[INFO] updating cached repository ali-raheem/bestmixer_rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/ali-raheem/bestmixer_rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/ali-raheem/bestmixer_rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/ali-raheem/bestmixer_rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ali-raheem/bestmixer_rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ali-raheem/bestmixer_rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ali-raheem/bestmixer_rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ali-raheem/bestmixer_rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 75a3e8f03e195aa736bd224b6199bb0b46852eb8 [INFO] sha for GitHub repo ali-raheem/bestmixer_rs: 75a3e8f03e195aa736bd224b6199bb0b46852eb8 [INFO] validating manifest of ali-raheem/bestmixer_rs 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 ali-raheem/bestmixer_rs 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 ali-raheem/bestmixer_rs [INFO] finished frobbing ali-raheem/bestmixer_rs [INFO] frobbed toml for ali-raheem/bestmixer_rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/ali-raheem/bestmixer_rs/Cargo.toml [INFO] started frobbing ali-raheem/bestmixer_rs [INFO] finished frobbing ali-raheem/bestmixer_rs [INFO] frobbed toml for ali-raheem/bestmixer_rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ali-raheem/bestmixer_rs/Cargo.toml [INFO] crate ali-raheem/bestmixer_rs 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 ali-raheem/bestmixer_rs 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ali-raheem/bestmixer_rs:/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] 140b36575132fdbc99156f42d91ea99bb46d00d49ced38f74ac7a379267de89e [INFO] running `"docker" "start" "-a" "140b36575132fdbc99156f42d91ea99bb46d00d49ced38f74ac7a379267de89e"` [INFO] [stderr] Compiling openssl v0.10.15 [INFO] [stderr] Compiling build_const v0.2.1 [INFO] [stderr] Compiling encoding_rs v0.8.10 [INFO] [stderr] Compiling crossbeam-utils v0.6.1 [INFO] [stderr] Compiling arrayvec v0.4.7 [INFO] [stderr] Compiling openssl-sys v0.9.39 [INFO] [stderr] Compiling uuid v0.7.1 [INFO] [stderr] Compiling serde_json v1.0.33 [INFO] [stderr] Compiling serde_urlencoded v0.5.3 [INFO] [stderr] Compiling tokio-reactor v0.1.6 [INFO] [stderr] Compiling crc v1.8.1 [INFO] [stderr] Compiling crossbeam-epoch v0.6.1 [INFO] [stderr] Compiling libflate v0.1.18 [INFO] [stderr] Compiling native-tls v0.2.2 [INFO] [stderr] Compiling crossbeam-deque v0.6.2 [INFO] [stderr] Compiling tokio-threadpool v0.1.8 [INFO] [stderr] Compiling tokio-tcp v0.1.2 [INFO] [stderr] Compiling tokio-udp v0.1.2 [INFO] [stderr] Compiling tokio-uds v0.2.3 [INFO] [stderr] Compiling tokio-fs v0.1.4 [INFO] [stderr] Compiling tokio v0.1.11 [INFO] [stderr] Compiling hyper v0.12.14 [INFO] [stderr] Compiling hyper-tls v0.3.1 [INFO] [stderr] Compiling reqwest v0.9.5 [INFO] [stderr] Compiling bestmixer_rs v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:33:13 [INFO] [stderr] | [INFO] [stderr] 33 | let mut response = client.post(&url).json(&map).send(); [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/main.rs:57:13 [INFO] [stderr] | [INFO] [stderr] 57 | let mut response = client.post(&url) [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `proxy` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | proxy: String, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `use_proxy` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use_proxy: bool, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `use_tor` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use_tor: bool [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:88:9 [INFO] [stderr] | [INFO] [stderr] 88 | / write!(f, r#"{{"api_key": "{}", "coin": "{}", "fee": {}, "output": "#, [INFO] [stderr] 89 | | self.api_key, self.coin, self.fee); [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:90:9 [INFO] [stderr] | [INFO] [stderr] 90 | write!(f, "["); [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:92:13 [INFO] [stderr] | [INFO] [stderr] 92 | write!(f, "{}", o); [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:94:9 [INFO] [stderr] | [INFO] [stderr] 94 | write!(f, "]"); [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 03s [INFO] running `"docker" "inspect" "140b36575132fdbc99156f42d91ea99bb46d00d49ced38f74ac7a379267de89e"` [INFO] running `"docker" "rm" "-f" "140b36575132fdbc99156f42d91ea99bb46d00d49ced38f74ac7a379267de89e"` [INFO] [stdout] 140b36575132fdbc99156f42d91ea99bb46d00d49ced38f74ac7a379267de89e [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ali-raheem/bestmixer_rs:/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] 43a1cd7f0efe019058928a6fb9d2e426f06e0037ba948c3156eaf8f38d22c5fb [INFO] running `"docker" "start" "-a" "43a1cd7f0efe019058928a6fb9d2e426f06e0037ba948c3156eaf8f38d22c5fb"` [INFO] [stderr] Compiling bestmixer_rs v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:33:13 [INFO] [stderr] | [INFO] [stderr] 33 | let mut response = client.post(&url).json(&map).send(); [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/main.rs:57:13 [INFO] [stderr] | [INFO] [stderr] 57 | let mut response = client.post(&url) [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `proxy` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | proxy: String, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `use_proxy` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use_proxy: bool, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `use_tor` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use_tor: bool [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:88:9 [INFO] [stderr] | [INFO] [stderr] 88 | / write!(f, r#"{{"api_key": "{}", "coin": "{}", "fee": {}, "output": "#, [INFO] [stderr] 89 | | self.api_key, self.coin, self.fee); [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:90:9 [INFO] [stderr] | [INFO] [stderr] 90 | write!(f, "["); [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:92:13 [INFO] [stderr] | [INFO] [stderr] 92 | write!(f, "{}", o); [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:94:9 [INFO] [stderr] | [INFO] [stderr] 94 | write!(f, "]"); [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 1.09s [INFO] running `"docker" "inspect" "43a1cd7f0efe019058928a6fb9d2e426f06e0037ba948c3156eaf8f38d22c5fb"` [INFO] running `"docker" "rm" "-f" "43a1cd7f0efe019058928a6fb9d2e426f06e0037ba948c3156eaf8f38d22c5fb"` [INFO] [stdout] 43a1cd7f0efe019058928a6fb9d2e426f06e0037ba948c3156eaf8f38d22c5fb [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ali-raheem/bestmixer_rs:/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] 499ad11539b186bc6597b109412c6511ad7a2eaaa67ae423c9113414cfa8039f [INFO] running `"docker" "start" "-a" "499ad11539b186bc6597b109412c6511ad7a2eaaa67ae423c9113414cfa8039f"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.16s [INFO] [stderr] Running /opt/crater/target/debug/deps/bestmixer_rs-4712e8869c48ace8 [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" "499ad11539b186bc6597b109412c6511ad7a2eaaa67ae423c9113414cfa8039f"` [INFO] running `"docker" "rm" "-f" "499ad11539b186bc6597b109412c6511ad7a2eaaa67ae423c9113414cfa8039f"` [INFO] [stdout] 499ad11539b186bc6597b109412c6511ad7a2eaaa67ae423c9113414cfa8039f