[INFO] cloning repository https://github.com/m1kc/rfalse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/m1kc/rfalse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm1kc%2Frfalse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm1kc%2Frfalse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 179fbffd539793224d2870de9a0dffc6248b27ed
[INFO] checking m1kc/rfalse against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm1kc%2Frfalse" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/m1kc/rfalse
[INFO] finished tweaking git repo https://github.com/m1kc/rfalse
[INFO] tweaked toml for git repo https://github.com/m1kc/rfalse written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/m1kc/rfalse on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/m1kc/rfalse 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" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c938bde4b8a075c188ecd58c2322d21f4c6b313cd16ee75b0a9898d45b2962b
[INFO] running `Command { std: "docker" "start" "-a" "3c938bde4b8a075c188ecd58c2322d21f4c6b313cd16ee75b0a9898d45b2962b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c938bde4b8a075c188ecd58c2322d21f4c6b313cd16ee75b0a9898d45b2962b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c938bde4b8a075c188ecd58c2322d21f4c6b313cd16ee75b0a9898d45b2962b", kill_on_drop: false }`
[INFO] [stdout] 3c938bde4b8a075c188ecd58c2322d21f4c6b313cd16ee75b0a9898d45b2962b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d95a49585ff844ebc0f523d97e18012295ef84397ae1f260e993096c27c499bc
[INFO] running `Command { std: "docker" "start" "-a" "d95a49585ff844ebc0f523d97e18012295ef84397ae1f260e993096c27c499bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde v1.0.200
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]     Checking either v1.11.0
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking anstyle v1.0.7
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking clap_lex v0.7.0
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[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking ciborium-ll v0.2.2
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[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking cast v0.3.0
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[INFO] [stderr]    Compiling num_enum_derive v0.7.3
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[INFO] [stderr]     Checking rfalse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `fn_index`
[INFO] [stdout]    --> src/falselang/vm2.rs:163:7
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let fn_index = match parser.parse() {
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fn_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `total` is assigned to, but never used
[INFO] [stdout]    --> src/falselang/vm2.rs:505:11
[INFO] [stdout]     |
[INFO] [stdout] 505 |         let mut total = 0;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_total` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fn_index`
[INFO] [stdout]    --> src/falselang/vm2.rs:163:7
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let fn_index = match parser.parse() {
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fn_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `total` is assigned to, but never used
[INFO] [stdout]    --> src/falselang/vm2.rs:505:11
[INFO] [stdout]     |
[INFO] [stdout] 505 |         let mut total = 0;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_total` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MEM_SIZE` is never used
[INFO] [stdout]   --> src/falselang/vm2.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const MEM_SIZE: usize = 131072;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FIRST_VAR` is never used
[INFO] [stdout]   --> src/falselang/vm2.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const FIRST_VAR: usize = 0;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CALL_STACK_START` is never used
[INFO] [stdout]   --> src/falselang/vm2.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const CALL_STACK_START: usize = FIRST_VAR + 26;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CALL_STACK_SIZE` is never used
[INFO] [stdout]   --> src/falselang/vm2.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const CALL_STACK_SIZE: usize = 640;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FIRST_INSTR` is never used
[INFO] [stdout]   --> src/falselang/vm2.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const FIRST_INSTR: usize = CALL_STACK_START + CALL_STACK_SIZE;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FalseVM` is never constructed
[INFO] [stdout]   --> src/falselang/vm2.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct FalseVM {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `StepResult` is never used
[INFO] [stdout]   --> src/falselang/vm2.rs:69:10
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub enum StepResult {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/falselang/vm2.rs:75:9
[INFO] [stdout]     |
[INFO] [stdout] 74  | impl FalseVM {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] 75  |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 88  |     pub fn compile_fn(&mut self, code: &Vec<Token>, epilogue: Instr) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 159 |     pub fn load(&mut self, code: &str) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 |     pub fn instr_consume(&mut self) -> i32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 192 |     pub fn instr_push(&mut self, x: Instr) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 196 |     pub fn instr_push1(&mut self, x: Instr, arg1: i32) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 201 |     pub fn instr_push2(&mut self, x: Instr, arg1: i32, arg2: i32) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 207 |     pub fn instr_push_raw(&mut self, x: i32) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 212 |     pub fn goto(&mut self, addr: usize) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 217 |     pub fn push(&mut self, x: i32) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 222 |     pub fn peek(&self) -> i32 {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 226 |     pub fn pop(&mut self) -> i32 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 233 |     pub fn stack_size(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 237 |     pub fn dump1(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 256 |     pub fn dump2(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 293 |     pub fn callstack_push(&mut self, x: i32) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 298 |     pub fn callstack_pop(&mut self) -> i32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 305 |     pub fn step(&mut self) -> StepResult {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 504 |     pub fn run(&mut self) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: unused variable: `fn_index`
[INFO] [stdout]    --> src/falselang/vm2.rs:163:7
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let fn_index = match parser.parse() {
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fn_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `total` is assigned to, but never used
[INFO] [stdout]    --> src/falselang/vm2.rs:505:11
[INFO] [stdout]     |
[INFO] [stdout] 505 |         let mut total = 0;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_total` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `instr_push2` and `dump1` are never used
[INFO] [stdout]    --> src/falselang/vm2.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 74  | impl FalseVM {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 201 |     pub fn instr_push2(&mut self, x: Instr, arg1: i32, arg2: i32) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 237 |     pub fn dump1(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fn_index`
[INFO] [stdout]    --> src/falselang/vm2.rs:163:7
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let fn_index = match parser.parse() {
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fn_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `total` is assigned to, but never used
[INFO] [stdout]    --> src/falselang/vm2.rs:505:11
[INFO] [stdout]     |
[INFO] [stdout] 505 |         let mut total = 0;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_total` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.93s
[INFO] running `Command { std: "docker" "inspect" "d95a49585ff844ebc0f523d97e18012295ef84397ae1f260e993096c27c499bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d95a49585ff844ebc0f523d97e18012295ef84397ae1f260e993096c27c499bc", kill_on_drop: false }`
[INFO] [stdout] d95a49585ff844ebc0f523d97e18012295ef84397ae1f260e993096c27c499bc
