[INFO] updating cached repository https://github.com/OisinA/zephyrus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ead3a73a3ca515dee6e4de0e57021bdb545e7b4
[INFO] testing OisinA/zephyrus against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOisinA%2Fzephyrus" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/OisinA/zephyrus on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/OisinA/zephyrus
[INFO] finished tweaking git repo https://github.com/OisinA/zephyrus
[INFO] tweaked toml for git repo https://github.com/OisinA/zephyrus written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/OisinA/zephyrus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2e9d15a0e7e490a9c17d9f37d3c0107401a923db996ef41d43d495f5d576550
[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" "f2e9d15a0e7e490a9c17d9f37d3c0107401a923db996ef41d43d495f5d576550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2e9d15a0e7e490a9c17d9f37d3c0107401a923db996ef41d43d495f5d576550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2e9d15a0e7e490a9c17d9f37d3c0107401a923db996ef41d43d495f5d576550", kill_on_drop: false }`
[INFO] [stdout] f2e9d15a0e7e490a9c17d9f37d3c0107401a923db996ef41d43d495f5d576550
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8502437fedf720af6ae64262bc45423041389c947b5852ec1ac27f2e227b3e2b
[INFO] running `Command { std: "docker" "start" "-a" "8502437fedf720af6ae64262bc45423041389c947b5852ec1ac27f2e227b3e2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling zephyrus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:22:48
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn parse(&mut self) -> Result<String, &Error> {
[INFO] [stdout]    |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]   --> src/parser.rs:86:21
[INFO] [stdout]    |
[INFO] [stdout] 86 |                     while true {
[INFO] [stdout]    |                     ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lexer.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             _ => Token::Illegal,
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable while-let pattern
[INFO] [stdout]   --> src/parser.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | /         while let s = self.cur_token.clone() {
[INFO] [stdout] 25 | |             if s == Token::EOF {
[INFO] [stdout] 26 | |                 break;
[INFO] [stdout] 27 | |             }
[INFO] [stdout] 28 | |             output.push_str(&self.parse_statement(s));
[INFO] [stdout] 29 | |             self.next_token()
[INFO] [stdout] 30 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parser.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(mut lexer: Lexer<'_>) -> 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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `zephyrus::token::Token`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use zephyrus::token::Token;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/main.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 |     match(file.write_all(output.as_bytes())) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/main.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         Err(err) => panic!("couldn't create file"),
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/main.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         Err(err) => panic!("coudln't write to file"),
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut lex = lexer::Lexer::new(&contents);
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "8502437fedf720af6ae64262bc45423041389c947b5852ec1ac27f2e227b3e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8502437fedf720af6ae64262bc45423041389c947b5852ec1ac27f2e227b3e2b", kill_on_drop: false }`
[INFO] [stdout] 8502437fedf720af6ae64262bc45423041389c947b5852ec1ac27f2e227b3e2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9a94bef869ae6b4daad52eb93191915b06aae83671fd67aee2d641972787e44
[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" "d9a94bef869ae6b4daad52eb93191915b06aae83671fd67aee2d641972787e44", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:22:48
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn parse(&mut self) -> Result<String, &Error> {
[INFO] [stdout]    |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zephyrus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]   --> src/parser.rs:86:21
[INFO] [stdout]    |
[INFO] [stdout] 86 |                     while true {
[INFO] [stdout]    |                     ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lexer.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             _ => Token::Illegal,
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable while-let pattern
[INFO] [stdout]   --> src/parser.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | /         while let s = self.cur_token.clone() {
[INFO] [stdout] 25 | |             if s == Token::EOF {
[INFO] [stdout] 26 | |                 break;
[INFO] [stdout] 27 | |             }
[INFO] [stdout] 28 | |             output.push_str(&self.parse_statement(s));
[INFO] [stdout] 29 | |             self.next_token()
[INFO] [stdout] 30 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parser.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(mut lexer: Lexer<'_>) -> 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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:22:48
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn parse(&mut self) -> Result<String, &Error> {
[INFO] [stdout]    |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]   --> src/parser.rs:86:21
[INFO] [stdout]    |
[INFO] [stdout] 86 |                     while true {
[INFO] [stdout]    |                     ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lexer.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             _ => Token::Illegal,
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable while-let pattern
