Dec 18 04:10:40.665 INFO checking ali-raheem/bestmixer_rs against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 04:10:40.665 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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=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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 04:10:41.158 INFO [stdout] 6a28a3d509214b8882fc2fe3e2405f3a052810abb39e34936eb1dfb3e9574756
Dec 18 04:10:41.160 INFO running `"docker" "start" "-a" "6a28a3d509214b8882fc2fe3e2405f3a052810abb39e34936eb1dfb3e9574756"`
Dec 18 04:10:43.090 INFO [stderr]     Checking reqwest v0.9.5
Dec 18 04:10:45.459 INFO [stderr]     Checking bestmixer_rs v0.1.0 (/opt/crater/workdir)
Dec 18 04:10:46.864 INFO [stderr] warning: variable does not need to be mutable
Dec 18 04:10:46.864 INFO [stderr]   --> src/main.rs:33:13
Dec 18 04:10:46.864 INFO [stderr]    |
Dec 18 04:10:46.864 INFO [stderr] 33 |         let mut response = client.post(&url).json(&map).send();
Dec 18 04:10:46.864 INFO [stderr]    |             ----^^^^^^^^
Dec 18 04:10:46.864 INFO [stderr]    |             |
Dec 18 04:10:46.864 INFO [stderr]    |             help: remove this `mut`
Dec 18 04:10:46.864 INFO [stderr]    |
Dec 18 04:10:46.864 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 04:10:46.864 INFO [stderr] 
Dec 18 04:10:46.872 INFO [stderr] warning: variable does not need to be mutable
Dec 18 04:10:46.872 INFO [stderr]   --> src/main.rs:57:13
Dec 18 04:10:46.872 INFO [stderr]    |
Dec 18 04:10:46.872 INFO [stderr] 57 |         let mut response = client.post(&url)
Dec 18 04:10:46.872 INFO [stderr]    |             ----^^^^^^^^
Dec 18 04:10:46.872 INFO [stderr]    |             |
Dec 18 04:10:46.872 INFO [stderr]    |             help: remove this `mut`
Dec 18 04:10:46.872 INFO [stderr] 
Dec 18 04:10:46.888 INFO [stderr] warning: field is never used: `proxy`
Dec 18 04:10:46.888 INFO [stderr]   --> src/main.rs:10:5
Dec 18 04:10:46.888 INFO [stderr]    |
Dec 18 04:10:46.888 INFO [stderr] 10 |     proxy: String,
Dec 18 04:10:46.888 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 18 04:10:46.888 INFO [stderr]    |
Dec 18 04:10:46.888 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 04:10:46.888 INFO [stderr] 
Dec 18 04:10:46.888 INFO [stderr] warning: field is never used: `use_proxy`
Dec 18 04:10:46.888 INFO [stderr]   --> src/main.rs:11:5
Dec 18 04:10:46.888 INFO [stderr]    |
Dec 18 04:10:46.888 INFO [stderr] 11 |     use_proxy: bool,
Dec 18 04:10:46.888 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 18 04:10:46.888 INFO [stderr] 
Dec 18 04:10:46.888 INFO [stderr] warning: field is never used: `use_tor`
Dec 18 04:10:46.888 INFO [stderr]   --> src/main.rs:12:5
Dec 18 04:10:46.888 INFO [stderr]    |
Dec 18 04:10:46.888 INFO [stderr] 12 |     use_tor: bool
Dec 18 04:10:46.888 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 18 04:10:46.888 INFO [stderr] 
Dec 18 04:10:46.908 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 04:10:46.908 INFO [stderr]   --> src/main.rs:88:9
Dec 18 04:10:46.908 INFO [stderr]    |
Dec 18 04:10:46.908 INFO [stderr] 88 | /         write!(f, r#"{{"api_key": "{}", "coin": "{}", "fee": {}, "output": "#,
Dec 18 04:10:46.908 INFO [stderr] 89 | |                self.api_key, self.coin, self.fee);
Dec 18 04:10:46.908 INFO [stderr]    | |__________________________________________________^
Dec 18 04:10:46.908 INFO [stderr]    |
Dec 18 04:10:46.908 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 04:10:46.908 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 04:10:46.908 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)
Dec 18 04:10:46.908 INFO [stderr] 
Dec 18 04:10:46.909 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 04:10:46.909 INFO [stderr]   --> src/main.rs:90:9
Dec 18 04:10:46.909 INFO [stderr]    |
Dec 18 04:10:46.909 INFO [stderr] 90 |         write!(f, "[");
Dec 18 04:10:46.909 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 18 04:10:46.909 INFO [stderr]    |
Dec 18 04:10:46.909 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 04:10:46.909 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)
Dec 18 04:10:46.909 INFO [stderr] 
Dec 18 04:10:46.909 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 04:10:46.909 INFO [stderr]   --> src/main.rs:92:13
Dec 18 04:10:46.909 INFO [stderr]    |
Dec 18 04:10:46.909 INFO [stderr] 92 |             write!(f, "{}", o);
Dec 18 04:10:46.909 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^
Dec 18 04:10:46.909 INFO [stderr]    |
Dec 18 04:10:46.909 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 04:10:46.909 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)
Dec 18 04:10:46.909 INFO [stderr] 
Dec 18 04:10:46.909 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 04:10:46.909 INFO [stderr]   --> src/main.rs:94:9
Dec 18 04:10:46.909 INFO [stderr]    |
Dec 18 04:10:46.909 INFO [stderr] 94 |         write!(f, "]");
Dec 18 04:10:46.909 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 18 04:10:46.909 INFO [stderr]    |
