[INFO] cloning repository https://github.com/ARACADERISE/mini-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ARACADERISE/mini-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FARACADERISE%2Fmini-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FARACADERISE%2Fmini-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fdf5710668e758daede1233eb6d2cf4f1e462af0
[INFO] testing ARACADERISE/mini-lang against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FARACADERISE%2Fmini-lang" "/workspace/builds/worker-99/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-99/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ARACADERISE/mini-lang on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ARACADERISE/mini-lang
[INFO] finished tweaking git repo https://github.com/ARACADERISE/mini-lang
[INFO] tweaked toml for git repo https://github.com/ARACADERISE/mini-lang written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] crate git repo https://github.com/ARACADERISE/mini-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3619779156f258bd4f364cb4aad3c3c29d67a2b765400bfd15445810a07340d6
[INFO] running `Command { std: "docker" "start" "-a" "3619779156f258bd4f364cb4aad3c3c29d67a2b765400bfd15445810a07340d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3619779156f258bd4f364cb4aad3c3c29d67a2b765400bfd15445810a07340d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3619779156f258bd4f364cb4aad3c3c29d67a2b765400bfd15445810a07340d6", kill_on_drop: false }`
[INFO] [stdout] 3619779156f258bd4f364cb4aad3c3c29d67a2b765400bfd15445810a07340d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b570b5abd3052b78dd1c138c9f6de12e95b0b793b4e2d3bcf277c9c885c39e84
[INFO] running `Command { std: "docker" "start" "-a" "b570b5abd3052b78dd1c138c9f6de12e95b0b793b4e2d3bcf277c9c885c39e84", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling jpg_decoder_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/imp.rs:166:23
[INFO] [stdout]     |
[INFO] [stdout] 166 |                     if(c == '"')
[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]   --> main.rs:41:56
[INFO] [stdout]    |
[INFO] [stdout] 41 | ...                   Ok(mut p) => {
[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 `Result` that must be used
[INFO] [stdout]   --> main.rs:54:29
[INFO] [stdout]    |
[INFO] [stdout] 54 | ...                   parser.AST.go_through();
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `varName` should have a snake case name
[INFO] [stdout]    --> src/imp.rs:264:15
[INFO] [stdout]     |
[INFO] [stdout] 264 |     fn no_var(varName: String) -> AstError
[INFO] [stdout]     |               ^^^^^^^ help: convert the identifier to snake case: `var_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/imp.rs:332:13
[INFO] [stdout]     |
[INFO] [stdout] 332 | /             match i {
[INFO] [stdout] 333 | |                 Type::VarName => self.i_variable(),
[INFO] [stdout] 334 | |                 Type::K_PRINT => self.i_print(),
[INFO] [stdout] 335 | |                 _ => return Err(AstError::no_var("".to_string())) // we shouldn't have a problem.
[INFO] [stdout] 336 | |             };
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `AST` should have a snake case name
[INFO] [stdout]   --> src/parser.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub AST: Ast
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case: `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `varName` should have a snake case name
[INFO] [stdout]   --> src/ast.rs:32:15
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn no_var(varName: String) -> AstError;
[INFO] [stdout]    |               ^^^^^^^ help: convert the identifier to snake case: `var_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.62s
[INFO] running `Command { std: "docker" "inspect" "b570b5abd3052b78dd1c138c9f6de12e95b0b793b4e2d3bcf277c9c885c39e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b570b5abd3052b78dd1c138c9f6de12e95b0b793b4e2d3bcf277c9c885c39e84", kill_on_drop: false }`
[INFO] [stdout] b570b5abd3052b78dd1c138c9f6de12e95b0b793b4e2d3bcf277c9c885c39e84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90eb52146a84dd845b5dc87527c9e4cfb6c809c88840f61cd7a683e3022451cf
[INFO] running `Command { std: "docker" "start" "-a" "90eb52146a84dd845b5dc87527c9e4cfb6c809c88840f61cd7a683e3022451cf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling jpg_decoder_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/imp.rs:166:23
[INFO] [stdout]     |
[INFO] [stdout] 166 |                     if(c == '"')
[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]   --> main.rs:41:56
[INFO] [stdout]    |
[INFO] [stdout] 41 | ...                   Ok(mut p) => {
[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 `Result` that must be used
[INFO] [stdout]   --> main.rs:54:29
[INFO] [stdout]    |
[INFO] [stdout] 54 | ...                   parser.AST.go_through();
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `varName` should have a snake case name
[INFO] [stdout]    --> src/imp.rs:264:15
[INFO] [stdout]     |
[INFO] [stdout] 264 |     fn no_var(varName: String) -> AstError
[INFO] [stdout]     |               ^^^^^^^ help: convert the identifier to snake case: `var_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/imp.rs:332:13
[INFO] [stdout]     |
[INFO] [stdout] 332 | /             match i {
[INFO] [stdout] 333 | |                 Type::VarName => self.i_variable(),
[INFO] [stdout] 334 | |                 Type::K_PRINT => self.i_print(),
[INFO] [stdout] 335 | |                 _ => return Err(AstError::no_var("".to_string())) // we shouldn't have a problem.
