[INFO] cloning repository https://github.com/valtyr/bfcc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/valtyr/bfcc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaltyr%2Fbfcc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaltyr%2Fbfcc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84bb8bdddfb71d215ebe19c850d0c51f349436a7
[INFO] testing valtyr/bfcc against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaltyr%2Fbfcc" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/valtyr/bfcc on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/valtyr/bfcc
[INFO] finished tweaking git repo https://github.com/valtyr/bfcc
[INFO] tweaked toml for git repo https://github.com/valtyr/bfcc written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/valtyr/bfcc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b09f883b6598876ef2aa99c0da82179ae77268e341e704b9d5277c782cfc12c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8b09f883b6598876ef2aa99c0da82179ae77268e341e704b9d5277c782cfc12c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b09f883b6598876ef2aa99c0da82179ae77268e341e704b9d5277c782cfc12c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b09f883b6598876ef2aa99c0da82179ae77268e341e704b9d5277c782cfc12c", kill_on_drop: false }`
[INFO] [stdout] 8b09f883b6598876ef2aa99c0da82179ae77268e341e704b9d5277c782cfc12c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 575a4fe537ca8cba6a3df09a5709b1bc0b44116824886b1c1e20366b1969571a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "575a4fe537ca8cba6a3df09a5709b1bc0b44116824886b1c1e20366b1969571a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling bumpalo v3.8.0
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]    Compiling escape_string v0.1.1
[INFO] [stderr]    Compiling ascii_tree v0.1.1
[INFO] [stderr]    Compiling cmake v0.1.46
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling zeromq-src v0.1.10+4.3.2
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.78
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.78
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.78
[INFO] [stderr]    Compiling pest_ascii_tree v0.1.0
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]    Compiling wasm-bindgen v0.2.78
[INFO] [stderr]    Compiling bfcc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Interpreter`
[INFO] [stdout]  --> src/interpreter/mod.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Interpreter {
[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: `run`
[INFO] [stdout]   --> src/interpreter/mod.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn run(&mut self, ast: &Vec<Node>) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute_instruction`
[INFO] [stdout]   --> src/interpreter/mod.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn execute_instruction(&mut self, node: &Node) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_events_hook`
[INFO] [stdout]   --> src/interpreter/mod.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn add_events_hook<E: InterpreterEvents + 'static>(&mut self, hook: E) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new`
[INFO] [stdout]   --> src/interpreter/mod.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn new() -> Interpreter {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_and_build_ast`
[INFO] [stdout]   --> src/parser/mod.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn parse_and_build_ast(source: &str) -> Result<Vec<Node>, pest::error::Error<Rule>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `transpile`
[INFO] [stdout]   --> src/transpiler/mod.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn transpile(ast: Vec<Node>) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_source`
[INFO] [stdout]  --> src/utils/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn read_source(path: String) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_file`
[INFO] [stdout]   --> src/utils/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn write_file(path: String, contents: String) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_byte`
[INFO] [stdout]   --> src/utils/mod.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn read_byte() -> Option<u8> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `overflow_add`
[INFO] [stdout]   --> src/utils/mod.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn overflow_add(lhs: u8, rhs: u8) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/utils/doubleagent.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new() -> DoubleAgent {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `defer_movements`
[INFO] [stdout]  --> src/transpiler/transforms/defer_movements.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn defer_movements(branch: Vec<IRNode>) -> Vec<IRNode> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fuse_add`
[INFO] [stdout]  --> src/transpiler/transforms/fuse_add.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn fuse_add(branch: Vec<IRNode>) -> Vec<IRNode> {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fuse_movements`
[INFO] [stdout]  --> src/transpiler/transforms/fuse_movements.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn fuse_movements(branch: Vec<IRNode>) -> Vec<IRNode> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `optimize_children`
