[INFO] cloning repository emilio/searchfox-rustc-analyser [INFO] running `"git" "clone" "--bare" "git://github.com/emilio/searchfox-rustc-analyser.git" "work/cache/sources/gh/emilio/searchfox-rustc-analyser"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/emilio/searchfox-rustc-analyser'... [INFO] running `"git" "clone" "work/cache/sources/gh/emilio/searchfox-rustc-analyser" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/emilio/searchfox-rustc-analyser"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/emilio/searchfox-rustc-analyser'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/emilio/searchfox-rustc-analyser" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/emilio/searchfox-rustc-analyser"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/emilio/searchfox-rustc-analyser'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 053686ff21cebf591dfe106d1d7c9f9bf3b04c93 [INFO] sha for GitHub repo emilio/searchfox-rustc-analyser: 053686ff21cebf591dfe106d1d7c9f9bf3b04c93 [INFO] validating manifest of emilio/searchfox-rustc-analyser on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of emilio/searchfox-rustc-analyser on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing emilio/searchfox-rustc-analyser [INFO] finished frobbing emilio/searchfox-rustc-analyser [INFO] frobbed toml for emilio/searchfox-rustc-analyser written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/emilio/searchfox-rustc-analyser/Cargo.toml [INFO] started frobbing emilio/searchfox-rustc-analyser [INFO] finished frobbing emilio/searchfox-rustc-analyser [INFO] frobbed toml for emilio/searchfox-rustc-analyser written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/emilio/searchfox-rustc-analyser/Cargo.toml [INFO] crate emilio/searchfox-rustc-analyser already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rls-data v0.12.0 [INFO] [stderr] Downloaded rls-analysis v0.8.1 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking emilio/searchfox-rustc-analyser against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008 [INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/emilio/searchfox-rustc-analyser:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 0e4358c9c9cd0a56be996fb22a69488b849f274cdb72ca3dc328194886fe79cf [INFO] running `"docker" "start" "-a" "0e4358c9c9cd0a56be996fb22a69488b849f274cdb72ca3dc328194886fe79cf"` [INFO] [stderr] Checking rls-span v0.4.0 [INFO] [stderr] Checking serde_json v1.0.6 [INFO] [stderr] Compiling derive-new v0.5.0 [INFO] [stderr] Checking rls-data v0.12.0 [INFO] [stderr] Checking rls-analysis v0.8.1 [INFO] [stderr] Checking searchfox-rustc-analyser v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:182:21 [INFO] [stderr] | [INFO] [stderr] 182 | let mut file_analysis = [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] ... [INFO] [stderr] 192 | flat_map_per_file!(imports); [INFO] [stderr] | ---------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:182:21 [INFO] [stderr] | [INFO] [stderr] 182 | let mut file_analysis = [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] ... [INFO] [stderr] 193 | flat_map_per_file!(defs); [INFO] [stderr] | ------------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:182:21 [INFO] [stderr] | [INFO] [stderr] 182 | let mut file_analysis = [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] ... [INFO] [stderr] 194 | flat_map_per_file!(impls); [INFO] [stderr] | -------------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:182:21 [INFO] [stderr] | [INFO] [stderr] 182 | let mut file_analysis = [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] ... [INFO] [stderr] 195 | flat_map_per_file!(refs); [INFO] [stderr] | ------------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:182:21 [INFO] [stderr] | [INFO] [stderr] 182 | let mut file_analysis = [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] ... [INFO] [stderr] 196 | flat_map_per_file!(macro_refs); [INFO] [stderr] | ------------------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:182:21 [INFO] [stderr] | [INFO] [stderr] 182 | let mut file_analysis = [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] ... [INFO] [stderr] 197 | flat_map_per_file!(relations); [INFO] [stderr] | ------------------------------ in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:182:21 [INFO] [stderr] | [INFO] [stderr] 182 | let mut file_analysis = [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] ... [INFO] [stderr] 192 | flat_map_per_file!(imports); [INFO] [stderr] | ---------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:182:21 [INFO] [stderr] | [INFO] [stderr] 182 | let mut file_analysis = [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] ... [INFO] [stderr] 193 | flat_map_per_file!(defs); [INFO] [stderr] | ------------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:182:21 [INFO] [stderr] | [INFO] [stderr] 182 | let mut file_analysis = [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] ... [INFO] [stderr] 194 | flat_map_per_file!(impls); [INFO] [stderr] | -------------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:182:21 [INFO] [stderr] | [INFO] [stderr] 182 | let mut file_analysis = [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] ... [INFO] [stderr] 195 | flat_map_per_file!(refs); [INFO] [stderr] | ------------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:182:21 [INFO] [stderr] | [INFO] [stderr] 182 | let mut file_analysis = [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] ... [INFO] [stderr] 196 | flat_map_per_file!(macro_refs); [INFO] [stderr] | ------------------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:182:21 [INFO] [stderr] | [INFO] [stderr] 182 | let mut file_analysis = [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] ... [INFO] [stderr] 197 | flat_map_per_file!(relations); [INFO] [stderr] | ------------------------------ in this macro invocation [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.62s [INFO] running `"docker" "inspect" "0e4358c9c9cd0a56be996fb22a69488b849f274cdb72ca3dc328194886fe79cf"` [INFO] running `"docker" "rm" "-f" "0e4358c9c9cd0a56be996fb22a69488b849f274cdb72ca3dc328194886fe79cf"` [INFO] [stdout] 0e4358c9c9cd0a56be996fb22a69488b849f274cdb72ca3dc328194886fe79cf