[INFO] [stdout] 336 | |             };
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `AST` should have a snake case name
[INFO] [stdout]   --> src/parser.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub AST: Ast
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case: `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `varName` should have a snake case name
[INFO] [stdout]   --> src/ast.rs:32:15
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn no_var(varName: String) -> AstError;
[INFO] [stdout]    |               ^^^^^^^ help: convert the identifier to snake case: `var_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 50.63s
[INFO] running `Command { std: "docker" "inspect" "90eb52146a84dd845b5dc87527c9e4cfb6c809c88840f61cd7a683e3022451cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90eb52146a84dd845b5dc87527c9e4cfb6c809c88840f61cd7a683e3022451cf", kill_on_drop: false }`
[INFO] [stdout] 90eb52146a84dd845b5dc87527c9e4cfb6c809c88840f61cd7a683e3022451cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4dd4ee8bb44ff75472343083a53a80f81017b1fcd405a9f50b9da9daddeb6be7
[INFO] running `Command { std: "docker" "start" "-a" "4dd4ee8bb44ff75472343083a53a80f81017b1fcd405a9f50b9da9daddeb6be7", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/imp.rs:166:23
[INFO] [stderr]     |
[INFO] [stderr] 166 |                     if(c == '"')
[INFO] [stderr]     |                       ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> main.rs:41:56
[INFO] [stderr]    |
[INFO] [stderr] 41 | ...                   Ok(mut p) => {
[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: unused `Result` that must be used
[INFO] [stderr]   --> main.rs:54:29
[INFO] [stderr]    |
[INFO] [stderr] 54 | ...                   parser.AST.go_through();
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable `varName` should have a snake case name
[INFO] [stderr]    --> src/imp.rs:264:15
[INFO] [stderr]     |
[INFO] [stderr] 264 |     fn no_var(varName: String) -> AstError
[INFO] [stderr]     |               ^^^^^^^ help: convert the identifier to snake case: `var_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/imp.rs:332:13
[INFO] [stderr]     |
[INFO] [stderr] 332 | /             match i {
[INFO] [stderr] 333 | |                 Type::VarName => self.i_variable(),
[INFO] [stderr] 334 | |                 Type::K_PRINT => self.i_print(),
[INFO] [stderr] 335 | |                 _ => return Err(AstError::no_var("".to_string())) // we shouldn't have a problem.
[INFO] [stderr] 336 | |             };
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `AST` should have a snake case name
[INFO] [stderr]   --> src/parser.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub AST: Ast
[INFO] [stderr]    |         ^^^ help: convert the identifier to snake case: `ast`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `varName` should have a snake case name
[INFO] [stderr]   --> src/ast.rs:32:15
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn no_var(varName: String) -> AstError;
[INFO] [stderr]    |               ^^^^^^^ help: convert the identifier to snake case: `var_name`
[INFO] [stderr] 
[INFO] [stderr] warning: `jpg_decoder_rust` (bin "jpg_decoder_rust" test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jpg_decoder_rust-3a278d22a52d1769)
[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" "4dd4ee8bb44ff75472343083a53a80f81017b1fcd405a9f50b9da9daddeb6be7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd4ee8bb44ff75472343083a53a80f81017b1fcd405a9f50b9da9daddeb6be7", kill_on_drop: false }`
[INFO] [stdout] 4dd4ee8bb44ff75472343083a53a80f81017b1fcd405a9f50b9da9daddeb6be7