[INFO] [stdout]  --> src/transpiler/transforms/mul_loop_optimization.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn optimize_children(children: &Vec<IRNode>) -> Option<Vec<IRNode>> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul_loop_optimization`
[INFO] [stdout]   --> src/transpiler/transforms/mul_loop_optimization.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn mul_loop_optimization(branch: Vec<IRNode>) -> Vec<IRNode> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `unroll_zero_loops`
[INFO] [stdout]  --> src/transpiler/transforms/unroll_zero_loops.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn unroll_zero_loops(branch: Vec<IRNode>) -> Vec<IRNode> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `optimize_children`
[INFO] [stdout]  --> src/transpiler/transforms/mul_loop_optimization.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn optimize_children(children: &Vec<IRNode>) -> Option<Vec<IRNode>> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul_loop_optimization`
[INFO] [stdout]   --> src/transpiler/transforms/mul_loop_optimization.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn mul_loop_optimization(branch: Vec<IRNode>) -> Vec<IRNode> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 20s
[INFO] running `Command { std: "docker" "inspect" "575a4fe537ca8cba6a3df09a5709b1bc0b44116824886b1c1e20366b1969571a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "575a4fe537ca8cba6a3df09a5709b1bc0b44116824886b1c1e20366b1969571a", kill_on_drop: false }`
[INFO] [stdout] 575a4fe537ca8cba6a3df09a5709b1bc0b44116824886b1c1e20366b1969571a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32ff6bd28f29fb2956d2ad3412dfe31252f53cb2ab40edc549c3538fb3bac0f1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "32ff6bd28f29fb2956d2ad3412dfe31252f53cb2ab40edc549c3538fb3bac0f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stdout] warning: struct is never constructed: `Interpreter`
[INFO] [stdout]  --> src/interpreter/mod.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Interpreter {
[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: `run`
[INFO] [stdout]   --> src/interpreter/mod.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn run(&mut self, ast: &Vec<Node>) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute_instruction`
[INFO] [stdout]   --> src/interpreter/mod.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn execute_instruction(&mut self, node: &Node) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_events_hook`
[INFO] [stdout]   --> src/interpreter/mod.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn add_events_hook<E: InterpreterEvents + 'static>(&mut self, hook: E) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new`
[INFO] [stdout]   --> src/interpreter/mod.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn new() -> Interpreter {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_and_build_ast`
[INFO] [stdout]   --> src/parser/mod.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn parse_and_build_ast(source: &str) -> Result<Vec<Node>, pest::error::Error<Rule>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `transpile`
[INFO] [stdout]   --> src/transpiler/mod.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn transpile(ast: Vec<Node>) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_source`
[INFO] [stdout]  --> src/utils/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn read_source(path: String) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_file`
[INFO] [stdout]   --> src/utils/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn write_file(path: String, contents: String) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_byte`
[INFO] [stdout]   --> src/utils/mod.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn read_byte() -> Option<u8> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `overflow_add`
[INFO] [stdout]   --> src/utils/mod.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn overflow_add(lhs: u8, rhs: u8) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/utils/doubleagent.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new() -> DoubleAgent {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `defer_movements`
[INFO] [stdout]  --> src/transpiler/transforms/defer_movements.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn defer_movements(branch: Vec<IRNode>) -> Vec<IRNode> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fuse_add`
[INFO] [stdout]  --> src/transpiler/transforms/fuse_add.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn fuse_add(branch: Vec<IRNode>) -> Vec<IRNode> {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fuse_movements`
[INFO] [stdout]  --> src/transpiler/transforms/fuse_movements.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn fuse_movements(branch: Vec<IRNode>) -> Vec<IRNode> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `optimize_children`
[INFO] [stdout]  --> src/transpiler/transforms/mul_loop_optimization.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn optimize_children(children: &Vec<IRNode>) -> Option<Vec<IRNode>> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul_loop_optimization`
[INFO] [stdout]   --> src/transpiler/transforms/mul_loop_optimization.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn mul_loop_optimization(branch: Vec<IRNode>) -> Vec<IRNode> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `unroll_zero_loops`
