[INFO] cloning repository https://github.com/sdmcode/i_v
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sdmcode/i_v" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdmcode%2Fi_v", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdmcode%2Fi_v'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa8d4e6cdb581bf2efdd11c8e86e84f3051f9ac3
[INFO] testing sdmcode/i_v against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdmcode%2Fi_v" "/workspace/builds/worker-114/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-114/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sdmcode/i_v on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sdmcode/i_v
[INFO] finished tweaking git repo https://github.com/sdmcode/i_v
[INFO] tweaked toml for git repo https://github.com/sdmcode/i_v written to /workspace/builds/worker-114/source/Cargo.toml
[INFO] crate git repo https://github.com/sdmcode/i_v already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e614c1b1328a1aab19a39dd893888da936fb5d670c4d860bfbb32a473acde25
[INFO] running `Command { std: "docker" "start" "-a" "9e614c1b1328a1aab19a39dd893888da936fb5d670c4d860bfbb32a473acde25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e614c1b1328a1aab19a39dd893888da936fb5d670c4d860bfbb32a473acde25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e614c1b1328a1aab19a39dd893888da936fb5d670c4d860bfbb32a473acde25", kill_on_drop: false }`
[INFO] [stdout] 9e614c1b1328a1aab19a39dd893888da936fb5d670c4d860bfbb32a473acde25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5f9c6385c40f38ef1b932579bab59c21c8dd467679bfa88cbd0dcf820e66c0b
[INFO] running `Command { std: "docker" "start" "-a" "a5f9c6385c40f38ef1b932579bab59c21c8dd467679bfa88cbd0dcf820e66c0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling i_v v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `compiler::parser::ParseResult`
[INFO] [stdout]   --> src/repl/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use compiler::parser::ParseResult;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/compiler/parser.rs:540:9
[INFO] [stdout]     |
[INFO] [stdout] 493 | /         loop {
[INFO] [stdout] 494 | |
[INFO] [stdout] 495 | |             match cmp.clone() {
[INFO] [stdout] 496 | |                 ParseResult::Success(lr) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 538 | |             }
[INFO] [stdout] 539 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 540 |           return cmp;
[INFO] [stdout]     |           ^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/compiler/parser.rs:828:9
[INFO] [stdout]     |
[INFO] [stdout] 787 | /         match cur_token {
[INFO] [stdout] 788 | |             Token::Print => return self.parse_print_expression(),
[INFO] [stdout] 789 | |             Token::LeftBrace => {
[INFO] [stdout] 790 | |                 let mut exs = vec!();
[INFO] [stdout] ...   |
[INFO] [stdout] 825 | |             _ => return self.parse_statement()
[INFO] [stdout] 826 | |         }
[INFO] [stdout]     | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 827 | 
[INFO] [stdout] 828 |           return ParseResult::Failed("lol".to_string())
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/compiler/parser.rs:562:81
[INFO] [stdout]     |
[INFO] [stdout] 562 | ...                   ExpressionType::LiteralExpression(name, v) => {
[INFO] [stdout]     |                                                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ident` is never read
[INFO] [stdout]    --> src/compiler/parser.rs:597:17
[INFO] [stdout]     |
[INFO] [stdout] 597 |         let mut ident = String::new();
[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: value assigned to `name` is never read
[INFO] [stdout]    --> src/compiler/parser.rs:688:25
[INFO] [stdout]     |
[INFO] [stdout] 688 |                 let mut name = String::new();
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/compiler/parser.rs:834:34
[INFO] [stdout]     |
[INFO] [stdout] 834 |             ParseResult::Success(s) => {
[INFO] [stdout]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/compiler/parser.rs:271:16
[INFO] [stdout]     |
[INFO] [stdout] 271 |     pub fn new(mut toks: Vec<Token>) -> Parser {
[INFO] [stdout]     |                ----^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `skip`
[INFO] [stdout]    --> src/compiler/mod.rs:139:8
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn skip(&mut self, num: usize) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `compiler::parser::ParseResult`
[INFO] [stdout]   --> src/repl/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use compiler::parser::ParseResult;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/compiler/parser.rs:540:9
