Dec 19 20:39:04.589 INFO checking ali-raheem/bestmixer_rs against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 20:39:04.589 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 20:39:05.101 INFO [stdout] b92dd2544486377daf8b79b11209a68de511b0383d37c4021f4179a29b9f6200
Dec 19 20:39:05.104 INFO running `"docker" "start" "-a" "b92dd2544486377daf8b79b11209a68de511b0383d37c4021f4179a29b9f6200"`
Dec 19 20:39:07.364 INFO [stderr]     Checking tokio-threadpool v0.1.8
Dec 19 20:39:08.964 INFO [stderr]     Checking tokio-fs v0.1.4
Dec 19 20:39:09.795 INFO [stderr]     Checking tokio v0.1.11
Dec 19 20:39:10.888 INFO [stderr]     Checking hyper v0.12.14
Dec 19 20:39:15.568 INFO [stderr]     Checking hyper-tls v0.3.1
Dec 19 20:39:16.510 INFO [stderr]     Checking reqwest v0.9.5
Dec 19 20:39:18.640 INFO [stderr]     Checking bestmixer_rs v0.1.0 (/opt/crater/workdir)
Dec 19 20:39:20.560 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:39:20.560 INFO [stderr]   --> src/main.rs:33:13
Dec 19 20:39:20.560 INFO [stderr]    |
Dec 19 20:39:20.560 INFO [stderr] 33 |         let mut response = client.post(&url).json(&map).send();
Dec 19 20:39:20.560 INFO [stderr]    |             ----^^^^^^^^
Dec 19 20:39:20.560 INFO [stderr]    |             |
Dec 19 20:39:20.560 INFO [stderr]    |             help: remove this `mut`
Dec 19 20:39:20.560 INFO [stderr]    |
Dec 19 20:39:20.560 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 20:39:20.560 INFO [stderr] 
Dec 19 20:39:20.572 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:39:20.572 INFO [stderr]   --> src/main.rs:57:13
Dec 19 20:39:20.572 INFO [stderr]    |
Dec 19 20:39:20.572 INFO [stderr] 57 |         let mut response = client.post(&url)
Dec 19 20:39:20.572 INFO [stderr]    |             ----^^^^^^^^
Dec 19 20:39:20.572 INFO [stderr]    |             |
Dec 19 20:39:20.572 INFO [stderr]    |             help: remove this `mut`
Dec 19 20:39:20.572 INFO [stderr] 
Dec 19 20:39:20.600 INFO [stderr] warning: field is never used: `proxy`
Dec 19 20:39:20.600 INFO [stderr]   --> src/main.rs:10:5
Dec 19 20:39:20.600 INFO [stderr]    |
Dec 19 20:39:20.600 INFO [stderr] 10 |     proxy: String,
Dec 19 20:39:20.600 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 20:39:20.600 INFO [stderr]    |
Dec 19 20:39:20.600 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 20:39:20.600 INFO [stderr] 
Dec 19 20:39:20.600 INFO [stderr] warning: field is never used: `use_proxy`
Dec 19 20:39:20.600 INFO [stderr]   --> src/main.rs:11:5
Dec 19 20:39:20.600 INFO [stderr]    |
Dec 19 20:39:20.600 INFO [stderr] 11 |     use_proxy: bool,
Dec 19 20:39:20.600 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 20:39:20.600 INFO [stderr] 
Dec 19 20:39:20.600 INFO [stderr] warning: field is never used: `use_tor`
Dec 19 20:39:20.600 INFO [stderr]   --> src/main.rs:12:5
Dec 19 20:39:20.600 INFO [stderr]    |
Dec 19 20:39:20.600 INFO [stderr] 12 |     use_tor: bool
Dec 19 20:39:20.600 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 20:39:20.600 INFO [stderr] 
Dec 19 20:39:20.616 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:39:20.616 INFO [stderr]   --> src/main.rs:88:9
Dec 19 20:39:20.616 INFO [stderr]    |
Dec 19 20:39:20.616 INFO [stderr] 88 | /         write!(f, r#"{{"api_key": "{}", "coin": "{}", "fee": {}, "output": "#,
Dec 19 20:39:20.616 INFO [stderr] 89 | |                self.api_key, self.coin, self.fee);
Dec 19 20:39:20.616 INFO [stderr]    | |__________________________________________________^
Dec 19 20:39:20.616 INFO [stderr]    |
Dec 19 20:39:20.616 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 20:39:20.616 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:39:20.616 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 19 20:39:20.616 INFO [stderr] 
Dec 19 20:39:20.616 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:39:20.616 INFO [stderr]   --> src/main.rs:90:9
Dec 19 20:39:20.616 INFO [stderr]    |
Dec 19 20:39:20.617 INFO [stderr] 90 |         write!(f, "[");
Dec 19 20:39:20.617 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 19 20:39:20.617 INFO [stderr]    |
Dec 19 20:39:20.617 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:39:20.617 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 19 20:39:20.617 INFO [stderr] 
Dec 19 20:39:20.617 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:39:20.617 INFO [stderr]   --> src/main.rs:92:13
Dec 19 20:39:20.617 INFO [stderr]    |
Dec 19 20:39:20.617 INFO [stderr] 92 |             write!(f, "{}", o);
Dec 19 20:39:20.617 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^
Dec 19 20:39:20.617 INFO [stderr]    |
Dec 19 20:39:20.617 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:39:20.617 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 19 20:39:20.617 INFO [stderr] 
Dec 19 20:39:20.617 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:39:20.617 INFO [stderr]   --> src/main.rs:94:9
Dec 19 20:39:20.617 INFO [stderr]    |
Dec 19 20:39:20.617 INFO [stderr] 94 |         write!(f, "]");
