[INFO] cloning repository https://github.com/drighart/rust-serve
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drighart/rust-serve" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrighart%2Frust-serve", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrighart%2Frust-serve'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f8088de2b9e37ef481918c16159712dc4510cba
[INFO] testing drighart/rust-serve against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrighart%2Frust-serve" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/drighart/rust-serve on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/drighart/rust-serve
[INFO] finished tweaking git repo https://github.com/drighart/rust-serve
[INFO] tweaked toml for git repo https://github.com/drighart/rust-serve written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/drighart/rust-serve already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0e74ee655390dec737d47222edc689d24e9ab11149da73260256ed9d8c3fe01
[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" "d0e74ee655390dec737d47222edc689d24e9ab11149da73260256ed9d8c3fe01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0e74ee655390dec737d47222edc689d24e9ab11149da73260256ed9d8c3fe01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0e74ee655390dec737d47222edc689d24e9ab11149da73260256ed9d8c3fe01", kill_on_drop: false }`
[INFO] [stdout] d0e74ee655390dec737d47222edc689d24e9ab11149da73260256ed9d8c3fe01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ae60b61413c2d37aaa4363ee4f439124ff75cadd7de93afcc4fc72338d054a1
[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" "3ae60b61413c2d37aaa4363ee4f439124ff75cadd7de93afcc4fc72338d054a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling futures-core v0.3.3
[INFO] [stderr]    Compiling futures-sink v0.3.3
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]    Compiling futures-io v0.3.3
[INFO] [stderr]    Compiling futures-task v0.3.3
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling dtoa v0.4.5
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling lock_api v0.3.3
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling futures-channel v0.3.3
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling backtrace v0.3.43
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling publicsuffix v1.5.4
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling tokio-macros v0.2.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling tokio v0.2.11
[INFO] [stderr]    Compiling futures-macro v0.3.3
[INFO] [stderr]    Compiling pin-project v0.4.8
[INFO] [stderr]    Compiling futures-util v0.3.3
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling futures-executor v0.3.3
[INFO] [stderr]    Compiling h2 v0.2.1
[INFO] [stderr]    Compiling futures v0.3.3
[INFO] [stderr]    Compiling hyper v0.13.2
[INFO] [stderr]    Compiling serde_json v1.0.46
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling reqwest v0.9.24
[INFO] [stderr]    Compiling serve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/main.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::{info,error};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Builder`, `Env`
[INFO] [stdout]  --> src/arguments.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use env_logger::{Builder,Env};
[INFO] [stdout]   |                  ^^^^^^^ ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/cache.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/cache.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cache`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let cache = Cache::new().read_from_directory(&args.folder);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_cache`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `port`
[INFO] [stdout]   --> src/arguments.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let port: () = match matches.value_of("port") {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/cache.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 let buf = self.read_file(&filename);
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_folders2`
[INFO] [stdout]   --> src/main.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn read_folders2() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_folders`
[INFO] [stdout]   --> src/main.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn read_folders() {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 04s
[INFO] running `Command { std: "docker" "inspect" "3ae60b61413c2d37aaa4363ee4f439124ff75cadd7de93afcc4fc72338d054a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ae60b61413c2d37aaa4363ee4f439124ff75cadd7de93afcc4fc72338d054a1", kill_on_drop: false }`
[INFO] [stdout] 3ae60b61413c2d37aaa4363ee4f439124ff75cadd7de93afcc4fc72338d054a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1815c54f927e8893890271bfd9a58c0bddbb656e61752a66631844de15c8dbed
[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" "1815c54f927e8893890271bfd9a58c0bddbb656e61752a66631844de15c8dbed", kill_on_drop: false }`
[INFO] [stderr]    Compiling serve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/main.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::{info,error};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Builder`, `Env`
[INFO] [stdout]  --> src/arguments.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use env_logger::{Builder,Env};
[INFO] [stdout]   |                  ^^^^^^^ ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/cache.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/cache.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cache`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let cache = Cache::new().read_from_directory(&args.folder);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_cache`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `port`
[INFO] [stdout]   --> src/arguments.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let port: () = match matches.value_of("port") {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/cache.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 let buf = self.read_file(&filename);
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_folders2`
[INFO] [stdout]   --> src/main.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn read_folders2() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_folders`
[INFO] [stdout]   --> src/main.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn read_folders() {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "1815c54f927e8893890271bfd9a58c0bddbb656e61752a66631844de15c8dbed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1815c54f927e8893890271bfd9a58c0bddbb656e61752a66631844de15c8dbed", kill_on_drop: false }`
[INFO] [stdout] 1815c54f927e8893890271bfd9a58c0bddbb656e61752a66631844de15c8dbed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cd30dddd4ec487d82dd5e488c1d05b24d90bc80f2be03b6763ac6978ad1125fc
[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" "cd30dddd4ec487d82dd5e488c1d05b24d90bc80f2be03b6763ac6978ad1125fc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `error`
[INFO] [stderr]  --> src/main.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use log::{info,error};
[INFO] [stderr]   |                ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Builder`, `Env`
[INFO] [stderr]  --> src/arguments.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | use env_logger::{Builder,Env};
[INFO] [stderr]   |                  ^^^^^^^ ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/cache.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/cache.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cache`
[INFO] [stderr]   --> src/main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let cache = Cache::new().read_from_directory(&args.folder);
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_cache`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `port`
[INFO] [stderr]   --> src/arguments.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let port: () = match matches.value_of("port") {
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]   --> src/cache.rs:50:21
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 let buf = self.read_file(&filename);
[INFO] [stderr]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_folders2`
[INFO] [stderr]   --> src/main.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn read_folders2() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_folders`
[INFO] [stderr]   --> src/main.rs:40:4
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn read_folders() {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serve-65e92adf39f35c5e
[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 `Command { std: "docker" "inspect" "cd30dddd4ec487d82dd5e488c1d05b24d90bc80f2be03b6763ac6978ad1125fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd30dddd4ec487d82dd5e488c1d05b24d90bc80f2be03b6763ac6978ad1125fc", kill_on_drop: false }`
[INFO] [stdout] cd30dddd4ec487d82dd5e488c1d05b24d90bc80f2be03b6763ac6978ad1125fc
