[INFO] updating cached repository AxelNilsson/studentbostader [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/AxelNilsson/studentbostader [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/AxelNilsson/studentbostader" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/AxelNilsson/studentbostader"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/AxelNilsson/studentbostader'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/AxelNilsson/studentbostader" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/AxelNilsson/studentbostader"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/AxelNilsson/studentbostader'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 1a31b96e14d7ed0ee301e9ab184959136850a16a [INFO] sha for GitHub repo AxelNilsson/studentbostader: 1a31b96e14d7ed0ee301e9ab184959136850a16a [INFO] validating manifest of AxelNilsson/studentbostader on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of AxelNilsson/studentbostader on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing AxelNilsson/studentbostader [INFO] finished frobbing AxelNilsson/studentbostader [INFO] frobbed toml for AxelNilsson/studentbostader written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/AxelNilsson/studentbostader/Cargo.toml [INFO] started frobbing AxelNilsson/studentbostader [INFO] finished frobbing AxelNilsson/studentbostader [INFO] frobbed toml for AxelNilsson/studentbostader written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/AxelNilsson/studentbostader/Cargo.toml [INFO] crate AxelNilsson/studentbostader already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking AxelNilsson/studentbostader against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-0/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/AxelNilsson/studentbostader:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] c5a50f8d4768520792a985828a67f34d716f336d37990166e95f81372b8587dc [INFO] running `"docker" "start" "-a" "c5a50f8d4768520792a985828a67f34d716f336d37990166e95f81372b8587dc"` [INFO] [stderr] Checking reqwest v0.9.5 [INFO] [stderr] Checking student v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: cannot borrow `apartment_hashmap` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/main.rs:326:36 [INFO] [stderr] | [INFO] [stderr] 325 | match apartment_hashmap.get(&new_key) { [INFO] [stderr] | ----------------- immutable borrow occurs here [INFO] [stderr] 326 | Some(current_count) => apartment_hashmap.insert(new_key, current_count + 1), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ ------------- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs 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 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `apartment_hashmap` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/main.rs:326:36 [INFO] [stderr] | [INFO] [stderr] 325 | match apartment_hashmap.get(&new_key) { [INFO] [stderr] | ----------------- immutable borrow occurs here [INFO] [stderr] 326 | Some(current_count) => apartment_hashmap.insert(new_key, current_count + 1), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ ------------- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs 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 [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.80s [INFO] running `"docker" "inspect" "c5a50f8d4768520792a985828a67f34d716f336d37990166e95f81372b8587dc"` [INFO] running `"docker" "rm" "-f" "c5a50f8d4768520792a985828a67f34d716f336d37990166e95f81372b8587dc"` [INFO] [stdout] c5a50f8d4768520792a985828a67f34d716f336d37990166e95f81372b8587dc