[INFO] fetching crate coinnect 0.5.12...
[INFO] checking coinnect-0.5.12 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate coinnect 0.5.12 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate coinnect 0.5.12 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate coinnect 0.5.12
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate coinnect 0.5.12
[INFO] tweaked toml for crates.io crate coinnect 0.5.12 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bidir-map v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8b14fd3a3d384552a1787323eff42207eb9c57a7f1da37bd8e57c0464e972930
[INFO] running `Command { std: "docker" "start" "-a" "8b14fd3a3d384552a1787323eff42207eb9c57a7f1da37bd8e57c0464e972930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b14fd3a3d384552a1787323eff42207eb9c57a7f1da37bd8e57c0464e972930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b14fd3a3d384552a1787323eff42207eb9c57a7f1da37bd8e57c0464e972930", kill_on_drop: false }`
[INFO] [stdout] 8b14fd3a3d384552a1787323eff42207eb9c57a7f1da37bd8e57c0464e972930
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] befea44f5c69a8067301b2c590505cbeda5856066e5043d026b508c917977357
[INFO] running `Command { std: "docker" "start" "-a" "befea44f5c69a8067301b2c590505cbeda5856066e5043d026b508c917977357", kill_on_drop: false }`
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[INFO] [stderr]     Checking coinnect v0.5.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `new_ret_no_self`
[INFO] [stdout]  --> src/coinnect.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![allow(new_ret_no_self)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `clone_double_ref`
[INFO] [stdout]  --> src/helpers/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![warn(clone_double_ref)]
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `too_many_arguments`
[INFO] [stdout]  --> src/kraken/api.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![allow(too_many_arguments)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `new_ret_no_self`
[INFO] [stdout]  --> src/coinnect.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![allow(new_ret_no_self)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `too_many_arguments`
[INFO] [stdout]  --> src/bittrex/api.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![allow(too_many_arguments)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `clone_double_ref`
[INFO] [stdout]  --> src/helpers/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![warn(clone_double_ref)]
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `too_many_arguments`
[INFO] [stdout]  --> src/kraken/api.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![allow(too_many_arguments)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `too_many_arguments`
[INFO] [stdout]  --> src/bittrex/api.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![allow(too_many_arguments)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/coinnect.rs:30:76
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new<C: Credentials>(exchange: Exchange, creds: C) -> Result<Box<ExchangeApi>> {
[INFO] [stdout]    |                                                                            ^^^^^^^^^^^ help: use `dyn`: `dyn ExchangeApi`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/coinnect.rs:48:40
[INFO] [stdout]    |
[INFO] [stdout] 48 |                          -> Result<Box<ExchangeApi>> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^ help: use `dyn`: `dyn ExchangeApi`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/coinnect.rs:30:76
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new<C: Credentials>(exchange: Exchange, creds: C) -> Result<Box<ExchangeApi>> {
[INFO] [stdout]    |                                                                            ^^^^^^^^^^^ help: use `dyn`: `dyn ExchangeApi`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/coinnect.rs:48:40
[INFO] [stdout]    |
[INFO] [stdout] 48 |                          -> Result<Box<ExchangeApi>> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^ help: use `dyn`: `dyn ExchangeApi`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:11:1
[INFO] [stdout]     |
[INFO] [stdout] 11  | / error_chain!{
[INFO] [stdout] 12  | |     types {
[INFO] [stdout] 13  | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 14  | |     }
[INFO] [stdout] ...   |
[INFO] [stdout] 115 | |     }
[INFO] [stdout] 116 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:11:1
[INFO] [stdout]     |
[INFO] [stdout] 11  | / error_chain!{
[INFO] [stdout] 12  | |     types {
[INFO] [stdout] 13  | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 14  | |     }
[INFO] [stdout] ...   |
[INFO] [stdout] 115 | |     }
[INFO] [stdout] 116 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bitstamp/utils.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / lazy_static! {
[INFO] [stdout] 17 | |     static ref PAIRS_STRING: BidirMap<Pair, &'static str> = {
[INFO] [stdout] 18 | |         let mut m = BidirMap::new();
[INFO] [stdout] 19 | |         m.insert(BTC_USD, "btcusd");
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |     };
[INFO] [stdout] 36 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/poloniex/utils.rs:11:1
[INFO] [stdout]     |
[INFO] [stdout] 11  | / lazy_static! {
[INFO] [stdout] 12  | |     static ref PAIRS_STRING: BidirMap<Pair, &'static str> = {
[INFO] [stdout] 13  | |         let mut m = BidirMap::new();
[INFO] [stdout] 14  | |         m.insert(BCN_BTC, "BTC_BCN");
[INFO] [stdout] ...   |
[INFO] [stdout] 117 | |     };
