[INFO] cloning repository https://github.com/000lbh/naive-lab-compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/000lbh/naive-lab-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F000lbh%2Fnaive-lab-compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F000lbh%2Fnaive-lab-compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9201bda4dfaafa44b08040d425e5e41a0fa0ba58
[INFO] testing 000lbh/naive-lab-compiler against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F000lbh%2Fnaive-lab-compiler" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/000lbh/naive-lab-compiler
[INFO] finished tweaking git repo https://github.com/000lbh/naive-lab-compiler
[INFO] tweaked toml for git repo https://github.com/000lbh/naive-lab-compiler written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/000lbh/naive-lab-compiler on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/000lbh/naive-lab-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" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b623f94f465e8d84b9aea32d420a512acf070714a295824a1cab8114d08ab0b
[INFO] running `Command { std: "docker" "start" "-a" "6b623f94f465e8d84b9aea32d420a512acf070714a295824a1cab8114d08ab0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b623f94f465e8d84b9aea32d420a512acf070714a295824a1cab8114d08ab0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b623f94f465e8d84b9aea32d420a512acf070714a295824a1cab8114d08ab0b", kill_on_drop: false }`
[INFO] [stdout] 6b623f94f465e8d84b9aea32d420a512acf070714a295824a1cab8114d08ab0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95232edea36c1fbc2ab396b6db2761c34240ae26f690e8fa703b6c1ddf4a910e
[INFO] running `Command { std: "docker" "start" "-a" "95232edea36c1fbc2ab396b6db2761c34240ae26f690e8fa703b6c1ddf4a910e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling indexmap v2.2.5
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling ena v0.14.2
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling key-node-list v0.0.5
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling colored v2.1.0
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling string_cache v0.8.7
[INFO] [stderr]    Compiling koopa v0.0.7
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling lalrpop-util v0.20.2
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling lalrpop v0.20.2
[INFO] [stderr]    Compiling compiler-principle-lab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/rvgen/mod.rs:123:45
[INFO] [stdout]     |
[INFO] [stdout] 123 |                         ValueKind::ZeroInit(v) => {
[INFO] [stdout]     |                                             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/rvgen/mod.rs:140:61
[INFO] [stdout]     |
[INFO] [stdout] 140 | ...                   ValueKind::ZeroInit(v) => {
[INFO] [stdout]     |                                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/rvgen/mod.rs:263:30
[INFO] [stdout]     |
[INFO] [stdout] 263 |             ValueKind::Alloc(v) => {
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/rvgen/mod.rs:269:29
[INFO] [stdout]     |
[INFO] [stdout] 269 |                 if let Some(i) = info.globalmap.get(&v.src()) {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/rvgen/mod.rs:311:29
[INFO] [stdout]     |
[INFO] [stdout] 311 |                 if let Some(i) = info.globalmap.get(&v.dest()) {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:22:29
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn write_all(&mut self, mut buf: &[u8]) -> Result<()> {
[INFO] [stdout]    |                             ----^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `output_ir` is never read
[INFO] [stdout]   --> src/main.rs:35:25
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut output_ir = false;
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `store` is never used
[INFO] [stdout]   --> src/rvgen/mod.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn store(writer: &mut impl Write, dest: Value, prog: &Program, info: &GenRiscvInfo, reg: &str) -> Result<()> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.70s
[INFO] running `Command { std: "docker" "inspect" "95232edea36c1fbc2ab396b6db2761c34240ae26f690e8fa703b6c1ddf4a910e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95232edea36c1fbc2ab396b6db2761c34240ae26f690e8fa703b6c1ddf4a910e", kill_on_drop: false }`
[INFO] [stdout] 95232edea36c1fbc2ab396b6db2761c34240ae26f690e8fa703b6c1ddf4a910e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a2cac7ccbd56079edffe5d3ec601ba1b880421857df7e6175e04fdb1d2d072c
[INFO] running `Command { std: "docker" "start" "-a" "1a2cac7ccbd56079edffe5d3ec601ba1b880421857df7e6175e04fdb1d2d072c", kill_on_drop: false }`
[INFO] [stderr]    Compiling compiler-principle-lab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/rvgen/mod.rs:123:45
