[INFO] updating cached repository unleashed/threescale-api
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/unleashed/threescale-api
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/unleashed/threescale-api" "work/ex/beta-1.38-1/sources/1.37.0/gh/unleashed/threescale-api"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/unleashed/threescale-api'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/unleashed/threescale-api" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/unleashed/threescale-api"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/unleashed/threescale-api'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6d7ebf3fe9eefa528e0b0e73d53cb8efb0b9b2ac
[INFO] sha for GitHub repo unleashed/threescale-api: 6d7ebf3fe9eefa528e0b0e73d53cb8efb0b9b2ac
[INFO] validating manifest of unleashed/threescale-api 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 unleashed/threescale-api 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 unleashed/threescale-api
[INFO] finished frobbing unleashed/threescale-api
[INFO] frobbed toml for unleashed/threescale-api written to work/ex/beta-1.38-1/sources/1.37.0/gh/unleashed/threescale-api/Cargo.toml
[INFO] started frobbing unleashed/threescale-api
[INFO] finished frobbing unleashed/threescale-api
[INFO] frobbed toml for unleashed/threescale-api written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/unleashed/threescale-api/Cargo.toml
[INFO] crate unleashed/threescale-api 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 unleashed/threescale-api against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/unleashed/threescale-api:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] ab28d9db8a21a1e63ffbe4485daa34490ebfb58fe6f34f59b8e81229886760a9
[INFO] running `"docker" "start" "-a" "ab28d9db8a21a1e63ffbe4485daa34490ebfb58fe6f34f59b8e81229886760a9"`
[INFO] [stderr]    Compiling openssl v0.9.12
[INFO] [stderr]    Compiling vec_map v0.7.0
[INFO] [stderr]    Compiling serde v1.0.6
[INFO] [stderr]    Compiling openssl-sys v0.9.12
[INFO] [stderr]    Compiling iovec v0.1.0
[INFO] [stderr]    Compiling net2 v0.2.29
[INFO] [stderr]    Compiling mime v0.2.4
[INFO] [stderr]    Compiling futures-cpupool v0.1.5
[INFO] [stderr]    Compiling unicase v2.0.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]    Compiling bytes v0.4.3
[INFO] [stderr]    Compiling mio v0.6.7
[INFO] [stderr]    Compiling clap v2.24.1
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling url v1.4.0
[INFO] [stderr]    Compiling serde_derive_internals v0.15.0
[INFO] [stderr]    Compiling tokio-io v0.1.1
[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-1.4.0/src/form_urlencoded.rs:246:40
[INFO] [stderr]     |
[INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 246 |     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 error-chain v0.10.0
[INFO] [stderr]    Compiling tokio-core v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.6
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling hyper v0.11.0-a.0 (https://github.com/hyperium/hyper#33eb8f95)
[INFO] [stderr]    Compiling native-tls v0.1.2
[INFO] [stderr]    Compiling tokio-tls v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.2
[INFO] [stderr]    Compiling hyper-tls v0.0.0 (https://github.com/hyperium/hyper-tls#62e33767)
[INFO] [stderr]    Compiling threescale-api v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `SubCommand`
[INFO] [stderr]  --> src/cli/mod.rs:3:34
[INFO] [stderr]   |
[INFO] [stderr] 3 | use clap::{App, Arg, ArgMatches, SubCommand};
[INFO] [stderr]   |                                  ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::subcommands::*`
[INFO] [stderr]  --> src/cli/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use self::subcommands::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `service::Service`
[INFO] [stderr]  --> src/cli/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use service::Service;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:4:1
[INFO] [stderr]    |
[INFO] [stderr] 4  | / error_chain! {
[INFO] [stderr] 5  | |     foreign_links {
[INFO] [stderr] 6  | |         Hyper(hyper::Error);
[INFO] [stderr] 7  | |         HyperUri(hyper::error::UriError);
[INFO] [stderr] ...  |
[INFO] [stderr] 15 | |     }
[INFO] [stderr] 16 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:4:1
[INFO] [stderr]    |
[INFO] [stderr] 4  | / error_chain! {
[INFO] [stderr] 5  | |     foreign_links {
[INFO] [stderr] 6  | |         Hyper(hyper::Error);
[INFO] [stderr] 7  | |         HyperUri(hyper::error::UriError);
[INFO] [stderr] ...  |
[INFO] [stderr] 15 | |     }
[INFO] [stderr] 16 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/response.rs:15:32
