[INFO] updating cached repository karuna/hangar [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/karuna/hangar [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/karuna/hangar" "work/ex/beta-1.38-1/sources/1.37.0/gh/karuna/hangar"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/karuna/hangar'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/karuna/hangar" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/karuna/hangar"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/karuna/hangar'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f5ac697b9301d6f4f646fecc49849a2b354d4ddf [INFO] sha for GitHub repo karuna/hangar: f5ac697b9301d6f4f646fecc49849a2b354d4ddf [INFO] validating manifest of karuna/hangar 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 karuna/hangar 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 karuna/hangar [INFO] finished frobbing karuna/hangar [INFO] frobbed toml for karuna/hangar written to work/ex/beta-1.38-1/sources/1.37.0/gh/karuna/hangar/Cargo.toml [INFO] started frobbing karuna/hangar [INFO] finished frobbing karuna/hangar [INFO] frobbed toml for karuna/hangar written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/karuna/hangar/Cargo.toml [INFO] crate karuna/hangar 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing karuna/hangar 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/karuna/hangar:/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] 13c5f3571f38896612a6efd911c36779aa4a73df30126128fe7ec4106404f86a [INFO] running `"docker" "start" "-a" "13c5f3571f38896612a6efd911c36779aa4a73df30126128fe7ec4106404f86a"` [INFO] [stderr] Compiling cc v1.0.6 [INFO] [stderr] Compiling serde v1.0.29 [INFO] [stderr] Compiling time v0.1.39 [INFO] [stderr] Compiling regex-syntax v0.5.0 [INFO] [stderr] Compiling serde_json v0.9.10 [INFO] [stderr] Compiling serde_codegen_internals v0.14.2 [INFO] [stderr] Compiling pest_derive v1.0.6 [INFO] [stderr] Compiling clap v2.31.1 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling url v1.7.0 [INFO] [stderr] Compiling chrono v0.4.0 [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-1.7.0/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 serde_derive v0.9.15 [INFO] [stderr] Compiling backtrace-sys v0.1.16 [INFO] [stderr] Compiling regex v0.2.7 [INFO] [stderr] Compiling cargo_metadata v0.1.2 [INFO] [stderr] Compiling serde_json v1.0.11 [INFO] [stderr] Compiling backtrace v0.3.5 [INFO] [stderr] Compiling error-chain v0.11.0 [INFO] [stderr] Compiling cargo-shim v0.1.5 [INFO] [stderr] Compiling tera v0.11.5 [INFO] [stderr] Compiling hangar v0.0.4 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `matches` [INFO] [stderr] --> src/main.rs:37:54 [INFO] [stderr] | [INFO] [stderr] 37 | let result: Result = if let Some(matches) = matches.subcommand_matches("build") [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_matches` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `matches` [INFO] [stderr] --> src/main.rs:40:24 [INFO] [stderr] | [INFO] [stderr] 40 | } else if let Some(matches) = matches.subcommand_matches("db") { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_matches` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `matches` [INFO] [stderr] --> src/main.rs:44:24 [INFO] [stderr] | [INFO] [stderr] 44 | } else if let Some(matches) = matches.subcommand_matches("run") { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_matches` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/generator/mod.rs:125:9 [INFO] [stderr] | [INFO] [stderr] 125 | tera.add_raw_template(var_template_name, var_template_value); [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 36s [INFO] running `"docker" "inspect" "13c5f3571f38896612a6efd911c36779aa4a73df30126128fe7ec4106404f86a"` [INFO] running `"docker" "rm" "-f" "13c5f3571f38896612a6efd911c36779aa4a73df30126128fe7ec4106404f86a"` [INFO] [stdout] 13c5f3571f38896612a6efd911c36779aa4a73df30126128fe7ec4106404f86a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/karuna/hangar:/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] 1d1c8191595d73558746c2401f3126e7441bf913fce682bccd93fb19df042eb2 [INFO] running `"docker" "start" "-a" "1d1c8191595d73558746c2401f3126e7441bf913fce682bccd93fb19df042eb2"` [INFO] [stderr] Compiling hangar v0.0.4 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `matches` [INFO] [stderr] --> src/main.rs:37:54 [INFO] [stderr] | [INFO] [stderr] 37 | let result: Result = if let Some(matches) = matches.subcommand_matches("build") [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_matches` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `matches` [INFO] [stderr] --> src/main.rs:40:24 [INFO] [stderr] | [INFO] [stderr] 40 | } else if let Some(matches) = matches.subcommand_matches("db") { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_matches` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `matches` [INFO] [stderr] --> src/main.rs:44:24 [INFO] [stderr] | [INFO] [stderr] 44 | } else if let Some(matches) = matches.subcommand_matches("run") { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_matches` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/generator/mod.rs:125:9 [INFO] [stderr] | [INFO] [stderr] 125 | tera.add_raw_template(var_template_name, var_template_value); [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 1.10s [INFO] running `"docker" "inspect" "1d1c8191595d73558746c2401f3126e7441bf913fce682bccd93fb19df042eb2"` [INFO] running `"docker" "rm" "-f" "1d1c8191595d73558746c2401f3126e7441bf913fce682bccd93fb19df042eb2"` [INFO] [stdout] 1d1c8191595d73558746c2401f3126e7441bf913fce682bccd93fb19df042eb2 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/karuna/hangar:/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] 12da80576d35f049c490fd2edfdfc9898f9cad16a3c8a0cce4a364a88cd312b1 [INFO] running `"docker" "start" "-a" "12da80576d35f049c490fd2edfdfc9898f9cad16a3c8a0cce4a364a88cd312b1"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running /opt/crater/target/debug/deps/hangar-4a16beecb348a2d5 [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" "12da80576d35f049c490fd2edfdfc9898f9cad16a3c8a0cce4a364a88cd312b1"` [INFO] running `"docker" "rm" "-f" "12da80576d35f049c490fd2edfdfc9898f9cad16a3c8a0cce4a364a88cd312b1"` [INFO] [stdout] 12da80576d35f049c490fd2edfdfc9898f9cad16a3c8a0cce4a364a88cd312b1