[INFO] updating cached repository https://github.com/Karl-Han/CCinRust
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ef41b03e72512c1c788c086ff4f0ad64de68e12a
[INFO] checking Karl-Han/CCinRust against try#e6563ac70cbfd3196492061900e9e9793e065e4d for pr-69410
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarl-Han%2FCCinRust" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Karl-Han/CCinRust on toolchain e6563ac70cbfd3196492061900e9e9793e065e4d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Karl-Han/CCinRust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 66b4ad41b635d50252cb9a6df91499a19af0d742e6130b25488e35ab93111f91
[INFO] running `"docker" "start" "-a" "66b4ad41b635d50252cb9a6df91499a19af0d742e6130b25488e35ab93111f91"`
[INFO] [stderr]     Checking Compiler v0.1.0 (/opt/rustwide/workdir)
[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: consider prefixing 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: consider prefixing 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: unused variable: `symbolError`
[INFO] [stderr]    --> src/lib.rs:209:13
[INFO] [stderr]     |
[INFO] [stderr] 209 |     fn from(symbolError: SymbolError) -> Self {
[INFO] [stderr]     |             ^^^^^^^^^^^ help: consider prefixing 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: consider prefixing 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: unused variable: `symbolError`
[INFO] [stderr]    --> src/lib.rs:209:13
[INFO] [stderr]     |
[INFO] [stderr] 209 |     fn from(symbolError: SymbolError) -> Self {
[INFO] [stderr]     |             ^^^^^^^^^^^ help: consider prefixing 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: consider prefixing 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: unused variable: `symbolError`
[INFO] [stderr]    --> src/lib.rs:209:13
[INFO] [stderr]     |
[INFO] [stderr] 209 |     fn from(symbolError: SymbolError) -> Self {
[INFO] [stderr]     |             ^^^^^^^^^^^ help: consider prefixing 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: consider prefixing 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]     Finished dev [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `"docker" "inspect" "66b4ad41b635d50252cb9a6df91499a19af0d742e6130b25488e35ab93111f91"`
[INFO] running `"docker" "rm" "-f" "66b4ad41b635d50252cb9a6df91499a19af0d742e6130b25488e35ab93111f91"`
[INFO] [stdout] 66b4ad41b635d50252cb9a6df91499a19af0d742e6130b25488e35ab93111f91