[INFO] [stderr]    |
[INFO] [stderr] 15 |             Response::Auth(ref s) => write!(f, "auth -> Auth::Display to be implemented"),
[INFO] [stderr]    |                                ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/response.rs:16:34
[INFO] [stderr]    |
[INFO] [stderr] 16 |             Response::Report(ref s) => write!(f, "report -> Report::Display to be implemented")
[INFO] [stderr]    |                                  ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_str`
[INFO] [stderr]   --> src/service/credentials.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn as_str(&self) -> &str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_token`
[INFO] [stderr]   --> src/service/credentials.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn is_token(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_key`
[INFO] [stderr]   --> src/service/credentials.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn is_key(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `token`
[INFO] [stderr]   --> src/service/credentials.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn token(&self) -> Option<&str> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `key`
[INFO] [stderr]   --> src/service/credentials.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn key(&self) -> Option<&str> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `token_or`
[INFO] [stderr]   --> src/service/credentials.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 | /     pub fn token_or<'a, 'b>(&'a self, def: &'b str) -> &'a str
[INFO] [stderr] 79 | |     where 'b: 'a {
[INFO] [stderr] 80 | |         self.token().unwrap_or(def)
[INFO] [stderr] 81 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `token_or_else`
[INFO] [stderr]   --> src/service/credentials.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn token_or_else<'a, F: FnOnce() -> &'a str>(&'a self, f: F)  -> &str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `key_or`
[INFO] [stderr]   --> src/service/credentials.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 | /     pub fn key_or<'a, 'b>(&'a self, def: &'b str) -> &'a str
[INFO] [stderr] 90 | |     where 'b: 'a {
[INFO] [stderr] 91 | |         self.key().unwrap_or(def)
[INFO] [stderr] 92 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `key_or_else`
[INFO] [stderr]   --> src/service/credentials.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn key_or_else<'a, F: FnOnce() -> &'a str>(&'a self, f: F)  -> &str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `id`
[INFO] [stderr]   --> src/service/mod.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn id(&self) -> &str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `credentials`
[INFO] [stderr]   --> src/service/mod.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn credentials(&self) -> &'cred Credentials {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `"docker" "inspect" "ab28d9db8a21a1e63ffbe4485daa34490ebfb58fe6f34f59b8e81229886760a9"`
[INFO] running `"docker" "rm" "-f" "ab28d9db8a21a1e63ffbe4485daa34490ebfb58fe6f34f59b8e81229886760a9"`
[INFO] [stdout] ab28d9db8a21a1e63ffbe4485daa34490ebfb58fe6f34f59b8e81229886760a9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/unleashed/threescale-api:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1a5635d65dda58b5173d8f0c0daae82627b29d7ad944cb71d348ef8bc25d7557
[INFO] running `"docker" "start" "-a" "1a5635d65dda58b5173d8f0c0daae82627b29d7ad944cb71d348ef8bc25d7557"`
[INFO] [stderr]    Compiling threescale-api v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `SubCommand`
[INFO] [stderr]  --> src/cli/mod.rs:3:34
[INFO] [stderr]   |
[INFO] [stderr] 3 | use clap::{App, Arg, ArgMatches, SubCommand};
[INFO] [stderr]   |                                  ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::subcommands::*`
[INFO] [stderr]  --> src/cli/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use self::subcommands::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `service::Service`
[INFO] [stderr]  --> src/cli/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use service::Service;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:4:1
[INFO] [stderr]    |
[INFO] [stderr] 4  | / error_chain! {
[INFO] [stderr] 5  | |     foreign_links {
[INFO] [stderr] 6  | |         Hyper(hyper::Error);
[INFO] [stderr] 7  | |         HyperUri(hyper::error::UriError);
[INFO] [stderr] ...  |
[INFO] [stderr] 15 | |     }
[INFO] [stderr] 16 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:4:1
[INFO] [stderr]    |
[INFO] [stderr] 4  | / error_chain! {
[INFO] [stderr] 5  | |     foreign_links {