Dec 19 20:39:20.617 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 19 20:39:20.617 INFO [stderr]    |
Dec 19 20:39:20.617 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:39:20.617 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 19 20:39:20.617 INFO [stderr] 
Dec 19 20:39:20.732 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:39:20.732 INFO [stderr]   --> src/main.rs:33:13
Dec 19 20:39:20.732 INFO [stderr]    |
Dec 19 20:39:20.732 INFO [stderr] 33 |         let mut response = client.post(&url).json(&map).send();
Dec 19 20:39:20.732 INFO [stderr]    |             ----^^^^^^^^
Dec 19 20:39:20.732 INFO [stderr]    |             |
Dec 19 20:39:20.732 INFO [stderr]    |             help: remove this `mut`
Dec 19 20:39:20.732 INFO [stderr]    |
Dec 19 20:39:20.732 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 20:39:20.732 INFO [stderr] 
Dec 19 20:39:20.736 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:39:20.736 INFO [stderr]   --> src/main.rs:57:13
Dec 19 20:39:20.736 INFO [stderr]    |
Dec 19 20:39:20.736 INFO [stderr] 57 |         let mut response = client.post(&url)
Dec 19 20:39:20.736 INFO [stderr]    |             ----^^^^^^^^
Dec 19 20:39:20.736 INFO [stderr]    |             |
Dec 19 20:39:20.736 INFO [stderr]    |             help: remove this `mut`
Dec 19 20:39:20.736 INFO [stderr] 
Dec 19 20:39:20.748 INFO [stderr] warning: field is never used: `proxy`
Dec 19 20:39:20.748 INFO [stderr]   --> src/main.rs:10:5
Dec 19 20:39:20.748 INFO [stderr]    |
Dec 19 20:39:20.748 INFO [stderr] 10 |     proxy: String,
Dec 19 20:39:20.748 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 20:39:20.748 INFO [stderr]    |
Dec 19 20:39:20.748 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 20:39:20.748 INFO [stderr] 
Dec 19 20:39:20.748 INFO [stderr] warning: field is never used: `use_proxy`
Dec 19 20:39:20.748 INFO [stderr]   --> src/main.rs:11:5
Dec 19 20:39:20.748 INFO [stderr]    |
Dec 19 20:39:20.748 INFO [stderr] 11 |     use_proxy: bool,
Dec 19 20:39:20.748 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 20:39:20.748 INFO [stderr] 
Dec 19 20:39:20.748 INFO [stderr] warning: field is never used: `use_tor`
Dec 19 20:39:20.748 INFO [stderr]   --> src/main.rs:12:5
Dec 19 20:39:20.748 INFO [stderr]    |
Dec 19 20:39:20.748 INFO [stderr] 12 |     use_tor: bool
Dec 19 20:39:20.748 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 20:39:20.748 INFO [stderr] 
Dec 19 20:39:20.757 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:39:20.757 INFO [stderr]   --> src/main.rs:88:9
Dec 19 20:39:20.757 INFO [stderr]    |
Dec 19 20:39:20.757 INFO [stderr] 88 | /         write!(f, r#"{{"api_key": "{}", "coin": "{}", "fee": {}, "output": "#,
Dec 19 20:39:20.757 INFO [stderr] 89 | |                self.api_key, self.coin, self.fee);
Dec 19 20:39:20.757 INFO [stderr]    | |__________________________________________________^
Dec 19 20:39:20.757 INFO [stderr]    |
Dec 19 20:39:20.757 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 20:39:20.757 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:39:20.757 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 19 20:39:20.757 INFO [stderr] 
Dec 19 20:39:20.757 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:39:20.757 INFO [stderr]   --> src/main.rs:90:9
Dec 19 20:39:20.757 INFO [stderr]    |
Dec 19 20:39:20.757 INFO [stderr] 90 |         write!(f, "[");
Dec 19 20:39:20.757 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 19 20:39:20.757 INFO [stderr]    |
Dec 19 20:39:20.757 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:39:20.757 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 19 20:39:20.757 INFO [stderr] 
Dec 19 20:39:20.757 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:39:20.757 INFO [stderr]   --> src/main.rs:92:13
Dec 19 20:39:20.757 INFO [stderr]    |
Dec 19 20:39:20.757 INFO [stderr] 92 |             write!(f, "{}", o);
Dec 19 20:39:20.757 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^
Dec 19 20:39:20.757 INFO [stderr]    |
Dec 19 20:39:20.757 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:39:20.757 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 19 20:39:20.757 INFO [stderr] 
Dec 19 20:39:20.757 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:39:20.757 INFO [stderr]   --> src/main.rs:94:9
Dec 19 20:39:20.757 INFO [stderr]    |
Dec 19 20:39:20.757 INFO [stderr] 94 |         write!(f, "]");
Dec 19 20:39:20.757 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 19 20:39:20.757 INFO [stderr]    |
Dec 19 20:39:20.757 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:39:20.757 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 19 20:39:20.757 INFO [stderr] 
Dec 19 20:39:20.804 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.82s
Dec 19 20:39:21.480 INFO running `"docker" "inspect" "b92dd2544486377daf8b79b11209a68de511b0383d37c4021f4179a29b9f6200"`
Dec 19 20:39:21.760 INFO running `"docker" "rm" "-f" "b92dd2544486377daf8b79b11209a68de511b0383d37c4021f4179a29b9f6200"`
Dec 19 20:39:22.016 INFO [stdout] b92dd2544486377daf8b79b11209a68de511b0383d37c4021f4179a29b9f6200