[INFO] [stdout]     |
[INFO] [stdout] 493 | /         loop {
[INFO] [stdout] 494 | |
[INFO] [stdout] 495 | |             match cmp.clone() {
[INFO] [stdout] 496 | |                 ParseResult::Success(lr) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 538 | |             }
[INFO] [stdout] 539 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 540 |           return cmp;
[INFO] [stdout]     |           ^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/compiler/parser.rs:828:9
[INFO] [stdout]     |
[INFO] [stdout] 787 | /         match cur_token {
[INFO] [stdout] 788 | |             Token::Print => return self.parse_print_expression(),
[INFO] [stdout] 789 | |             Token::LeftBrace => {
[INFO] [stdout] 790 | |                 let mut exs = vec!();
[INFO] [stdout] ...   |
[INFO] [stdout] 825 | |             _ => return self.parse_statement()
[INFO] [stdout] 826 | |         }
[INFO] [stdout]     | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 827 | 
[INFO] [stdout] 828 |           return ParseResult::Failed("lol".to_string())
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/compiler/parser.rs:562:81
[INFO] [stdout]     |
[INFO] [stdout] 562 | ...                   ExpressionType::LiteralExpression(name, v) => {
[INFO] [stdout]     |                                                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ident` is never read
[INFO] [stdout]    --> src/compiler/parser.rs:597:17
[INFO] [stdout]     |
[INFO] [stdout] 597 |         let mut ident = String::new();
[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: value assigned to `name` is never read
[INFO] [stdout]    --> src/compiler/parser.rs:688:25
[INFO] [stdout]     |
[INFO] [stdout] 688 |                 let mut name = String::new();
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/compiler/parser.rs:834:34
[INFO] [stdout]     |
[INFO] [stdout] 834 |             ParseResult::Success(s) => {
[INFO] [stdout]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/compiler/parser.rs:271:16
[INFO] [stdout]     |
[INFO] [stdout] 271 |     pub fn new(mut toks: Vec<Token>) -> Parser {
[INFO] [stdout]     |                ----^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `skip`
[INFO] [stdout]    --> src/compiler/mod.rs:139:8
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn skip(&mut self, num: usize) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.75s
[INFO] running `Command { std: "docker" "inspect" "a5f9c6385c40f38ef1b932579bab59c21c8dd467679bfa88cbd0dcf820e66c0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5f9c6385c40f38ef1b932579bab59c21c8dd467679bfa88cbd0dcf820e66c0b", kill_on_drop: false }`
[INFO] [stdout] a5f9c6385c40f38ef1b932579bab59c21c8dd467679bfa88cbd0dcf820e66c0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 152b60fee0bb3ede42272bd3bd47310c50cacbaf487f9804445b5d08c8137dd1
[INFO] running `Command { std: "docker" "start" "-a" "152b60fee0bb3ede42272bd3bd47310c50cacbaf487f9804445b5d08c8137dd1", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `compiler::parser::ParseResult`
[INFO] [stdout]   --> src/repl/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use compiler::parser::ParseResult;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling i_v v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/compiler/parser.rs:540:9
[INFO] [stdout]     |
[INFO] [stdout] 493 | /         loop {
[INFO] [stdout] 494 | |
[INFO] [stdout] 495 | |             match cmp.clone() {
[INFO] [stdout] 496 | |                 ParseResult::Success(lr) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 538 | |             }
[INFO] [stdout] 539 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 540 |           return cmp;
[INFO] [stdout]     |           ^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/compiler/parser.rs:828:9
[INFO] [stdout]     |
[INFO] [stdout] 787 | /         match cur_token {
[INFO] [stdout] 788 | |             Token::Print => return self.parse_print_expression(),
[INFO] [stdout] 789 | |             Token::LeftBrace => {
[INFO] [stdout] 790 | |                 let mut exs = vec!();
[INFO] [stdout] ...   |
[INFO] [stdout] 825 | |             _ => return self.parse_statement()
[INFO] [stdout] 826 | |         }
[INFO] [stdout]     | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 827 | 
[INFO] [stdout] 828 |           return ParseResult::Failed("lol".to_string())
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/compiler/parser.rs:562:81
[INFO] [stdout]     |
