[INFO] fetching crate ccxt-base 4.5.85...
[INFO] checking ccxt-base-4.5.85 against c60b92c03ca8a3b101eb9d57f51e2232690638c7 for pr-164148-crater-rollup
[INFO] extracting crate ccxt-base 4.5.85 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate ccxt-base 4.5.85
[INFO] finished tweaking crates.io crate ccxt-base 4.5.85
[INFO] tweaked toml for crates.io crate ccxt-base 4.5.85 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ccxt-base 4.5.85 on toolchain c60b92c03ca8a3b101eb9d57f51e2232690638c7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ccxt-base 4.5.85 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1a7b2a3f8a7bf680e7da2282605a4a4f650b22257ca6239f8fbbc03ecf75ec28
[INFO] running `Command { std: "docker" "start" "1a7b2a3f8a7bf680e7da2282605a4a4f650b22257ca6239f8fbbc03ecf75ec28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a7b2a3f8a7bf680e7da2282605a4a4f650b22257ca6239f8fbbc03ecf75ec28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1a7b2a3f8a7bf680e7da2282605a4a4f650b22257ca6239f8fbbc03ecf75ec28" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a7b2a3f8a7bf680e7da2282605a4a4f650b22257ca6239f8fbbc03ecf75ec28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1a7b2a3f8a7bf680e7da2282605a4a4f650b22257ca6239f8fbbc03ecf75ec28" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] error: useless conversion to the same type: `std::string::String` ccxt_base
[INFO] [stdout]     --> src/exchange.rs:1130:73
[INFO] [stdout]      |
[INFO] [stdout] 1130 |         let url_str = match &url { Value::Str(s) => s.to_string(), _ => crate::runtime::stringify_param(&url).into() };
[INFO] [stdout]      |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]      = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]      |
[INFO] [stdout] 1130 -         let url_str = match &url { Value::Str(s) => s.to_string(), _ => crate::runtime::stringify_param(&url).into() };
[INFO] [stdout] 1130 +         let url_str = match &url { Value::Str(s) => s.to_string(), _ => crate::runtime::stringify_param(&url) };
[INFO] [stdout]      |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]      |
[INFO] [stdout] 1130 -         let url_str = match &url { Value::Str(s) => s.to_string(), _ => crate::runtime::stringify_param(&url).into() };
[INFO] [stdout] 1130 +         let url_str = match &url { Value::Str(s) => s.to_string(), _ => <std::string::String as Into<_>>::into(crate::runtime::stringify_param(&url)) };
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `std::string::String` ccxt_base
[INFO] [stdout]     --> src/exchange.rs:1134:79
[INFO] [stdout]      |
[INFO] [stdout] 1134 |         let method_str = match &method { Value::Str(s) => s.to_string(), _ => "GET".to_string().into() };
[INFO] [stdout]      |                                                                               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]      |
[INFO] [stdout] 1134 -         let method_str = match &method { Value::Str(s) => s.to_string(), _ => "GET".to_string().into() };
[INFO] [stdout] 1134 +         let method_str = match &method { Value::Str(s) => s.to_string(), _ => "GET".to_string() };
[INFO] [stdout]      |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]      |
[INFO] [stdout] 1134 -         let method_str = match &method { Value::Str(s) => s.to_string(), _ => "GET".to_string().into() };
[INFO] [stdout] 1134 +         let method_str = match &method { Value::Str(s) => s.to_string(), _ => <std::string::String as Into<_>>::into("GET".to_string()) };
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `std::string::String` ccxt_base
[INFO] [stdout]     --> src/exchange.rs:1535:87
[INFO] [stdout]      |
[INFO] [stdout] 1535 |             let url = match m.get("url") { Some(Value::Str(s)) => s.to_string(), _ => String::new().into() };
[INFO] [stdout]      |                                                                                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]      |
[INFO] [stdout] 1535 -             let url = match m.get("url") { Some(Value::Str(s)) => s.to_string(), _ => String::new().into() };
[INFO] [stdout] 1535 +             let url = match m.get("url") { Some(Value::Str(s)) => s.to_string(), _ => String::new() };
[INFO] [stdout]      |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]      |
[INFO] [stdout] 1535 -             let url = match m.get("url") { Some(Value::Str(s)) => s.to_string(), _ => String::new().into() };
[INFO] [stdout] 1535 +             let url = match m.get("url") { Some(Value::Str(s)) => s.to_string(), _ => <std::string::String as Into<_>>::into(String::new()) };
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `std::string::String` ccxt_base
[INFO] [stdout]     --> src/exchange.rs:1536:93
[INFO] [stdout]      |
[INFO] [stdout] 1536 |             let method = match m.get("method") { Some(Value::Str(s)) => s.to_string(), _ => verb.to_string().into() };
[INFO] [stdout]      |                                                                                             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]      |
[INFO] [stdout] 1536 -             let method = match m.get("method") { Some(Value::Str(s)) => s.to_string(), _ => verb.to_string().into() };
[INFO] [stdout] 1536 +             let method = match m.get("method") { Some(Value::Str(s)) => s.to_string(), _ => verb.to_string() };
[INFO] [stdout]      |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]      |
[INFO] [stdout] 1536 -             let method = match m.get("method") { Some(Value::Str(s)) => s.to_string(), _ => verb.to_string().into() };