[INFO] [stdout]  --> src/transpiler/transforms/unroll_zero_loops.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn unroll_zero_loops(branch: Vec<IRNode>) -> Vec<IRNode> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pretty_assertions v1.0.0
[INFO] [stderr]    Compiling bfcc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `add_events_hook`
[INFO] [stdout]   --> src/interpreter/mod.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn add_events_hook<E: InterpreterEvents + 'static>(&mut self, hook: E) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_and_build_ast`
[INFO] [stdout]   --> src/parser/mod.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn parse_and_build_ast(source: &str) -> Result<Vec<Node>, pest::error::Error<Rule>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `transpile`
[INFO] [stdout]   --> src/transpiler/mod.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn transpile(ast: Vec<Node>) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_source`
[INFO] [stdout]  --> src/utils/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn read_source(path: String) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_file`
[INFO] [stdout]   --> src/utils/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn write_file(path: String, contents: String) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/utils/doubleagent.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new() -> DoubleAgent {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fuse_add`
[INFO] [stdout]  --> src/transpiler/transforms/fuse_add.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn fuse_add(branch: Vec<IRNode>) -> Vec<IRNode> {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fuse_movements`
[INFO] [stdout]  --> src/transpiler/transforms/fuse_movements.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn fuse_movements(branch: Vec<IRNode>) -> Vec<IRNode> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul_loop_optimization`
[INFO] [stdout]   --> src/transpiler/transforms/mul_loop_optimization.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn mul_loop_optimization(branch: Vec<IRNode>) -> Vec<IRNode> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul_loop_optimization`
[INFO] [stdout]   --> src/transpiler/transforms/mul_loop_optimization.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn mul_loop_optimization(branch: Vec<IRNode>) -> Vec<IRNode> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.23s
[INFO] running `Command { std: "docker" "inspect" "32ff6bd28f29fb2956d2ad3412dfe31252f53cb2ab40edc549c3538fb3bac0f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32ff6bd28f29fb2956d2ad3412dfe31252f53cb2ab40edc549c3538fb3bac0f1", kill_on_drop: false }`
[INFO] [stdout] 32ff6bd28f29fb2956d2ad3412dfe31252f53cb2ab40edc549c3538fb3bac0f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 64cc41eeef3b63cb75716474ae46b5c3f3b6763d8cddebe423d9be88bebe0b5d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "64cc41eeef3b63cb75716474ae46b5c3f3b6763d8cddebe423d9be88bebe0b5d", kill_on_drop: false }`
[INFO] [stderr] warning: struct is never constructed: `Interpreter`
[INFO] [stderr]  --> src/interpreter/mod.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Interpreter {
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `run`
[INFO] [stderr]   --> src/interpreter/mod.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn run(&mut self, ast: &Vec<Node>) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `execute_instruction`
[INFO] [stderr]   --> src/interpreter/mod.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn execute_instruction(&mut self, node: &Node) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_events_hook`
[INFO] [stderr]   --> src/interpreter/mod.rs:62:12
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn add_events_hook<E: InterpreterEvents + 'static>(&mut self, hook: E) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `new`
[INFO] [stderr]   --> src/interpreter/mod.rs:67:8
[INFO] [stderr]    |
[INFO] [stderr] 67 | pub fn new() -> Interpreter {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_and_build_ast`
[INFO] [stderr]   --> src/parser/mod.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub fn parse_and_build_ast(source: &str) -> Result<Vec<Node>, pest::error::Error<Rule>> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `transpile`
[INFO] [stderr]   --> src/transpiler/mod.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub fn transpile(ast: Vec<Node>) -> String {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_source`
[INFO] [stderr]  --> src/utils/mod.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn read_source(path: String) -> String {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `write_file`
[INFO] [stderr]   --> src/utils/mod.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn write_file(path: String, contents: String) {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_byte`
[INFO] [stderr]   --> src/utils/mod.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn read_byte() -> Option<u8> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `overflow_add`
[INFO] [stderr]   --> src/utils/mod.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn overflow_add(lhs: u8, rhs: u8) -> u8 {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/utils/doubleagent.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new() -> DoubleAgent {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `defer_movements`
