[INFO] updating cached repository rjulian/hostname-service
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rjulian/hostname-service
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rjulian/hostname-service" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/rjulian/hostname-service"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/rjulian/hostname-service'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rjulian/hostname-service" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/rjulian/hostname-service"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/rjulian/hostname-service'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 45d8c12065b16b0dddda0c2c00c43f6b452b6625
[INFO] sha for GitHub repo rjulian/hostname-service: 45d8c12065b16b0dddda0c2c00c43f6b452b6625
[INFO] validating manifest of rjulian/hostname-service on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rjulian/hostname-service on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rjulian/hostname-service
[INFO] finished frobbing rjulian/hostname-service
[INFO] frobbed toml for rjulian/hostname-service written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/rjulian/hostname-service/Cargo.toml
[INFO] started frobbing rjulian/hostname-service
[INFO] finished frobbing rjulian/hostname-service
[INFO] frobbed toml for rjulian/hostname-service written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/rjulian/hostname-service/Cargo.toml
[INFO] crate rjulian/hostname-service has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rjulian/hostname-service against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/rjulian/hostname-service:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 91a27f6b3952cddec20bb968aa8ea13f839a9a5fc342a8d011ac7e85e49eea71
[INFO] running `"docker" "start" "-a" "91a27f6b3952cddec20bb968aa8ea13f839a9a5fc342a8d011ac7e85e49eea71"`
[INFO] [stderr]    Compiling groupable v0.2.0
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling relay v0.1.1
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling mio v0.6.13
[INFO] [stderr]    Compiling mustache v0.8.2
[INFO] [stderr]    Compiling hyper v0.10.13
[INFO] [stderr]    Compiling sha2 v0.7.0
[INFO] [stderr]    Compiling hmac v0.5.0
[INFO] [stderr]    Compiling rustc_version v0.2.1
[INFO] [stderr]    Compiling tokio-io v0.1.5
[INFO] [stderr]    Compiling rusoto_core v0.31.0
[INFO] [stderr]    Compiling tokio-core v0.1.12
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling hyper-native-tls v0.2.4
[INFO] [stderr]    Compiling nickel v0.10.1
[INFO] [stderr]    Compiling hyper v0.11.18
[INFO] [stderr]    Compiling hyper-tls v0.1.2
[INFO] [stderr]    Compiling rusoto_credential v0.10.0
[INFO] [stderr]    Compiling rusoto_dynamodb v0.31.0
[INFO] [stderr]    Compiling hostname-service v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `MediaType`, `MiddlewareResult`, `Request`, `Response`
[INFO] [stderr]   --> src/main.rs:16:44
[INFO] [stderr]    |
[INFO] [stderr] 16 | use nickel::{Nickel, JsonBody, HttpRouter, Request, Response, MiddlewareResult, MediaType};
[INFO] [stderr]    |                                            ^^^^^^^  ^^^^^^^^  ^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Json`, `ToJson`
[INFO] [stderr]   --> src/main.rs:22:29
[INFO] [stderr]    |
[INFO] [stderr] 22 | use rustc_serialize::json::{Json, ToJson};
[INFO] [stderr]    |                             ^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Value`
[INFO] [stderr]   --> src/main.rs:23:25
[INFO] [stderr]    |
[INFO] [stderr] 23 | use serde_json::value::{Value};
[INFO] [stderr]    |                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Forbidden`
[INFO] [stderr]   --> src/main.rs:26:40
[INFO] [stderr]    |
[INFO] [stderr] 26 | use nickel::status::StatusCode::{self, Forbidden};
[INFO] [stderr]    |                                        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]   --> src/main.rs:34:39
[INFO] [stderr]    |
[INFO] [stderr] 34 |     router.get("/health", middleware! { |request, response|
[INFO] [stderr]    |                                          ^^^^^^^ help: consider prefixing with an underscore: `_request`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]   --> src/main.rs:38:38
[INFO] [stderr]    |
[INFO] [stderr] 38 |     router.get("/hosts", middleware! { |request, response|
