[INFO] cloning repository https://github.com/Karl-Han/CCinRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Karl-Han/CCinRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarl-Han%2FCCinRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarl-Han%2FCCinRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef41b03e72512c1c788c086ff4f0ad64de68e12a
[INFO] testing Karl-Han/CCinRust against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarl-Han%2FCCinRust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Karl-Han/CCinRust on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Karl-Han/CCinRust
[INFO] finished tweaking git repo https://github.com/Karl-Han/CCinRust
[INFO] tweaked toml for git repo https://github.com/Karl-Han/CCinRust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Karl-Han/CCinRust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", 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] a3f87ed670dcd2aea480190324b86ad497462da9773f18a0e535e1663c3b6cab
[INFO] running `Command { std: "docker" "start" "-a" "a3f87ed670dcd2aea480190324b86ad497462da9773f18a0e535e1663c3b6cab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3f87ed670dcd2aea480190324b86ad497462da9773f18a0e535e1663c3b6cab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3f87ed670dcd2aea480190324b86ad497462da9773f18a0e535e1663c3b6cab", kill_on_drop: false }`
[INFO] [stdout] a3f87ed670dcd2aea480190324b86ad497462da9773f18a0e535e1663c3b6cab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1465bbdcd5d6bea48a8a449dc2627312e2e5e292ea8cf439f8de7a76ad0ea14
[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" "a1465bbdcd5d6bea48a8a449dc2627312e2e5e292ea8cf439f8de7a76ad0ea14", kill_on_drop: false }`
[INFO] [stderr]    Compiling Compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `symbolError`
[INFO] [stdout]    --> src/lib.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn from(symbolError: SymbolError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbolError`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keywordError`
[INFO] [stdout]    --> src/lib.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn from(keywordError: KeywordError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keywordError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Compiler` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `compiler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `symbolError` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn from(symbolError: SymbolError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `symbol_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `keywordError` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn from(keywordError: KeywordError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `keyword_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `symbolError`
[INFO] [stdout]    --> src/lib.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn from(symbolError: SymbolError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbolError`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keywordError`
[INFO] [stdout]    --> src/lib.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn from(keywordError: KeywordError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keywordError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Compiler` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `compiler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `symbolError` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn from(symbolError: SymbolError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `symbol_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `keywordError` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn from(keywordError: KeywordError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `keyword_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "a1465bbdcd5d6bea48a8a449dc2627312e2e5e292ea8cf439f8de7a76ad0ea14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1465bbdcd5d6bea48a8a449dc2627312e2e5e292ea8cf439f8de7a76ad0ea14", kill_on_drop: false }`
[INFO] [stdout] a1465bbdcd5d6bea48a8a449dc2627312e2e5e292ea8cf439f8de7a76ad0ea14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cc4f97e9d3643bbed772e0845bebe726f9c42895135576ecfe4998dd6554dc8
[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" "7cc4f97e9d3643bbed772e0845bebe726f9c42895135576ecfe4998dd6554dc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling Compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `symbolError`
[INFO] [stdout]    --> src/lib.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn from(symbolError: SymbolError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbolError`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keywordError`
[INFO] [stdout]    --> src/lib.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn from(keywordError: KeywordError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keywordError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Compiler` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `compiler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `symbolError` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn from(symbolError: SymbolError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `symbol_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `keywordError` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn from(keywordError: KeywordError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `keyword_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `symbolError`
[INFO] [stdout]    --> src/lib.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn from(symbolError: SymbolError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbolError`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keywordError`
[INFO] [stdout]    --> src/lib.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn from(keywordError: KeywordError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keywordError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `symbolError`
[INFO] [stdout]    --> src/lib.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn from(symbolError: SymbolError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbolError`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keywordError`