[INFO] [stdout] 562 | ...                   ExpressionType::LiteralExpression(name, v) => {
[INFO] [stdout]     |                                                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ident` is never read
[INFO] [stdout]    --> src/compiler/parser.rs:597:17
[INFO] [stdout]     |
[INFO] [stdout] 597 |         let mut ident = String::new();
[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: value assigned to `name` is never read
[INFO] [stdout]    --> src/compiler/parser.rs:688:25
[INFO] [stdout]     |
[INFO] [stdout] 688 |                 let mut name = String::new();
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/compiler/parser.rs:834:34
[INFO] [stdout]     |
[INFO] [stdout] 834 |             ParseResult::Success(s) => {
[INFO] [stdout]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/compiler/parser.rs:271:16
[INFO] [stdout]     |
[INFO] [stdout] 271 |     pub fn new(mut toks: Vec<Token>) -> Parser {
[INFO] [stdout]     |                ----^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `skip`
[INFO] [stdout]    --> src/compiler/mod.rs:139:8
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn skip(&mut self, num: usize) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `compiler::parser::ParseResult`
[INFO] [stdout]   --> src/repl/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use compiler::parser::ParseResult;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `compiler::parser::ParseResult`
[INFO] [stdout]   --> src/repl/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use compiler::parser::ParseResult;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/compiler/parser.rs:540:9
[INFO] [stdout]     |
[INFO] [stdout] 493 | /         loop {
[INFO] [stdout] 494 | |
[INFO] [stdout] 495 | |             match cmp.clone() {
[INFO] [stdout] 496 | |                 ParseResult::Success(lr) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 538 | |             }
[INFO] [stdout] 539 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 540 |           return cmp;
[INFO] [stdout]     |           ^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/compiler/parser.rs:828:9
[INFO] [stdout]     |
[INFO] [stdout] 787 | /         match cur_token {
[INFO] [stdout] 788 | |             Token::Print => return self.parse_print_expression(),
[INFO] [stdout] 789 | |             Token::LeftBrace => {
[INFO] [stdout] 790 | |                 let mut exs = vec!();
[INFO] [stdout] ...   |
[INFO] [stdout] 825 | |             _ => return self.parse_statement()
[INFO] [stdout] 826 | |         }
[INFO] [stdout]     | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 827 | 
[INFO] [stdout] 828 |           return ParseResult::Failed("lol".to_string())
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/compiler/parser.rs:540:9
[INFO] [stdout]     |
[INFO] [stdout] 493 | /         loop {
[INFO] [stdout] 494 | |
[INFO] [stdout] 495 | |             match cmp.clone() {
[INFO] [stdout] 496 | |                 ParseResult::Success(lr) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 538 | |             }
[INFO] [stdout] 539 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 540 |           return cmp;
[INFO] [stdout]     |           ^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/compiler/parser.rs:828:9
[INFO] [stdout]     |
[INFO] [stdout] 787 | /         match cur_token {
[INFO] [stdout] 788 | |             Token::Print => return self.parse_print_expression(),
[INFO] [stdout] 789 | |             Token::LeftBrace => {
[INFO] [stdout] 790 | |                 let mut exs = vec!();
[INFO] [stdout] ...   |
[INFO] [stdout] 825 | |             _ => return self.parse_statement()
[INFO] [stdout] 826 | |         }
[INFO] [stdout]     | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 827 | 
[INFO] [stdout] 828 |           return ParseResult::Failed("lol".to_string())
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/compiler/parser.rs:562:81
[INFO] [stdout]     |
[INFO] [stdout] 562 | ...                   ExpressionType::LiteralExpression(name, v) => {
[INFO] [stdout]     |                                                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ident` is never read
[INFO] [stdout]    --> src/compiler/parser.rs:597:17
[INFO] [stdout]     |
[INFO] [stdout] 597 |         let mut ident = String::new();
[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: value assigned to `name` is never read
[INFO] [stdout]    --> src/compiler/parser.rs:688:25
[INFO] [stdout]     |
[INFO] [stdout] 688 |                 let mut name = String::new();
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/compiler/parser.rs:834:34
