[INFO] cloning repository https://github.com/AxelNilsson/studentbostader [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AxelNilsson/studentbostader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAxelNilsson%2Fstudentbostader"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAxelNilsson%2Fstudentbostader'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 1a31b96e14d7ed0ee301e9ab184959136850a16a [INFO] checking AxelNilsson/studentbostader against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAxelNilsson%2Fstudentbostader" "/workspace/builds/worker-13/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AxelNilsson/studentbostader on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/AxelNilsson/studentbostader [INFO] finished tweaking git repo https://github.com/AxelNilsson/studentbostader [INFO] tweaked toml for git repo https://github.com/AxelNilsson/studentbostader written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/AxelNilsson/studentbostader already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6e761bf881a664add41351196d4c05a83f87fea599b514f59f8b1ef881f19a6c [INFO] running `"docker" "start" "-a" "6e761bf881a664add41351196d4c05a83f87fea599b514f59f8b1ef881f19a6c"` [INFO] [stderr] Checking string v0.1.2 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking uuid v0.7.1 [INFO] [stderr] Checking tokio-io v0.1.10 [INFO] [stderr] Checking http v0.1.14 [INFO] [stderr] Checking openssl v0.10.16 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Checking serde_urlencoded v0.5.4 [INFO] [stderr] Compiling syn v0.15.23 [INFO] [stderr] Checking tokio-threadpool v0.1.9 [INFO] [stderr] Compiling phf_codegen v0.7.23 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking tokio-fs v0.1.4 [INFO] [stderr] Checking tokio-reactor v0.1.7 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-uds v0.2.4 [INFO] [stderr] Checking tokio-tcp v0.1.2 [INFO] [stderr] Checking tokio v0.1.13 [INFO] [stderr] Checking h2 v0.1.14 [INFO] [stderr] Checking native-tls v0.2.2 [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/rustwide/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 57.37s [INFO] running `"docker" "inspect" "6e761bf881a664add41351196d4c05a83f87fea599b514f59f8b1ef881f19a6c"` [INFO] running `"docker" "rm" "-f" "6e761bf881a664add41351196d4c05a83f87fea599b514f59f8b1ef881f19a6c"` [INFO] [stdout] 6e761bf881a664add41351196d4c05a83f87fea599b514f59f8b1ef881f19a6c