[INFO] [stdout]   --> src/parser.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | /         while let s = self.cur_token.clone() {
[INFO] [stdout] 25 | |             if s == Token::EOF {
[INFO] [stdout] 26 | |                 break;
[INFO] [stdout] 27 | |             }
[INFO] [stdout] 28 | |             output.push_str(&self.parse_statement(s));
[INFO] [stdout] 29 | |             self.next_token()
[INFO] [stdout] 30 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `zephyrus::token::Token`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use zephyrus::token::Token;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/main.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 |     match(file.write_all(output.as_bytes())) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parser.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(mut lexer: Lexer<'_>) -> 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: unused variable: `err`
[INFO] [stdout]   --> src/main.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         Err(err) => panic!("couldn't create file"),
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/main.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         Err(err) => panic!("coudln't write to file"),
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut lex = lexer::Lexer::new(&contents);
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "d9a94bef869ae6b4daad52eb93191915b06aae83671fd67aee2d641972787e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9a94bef869ae6b4daad52eb93191915b06aae83671fd67aee2d641972787e44", kill_on_drop: false }`
[INFO] [stdout] d9a94bef869ae6b4daad52eb93191915b06aae83671fd67aee2d641972787e44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6f38256087971813f9012ca3e4e67b7ebcdea7f4ad75ab02d74bcefd0aabbcb7
[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" "6f38256087971813f9012ca3e4e67b7ebcdea7f4ad75ab02d74bcefd0aabbcb7", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:22:48
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn parse(&mut self) -> Result<String, &Error> {
[INFO] [stderr]    |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:22:48
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn parse(&mut self) -> Result<String, &Error> {
[INFO] [stderr]    |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: denote infinite loops with `loop { ... }`
[INFO] [stderr]   --> src/parser.rs:86:21
[INFO] [stderr]    |
[INFO] [stderr] 86 |                     while true {
[INFO] [stderr]    |                     ^^^^^^^^^^ help: use `loop`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(while_true)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: denote infinite loops with `loop { ... }`
[INFO] [stderr]   --> src/parser.rs:86:21
[INFO] [stderr]    |
[INFO] [stderr] 86 |                     while true {
[INFO] [stderr]    |                     ^^^^^^^^^^ help: use `loop`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(while_true)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lexer.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 |             _ => Token::Illegal,
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lexer.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 |             _ => Token::Illegal,
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable while-let pattern
[INFO] [stderr]   --> src/parser.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 | /         while let s = self.cur_token.clone() {
[INFO] [stderr] 25 | |             if s == Token::EOF {
[INFO] [stderr] 26 | |                 break;
[INFO] [stderr] 27 | |             }
[INFO] [stderr] 28 | |             output.push_str(&self.parse_statement(s));
[INFO] [stderr] 29 | |             self.next_token()
[INFO] [stderr] 30 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable while-let pattern
[INFO] [stderr]   --> src/parser.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 | /         while let s = self.cur_token.clone() {
[INFO] [stderr] 25 | |             if s == Token::EOF {
[INFO] [stderr] 26 | |                 break;
[INFO] [stderr] 27 | |             }
[INFO] [stderr] 28 | |             output.push_str(&self.parse_statement(s));
[INFO] [stderr] 29 | |             self.next_token()
[INFO] [stderr] 30 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn new(mut lexer: Lexer<'_>) -> 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: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn new(mut lexer: Lexer<'_>) -> 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: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `zephyrus::token::Token`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use zephyrus::token::Token;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stderr]   --> src/main.rs:38:10
[INFO] [stderr]    |
[INFO] [stderr] 38 |     match(file.write_all(output.as_bytes())) {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/main.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |         Err(err) => panic!("couldn't create file"),
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/main.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |         Err(err) => panic!("coudln't write to file"),
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut lex = lexer::Lexer::new(&contents);
[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: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zephyrus-9326c607bdc7c3a0
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zephyrus-aaa0c9a871f1f0b4
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zephyrus
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6f38256087971813f9012ca3e4e67b7ebcdea7f4ad75ab02d74bcefd0aabbcb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f38256087971813f9012ca3e4e67b7ebcdea7f4ad75ab02d74bcefd0aabbcb7", kill_on_drop: false }`
[INFO] [stdout] 6f38256087971813f9012ca3e4e67b7ebcdea7f4ad75ab02d74bcefd0aabbcb7