[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-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/AxelNilsson/studentbostader"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/AxelNilsson/studentbostader'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AxelNilsson/studentbostader" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/AxelNilsson/studentbostader"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/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#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of AxelNilsson/studentbostader on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-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-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/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-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/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" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking AxelNilsson/studentbostader against try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-5/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/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" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 15ff8e6be2ed561b24c8481a3a95b1770a3f06406eceabd835de51c80b1dae08
[INFO] running `"docker" "start" "-a" "15ff8e6be2ed561b24c8481a3a95b1770a3f06406eceabd835de51c80b1dae08"`
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]     Checking string v0.1.2
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling encoding_rs v0.8.13
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.3
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking iovec v0.1.2
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[INFO] [stderr]     Checking time v0.1.41
[INFO] [stderr]     Checking crossbeam-epoch v0.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking tokio-executor v0.1.5
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking bytes v0.4.11
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[INFO] [stderr]     Checking phf_shared v0.7.23
[INFO] [stderr]     Checking uuid v0.7.1
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking tokio-timer v0.2.8
[INFO] [stderr]     Checking tokio-current-thread v0.1.4
[INFO] [stderr]     Checking phf v0.7.23
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking http v0.1.14
[INFO] [stderr]     Checking mime v0.3.12
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tokio-threadpool v0.1.9
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-reactor v0.1.7
[INFO] [stderr]     Checking tokio-uds v0.2.4
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking tokio v0.1.13
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking h2 v0.1.14
[INFO] [stderr]     Checking serde_urlencoded v0.5.4
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]     Checking hyper v0.12.19
[INFO] [stderr]     Checking hyper-tls v0.3.1
[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 <https://github.com/rust-lang/rust/issues/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 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 46s
[INFO] running `"docker" "inspect" "15ff8e6be2ed561b24c8481a3a95b1770a3f06406eceabd835de51c80b1dae08"`
[INFO] running `"docker" "rm" "-f" "15ff8e6be2ed561b24c8481a3a95b1770a3f06406eceabd835de51c80b1dae08"`
[INFO] [stdout] 15ff8e6be2ed561b24c8481a3a95b1770a3f06406eceabd835de51c80b1dae08