[INFO] [stdout]     |
[INFO] [stdout] 123 |                         ValueKind::ZeroInit(v) => {
[INFO] [stdout]     |                                             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/rvgen/mod.rs:140:61
[INFO] [stdout]     |
[INFO] [stdout] 140 | ...                   ValueKind::ZeroInit(v) => {
[INFO] [stdout]     |                                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/rvgen/mod.rs:263:30
[INFO] [stdout]     |
[INFO] [stdout] 263 |             ValueKind::Alloc(v) => {
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/rvgen/mod.rs:269:29
[INFO] [stdout]     |
[INFO] [stdout] 269 |                 if let Some(i) = info.globalmap.get(&v.src()) {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/rvgen/mod.rs:311:29
[INFO] [stdout]     |
[INFO] [stdout] 311 |                 if let Some(i) = info.globalmap.get(&v.dest()) {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:22:29
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn write_all(&mut self, mut buf: &[u8]) -> Result<()> {
[INFO] [stdout]    |                             ----^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `output_ir` is never read
[INFO] [stdout]   --> src/main.rs:35:25
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut output_ir = false;
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `store` is never used
[INFO] [stdout]   --> src/rvgen/mod.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn store(writer: &mut impl Write, dest: Value, prog: &Program, info: &GenRiscvInfo, reg: &str) -> Result<()> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "1a2cac7ccbd56079edffe5d3ec601ba1b880421857df7e6175e04fdb1d2d072c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a2cac7ccbd56079edffe5d3ec601ba1b880421857df7e6175e04fdb1d2d072c", kill_on_drop: false }`
[INFO] [stdout] 1a2cac7ccbd56079edffe5d3ec601ba1b880421857df7e6175e04fdb1d2d072c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b55f6c9347aff4a763f906ad59b51d158ae701e031af0a26c3c74e9da09053b6
[INFO] running `Command { std: "docker" "start" "-a" "b55f6c9347aff4a763f906ad59b51d158ae701e031af0a26c3c74e9da09053b6", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/rvgen/mod.rs:123:45
[INFO] [stderr]     |
[INFO] [stderr] 123 |                         ValueKind::ZeroInit(v) => {
[INFO] [stderr]     |                                             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/rvgen/mod.rs:140:61
[INFO] [stderr]     |
[INFO] [stderr] 140 | ...                   ValueKind::ZeroInit(v) => {
[INFO] [stderr]     |                                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/rvgen/mod.rs:263:30
[INFO] [stderr]     |
[INFO] [stderr] 263 |             ValueKind::Alloc(v) => {
[INFO] [stderr]     |                              ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/rvgen/mod.rs:269:29
[INFO] [stderr]     |
[INFO] [stderr] 269 |                 if let Some(i) = info.globalmap.get(&v.src()) {
[INFO] [stderr]     |                             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/rvgen/mod.rs:311:29
[INFO] [stderr]     |
[INFO] [stderr] 311 |                 if let Some(i) = info.globalmap.get(&v.dest()) {
[INFO] [stderr]     |                             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:22:29
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn write_all(&mut self, mut buf: &[u8]) -> Result<()> {
[INFO] [stderr]    |                             ----^^^
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `output_ir` is never read
[INFO] [stderr]   --> src/main.rs:35:25
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let mut output_ir = false;
[INFO] [stderr]    |                         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `store` is never used
[INFO] [stderr]   --> src/rvgen/mod.rs:66:4
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn store(writer: &mut impl Write, dest: Value, prog: &Program, info: &GenRiscvInfo, reg: &str) -> Result<()> {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `compiler-principle-lab` (bin "compiler-principle-lab" test) generated 8 warnings (run `cargo fix --bin "compiler-principle-lab" -p compiler-principle-lab --tests` to apply 6 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/compiler_principle_lab-375be64c3c9982c5)
[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] running `Command { std: "docker" "inspect" "b55f6c9347aff4a763f906ad59b51d158ae701e031af0a26c3c74e9da09053b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b55f6c9347aff4a763f906ad59b51d158ae701e031af0a26c3c74e9da09053b6", kill_on_drop: false }`
[INFO] [stdout] b55f6c9347aff4a763f906ad59b51d158ae701e031af0a26c3c74e9da09053b6