[INFO] [stdout]     |
[INFO] [stdout] 834 |             ParseResult::Success(s) => {
[INFO] [stdout]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/compiler/parser.rs:562:81
[INFO] [stdout]     |
[INFO] [stdout] 562 | ...                   ExpressionType::LiteralExpression(name, v) => {
[INFO] [stdout]     |                                                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ident` is never read
[INFO] [stdout]    --> src/compiler/parser.rs:597:17
[INFO] [stdout]     |
[INFO] [stdout] 597 |         let mut ident = String::new();
[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: value assigned to `name` is never read
[INFO] [stdout]    --> src/compiler/parser.rs:688:25
[INFO] [stdout]     |
[INFO] [stdout] 688 |                 let mut name = String::new();
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/compiler/parser.rs:834:34
[INFO] [stdout]     |
[INFO] [stdout] 834 |             ParseResult::Success(s) => {
[INFO] [stdout]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/compiler/parser.rs:271:16
[INFO] [stdout]     |
[INFO] [stdout] 271 |     pub fn new(mut toks: Vec<Token>) -> Parser {
[INFO] [stdout]     |                ----^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/compiler/parser.rs:271:16
[INFO] [stdout]     |
[INFO] [stdout] 271 |     pub fn new(mut toks: Vec<Token>) -> Parser {
[INFO] [stdout]     |                ----^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "152b60fee0bb3ede42272bd3bd47310c50cacbaf487f9804445b5d08c8137dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "152b60fee0bb3ede42272bd3bd47310c50cacbaf487f9804445b5d08c8137dd1", kill_on_drop: false }`
[INFO] [stdout] 152b60fee0bb3ede42272bd3bd47310c50cacbaf487f9804445b5d08c8137dd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4a410711f00e8c2fb5e917638069706c99b3503a74bbab4096ae6e91e5d8ffe7
[INFO] running `Command { std: "docker" "start" "-a" "4a410711f00e8c2fb5e917638069706c99b3503a74bbab4096ae6e91e5d8ffe7", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `compiler::parser::ParseResult`
[INFO] [stderr]   --> src/repl/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use compiler::parser::ParseResult;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/compiler/parser.rs:540:9
[INFO] [stderr]     |
[INFO] [stderr] 493 | /         loop {
[INFO] [stderr] 494 | |
[INFO] [stderr] 495 | |             match cmp.clone() {
[INFO] [stderr] 496 | |                 ParseResult::Success(lr) => {
[INFO] [stderr] ...   |
[INFO] [stderr] 538 | |             }
[INFO] [stderr] 539 | |         }
[INFO] [stderr]     | |_________- any code following this expression is unreachable
[INFO] [stderr] 540 |           return cmp;
[INFO] [stderr]     |           ^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/compiler/parser.rs:828:9
[INFO] [stderr]     |
[INFO] [stderr] 787 | /         match cur_token {
[INFO] [stderr] 788 | |             Token::Print => return self.parse_print_expression(),
[INFO] [stderr] 789 | |             Token::LeftBrace => {
[INFO] [stderr] 790 | |                 let mut exs = vec!();
[INFO] [stderr] ...   |
[INFO] [stderr] 825 | |             _ => return self.parse_statement()
[INFO] [stderr] 826 | |         }
[INFO] [stderr]     | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stderr] 827 | 
[INFO] [stderr] 828 |           return ParseResult::Failed("lol".to_string())
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/compiler/parser.rs:562:81
[INFO] [stderr]     |
[INFO] [stderr] 562 | ...                   ExpressionType::LiteralExpression(name, v) => {
[INFO] [stderr]     |                                                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `ident` is never read
[INFO] [stderr]    --> src/compiler/parser.rs:597:17
[INFO] [stderr]     |
[INFO] [stderr] 597 |         let mut ident = String::new();
[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: value assigned to `name` is never read
[INFO] [stderr]    --> src/compiler/parser.rs:688:25
[INFO] [stderr]     |
[INFO] [stderr] 688 |                 let mut name = String::new();
[INFO] [stderr]     |                         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/compiler/parser.rs:834:34
[INFO] [stderr]     |
[INFO] [stderr] 834 |             ParseResult::Success(s) => {
[INFO] [stderr]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/compiler/parser.rs:271:16
[INFO] [stderr]     |
[INFO] [stderr] 271 |     pub fn new(mut toks: Vec<Token>) -> Parser {
[INFO] [stderr]     |                ----^^^^
[INFO] [stderr]     |                |
