[INFO] updating cached repository meamuri/population-data-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/meamuri/population-data-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/meamuri/population-data-rs" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/meamuri/population-data-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/meamuri/population-data-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/meamuri/population-data-rs" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/meamuri/population-data-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/meamuri/population-data-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] afc40e519fb443d96ad929ba27a5848bfa36ab43
[INFO] sha for GitHub repo meamuri/population-data-rs: afc40e519fb443d96ad929ba27a5848bfa36ab43
[INFO] validating manifest of meamuri/population-data-rs on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of meamuri/population-data-rs on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing meamuri/population-data-rs
[INFO] finished frobbing meamuri/population-data-rs
[INFO] frobbed toml for meamuri/population-data-rs written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/meamuri/population-data-rs/Cargo.toml
[INFO] started frobbing meamuri/population-data-rs
[INFO] finished frobbing meamuri/population-data-rs
[INFO] frobbed toml for meamuri/population-data-rs written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/meamuri/population-data-rs/Cargo.toml
[INFO] crate meamuri/population-data-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking meamuri/population-data-rs against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-1/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/meamuri/population-data-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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1cd3bd8a565bd7f427f57f49964737237658ae34da211daf5e40be59deedd8cb
[INFO] running `"docker" "start" "-a" "1cd3bd8a565bd7f427f57f49964737237658ae34da211daf5e40be59deedd8cb"`
[INFO] [stderr]     Checking scan_fmt v0.1.1
[INFO] [stderr]     Checking hostname v0.1.3
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]     Checking base64 v0.4.2
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking csv-core v0.1.2
[INFO] [stderr]     Checking csv v1.0.0-beta.3
[INFO] [stderr]     Checking textnonce v0.6.0
[INFO] [stderr]     Checking bson v0.9.0
[INFO] [stderr]     Checking mongodb v0.3.1
[INFO] [stderr]     Checking population_data_rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/computing/loader.rs:11:60
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn read_csv(file_path: &str)  -> Result<Vec<City>, Box<Error>> {    
[INFO] [stderr]    |                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/computing/loader.rs:11:60
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn read_csv(file_path: &str)  -> Result<Vec<City>, Box<Error>> {    
[INFO] [stderr]    |                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.83s
[INFO] running `"docker" "inspect" "1cd3bd8a565bd7f427f57f49964737237658ae34da211daf5e40be59deedd8cb"`
[INFO] running `"docker" "rm" "-f" "1cd3bd8a565bd7f427f57f49964737237658ae34da211daf5e40be59deedd8cb"`
[INFO] [stdout] 1cd3bd8a565bd7f427f57f49964737237658ae34da211daf5e40be59deedd8cb