> = (DiGraph<ChainNode<'a>, BlockEdge>, NodeIndex<u32>);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.67s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/langcraft-b04717214983db41)
[INFO] [stderr]   Executable unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/langcraft_bin-942031bb1405ed2c)
[INFO] [stderr]   Executable tests/tests.rs (/opt/rustwide/target/debug/deps/tests-d3c610bdcedb3c74)
[INFO] running `Command { std: "docker" "inspect" "929ba683913633c140397a42934ed4513e0af1a83fc7a207f55b146d70e27045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "929ba683913633c140397a42934ed4513e0af1a83fc7a207f55b146d70e27045", kill_on_drop: false }`
[INFO] [stdout] 929ba683913633c140397a42934ed4513e0af1a83fc7a207f55b146d70e27045
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3253c58ffaaa3a26b90aac4384f6179951e3799601f37e6e2e5dad11e0f7dd89
[INFO] running `Command { std: "docker" "start" "-a" "3253c58ffaaa3a26b90aac4384f6179951e3799601f37e6e2e5dad11e0f7dd89", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `d`
[INFO] [stderr]     --> src/compile_ir.rs:1656:30
[INFO] [stderr]      |
[INFO] [stderr] 1656 |         } else if let Some(((d, s), len)) = dest_align.zip(src_align).zip(as_const_32(len)).filter(|((d, s), _)| d % 4 == 0 && s % 4 == 0) {
[INFO] [stderr]      |                              ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]     --> src/compile_ir.rs:1656:33
[INFO] [stderr]      |
[INFO] [stderr] 1656 |         } else if let Some(((d, s), len)) = dest_align.zip(src_align).zip(as_const_32(len)).filter(|((d, s), _)| d % 4 == 0 && s % 4 == 0) {
[INFO] [stderr]      |                                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bits`
[INFO] [stderr]     --> src/compile_ir.rs:2064:36
[INFO] [stderr]      |
[INFO] [stderr] 2064 |         if let Type::IntegerType { bits } = &*op0_type {
[INFO] [stderr]      |                                    ^^^^ help: try ignoring the field: `bits: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]     --> src/compile_ir.rs:2127:17
[INFO] [stderr]      |
[INFO] [stderr] 2127 |     if let Some(value) = as_const_64(operand1) {
[INFO] [stderr]      |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bits`
[INFO] [stderr]     --> src/compile_ir.rs:2131:36
[INFO] [stderr]      |
[INFO] [stderr] 2131 |         if let Type::IntegerType { bits } = &*op0_type {
[INFO] [stderr]      |                                    ^^^^ help: try ignoring the field: `bits: _`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `dest_pos` is assigned to, but never used
[INFO] [stderr]    --> src/interpreter.rs:957:25
[INFO] [stderr]     |
[INFO] [stderr] 957 |                 let mut dest_pos = pos;
[INFO] [stderr]     |                         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_dest_pos` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `dest_pos` is never read
[INFO] [stderr]    --> src/interpreter.rs:961:21
[INFO] [stderr]     |
[INFO] [stderr] 961 |                     dest_pos = match target.to_string().as_str() {
[INFO] [stderr]     |                     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `all_dests`
[INFO] [stderr]   --> src/analysis.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn all_dests(&self, func_starts: &HashMap<String, FunctionId>) -> Option<Vec<FunctionId>> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_cond_dest`
[INFO] [stderr]   --> src/analysis.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn get_cond_dest(&self) -> Option<(ScoreHolder, FunctionId, FunctionId)> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `has_call_cycle`
[INFO] [stderr]    --> src/analysis.rs:155:15
[INFO] [stderr]     |
[INFO] [stderr] 155 | pub(crate) fn has_call_cycle(funcs: &[&Function], index: usize) -> bool {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `has_call_cycle_inner`
[INFO] [stderr]    --> src/analysis.rs:160:4
[INFO] [stderr]     |
[INFO] [stderr] 160 | fn has_call_cycle_inner(funcs: &[&Function], index: usize, visited: &mut HashSet<usize>) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `BlockTree`
