[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-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/meamuri/population-data-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/meamuri/population-data-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/meamuri/population-data-rs" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/meamuri/population-data-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/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#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of meamuri/population-data-rs on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-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-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/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-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking meamuri/population-data-rs against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-6/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b7a96fd64df0e1cb4aaa8d1f24870b07ed8e4a4d31733f065357959ea470666e
[INFO] running `"docker" "start" "-a" "b7a96fd64df0e1cb4aaa8d1f24870b07ed8e4a4d31733f065357959ea470666e"`
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]     Checking libc v0.2.26
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking serde v1.0.10
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking scan_fmt v0.1.1
[INFO] [stderr]     Checking separator v0.3.1
[INFO] [stderr]     Checking data-encoding v1.2.0
[INFO] [stderr]     Checking bufstream v0.1.3
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking base64 v0.4.2
[INFO] [stderr]     Checking semver v0.7.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking hostname v0.1.3
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking csv-core v0.1.2
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]    Compiling serde_derive v1.0.10
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]     Checking serde_json v1.0.2
[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 53.77s
[INFO] running `"docker" "inspect" "b7a96fd64df0e1cb4aaa8d1f24870b07ed8e4a4d31733f065357959ea470666e"`
[INFO] running `"docker" "rm" "-f" "b7a96fd64df0e1cb4aaa8d1f24870b07ed8e4a4d31733f065357959ea470666e"`
[INFO] [stdout] b7a96fd64df0e1cb4aaa8d1f24870b07ed8e4a4d31733f065357959ea470666e