[INFO] updating cached repository cakey/xml_schema_finder
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cakey/xml_schema_finder
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cakey/xml_schema_finder" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/cakey/xml_schema_finder"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/cakey/xml_schema_finder'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cakey/xml_schema_finder" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/cakey/xml_schema_finder"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/cakey/xml_schema_finder'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9c7855b7ee19476a51ae725ecce17d029ea8e2b8
[INFO] sha for GitHub repo cakey/xml_schema_finder: 9c7855b7ee19476a51ae725ecce17d029ea8e2b8
[INFO] validating manifest of cakey/xml_schema_finder on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cakey/xml_schema_finder on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cakey/xml_schema_finder
[INFO] finished frobbing cakey/xml_schema_finder
[INFO] frobbed toml for cakey/xml_schema_finder written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/cakey/xml_schema_finder/Cargo.toml
[INFO] started frobbing cakey/xml_schema_finder
[INFO] finished frobbing cakey/xml_schema_finder
[INFO] frobbed toml for cakey/xml_schema_finder written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/cakey/xml_schema_finder/Cargo.toml
[INFO] crate cakey/xml_schema_finder already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cakey/xml_schema_finder against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-1/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/cakey/xml_schema_finder:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 21861092f2a8527076bdd77c683937d138e25d5a933c9927a2a2c4ab5aa756ae
[INFO] running `"docker" "start" "-a" "21861092f2a8527076bdd77c683937d138e25d5a933c9927a2a2c4ab5aa756ae"`
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking encoding_rs v0.7.1
[INFO] [stderr]     Checking clicolors-control v0.1.0
[INFO] [stderr]     Checking parking_lot_core v0.2.8
[INFO] [stderr]     Checking backtrace-sys v0.1.16
[INFO] [stderr]     Checking backtrace v0.3.4
[INFO] [stderr]     Checking clap v2.29.0
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking parking_lot v0.5.3
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking regex v0.2.3
[INFO] [stderr]     Checking quick-xml v0.10.1
[INFO] [stderr]     Checking console v0.5.0
[INFO] [stderr]     Checking indicatif v0.8.0
[INFO] [stderr]     Checking xml_schema_finder v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:80:21
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 let mut attribute = schema
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:80:21
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 let mut attribute = schema
[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]     Finished dev [unoptimized + debuginfo] target(s) in 11.87s
[INFO] running `"docker" "inspect" "21861092f2a8527076bdd77c683937d138e25d5a933c9927a2a2c4ab5aa756ae"`
[INFO] running `"docker" "rm" "-f" "21861092f2a8527076bdd77c683937d138e25d5a933c9927a2a2c4ab5aa756ae"`
[INFO] [stdout] 21861092f2a8527076bdd77c683937d138e25d5a933c9927a2a2c4ab5aa756ae