[INFO] [stdout]    --> src/lib.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn from(keywordError: KeywordError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keywordError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Compiler` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `compiler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `symbolError` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn from(symbolError: SymbolError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `symbol_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `keywordError` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn from(keywordError: KeywordError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `keyword_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Compiler` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `compiler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `symbolError` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn from(symbolError: SymbolError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `symbol_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `keywordError` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn from(keywordError: KeywordError) -> Self {
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `keyword_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7cc4f97e9d3643bbed772e0845bebe726f9c42895135576ecfe4998dd6554dc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cc4f97e9d3643bbed772e0845bebe726f9c42895135576ecfe4998dd6554dc8", kill_on_drop: false }`
[INFO] [stdout] 7cc4f97e9d3643bbed772e0845bebe726f9c42895135576ecfe4998dd6554dc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", 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] 91629dd6707f1e7e59c52f11679f3284170c27c4675c20a7946f491a8f7a23be
[INFO] running `Command { std: "docker" "start" "-a" "91629dd6707f1e7e59c52f11679f3284170c27c4675c20a7946f491a8f7a23be", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `symbolError`
[INFO] [stderr]    --> src/lib.rs:209:13
[INFO] [stderr]     |
[INFO] [stderr] 209 |     fn from(symbolError: SymbolError) -> Self {
[INFO] [stderr]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbolError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `keywordError`
[INFO] [stderr]    --> src/lib.rs:215:13
[INFO] [stderr]     |
[INFO] [stderr] 215 |     fn from(keywordError: KeywordError) -> Self {
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keywordError`
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Compiler` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `compiler`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `symbolError` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:209:13
[INFO] [stderr]     |
[INFO] [stderr] 209 |     fn from(symbolError: SymbolError) -> Self {
[INFO] [stderr]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `symbol_error`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `keywordError` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:215:13
[INFO] [stderr]     |
[INFO] [stderr] 215 |     fn from(keywordError: KeywordError) -> Self {
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `keyword_error`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `symbolError`
[INFO] [stderr]    --> src/lib.rs:209:13
[INFO] [stderr]     |
[INFO] [stderr] 209 |     fn from(symbolError: SymbolError) -> Self {
[INFO] [stderr]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbolError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `keywordError`
[INFO] [stderr]    --> src/lib.rs:215:13
[INFO] [stderr]     |
[INFO] [stderr] 215 |     fn from(keywordError: KeywordError) -> Self {
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keywordError`
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Compiler` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `compiler`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `symbolError`
[INFO] [stderr]    --> src/lib.rs:209:13
[INFO] [stderr]     |
[INFO] [stderr] 209 |     fn from(symbolError: SymbolError) -> Self {
[INFO] [stderr]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbolError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `keywordError`
[INFO] [stderr]    --> src/lib.rs:215:13
[INFO] [stderr]     |
[INFO] [stderr] 215 |     fn from(keywordError: KeywordError) -> Self {
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keywordError`
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Compiler` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `compiler`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `symbolError` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:209:13
[INFO] [stderr]     |
[INFO] [stderr] 209 |     fn from(symbolError: SymbolError) -> Self {
[INFO] [stderr]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `symbol_error`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `keywordError` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:215:13
[INFO] [stderr]     |
[INFO] [stderr] 215 |     fn from(keywordError: KeywordError) -> Self {
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `keyword_error`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable `symbolError` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:209:13
[INFO] [stderr]     |
[INFO] [stderr] 209 |     fn from(symbolError: SymbolError) -> Self {
[INFO] [stderr]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `symbol_error`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `keywordError` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:215:13
[INFO] [stderr]     |
[INFO] [stderr] 215 |     fn from(keywordError: KeywordError) -> Self {
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `keyword_error`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/Compiler-ad9b844ae4ff15a8
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/Compiler-92285c885892c58b
[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] [stderr]    Doc-tests Compiler
[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" "91629dd6707f1e7e59c52f11679f3284170c27c4675c20a7946f491a8f7a23be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91629dd6707f1e7e59c52f11679f3284170c27c4675c20a7946f491a8f7a23be", kill_on_drop: false }`
[INFO] [stdout] 91629dd6707f1e7e59c52f11679f3284170c27c4675c20a7946f491a8f7a23be