Dec 18 04:10:46.909 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 04:10:46.909 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)
Dec 18 04:10:46.909 INFO [stderr] 
Dec 18 04:10:46.974 INFO [stderr] warning: variable does not need to be mutable
Dec 18 04:10:46.976 INFO [stderr]   --> src/main.rs:33:13
Dec 18 04:10:46.976 INFO [stderr]    |
Dec 18 04:10:46.976 INFO [stderr] 33 |         let mut response = client.post(&url).json(&map).send();
Dec 18 04:10:46.976 INFO [stderr]    |             ----^^^^^^^^
Dec 18 04:10:46.976 INFO [stderr]    |             |
Dec 18 04:10:46.976 INFO [stderr]    |             help: remove this `mut`
Dec 18 04:10:46.976 INFO [stderr]    |
Dec 18 04:10:46.976 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 04:10:46.976 INFO [stderr] 
Dec 18 04:10:46.977 INFO [stderr] warning: variable does not need to be mutable
Dec 18 04:10:46.977 INFO [stderr]   --> src/main.rs:57:13
Dec 18 04:10:46.977 INFO [stderr]    |
Dec 18 04:10:46.977 INFO [stderr] 57 |         let mut response = client.post(&url)
Dec 18 04:10:46.977 INFO [stderr]    |             ----^^^^^^^^
Dec 18 04:10:46.977 INFO [stderr]    |             |
Dec 18 04:10:46.977 INFO [stderr]    |             help: remove this `mut`
Dec 18 04:10:46.977 INFO [stderr] 
Dec 18 04:10:46.990 INFO [stderr] warning: field is never used: `proxy`
Dec 18 04:10:46.992 INFO [stderr]   --> src/main.rs:10:5
Dec 18 04:10:46.992 INFO [stderr]    |
Dec 18 04:10:46.992 INFO [stderr] 10 |     proxy: String,
Dec 18 04:10:46.992 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 18 04:10:46.992 INFO [stderr]    |
Dec 18 04:10:46.992 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 04:10:46.992 INFO [stderr] 
Dec 18 04:10:46.996 INFO [stderr] warning: field is never used: `use_proxy`
Dec 18 04:10:47.000 INFO [stderr]   --> src/main.rs:11:5
Dec 18 04:10:47.000 INFO [stderr]    |
Dec 18 04:10:47.000 INFO [stderr] 11 |     use_proxy: bool,
Dec 18 04:10:47.000 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 18 04:10:47.000 INFO [stderr] 
Dec 18 04:10:47.000 INFO [stderr] warning: field is never used: `use_tor`
Dec 18 04:10:47.000 INFO [stderr]   --> src/main.rs:12:5
Dec 18 04:10:47.000 INFO [stderr]    |
Dec 18 04:10:47.000 INFO [stderr] 12 |     use_tor: bool
Dec 18 04:10:47.000 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 18 04:10:47.000 INFO [stderr] 
Dec 18 04:10:47.006 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 04:10:47.008 INFO [stderr]   --> src/main.rs:88:9
Dec 18 04:10:47.008 INFO [stderr]    |
Dec 18 04:10:47.008 INFO [stderr] 88 | /         write!(f, r#"{{"api_key": "{}", "coin": "{}", "fee": {}, "output": "#,
Dec 18 04:10:47.008 INFO [stderr] 89 | |                self.api_key, self.coin, self.fee);
Dec 18 04:10:47.008 INFO [stderr]    | |__________________________________________________^
Dec 18 04:10:47.008 INFO [stderr]    |
Dec 18 04:10:47.008 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 04:10:47.008 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 04:10:47.008 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)
Dec 18 04:10:47.008 INFO [stderr] 
Dec 18 04:10:47.008 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 04:10:47.008 INFO [stderr]   --> src/main.rs:90:9
Dec 18 04:10:47.008 INFO [stderr]    |
Dec 18 04:10:47.008 INFO [stderr] 90 |         write!(f, "[");
Dec 18 04:10:47.008 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 18 04:10:47.008 INFO [stderr]    |
Dec 18 04:10:47.008 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 04:10:47.008 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)
Dec 18 04:10:47.008 INFO [stderr] 
Dec 18 04:10:47.008 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 04:10:47.008 INFO [stderr]   --> src/main.rs:92:13
Dec 18 04:10:47.008 INFO [stderr]    |
Dec 18 04:10:47.008 INFO [stderr] 92 |             write!(f, "{}", o);
Dec 18 04:10:47.008 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^
Dec 18 04:10:47.008 INFO [stderr]    |
Dec 18 04:10:47.008 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 04:10:47.009 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)
Dec 18 04:10:47.009 INFO [stderr] 
Dec 18 04:10:47.009 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 04:10:47.009 INFO [stderr]   --> src/main.rs:94:9
Dec 18 04:10:47.009 INFO [stderr]    |
Dec 18 04:10:47.009 INFO [stderr] 94 |         write!(f, "]");
Dec 18 04:10:47.009 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 18 04:10:47.009 INFO [stderr]    |
Dec 18 04:10:47.009 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 04:10:47.009 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)
Dec 18 04:10:47.009 INFO [stderr] 
Dec 18 04:10:47.096 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.30s
Dec 18 04:10:48.194 INFO running `"docker" "inspect" "6a28a3d509214b8882fc2fe3e2405f3a052810abb39e34936eb1dfb3e9574756"`
Dec 18 04:10:48.446 INFO running `"docker" "rm" "-f" "6a28a3d509214b8882fc2fe3e2405f3a052810abb39e34936eb1dfb3e9574756"`
Dec 18 04:10:48.800 INFO [stdout] 6a28a3d509214b8882fc2fe3e2405f3a052810abb39e34936eb1dfb3e9574756