[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/beta-1.37-6/sources/1.36.0/gh/Geal/grad"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Geal/grad'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Geal/grad" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Geal/grad"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Geal/grad on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/gh/Geal/grad/Cargo.toml [INFO] crate Geal/grad already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing Geal/grad against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=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-2019-07-23" "build" "--frozen"` [INFO] [stdout] 33df9f0eede5b6db26305d4eb93dae69d8a3d7376e549417fc7532965a9fee6c [INFO] running `"docker" "start" "-a" "33df9f0eede5b6db26305d4eb93dae69d8a3d7376e549417fc7532965a9fee6c"` [INFO] [stderr] Compiling serde v1.0.75 [INFO] [stderr] Compiling regex v1.0.4 [INFO] [stderr] Compiling termcolor v1.0.2 [INFO] [stderr] Compiling utf-8 v0.7.4 [INFO] [stderr] Compiling urlencoding v1.0.0 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling unicase v2.1.0 [INFO] [stderr] Compiling memchr v2.0.2 [INFO] [stderr] Compiling base64 v0.9.2 [INFO] [stderr] Compiling want v0.0.6 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling aho-corasick v0.6.8 [INFO] [stderr] Compiling nom v4.0.0 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling parking_lot_core v0.2.14 [INFO] [stderr] Compiling http v0.1.10 [INFO] [stderr] Compiling input_buffer v0.2.0 [INFO] [stderr] Compiling digest v0.7.5 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling sha-1 v0.7.0 [INFO] [stderr] Compiling phf_shared v0.7.23 [INFO] [stderr] Compiling parking_lot v0.6.3 [INFO] [stderr] Compiling tungstenite v0.6.0 [INFO] [stderr] Compiling mime v0.3.9 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Compiling phf v0.7.23 [INFO] [stderr] Compiling tokio-reactor v0.1.4 [INFO] [stderr] Compiling phf_codegen v0.7.23 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Compiling h2 v0.1.12 [INFO] [stderr] Compiling tokio-udp v0.1.2 [INFO] [stderr] Compiling tokio-tcp v0.1.1 [INFO] [stderr] Compiling tokio-uds v0.2.1 [INFO] [stderr] Compiling tokio v0.1.8 [INFO] [stderr] Compiling serde_derive v1.0.75 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling hyper v0.12.8 [INFO] [stderr] Compiling pretty_env_logger v0.2.4 [INFO] [stderr] Compiling serde_urlencoded v0.5.3 [INFO] [stderr] Compiling serde_json v1.0.26 [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: variable does not need to be mutable [INFO] [stderr] --> src/metrics/mod.rs:44:15 [INFO] [stderr] | [INFO] [stderr] 44 | let mut agg = SumAggregator::from( [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/metrics/mod.rs:61:15 [INFO] [stderr] | [INFO] [stderr] 61 | let mut agg = MeanAggregator::from( [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [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 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 `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 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 `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 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] Finished dev [unoptimized + debuginfo] target(s) in 1m 37s [INFO] running `"docker" "inspect" "33df9f0eede5b6db26305d4eb93dae69d8a3d7376e549417fc7532965a9fee6c"` [INFO] running `"docker" "rm" "-f" "33df9f0eede5b6db26305d4eb93dae69d8a3d7376e549417fc7532965a9fee6c"` [INFO] [stdout] 33df9f0eede5b6db26305d4eb93dae69d8a3d7376e549417fc7532965a9fee6c [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=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-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] 524281577b2ce4a748c2b622f32b0e2546cf0e4f219c9be0134db3a5a9c4aa0d [INFO] running `"docker" "start" "-a" "524281577b2ce4a748c2b622f32b0e2546cf0e4f219c9be0134db3a5a9c4aa0d"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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: variable does not need to be mutable [INFO] [stderr] --> src/metrics/mod.rs:44:15 [INFO] [stderr] | [INFO] [stderr] 44 | let mut agg = SumAggregator::from( [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/metrics/mod.rs:61:15 [INFO] [stderr] | [INFO] [stderr] 61 | let mut agg = MeanAggregator::from( [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [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 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 `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 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 `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 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] Finished dev [unoptimized + debuginfo] target(s) in 2.65s [INFO] running `"docker" "inspect" "524281577b2ce4a748c2b622f32b0e2546cf0e4f219c9be0134db3a5a9c4aa0d"` [INFO] running `"docker" "rm" "-f" "524281577b2ce4a748c2b622f32b0e2546cf0e4f219c9be0134db3a5a9c4aa0d"` [INFO] [stdout] 524281577b2ce4a748c2b622f32b0e2546cf0e4f219c9be0134db3a5a9c4aa0d [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=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-2019-07-23" "test" "--frozen"` [INFO] [stdout] c0c86b07503d10098e8629519db84776fbc2226eb908d12cf3da38f0e7a371e1 [INFO] running `"docker" "start" "-a" "c0c86b07503d10098e8629519db84776fbc2226eb908d12cf3da38f0e7a371e1"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.18s [INFO] [stderr] Running /opt/crater/target/debug/deps/grad-c881538a2264868c [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" "c0c86b07503d10098e8629519db84776fbc2226eb908d12cf3da38f0e7a371e1"` [INFO] running `"docker" "rm" "-f" "c0c86b07503d10098e8629519db84776fbc2226eb908d12cf3da38f0e7a371e1"` [INFO] [stdout] c0c86b07503d10098e8629519db84776fbc2226eb908d12cf3da38f0e7a371e1