[INFO] [stderr]  --> src/transpiler/transforms/defer_movements.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn defer_movements(branch: Vec<IRNode>) -> Vec<IRNode> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fuse_add`
[INFO] [stderr]  --> src/transpiler/transforms/fuse_add.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn fuse_add(branch: Vec<IRNode>) -> Vec<IRNode> {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fuse_movements`
[INFO] [stderr]  --> src/transpiler/transforms/fuse_movements.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn fuse_movements(branch: Vec<IRNode>) -> Vec<IRNode> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `optimize_children`
[INFO] [stderr]  --> src/transpiler/transforms/mul_loop_optimization.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn optimize_children(children: &Vec<IRNode>) -> Option<Vec<IRNode>> {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mul_loop_optimization`
[INFO] [stderr]   --> src/transpiler/transforms/mul_loop_optimization.rs:55:8
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn mul_loop_optimization(branch: Vec<IRNode>) -> Vec<IRNode> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unroll_zero_loops`
[INFO] [stderr]  --> src/transpiler/transforms/unroll_zero_loops.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn unroll_zero_loops(branch: Vec<IRNode>) -> Vec<IRNode> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_events_hook`
[INFO] [stderr]   --> src/interpreter/mod.rs:62:12
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn add_events_hook<E: InterpreterEvents + 'static>(&mut self, hook: E) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `bfcc` (lib) generated 18 warnings
[INFO] [stderr] warning: `bfcc` (lib test) generated 9 warnings (8 duplicates)
[INFO] [stderr] warning: function is never used: `mul_loop_optimization`
[INFO] [stderr]   --> src/transpiler/transforms/mul_loop_optimization.rs:55:8
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn mul_loop_optimization(branch: Vec<IRNode>) -> Vec<IRNode> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `bfcc` (bin "bfcc" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bfcc-4a52bb8be1e54812)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test interpreter::tests::test_backward ... ok
[INFO] [stdout] test interpreter::tests::test_increment ... ok
[INFO] [stdout] test interpreter::tests::test_decrement ... ok
[INFO] [stdout] test interpreter::tests::test_forward ... ok
[INFO] [stdout] test interpreter::tests::test_loop ... ok
[INFO] [stdout] test transpiler::transforms::defer_movements::tests::test_defer ... ok
[INFO] [stdout] test transpiler::transforms::mul_loop_optimization::tests::test_bail_on_non_zero_accumulated_offset ... ok
[INFO] [stdout] test transpiler::transforms::mul_loop_optimization::tests::test_bail_on_pos_zero_not_minus_one ... ok
[INFO] [stdout] test transpiler::transforms::defer_movements::tests::test_defer_with_loop ... ok
[INFO] [stdout] test transpiler::transforms::mul_loop_optimization::tests::test_bail_on_negative_mul ... ok
[INFO] [stdout] test transpiler::transforms::mul_loop_optimization::tests::test_bail_on_non_add_or_move ... ok
[INFO] [stdout] test transpiler::transforms::mul_loop_optimization::tests::test_double_mul ... ok
[INFO] [stdout] test transpiler::transforms::unroll_zero_loops::tests::test_defer ... ok
[INFO] [stdout] test transpiler::transforms::mul_loop_optimization::tests::test_copy ... ok
[INFO] [stdout] test transpiler::transforms::mul_loop_optimization::tests::test_single_mul ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bfcc-34d52fe2daad47ba)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stderr]    Doc-tests bfcc
[INFO] [stdout] test transpiler::transforms::mul_loop_optimization::tests::test_bail_on_pos_zero_not_minus_one ... ok
[INFO] [stdout] test transpiler::transforms::mul_loop_optimization::tests::test_bail_on_negative_mul ... ok
[INFO] [stdout] test transpiler::transforms::mul_loop_optimization::tests::test_bail_on_non_zero_accumulated_offset ... ok
[INFO] [stdout] test interpreter::tests::test_forward ... ok
[INFO] [stdout] test interpreter::tests::test_loop ... ok
[INFO] [stdout] test interpreter::tests::test_backward ... ok
[INFO] [stdout] test transpiler::transforms::mul_loop_optimization::tests::test_copy ... ok
[INFO] [stdout] test transpiler::transforms::defer_movements::tests::test_defer ... ok
[INFO] [stdout] test interpreter::tests::test_decrement ... ok
[INFO] [stdout] test transpiler::transforms::mul_loop_optimization::tests::test_double_mul ... ok
[INFO] [stdout] test transpiler::transforms::mul_loop_optimization::tests::test_single_mul ... ok
[INFO] [stdout] test transpiler::transforms::defer_movements::tests::test_defer_with_loop ... ok
[INFO] [stdout] test interpreter::tests::test_increment ... ok
[INFO] [stdout] test transpiler::transforms::mul_loop_optimization::tests::test_bail_on_non_add_or_move ... ok
[INFO] [stdout] test transpiler::transforms::unroll_zero_loops::tests::test_defer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "64cc41eeef3b63cb75716474ae46b5c3f3b6763d8cddebe423d9be88bebe0b5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64cc41eeef3b63cb75716474ae46b5c3f3b6763d8cddebe423d9be88bebe0b5d", kill_on_drop: false }`
[INFO] [stdout] 64cc41eeef3b63cb75716474ae46b5c3f3b6763d8cddebe423d9be88bebe0b5d