[INFO] cloning repository https://github.com/ElectricCoffee/city_generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ElectricCoffee/city_generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElectricCoffee%2Fcity_generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElectricCoffee%2Fcity_generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cf2a31e74bc5cf52d8d5c9907e5ac79bf1799e4c
[INFO] testing ElectricCoffee/city_generator against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElectricCoffee%2Fcity_generator" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ElectricCoffee/city_generator on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/ElectricCoffee/city_generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.60
[INFO] [stderr]   Downloaded serde v1.0.60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c3c54c52a170995c7ee24466b6fb7948a017e80b9ee3a728c2ddf87bbf78c58
[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" "1c3c54c52a170995c7ee24466b6fb7948a017e80b9ee3a728c2ddf87bbf78c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c3c54c52a170995c7ee24466b6fb7948a017e80b9ee3a728c2ddf87bbf78c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c3c54c52a170995c7ee24466b6fb7948a017e80b9ee3a728c2ddf87bbf78c58", kill_on_drop: false }`
[INFO] [stdout] 1c3c54c52a170995c7ee24466b6fb7948a017e80b9ee3a728c2ddf87bbf78c58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83fe3debeb0546ba4f8fd8352824c3f73e19d22394670fbd3147a01661fbd319
[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" "83fe3debeb0546ba4f8fd8352824c3f73e19d22394670fbd3147a01661fbd319", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.41
[INFO] [stderr]    Compiling serde v1.0.60
[INFO] [stderr]    Compiling rustc-demangle v0.1.8
[INFO] [stderr]    Compiling rand_core v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling proc-macro2 v0.4.3
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling quote v0.6.2
[INFO] [stderr]    Compiling rand v0.5.0
[INFO] [stderr]    Compiling syn v0.14.0
[INFO] [stderr]    Compiling backtrace v0.3.8
[INFO] [stderr]    Compiling failure v0.1.1
[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] [stdout] warning: associated function is never used: `generate_random`
[INFO] [stdout]   --> src/data.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn generate_random(&self) -> Result<String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.85s
[INFO] running `Command { std: "docker" "inspect" "83fe3debeb0546ba4f8fd8352824c3f73e19d22394670fbd3147a01661fbd319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83fe3debeb0546ba4f8fd8352824c3f73e19d22394670fbd3147a01661fbd319", kill_on_drop: false }`
[INFO] [stdout] 83fe3debeb0546ba4f8fd8352824c3f73e19d22394670fbd3147a01661fbd319
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15ed0ab42679b7923863b7fe25279bc3218d8dca334fd88730ee0f679beda108
[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" "15ed0ab42679b7923863b7fe25279bc3218d8dca334fd88730ee0f679beda108", kill_on_drop: false }`
[INFO] [stderr]    Compiling city_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `generate_random`
[INFO] [stdout]   --> src/data.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn generate_random(&self) -> Result<String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "15ed0ab42679b7923863b7fe25279bc3218d8dca334fd88730ee0f679beda108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15ed0ab42679b7923863b7fe25279bc3218d8dca334fd88730ee0f679beda108", kill_on_drop: false }`
[INFO] [stdout] 15ed0ab42679b7923863b7fe25279bc3218d8dca334fd88730ee0f679beda108
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", 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] 1aebcfa2f5fc2d57f1ffa3d9db2e1638f82b6e4f710a2a2f6cece5c389db9e9d
[INFO] running `Command { std: "docker" "start" "-a" "1aebcfa2f5fc2d57f1ffa3d9db2e1638f82b6e4f710a2a2f6cece5c389db9e9d", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `generate_random`
[INFO] [stderr]   --> src/data.rs:39:12
[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] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/city_generator-63613194605f57d8
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1aebcfa2f5fc2d57f1ffa3d9db2e1638f82b6e4f710a2a2f6cece5c389db9e9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aebcfa2f5fc2d57f1ffa3d9db2e1638f82b6e4f710a2a2f6cece5c389db9e9d", kill_on_drop: false }`
[INFO] [stdout] 1aebcfa2f5fc2d57f1ffa3d9db2e1638f82b6e4f710a2a2f6cece5c389db9e9d