[INFO] [stderr]     |                help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `skip`
[INFO] [stderr]    --> src/compiler/mod.rs:139:8
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fn skip(&mut self, num: usize) {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `i_v` (lib) generated 9 warnings
[INFO] [stderr] warning: `i_v` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr] warning: `i_v` (bin "i_v" test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/i_v-af86a9b32e46e45a)
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test compiler::tests::test_peek_alpha ... ok
[INFO] [stdout] test compiler::tests::test_peek_char ... ok
[INFO] [stdout] test compiler::tests::test_peek_match ... ok
[INFO] [stdout] test compiler::tests::test_peek_number ... ok
[INFO] [stdout] test compiler::tests::test_read_char ... ok
[INFO] [stdout] test compiler::tests::test_skip_whitespace ... ok
[INFO] [stdout] test compiler::token::test_lookup ... ok
[INFO] [stdout] test instruction::tests::test_create_hlt ... ok
[INFO] [stdout] test instruction::tests::test_create_instruction ... ok
[INFO] [stdout] test instruction::tests::test_instruction_from_string ... ok
[INFO] [stdout] test vm::tests::test_create_vm ... ok
[INFO] [stdout] test vm::tests::test_opcode_add ... ok
[INFO] [stdout] test vm::tests::test_opcode_aloc ... ok
[INFO] [stdout] test vm::tests::test_opcode_div ... ok
[INFO] [stdout] test vm::tests::test_opcode_eq ... ok
[INFO] [stdout] test vm::tests::test_opcode_gt ... ok
[INFO] [stdout] test vm::tests::test_opcode_gte ... ok
[INFO] [stdout] test vm::tests::test_opcode_hlt ... ok
[INFO] [stdout] test vm::tests::test_opcode_igl ... ok
[INFO] [stdout] test vm::tests::test_opcode_jeq ... ok
[INFO] [stdout] test vm::tests::test_opcode_jmpb ... ok
[INFO] [stdout] test vm::tests::test_opcode_jne ... ok
[INFO] [stdout] test vm::tests::test_opcode_load ... ok
[INFO] [stdout] test vm::tests::test_opcode_jmpf ... ok
[INFO] [stdout] test vm::tests::test_opcode_lt ... ok
[INFO] [stdout] test vm::tests::test_opcode_lte ... ok
[INFO] [stdout] test vm::tests::test_opcode_mul ... ok
[INFO] [stdout] test vm::tests::test_opcode_neq ... ok
[INFO] [stdout] test vm::tests::test_opcode_nop ... ok
[INFO] [stdout] test vm::tests::test_opcode_sub ... ok
[INFO] [stdout] test vm::tests::test_program ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/i_v-bad5f21f82ef0274)
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test compiler::tests::test_peek_alpha ... ok
[INFO] [stdout] test compiler::tests::test_peek_char ... ok
[INFO] [stdout] test compiler::tests::test_peek_match ... ok
[INFO] [stdout] test compiler::tests::test_peek_number ... ok
[INFO] [stdout] test compiler::tests::test_skip_whitespace ... ok
[INFO] [stdout] test compiler::token::test_lookup ... ok
[INFO] [stdout] test compiler::tests::test_read_char ... ok
[INFO] [stdout] test instruction::tests::test_create_hlt ... ok
[INFO] [stdout] test instruction::tests::test_create_instruction ... ok
[INFO] [stdout] test instruction::tests::test_instruction_from_string ... ok
[INFO] [stdout] test vm::tests::test_create_vm ... ok
[INFO] [stdout] test vm::tests::test_opcode_add ... ok
[INFO] [stdout] test vm::tests::test_opcode_aloc ... ok
[INFO] [stdout] test vm::tests::test_opcode_div ... ok
[INFO] [stdout] test vm::tests::test_opcode_eq ... ok
[INFO] [stdout] test vm::tests::test_opcode_gt ... ok
[INFO] [stdout] test vm::tests::test_opcode_gte ... ok
[INFO] [stdout] test vm::tests::test_opcode_hlt ... ok
[INFO] [stdout] test vm::tests::test_opcode_igl ... ok
[INFO] [stdout] test vm::tests::test_opcode_jeq ... ok
[INFO] [stdout] test vm::tests::test_opcode_jmpb ... ok
[INFO] [stdout] test vm::tests::test_opcode_jmpf ... ok
[INFO] [stdout] test vm::tests::test_opcode_jne ... ok
[INFO] [stdout] test vm::tests::test_opcode_load ... ok
[INFO] [stdout] test vm::tests::test_opcode_lt ... ok
[INFO] [stdout] test vm::tests::test_opcode_lte ... ok
[INFO] [stdout] test vm::tests::test_opcode_mul ... ok
[INFO] [stdout] test vm::tests::test_opcode_neq ... ok
[INFO] [stdout] test vm::tests::test_opcode_nop ... ok
[INFO] [stdout] test vm::tests::test_opcode_sub ... ok
[INFO] [stdout] test vm::tests::test_program ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests i_v
[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" "4a410711f00e8c2fb5e917638069706c99b3503a74bbab4096ae6e91e5d8ffe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a410711f00e8c2fb5e917638069706c99b3503a74bbab4096ae6e91e5d8ffe7", kill_on_drop: false }`
[INFO] [stdout] 4a410711f00e8c2fb5e917638069706c99b3503a74bbab4096ae6e91e5d8ffe7