[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] checking Karl-Han/CCinRust against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarl-Han%2FCCinRust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Karl-Han/CCinRust on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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-3/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2399a84979de5b76011459bd6d95e78e5883a887b1ac83a54fda96ec052a782
[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" "e2399a84979de5b76011459bd6d95e78e5883a887b1ac83a54fda96ec052a782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2399a84979de5b76011459bd6d95e78e5883a887b1ac83a54fda96ec052a782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2399a84979de5b76011459bd6d95e78e5883a887b1ac83a54fda96ec052a782", kill_on_drop: false }`
[INFO] [stdout] e2399a84979de5b76011459bd6d95e78e5883a887b1ac83a54fda96ec052a782
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9851a2713cbb2cc460f71780455b5e2e844d2c0bec62b6d4ea983c3fe962abc3
[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" "9851a2713cbb2cc460f71780455b5e2e844d2c0bec62b6d4ea983c3fe962abc3", kill_on_drop: false }`
[INFO] [stderr]     Checking 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: 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: 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: 5 warnings emitted
[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 0.87s
[INFO] running `Command { std: "docker" "inspect" "9851a2713cbb2cc460f71780455b5e2e844d2c0bec62b6d4ea983c3fe962abc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9851a2713cbb2cc460f71780455b5e2e844d2c0bec62b6d4ea983c3fe962abc3", kill_on_drop: false }`
[INFO] [stdout] 9851a2713cbb2cc460f71780455b5e2e844d2c0bec62b6d4ea983c3fe962abc3