[INFO] updating cached repository Geal/grad [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Geal/grad [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Geal/grad" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Geal/grad"` [INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Geal/grad'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Geal/grad" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Geal/grad"` [INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Geal/grad'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 995c8051062e924283d41bf79c65aa244c376a22 [INFO] sha for GitHub repo Geal/grad: 995c8051062e924283d41bf79c65aa244c376a22 [INFO] validating manifest of Geal/grad 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 Geal/grad 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 Geal/grad [INFO] finished frobbing Geal/grad [INFO] frobbed toml for Geal/grad written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Geal/grad/Cargo.toml [INFO] started frobbing Geal/grad [INFO] finished frobbing Geal/grad [INFO] frobbed toml for Geal/grad written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Geal/grad/Cargo.toml [INFO] crate Geal/grad 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 Geal/grad against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Geal/grad:/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] 2d89962b775b9e771f53442b85072942ea5043fe83fff6e30fe3e5557dc0dc50 [INFO] running `"docker" "start" "-a" "2d89962b775b9e771f53442b85072942ea5043fe83fff6e30fe3e5557dc0dc50"` [INFO] [stderr] Compiling nom v4.0.0 [INFO] [stderr] Compiling input_buffer v0.2.0 [INFO] [stderr] Compiling h2 v0.1.12 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling tungstenite v0.6.0 [INFO] [stderr] Compiling pretty_env_logger v0.2.4 [INFO] [stderr] Compiling hyper v0.12.8 [INFO] [stderr] Compiling warp v0.1.2 [INFO] [stderr] Compiling grad v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `Response`, `StatusCode` [INFO] [stderr] --> src/main.rs:19:18 [INFO] [stderr] | [INFO] [stderr] 19 | use warp::http::{Response,StatusCode}; [INFO] [stderr] | ^^^^^^^^ ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around method argument [INFO] [stderr] --> src/main.rs:87:29 [INFO] [stderr] | [INFO] [stderr] 87 | warp::serve(routes).run((server)); [INFO] [stderr] | ^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `NoneAggregator` [INFO] [stderr] --> src/metrics/mod.rs:172:1 [INFO] [stderr] | [INFO] [stderr] 172 | pub struct NoneAggregator> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `from` [INFO] [stderr] --> src/metrics/mod.rs:177:3 [INFO] [stderr] | [INFO] [stderr] 177 | pub fn from(iterator: T) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `send_test` [INFO] [stderr] --> src/main.rs:90:1 [INFO] [stderr] | [INFO] [stderr] 90 | fn send_test() -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:125:3 [INFO] [stderr] | [INFO] [stderr] 125 | write!(&mut s, "{} series, {} values\n", state.series.keys().count(), state.counter); [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] = note: this error 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 `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:128:7 [INFO] [stderr] | [INFO] [stderr] 128 | write!(&mut s, "\n{}[{}]: {:?}", key, count, metric_type); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error 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 `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:130:9 [INFO] [stderr] | [INFO] [stderr] 130 | write!(&mut s, ", {}={}", tag.key, tag.value); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error 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] Finished dev [unoptimized + debuginfo] target(s) in 36.17s [INFO] running `"docker" "inspect" "2d89962b775b9e771f53442b85072942ea5043fe83fff6e30fe3e5557dc0dc50"` [INFO] running `"docker" "rm" "-f" "2d89962b775b9e771f53442b85072942ea5043fe83fff6e30fe3e5557dc0dc50"` [INFO] [stdout] 2d89962b775b9e771f53442b85072942ea5043fe83fff6e30fe3e5557dc0dc50 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Geal/grad:/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] 6b5f4c9c4000743fbaf720cf57ba14c28aeeadd864fc5a5d7dcfcc2586fa4c84 [INFO] running `"docker" "start" "-a" "6b5f4c9c4000743fbaf720cf57ba14c28aeeadd864fc5a5d7dcfcc2586fa4c84"` [INFO] [stderr] Compiling grad v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `Response`, `StatusCode` [INFO] [stderr] --> src/main.rs:19:18 [INFO] [stderr] | [INFO] [stderr] 19 | use warp::http::{Response,StatusCode}; [INFO] [stderr] | ^^^^^^^^ ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around method argument [INFO] [stderr] --> src/main.rs:87:29 [INFO] [stderr] | [INFO] [stderr] 87 | warp::serve(routes).run((server)); [INFO] [stderr] | ^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `NoneAggregator` [INFO] [stderr] --> src/metrics/mod.rs:172:1 [INFO] [stderr] | [INFO] [stderr] 172 | pub struct NoneAggregator> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `from` [INFO] [stderr] --> src/metrics/mod.rs:177:3 [INFO] [stderr] | [INFO] [stderr] 177 | pub fn from(iterator: T) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `send_test` [INFO] [stderr] --> src/main.rs:90:1 [INFO] [stderr] | [INFO] [stderr] 90 | fn send_test() -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:125:3 [INFO] [stderr] | [INFO] [stderr] 125 | write!(&mut s, "{} series, {} values\n", state.series.keys().count(), state.counter); [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] = note: this error 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 `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:128:7 [INFO] [stderr] | [INFO] [stderr] 128 | write!(&mut s, "\n{}[{}]: {:?}", key, count, metric_type); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error 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 `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:130:9 [INFO] [stderr] | [INFO] [stderr] 130 | write!(&mut s, ", {}={}", tag.key, tag.value); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error 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] Finished dev [unoptimized + debuginfo] target(s) in 2.85s [INFO] running `"docker" "inspect" "6b5f4c9c4000743fbaf720cf57ba14c28aeeadd864fc5a5d7dcfcc2586fa4c84"` [INFO] running `"docker" "rm" "-f" "6b5f4c9c4000743fbaf720cf57ba14c28aeeadd864fc5a5d7dcfcc2586fa4c84"` [INFO] [stdout] 6b5f4c9c4000743fbaf720cf57ba14c28aeeadd864fc5a5d7dcfcc2586fa4c84 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Geal/grad:/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] b5d6d3d1cba0bc549fe4b11a7b4e9027c4b6bd9fb4aa8302137840e79e63d98a [INFO] running `"docker" "start" "-a" "b5d6d3d1cba0bc549fe4b11a7b4e9027c4b6bd9fb4aa8302137840e79e63d98a"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.18s [INFO] [stderr] Running /opt/crater/target/debug/deps/grad-9dcf24876440157f [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" "b5d6d3d1cba0bc549fe4b11a7b4e9027c4b6bd9fb4aa8302137840e79e63d98a"` [INFO] running `"docker" "rm" "-f" "b5d6d3d1cba0bc549fe4b11a7b4e9027c4b6bd9fb4aa8302137840e79e63d98a"` [INFO] [stdout] b5d6d3d1cba0bc549fe4b11a7b4e9027c4b6bd9fb4aa8302137840e79e63d98a