[INFO] cloning repository krlvi/wc-rs
[INFO] running `"git" "clone" "--bare" "git://github.com/krlvi/wc-rs.git" "work/cache/sources/gh/krlvi/wc-rs"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/krlvi/wc-rs'...
[INFO] running `"git" "clone" "work/cache/sources/gh/krlvi/wc-rs" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/krlvi/wc-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/krlvi/wc-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/krlvi/wc-rs" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/krlvi/wc-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/krlvi/wc-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b89da8176c9215a7ec0ca69d1f418ca06808e901
[INFO] sha for GitHub repo krlvi/wc-rs: b89da8176c9215a7ec0ca69d1f418ca06808e901
[INFO] validating manifest of krlvi/wc-rs on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of krlvi/wc-rs on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing krlvi/wc-rs
[INFO] finished frobbing krlvi/wc-rs
[INFO] frobbed toml for krlvi/wc-rs written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/krlvi/wc-rs/Cargo.toml
[INFO] started frobbing krlvi/wc-rs
[INFO] finished frobbing krlvi/wc-rs
[INFO] frobbed toml for krlvi/wc-rs written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/krlvi/wc-rs/Cargo.toml
[INFO] crate krlvi/wc-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking krlvi/wc-rs against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-7/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/krlvi/wc-rs:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 51c0aa3007856676a0785623d73fec5a13aa9974192b6384f1614b9a56056fa8
[INFO] running `"docker" "start" "-a" "51c0aa3007856676a0785623d73fec5a13aa9974192b6384f1614b9a56056fa8"`
[INFO] [stderr]     Checking wc-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: cannot borrow `dict` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/main.rs:19:29
[INFO] [stderr]    |
[INFO] [stderr] 18 |                         if let Some(val) = dict.get(word) {
[INFO] [stderr]    |                                            ---- immutable borrow occurs here
[INFO] [stderr] 19 |                             dict.insert(String::from(word), *val + 1);
[INFO] [stderr]    |                             ^^^^ mutable borrow occurs here ---- immutable borrow later used here
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(mutable_borrow_reservation_conflict)] on by default
[INFO] [stderr]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `re` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/main.rs:64:21
[INFO] [stderr]    |
[INFO] [stderr] 62 |             match re.get(&k) {
[INFO] [stderr]    |                   -- immutable borrow occurs here
[INFO] [stderr] 63 |                 Some(ev) => {
[INFO] [stderr] 64 |                     re.insert(k, ev + v);
[INFO] [stderr]    |                     ^^           -- immutable borrow later used here
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     mutable borrow occurs here
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `dict` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/main.rs:19:29
[INFO] [stderr]    |
[INFO] [stderr] 18 |                         if let Some(val) = dict.get(word) {
[INFO] [stderr]    |                                            ---- immutable borrow occurs here
[INFO] [stderr] 19 |                             dict.insert(String::from(word), *val + 1);
[INFO] [stderr]    |                             ^^^^ mutable borrow occurs here ---- immutable borrow later used here
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(mutable_borrow_reservation_conflict)] on by default
[INFO] [stderr]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `re` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/main.rs:64:21
[INFO] [stderr]    |
[INFO] [stderr] 62 |             match re.get(&k) {
[INFO] [stderr]    |                   -- immutable borrow occurs here
[INFO] [stderr] 63 |                 Some(ev) => {
[INFO] [stderr] 64 |                     re.insert(k, ev + v);
[INFO] [stderr]    |                     ^^           -- immutable borrow later used here
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     mutable borrow occurs here
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "51c0aa3007856676a0785623d73fec5a13aa9974192b6384f1614b9a56056fa8"`
[INFO] running `"docker" "rm" "-f" "51c0aa3007856676a0785623d73fec5a13aa9974192b6384f1614b9a56056fa8"`
[INFO] [stdout] 51c0aa3007856676a0785623d73fec5a13aa9974192b6384f1614b9a56056fa8