[INFO] [stderr] 6  | |         Hyper(hyper::Error);
[INFO] [stderr] 7  | |         HyperUri(hyper::error::UriError);
[INFO] [stderr] ...  |
[INFO] [stderr] 15 | |     }
[INFO] [stderr] 16 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/response.rs:15:32
[INFO] [stderr]    |
[INFO] [stderr] 15 |             Response::Auth(ref s) => write!(f, "auth -> Auth::Display to be implemented"),
[INFO] [stderr]    |                                ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/response.rs:16:34
[INFO] [stderr]    |
[INFO] [stderr] 16 |             Response::Report(ref s) => write!(f, "report -> Report::Display to be implemented")
[INFO] [stderr]    |                                  ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_token`
[INFO] [stderr]   --> src/service/credentials.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn is_token(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_key`
[INFO] [stderr]   --> src/service/credentials.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn is_key(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `token`
[INFO] [stderr]   --> src/service/credentials.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn token(&self) -> Option<&str> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `key`
[INFO] [stderr]   --> src/service/credentials.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn key(&self) -> Option<&str> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `token_or`
[INFO] [stderr]   --> src/service/credentials.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 | /     pub fn token_or<'a, 'b>(&'a self, def: &'b str) -> &'a str
[INFO] [stderr] 79 | |     where 'b: 'a {
[INFO] [stderr] 80 | |         self.token().unwrap_or(def)
[INFO] [stderr] 81 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `token_or_else`
[INFO] [stderr]   --> src/service/credentials.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn token_or_else<'a, F: FnOnce() -> &'a str>(&'a self, f: F)  -> &str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `key_or`
[INFO] [stderr]   --> src/service/credentials.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 | /     pub fn key_or<'a, 'b>(&'a self, def: &'b str) -> &'a str
[INFO] [stderr] 90 | |     where 'b: 'a {
[INFO] [stderr] 91 | |         self.key().unwrap_or(def)
[INFO] [stderr] 92 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `key_or_else`
[INFO] [stderr]   --> src/service/credentials.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn key_or_else<'a, F: FnOnce() -> &'a str>(&'a self, f: F)  -> &str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `id`
[INFO] [stderr]   --> src/service/mod.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn id(&self) -> &str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `credentials`
[INFO] [stderr]   --> src/service/mod.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn credentials(&self) -> &'cred Credentials {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `"docker" "inspect" "1a5635d65dda58b5173d8f0c0daae82627b29d7ad944cb71d348ef8bc25d7557"`
[INFO] running `"docker" "rm" "-f" "1a5635d65dda58b5173d8f0c0daae82627b29d7ad944cb71d348ef8bc25d7557"`
[INFO] [stdout] 1a5635d65dda58b5173d8f0c0daae82627b29d7ad944cb71d348ef8bc25d7557
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/unleashed/threescale-api:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] d8f2b394ab8d7ca22f7fcd34c4fd6db7477c77061f16364001b0186800d9621c
[INFO] running `"docker" "start" "-a" "d8f2b394ab8d7ca22f7fcd34c4fd6db7477c77061f16364001b0186800d9621c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/threescalers-1a4ae3c2347ed448
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test service::credentials::tests::can_get_as_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/threescale_rs-e57610a522734fe8
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test service::credentials::tests::can_get_as_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/credentials_tests-1a1f5a76729ae460
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test can_get_as_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests threescalers
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/service/mod.rs - service::Service::new (line 25) ... ok
[INFO] [stdout] test src/service/credentials.rs - service::credentials::Credentials::from_key (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d8f2b394ab8d7ca22f7fcd34c4fd6db7477c77061f16364001b0186800d9621c"`
[INFO] running `"docker" "rm" "-f" "d8f2b394ab8d7ca22f7fcd34c4fd6db7477c77061f16364001b0186800d9621c"`
[INFO] [stdout] d8f2b394ab8d7ca22f7fcd34c4fd6db7477c77061f16364001b0186800d9621c