[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/beta-1.38-1/sources/1.37.0/gh/rjulian/hostname-service"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rjulian/hostname-service'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/rjulian/hostname-service" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rjulian/hostname-service"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of rjulian/hostname-service on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/rjulian/hostname-service/Cargo.toml [INFO] crate rjulian/hostname-service already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing rjulian/hostname-service against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 064c89a1aca57142442ccbe791fa8d530ef30344a84c9942aef99e635dd9699a [INFO] running `"docker" "start" "-a" "064c89a1aca57142442ccbe791fa8d530ef30344a84c9942aef99e635dd9699a"` [INFO] [stderr] Compiling libc v0.2.36 [INFO] [stderr] Compiling cc v1.0.4 [INFO] [stderr] Compiling openssl v0.9.23 [INFO] [stderr] Compiling futures v0.1.18 [INFO] [stderr] Compiling typenum v1.9.0 [INFO] [stderr] Compiling num-traits v0.1.42 [INFO] [stderr] Compiling serde v1.0.27 [INFO] [stderr] Compiling arrayref v0.3.4 [INFO] [stderr] Compiling groupable v0.2.0 [INFO] [stderr] Compiling modifier v0.1.0 [INFO] [stderr] Compiling base64 v0.9.0 [INFO] [stderr] Compiling semver v0.6.0 [INFO] [stderr] Compiling base64 v0.6.0 [INFO] [stderr] Compiling unsafe-any v0.4.2 [INFO] [stderr] Compiling block-buffer v0.3.3 [INFO] [stderr] Compiling xml-rs v0.7.0 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling net2 v0.2.31 [INFO] [stderr] Compiling rand v0.3.20 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling time v0.1.39 [INFO] [stderr] Compiling typemap v0.3.3 [INFO] [stderr] Compiling num-integer v0.1.35 [INFO] [stderr] Compiling mime v0.2.6 [INFO] [stderr] Compiling mustache v0.8.2 [INFO] [stderr] Compiling url v1.6.0 [INFO] [stderr] Compiling rustc_version v0.2.1 [INFO] [stderr] Compiling bytes v0.4.6 [INFO] [stderr] Compiling aho-corasick v0.6.4 [INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.6.0/src/form_urlencoded.rs:261:40 [INFO] [stderr] | [INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 260 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 261 | fn finish(self) -> &'a mut ::Url { self.url } [INFO] [stderr] | ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait [INFO] [stderr] | | [INFO] [stderr] | returning this value requires that `*self.url` is borrowed for `'a` [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Compiling mio v0.6.13 [INFO] [stderr] Compiling serde_derive_internals v0.19.0 [INFO] [stderr] Compiling num-iter v0.1.34 [INFO] [stderr] Compiling plugin v0.2.6 [INFO] [stderr] Compiling openssl-sys v0.9.24 [INFO] [stderr] Compiling rusoto_core v0.31.0 [INFO] [stderr] Compiling tokio-service v0.1.0 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling relay v0.1.1 [INFO] [stderr] Compiling tokio-io v0.1.5 [INFO] [stderr] Compiling num v0.1.41 [INFO] [stderr] Compiling regex v0.2.5 [INFO] [stderr] Compiling hyper v0.10.13 [INFO] [stderr] Compiling chrono v0.4.0 [INFO] [stderr] Compiling generic-array v0.9.0 [INFO] [stderr] Compiling tokio-core v0.1.12 [INFO] [stderr] Compiling digest v0.7.2 [INFO] [stderr] Compiling crypto-mac v0.5.2 [INFO] [stderr] Compiling serde_derive v1.0.27 [INFO] [stderr] Compiling sha2 v0.7.0 [INFO] [stderr] Compiling hmac v0.5.0 [INFO] [stderr] Compiling serde_json v1.0.9 [INFO] [stderr] Compiling tokio-proto v0.1.1 [INFO] [stderr] Compiling native-tls v0.1.5 [INFO] [stderr] Compiling hyper v0.11.18 [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-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 1m 19s [INFO] running `"docker" "inspect" "064c89a1aca57142442ccbe791fa8d530ef30344a84c9942aef99e635dd9699a"` [INFO] running `"docker" "rm" "-f" "064c89a1aca57142442ccbe791fa8d530ef30344a84c9942aef99e635dd9699a"` [INFO] [stdout] 064c89a1aca57142442ccbe791fa8d530ef30344a84c9942aef99e635dd9699a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 064a77fae660a924f9bb118d2eb8bf757de3dfcce2261aefee018893d7aa944a [INFO] running `"docker" "start" "-a" "064a77fae660a924f9bb118d2eb8bf757de3dfcce2261aefee018893d7aa944a"` [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 0.87s [INFO] running `"docker" "inspect" "064a77fae660a924f9bb118d2eb8bf757de3dfcce2261aefee018893d7aa944a"` [INFO] running `"docker" "rm" "-f" "064a77fae660a924f9bb118d2eb8bf757de3dfcce2261aefee018893d7aa944a"` [INFO] [stdout] 064a77fae660a924f9bb118d2eb8bf757de3dfcce2261aefee018893d7aa944a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] a7ccdf0d802dd20956315e01667258a424856016f8b1c17c002b7f4c55f51a52 [INFO] running `"docker" "start" "-a" "a7ccdf0d802dd20956315e01667258a424856016f8b1c17c002b7f4c55f51a52"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running /opt/crater/target/debug/deps/hostname_service-2d4c9f95a633ee44 [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" "a7ccdf0d802dd20956315e01667258a424856016f8b1c17c002b7f4c55f51a52"` [INFO] running `"docker" "rm" "-f" "a7ccdf0d802dd20956315e01667258a424856016f8b1c17c002b7f4c55f51a52"` [INFO] [stdout] a7ccdf0d802dd20956315e01667258a424856016f8b1c17c002b7f4c55f51a52