[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/beta-1.38-1/sources/1.37.0/gh/meamuri/population-data-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/meamuri/population-data-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/meamuri/population-data-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/meamuri/population-data-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of meamuri/population-data-rs on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing meamuri/population-data-rs against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] eee4596d6ec218c8918984f7dde9b6f479591f56caab3bc83825f6afad75ac5a
[INFO] running `"docker" "start" "-a" "eee4596d6ec218c8918984f7dde9b6f479591f56caab3bc83825f6afad75ac5a"`
[INFO] [stderr]    Compiling scan_fmt v0.1.1
[INFO] [stderr]    Compiling data-encoding v1.2.0
[INFO] [stderr]    Compiling separator v0.3.1
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling hostname v0.1.3
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling base64 v0.4.2
[INFO] [stderr]    Compiling serde_json v1.0.2
[INFO] [stderr]    Compiling semver v0.7.0
[INFO] [stderr]    Compiling csv-core v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.10
[INFO] [stderr]    Compiling chrono v0.3.0
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling csv v1.0.0-beta.3
[INFO] [stderr]    Compiling textnonce v0.6.0
[INFO] [stderr]    Compiling bson v0.9.0
[INFO] [stderr]    Compiling mongodb v0.3.1
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 42.57s
[INFO] running `"docker" "inspect" "eee4596d6ec218c8918984f7dde9b6f479591f56caab3bc83825f6afad75ac5a"`
[INFO] running `"docker" "rm" "-f" "eee4596d6ec218c8918984f7dde9b6f479591f56caab3bc83825f6afad75ac5a"`
[INFO] [stdout] eee4596d6ec218c8918984f7dde9b6f479591f56caab3bc83825f6afad75ac5a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 09d5e26b25680942c2871008a6181b5e9e7ccc5e9b5dd60f1a43c3b2450fa3a0
[INFO] running `"docker" "start" "-a" "09d5e26b25680942c2871008a6181b5e9e7ccc5e9b5dd60f1a43c3b2450fa3a0"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `"docker" "inspect" "09d5e26b25680942c2871008a6181b5e9e7ccc5e9b5dd60f1a43c3b2450fa3a0"`
[INFO] running `"docker" "rm" "-f" "09d5e26b25680942c2871008a6181b5e9e7ccc5e9b5dd60f1a43c3b2450fa3a0"`
[INFO] [stdout] 09d5e26b25680942c2871008a6181b5e9e7ccc5e9b5dd60f1a43c3b2450fa3a0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] a76bfb8f8dcd98d37ef51137f8b9430288a8f76e3af0c88121dfc3efb1563ffb
[INFO] running `"docker" "start" "-a" "a76bfb8f8dcd98d37ef51137f8b9430288a8f76e3af0c88121dfc3efb1563ffb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/population_data_rs-44946325774ff878
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/population_data_rs-662b9aec5a660ecc
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests population_data_rs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a76bfb8f8dcd98d37ef51137f8b9430288a8f76e3af0c88121dfc3efb1563ffb"`
[INFO] running `"docker" "rm" "-f" "a76bfb8f8dcd98d37ef51137f8b9430288a8f76e3af0c88121dfc3efb1563ffb"`
[INFO] [stdout] a76bfb8f8dcd98d37ef51137f8b9430288a8f76e3af0c88121dfc3efb1563ffb