[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 master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAxelNilsson%2Fstudentbostader" "/workspace/builds/worker-7/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AxelNilsson/studentbostader on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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-7/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 5101de0c12062993f8ac6858d37d398e1ca334a5ca818be811c41eaaa8c91d1c [INFO] running `"docker" "start" "-a" "5101de0c12062993f8ac6858d37d398e1ca334a5ca818be811c41eaaa8c91d1c"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking string v0.1.2 [INFO] [stderr] Compiling encoding_rs v0.8.13 [INFO] [stderr] Checking crossbeam-utils v0.6.3 [INFO] [stderr] Compiling openssl-sys v0.9.40 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.0 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Compiling unicase v2.2.0 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Checking want v0.0.6 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking smallvec v0.6.7 [INFO] [stderr] Checking tokio-current-thread v0.1.4 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking num_cpus v1.9.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Compiling rand_chacha v0.1.0 [INFO] [stderr] Compiling rand v0.6.1 [INFO] [stderr] Checking time v0.1.41 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking bytes v0.4.11 [INFO] [stderr] Checking libflate v0.1.19 [INFO] [stderr] Compiling phf_shared v0.7.23 [INFO] [stderr] Checking rand_pcg v0.1.1 [INFO] [stderr] Compiling syn v0.15.23 [INFO] [stderr] Checking crossbeam-epoch v0.7.0 [INFO] [stderr] Checking tokio-timer v0.2.8 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking phf v0.7.23 [INFO] [stderr] Compiling openssl v0.10.16 [INFO] [stderr] Compiling native-tls v0.2.2 [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Checking tokio-io v0.1.10 [INFO] [stderr] Checking http v0.1.14 [INFO] [stderr] Checking mime v0.3.12 [INFO] [stderr] Checking serde_urlencoded v0.5.4 [INFO] [stderr] Checking parking_lot_core v0.3.1 [INFO] [stderr] Checking uuid v0.7.1 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking tokio-threadpool v0.1.9 [INFO] [stderr] Compiling phf_codegen v0.7.23 [INFO] [stderr] Checking tokio-reactor v0.1.7 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Checking tokio-fs v0.1.4 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-tcp v0.1.2 [INFO] [stderr] Checking tokio-uds v0.2.4 [INFO] [stderr] Checking h2 v0.1.14 [INFO] [stderr] Checking tokio v0.1.13 [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 1m 23s [INFO] running `"docker" "inspect" "5101de0c12062993f8ac6858d37d398e1ca334a5ca818be811c41eaaa8c91d1c"` [INFO] running `"docker" "rm" "-f" "5101de0c12062993f8ac6858d37d398e1ca334a5ca818be811c41eaaa8c91d1c"` [INFO] [stdout] 5101de0c12062993f8ac6858d37d398e1ca334a5ca818be811c41eaaa8c91d1c