[INFO] [stderr]    --> src/analysis.rs:247:1
[INFO] [stderr]     |
[INFO] [stderr] 247 | pub(crate) type BlockTree<'a> = (DiGraph<ChainNode<'a>, BlockEdge>, NodeIndex<u32>);
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `langcraft` (lib) generated 12 warnings
[INFO] [stderr] warning: `langcraft` (lib test) generated 12 warnings (12 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/langcraft-b04717214983db41)
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test compile_ir::test::test_u64_add ... ignored
[INFO] [stdout] test compile_ir::test::test_u64_mul ... ignored
[INFO] [stdout] test compile_ir::test::test_u64_shift_const ... ignored
[INFO] [stdout] test compile_ir::test::test_zero_low_bytes ... ignored
[INFO] [stdout] test compile_ir::test::unaligned_u64_store ... ignored
[INFO] [stdout] test compile_ir::test::unaligned_u64_store_const ... ignored
[INFO] [stdout] test compile_ir::test::vector_layout ... ok
[INFO] [stdout] test cir::raw_text::test::color_serialize ... ok
[INFO] [stdout] test compile_ir::test::struct_offset ... ok
[INFO] [stdout] test intrinsics::test::llvm_ctlz_i32 ... ignored
[INFO] [stdout] test intrinsics::test::llvm_fshr_i32 ... ignored
[INFO] [stdout] test cir::raw_text::test::hover_event_serialize ... ok
[INFO] [stdout] test intrinsics::test::shl ... ignored
[INFO] [stdout] test intrinsics::test::shift_from_ptr_zero ... ok
[INFO] [stdout] test intrinsics::test::load_word_unaligned ... ok
[INFO] [stdout] test intrinsics::test::shift_from_ptr_i32_min ... ok
[INFO] [stdout] test intrinsics::test::shift_from_ptr_neg1 ... ok
[INFO] [stdout] test intrinsics::test::store_byte ... ok
[INFO] [stdout] test intrinsics::test::shift_from_ptr_other ... ok
[INFO] [stdout] test intrinsics::test::load_halfword ... ok
[INFO] [stdout] test intrinsics::test::store_halfword ... ok
[INFO] [stdout] test intrinsics::test::and ... ok
[INFO] [stdout] test intrinsics::test::load_byte ... ok
[INFO] [stdout] test intrinsics::test::memcpy ... ok
[INFO] [stdout] test intrinsics::test::bcmp ... ok
[INFO] [stdout] test intrinsics::test::memset ... ok
[INFO] [stdout] test intrinsics::test::xor ... ok
[INFO] [stdout] test intrinsics::test::store_word_unaligned ... ok
[INFO] [stdout] test intrinsics::test::or ... ok
[INFO] [stdout] test intrinsics::test::lshr_i32_min ... ok
[INFO] [stdout] test intrinsics::test::mul_32_to_64 ... ok
[INFO] [stdout] test intrinsics::test::lshr_zero ... ok
[INFO] [stdout] test intrinsics::test::lshr_other_positive ... ok
[INFO] [stdout] test intrinsics::test::lshr_i32_max ... ok
[INFO] [stdout] test intrinsics::test::lshr_other_negative ... ok
[INFO] [stderr]      Running unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/langcraft_bin-942031bb1405ed2c)
[INFO] [stdout] test intrinsics::test::lshr_neg_one ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 9 ignored; 0 measured; 0 filtered out; finished in 0.51s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-d3c610bdcedb3c74)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test arith_shr ... ok
[INFO] [stdout] test add_overflow ... ok
[INFO] [stdout] test func_ptr_cast ... ok
[INFO] [stdout] test dyn_call ... ok
[INFO] [stdout] test sext_8to64 ... ok
[INFO] [stdout] test func_ptr_direct_cast ... ok
[INFO] [stdout] test run_c_tests ... ok
[INFO] [stdout] test fibonacci ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 9.62s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests langcraft
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/cir.rs - cir::FunctionId::namespace (line 445) ... ok
[INFO] [stdout] test src/cir.rs - cir::FunctionId::path (line 459) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.70s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3253c58ffaaa3a26b90aac4384f6179951e3799601f37e6e2e5dad11e0f7dd89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3253c58ffaaa3a26b90aac4384f6179951e3799601f37e6e2e5dad11e0f7dd89", kill_on_drop: false }`
[INFO] [stdout] 3253c58ffaaa3a26b90aac4384f6179951e3799601f37e6e2e5dad11e0f7dd89