[INFO] [stderr]    |                                         ^^^^^^^ help: consider prefixing with an underscore: `_request`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `itemAttr` should have a snake case name
[INFO] [stderr]   --> src/main.rs:55:15
[INFO] [stderr]    |
[INFO] [stderr] 55 |                                     Some(itemAttr) => {
[INFO] [stderr]    |                                          ^^^^^^^^ help: convert the identifier to snake case: `item_attr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:131:2
[INFO] [stderr]     |
[INFO] [stderr] 131 |     server.listen("0.0.0.0:9000");
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.10s
[INFO] running `"docker" "inspect" "91a27f6b3952cddec20bb968aa8ea13f839a9a5fc342a8d011ac7e85e49eea71"`
[INFO] running `"docker" "rm" "-f" "91a27f6b3952cddec20bb968aa8ea13f839a9a5fc342a8d011ac7e85e49eea71"`
[INFO] [stdout] 91a27f6b3952cddec20bb968aa8ea13f839a9a5fc342a8d011ac7e85e49eea71
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/rjulian/hostname-service:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] de76dcb25f85fabcbed8153e397b798985c4e2b6ce6c5e85a610bff311fe0907
[INFO] running `"docker" "start" "-a" "de76dcb25f85fabcbed8153e397b798985c4e2b6ce6c5e85a610bff311fe0907"`
[INFO] [stderr]    Compiling hostname-service v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `MediaType`, `MiddlewareResult`, `Request`, `Response`
[INFO] [stderr]   --> src/main.rs:16:44
[INFO] [stderr]    |
[INFO] [stderr] 16 | use nickel::{Nickel, JsonBody, HttpRouter, Request, Response, MiddlewareResult, MediaType};
[INFO] [stderr]    |                                            ^^^^^^^  ^^^^^^^^  ^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Json`, `ToJson`
[INFO] [stderr]   --> src/main.rs:22:29
[INFO] [stderr]    |
[INFO] [stderr] 22 | use rustc_serialize::json::{Json, ToJson};
[INFO] [stderr]    |                             ^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Value`
[INFO] [stderr]   --> src/main.rs:23:25
[INFO] [stderr]    |
[INFO] [stderr] 23 | use serde_json::value::{Value};
[INFO] [stderr]    |                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Forbidden`
[INFO] [stderr]   --> src/main.rs:26:40
[INFO] [stderr]    |
[INFO] [stderr] 26 | use nickel::status::StatusCode::{self, Forbidden};
[INFO] [stderr]    |                                        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]   --> src/main.rs:34:39
[INFO] [stderr]    |
[INFO] [stderr] 34 |     router.get("/health", middleware! { |request, response|
[INFO] [stderr]    |                                          ^^^^^^^ help: consider prefixing with an underscore: `_request`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]   --> src/main.rs:38:38
[INFO] [stderr]    |
[INFO] [stderr] 38 |     router.get("/hosts", middleware! { |request, response|
[INFO] [stderr]    |                                         ^^^^^^^ help: consider prefixing with an underscore: `_request`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `itemAttr` should have a snake case name
[INFO] [stderr]   --> src/main.rs:55:15
[INFO] [stderr]    |
[INFO] [stderr] 55 |                                     Some(itemAttr) => {
[INFO] [stderr]    |                                          ^^^^^^^^ help: convert the identifier to snake case: `item_attr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:131:2
[INFO] [stderr]     |
[INFO] [stderr] 131 |     server.listen("0.0.0.0:9000");
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `"docker" "inspect" "de76dcb25f85fabcbed8153e397b798985c4e2b6ce6c5e85a610bff311fe0907"`
[INFO] running `"docker" "rm" "-f" "de76dcb25f85fabcbed8153e397b798985c4e2b6ce6c5e85a610bff311fe0907"`
[INFO] [stdout] de76dcb25f85fabcbed8153e397b798985c4e2b6ce6c5e85a610bff311fe0907
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/rjulian/hostname-service:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 3956e340153f08fe4fefd09ff4c81c649371b5afb732e5cd34d83c3a8626e93f
[INFO] running `"docker" "start" "-a" "3956e340153f08fe4fefd09ff4c81c649371b5afb732e5cd34d83c3a8626e93f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hostname_service-59ad04929daead69
[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" "3956e340153f08fe4fefd09ff4c81c649371b5afb732e5cd34d83c3a8626e93f"`
[INFO] running `"docker" "rm" "-f" "3956e340153f08fe4fefd09ff4c81c649371b5afb732e5cd34d83c3a8626e93f"`
[INFO] [stdout] 3956e340153f08fe4fefd09ff4c81c649371b5afb732e5cd34d83c3a8626e93f