[INFO] [stdout] 118 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/kraken/utils.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / lazy_static! {
[INFO] [stdout] 12 | |     static ref PAIRS_STRING: BidirMap<Pair, &'static str> = {
[INFO] [stdout] 13 | |         let mut m = BidirMap::new();
[INFO] [stdout] 14 | |         m.insert(BCH_EUR, "BCHEUR");
[INFO] [stdout] ...  |
[INFO] [stdout] 73 | |     };
[INFO] [stdout] 74 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/bittrex/utils.rs:11:1
[INFO] [stdout]     |
[INFO] [stdout] 11  | / lazy_static! {
[INFO] [stdout] 12  | |     static ref PAIRS_STRING: BidirMap<Pair, &'static str> = {
[INFO] [stdout] 13  | |         let mut m = BidirMap::new();
[INFO] [stdout] 14  | |         m.insert(_1ST_BTC, "BTC-1ST");
[INFO] [stdout] ...   |
[INFO] [stdout] 278 | |     };
[INFO] [stdout] 279 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/gdax/utils.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / lazy_static! {
[INFO] [stdout] 17 | |     static ref PAIRS_STRING: BidirMap<Pair, &'static str> = {
[INFO] [stdout] 18 | |         let mut m = BidirMap::new();
[INFO] [stdout] 19 | |         m.insert(BCH_USD, "bch-usd");
[INFO] [stdout] ...  |
[INFO] [stdout] 30 | |     };
[INFO] [stdout] 31 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:11:1
[INFO] [stdout]     |
[INFO] [stdout] 11  | / error_chain!{
[INFO] [stdout] 12  | |     types {
[INFO] [stdout] 13  | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 14  | |     }
[INFO] [stdout] ...   |
[INFO] [stdout] 115 | |     }
[INFO] [stdout] 116 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:11:1
[INFO] [stdout]     |
[INFO] [stdout] 11  | / error_chain!{
[INFO] [stdout] 12  | |     types {
[INFO] [stdout] 13  | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 14  | |     }
[INFO] [stdout] ...   |
[INFO] [stdout] 115 | |     }
[INFO] [stdout] 116 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bitstamp/utils.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / lazy_static! {
[INFO] [stdout] 17 | |     static ref PAIRS_STRING: BidirMap<Pair, &'static str> = {
[INFO] [stdout] 18 | |         let mut m = BidirMap::new();
[INFO] [stdout] 19 | |         m.insert(BTC_USD, "btcusd");
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |     };
[INFO] [stdout] 36 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/poloniex/utils.rs:11:1
[INFO] [stdout]     |
[INFO] [stdout] 11  | / lazy_static! {
[INFO] [stdout] 12  | |     static ref PAIRS_STRING: BidirMap<Pair, &'static str> = {
[INFO] [stdout] 13  | |         let mut m = BidirMap::new();
[INFO] [stdout] 14  | |         m.insert(BCN_BTC, "BTC_BCN");
[INFO] [stdout] ...   |
[INFO] [stdout] 117 | |     };
[INFO] [stdout] 118 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/kraken/utils.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / lazy_static! {
[INFO] [stdout] 12 | |     static ref PAIRS_STRING: BidirMap<Pair, &'static str> = {
[INFO] [stdout] 13 | |         let mut m = BidirMap::new();
[INFO] [stdout] 14 | |         m.insert(BCH_EUR, "BCHEUR");
[INFO] [stdout] ...  |
[INFO] [stdout] 73 | |     };
[INFO] [stdout] 74 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/bittrex/utils.rs:11:1
[INFO] [stdout]     |
[INFO] [stdout] 11  | / lazy_static! {
[INFO] [stdout] 12  | |     static ref PAIRS_STRING: BidirMap<Pair, &'static str> = {
[INFO] [stdout] 13  | |         let mut m = BidirMap::new();
[INFO] [stdout] 14  | |         m.insert(_1ST_BTC, "BTC-1ST");
[INFO] [stdout] ...   |
[INFO] [stdout] 278 | |     };
[INFO] [stdout] 279 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/gdax/utils.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / lazy_static! {
[INFO] [stdout] 17 | |     static ref PAIRS_STRING: BidirMap<Pair, &'static str> = {
[INFO] [stdout] 18 | |         let mut m = BidirMap::new();
[INFO] [stdout] 19 | |         m.insert(BCH_USD, "bch-usd");
[INFO] [stdout] ...  |
[INFO] [stdout] 30 | |     };
[INFO] [stdout] 31 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/error.rs:11:1
[INFO] [stdout]     |
[INFO] [stdout] 11  | / error_chain!{
[INFO] [stdout] 12  | |     types {
[INFO] [stdout] 13  | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 14  | |     }
[INFO] [stdout] ...   |
[INFO] [stdout] 115 | |     }
[INFO] [stdout] 116 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/error.rs:11:1
[INFO] [stdout]     |
[INFO] [stdout] 11  | / error_chain!{
[INFO] [stdout] 12  | |     types {
[INFO] [stdout] 13  | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 14  | |     }
[INFO] [stdout] ...   |
[INFO] [stdout] 115 | |     }
[INFO] [stdout] 116 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> examples/kraken_trading.rs:27:71
[INFO] [stdout]    |
[INFO] [stdout] 27 |         Err(err) => panic!("Error : {:?}, description : {}", err, err.description()),
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/coinnect.rs:22:22
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let api: Box<ExchangeApi> = Coinnect::new(Exchange::Bitstamp, creds).unwrap();
[INFO] [stdout]    |                      ^^^^^^^^^^^ help: use `dyn`: `dyn ExchangeApi`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.45s
[INFO] running `Command { std: "docker" "inspect" "befea44f5c69a8067301b2c590505cbeda5856066e5043d026b508c917977357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "befea44f5c69a8067301b2c590505cbeda5856066e5043d026b508c917977357", kill_on_drop: false }`
[INFO] [stdout] befea44f5c69a8067301b2c590505cbeda5856066e5043d026b508c917977357