[INFO] cloning repository https://github.com/meamuri/population-data-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meamuri/population-data-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeamuri%2Fpopulation-data-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeamuri%2Fpopulation-data-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] afc40e519fb443d96ad929ba27a5848bfa36ab43
[INFO] checking meamuri/population-data-rs against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeamuri%2Fpopulation-data-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/meamuri/population-data-rs on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/meamuri/population-data-rs
[INFO] finished tweaking git repo https://github.com/meamuri/population-data-rs
[INFO] tweaked toml for git repo https://github.com/meamuri/population-data-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/meamuri/population-data-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 405ccc33fd2629a2dd5ad2ceb463ec41ac4dfcb57f3cf9e2ad7fb25ad0cd8934
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "405ccc33fd2629a2dd5ad2ceb463ec41ac4dfcb57f3cf9e2ad7fb25ad0cd8934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "405ccc33fd2629a2dd5ad2ceb463ec41ac4dfcb57f3cf9e2ad7fb25ad0cd8934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "405ccc33fd2629a2dd5ad2ceb463ec41ac4dfcb57f3cf9e2ad7fb25ad0cd8934", kill_on_drop: false }`
[INFO] [stdout] 405ccc33fd2629a2dd5ad2ceb463ec41ac4dfcb57f3cf9e2ad7fb25ad0cd8934
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0e43564fa1be435c684673c9e08e41ecdc292c56eee7a003e37bd4a9944c7fcd
[INFO] running `Command { std: "docker" "start" "-a" "0e43564fa1be435c684673c9e08e41ecdc292c56eee7a003e37bd4a9944c7fcd", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.26
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking separator v0.3.1
[INFO] [stderr]     Checking bufstream v0.1.3
[INFO] [stderr]     Checking scan_fmt v0.1.1
[INFO] [stderr]     Checking data-encoding v1.2.0
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking base64 v0.4.2
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]     Checking semver v0.7.0
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking hostname v0.1.3
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking csv-core v0.1.2
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]     Checking csv v1.0.0-beta.3
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling serde_derive v1.0.10
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking chrono v0.3.0
[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/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/computing/loader.rs:11:60
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn read_csv(file_path: &str)  -> Result<Vec<City>, Box<Error>> {    
[INFO] [stdout]    |                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/computing/loader.rs:11:60
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn read_csv(file_path: &str)  -> Result<Vec<City>, Box<Error>> {    
[INFO] [stdout]    |                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.56s
[INFO] running `Command { std: "docker" "inspect" "0e43564fa1be435c684673c9e08e41ecdc292c56eee7a003e37bd4a9944c7fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e43564fa1be435c684673c9e08e41ecdc292c56eee7a003e37bd4a9944c7fcd", kill_on_drop: false }`
[INFO] [stdout] 0e43564fa1be435c684673c9e08e41ecdc292c56eee7a003e37bd4a9944c7fcd