[INFO] updating cached repository https://github.com/ElectricCoffee/city_generator
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cf2a31e74bc5cf52d8d5c9907e5ac79bf1799e4c
[INFO] testing ElectricCoffee/city_generator against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FElectricCoffee%2Fcity_generator" "work/builds/worker-11/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ElectricCoffee/city_generator on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ElectricCoffee/city_generator
[INFO] finished tweaking git repo https://github.com/ElectricCoffee/city_generator
[INFO] tweaked toml for git repo https://github.com/ElectricCoffee/city_generator written to work/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/ElectricCoffee/city_generator already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 6f501e8f7adec033655114d1e66ed26358fa1ab96efbc7d46a7874859a0f8115
[INFO] running `"docker" "start" "-a" "6f501e8f7adec033655114d1e66ed26358fa1ab96efbc7d46a7874859a0f8115"`
[INFO] [stderr]    Compiling serde v1.0.60
[INFO] [stderr]    Compiling proc-macro2 v0.4.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling backtrace v0.3.8
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling quote v0.6.2
[INFO] [stderr]    Compiling syn v0.14.0
[INFO] [stderr]    Compiling serde_derive v1.0.60
[INFO] [stderr]    Compiling serde_json v1.0.17
[INFO] [stderr]    Compiling city_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `generate_random`
[INFO] [stderr]   --> src/data.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn generate_random(&self) -> Result<String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.25s
[INFO] running `"docker" "inspect" "6f501e8f7adec033655114d1e66ed26358fa1ab96efbc7d46a7874859a0f8115"`
[INFO] running `"docker" "rm" "-f" "6f501e8f7adec033655114d1e66ed26358fa1ab96efbc7d46a7874859a0f8115"`
[INFO] [stdout] 6f501e8f7adec033655114d1e66ed26358fa1ab96efbc7d46a7874859a0f8115
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b299330d6515f77284f3d7c99591d4b29d7ddcd2b6fcef7268accd1daa477e78
[INFO] running `"docker" "start" "-a" "b299330d6515f77284f3d7c99591d4b29d7ddcd2b6fcef7268accd1daa477e78"`
[INFO] [stderr]    Compiling city_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `generate_random`
[INFO] [stderr]   --> src/data.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn generate_random(&self) -> Result<String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "b299330d6515f77284f3d7c99591d4b29d7ddcd2b6fcef7268accd1daa477e78"`
[INFO] running `"docker" "rm" "-f" "b299330d6515f77284f3d7c99591d4b29d7ddcd2b6fcef7268accd1daa477e78"`
[INFO] [stdout] b299330d6515f77284f3d7c99591d4b29d7ddcd2b6fcef7268accd1daa477e78
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 35928c51339e589828f5bc1e5f173c0704fbb6cbb41e2f3d1d71ef21713f73fc
[INFO] running `"docker" "start" "-a" "35928c51339e589828f5bc1e5f173c0704fbb6cbb41e2f3d1d71ef21713f73fc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/city_generator-f1d2e31587e836c8
[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" "35928c51339e589828f5bc1e5f173c0704fbb6cbb41e2f3d1d71ef21713f73fc"`
[INFO] running `"docker" "rm" "-f" "35928c51339e589828f5bc1e5f173c0704fbb6cbb41e2f3d1d71ef21713f73fc"`
[INFO] [stdout] 35928c51339e589828f5bc1e5f173c0704fbb6cbb41e2f3d1d71ef21713f73fc