[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] checking 000lbh/naive-lab-compiler against try#51de2e90f91fdec6cf64ff542a4e15b9c177a797 for pr-147294
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F000lbh%2Fnaive-lab-compiler" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/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-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/000lbh/naive-lab-compiler on toolchain 51de2e90f91fdec6cf64ff542a4e15b9c177a797
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "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" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21771f0f66c51be6b3b7b5205bc254cd054696af5b5a06e77316d98b58e85138
[INFO] running `Command { std: "docker" "start" "-a" "21771f0f66c51be6b3b7b5205bc254cd054696af5b5a06e77316d98b58e85138", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21771f0f66c51be6b3b7b5205bc254cd054696af5b5a06e77316d98b58e85138", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21771f0f66c51be6b3b7b5205bc254cd054696af5b5a06e77316d98b58e85138", kill_on_drop: false }`
[INFO] [stdout] 21771f0f66c51be6b3b7b5205bc254cd054696af5b5a06e77316d98b58e85138
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccea8d92d12a4deb167b4a42887343306f74105f96384c422417866ee9cdcb53
[INFO] running `Command { std: "docker" "start" "-a" "ccea8d92d12a4deb167b4a42887343306f74105f96384c422417866ee9cdcb53", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]     Checking key-node-list v0.0.5
[INFO] [stderr]     Checking koopa v0.0.7
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling string_cache v0.8.7
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking 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:35:13
[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: value assigned to `input` is never read
[INFO] [stdout]   --> src/main.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut input = String::new();
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `output` is never read
[INFO] [stdout]   --> src/main.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let mut output = String::new();
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[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] [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:35:13
[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: value assigned to `input` is never read
[INFO] [stdout]   --> src/main.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut input = String::new();
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `output` is never read
[INFO] [stdout]   --> src/main.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let mut output = String::new();
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[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 27.22s
[INFO] running `Command { std: "docker" "inspect" "ccea8d92d12a4deb167b4a42887343306f74105f96384c422417866ee9cdcb53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccea8d92d12a4deb167b4a42887343306f74105f96384c422417866ee9cdcb53", kill_on_drop: false }`
[INFO] [stdout] ccea8d92d12a4deb167b4a42887343306f74105f96384c422417866ee9cdcb53