[INFO] [stdout] 1536 +             let method = match m.get("method") { Some(Value::Str(s)) => s.to_string(), _ => <std::string::String as Into<_>>::into(verb.to_string()) };
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `std::string::String` ccxt_base
[INFO] [stdout]     --> src/exchange_stubs.rs:2625:22
[INFO] [stdout]      |
[INFO] [stdout] 2625 |             other => stringify_param(other).into(),
[INFO] [stdout]      |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]      |
[INFO] [stdout] 2625 -             other => stringify_param(other).into(),
[INFO] [stdout] 2625 +             other => stringify_param(other),
[INFO] [stdout]      |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]      |
[INFO] [stdout] 2625 -             other => stringify_param(other).into(),
[INFO] [stdout] 2625 +             other => <std::string::String as Into<_>>::into(stringify_param(other)),
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `std::string::String` ccxt_base
[INFO] [stdout]    --> src/pro/ws_client.rs:901:25
[INFO] [stdout]     |
[INFO] [stdout] 901 |                 None => String::new().into(),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 901 -                 None => String::new().into(),
[INFO] [stdout] 901 +                 None => String::new(),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 901 -                 None => String::new().into(),
[INFO] [stdout] 901 +                 None => <std::string::String as Into<_>>::into(String::new()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ccxt-base` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `std::string::String` ccxt_base
[INFO] [stdout]     --> src/exchange.rs:1130:73
[INFO] [stdout]      |
[INFO] [stdout] 1130 |         let url_str = match &url { Value::Str(s) => s.to_string(), _ => crate::runtime::stringify_param(&url).into() };
[INFO] [stdout]      |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]      = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]      |
[INFO] [stdout] 1130 -         let url_str = match &url { Value::Str(s) => s.to_string(), _ => crate::runtime::stringify_param(&url).into() };
[INFO] [stdout] 1130 +         let url_str = match &url { Value::Str(s) => s.to_string(), _ => crate::runtime::stringify_param(&url) };
[INFO] [stdout]      |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]      |
[INFO] [stdout] 1130 -         let url_str = match &url { Value::Str(s) => s.to_string(), _ => crate::runtime::stringify_param(&url).into() };
[INFO] [stdout] 1130 +         let url_str = match &url { Value::Str(s) => s.to_string(), _ => <std::string::String as Into<_>>::into(crate::runtime::stringify_param(&url)) };
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `std::string::String` ccxt_base
[INFO] [stdout]     --> src/exchange.rs:1134:79
[INFO] [stdout]      |
[INFO] [stdout] 1134 |         let method_str = match &method { Value::Str(s) => s.to_string(), _ => "GET".to_string().into() };
[INFO] [stdout]      |                                                                               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]      |
[INFO] [stdout] 1134 -         let method_str = match &method { Value::Str(s) => s.to_string(), _ => "GET".to_string().into() };
[INFO] [stdout] 1134 +         let method_str = match &method { Value::Str(s) => s.to_string(), _ => "GET".to_string() };
[INFO] [stdout]      |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]      |
[INFO] [stdout] 1134 -         let method_str = match &method { Value::Str(s) => s.to_string(), _ => "GET".to_string().into() };
[INFO] [stdout] 1134 +         let method_str = match &method { Value::Str(s) => s.to_string(), _ => <std::string::String as Into<_>>::into("GET".to_string()) };
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `std::string::String` ccxt_base
[INFO] [stdout]     --> src/exchange.rs:1535:87
[INFO] [stdout]      |
[INFO] [stdout] 1535 |             let url = match m.get("url") { Some(Value::Str(s)) => s.to_string(), _ => String::new().into() };
[INFO] [stdout]      |                                                                                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]      |
[INFO] [stdout] 1535 -             let url = match m.get("url") { Some(Value::Str(s)) => s.to_string(), _ => String::new().into() };
[INFO] [stdout] 1535 +             let url = match m.get("url") { Some(Value::Str(s)) => s.to_string(), _ => String::new() };
[INFO] [stdout]      |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]      |
[INFO] [stdout] 1535 -             let url = match m.get("url") { Some(Value::Str(s)) => s.to_string(), _ => String::new().into() };
[INFO] [stdout] 1535 +             let url = match m.get("url") { Some(Value::Str(s)) => s.to_string(), _ => <std::string::String as Into<_>>::into(String::new()) };
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `std::string::String` ccxt_base
[INFO] [stdout]     --> src/exchange.rs:1536:93
[INFO] [stdout]      |
[INFO] [stdout] 1536 |             let method = match m.get("method") { Some(Value::Str(s)) => s.to_string(), _ => verb.to_string().into() };
[INFO] [stdout]      |                                                                                             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]      |
[INFO] [stdout] 1536 -             let method = match m.get("method") { Some(Value::Str(s)) => s.to_string(), _ => verb.to_string().into() };
[INFO] [stdout] 1536 +             let method = match m.get("method") { Some(Value::Str(s)) => s.to_string(), _ => verb.to_string() };
[INFO] [stdout]      |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]      |
[INFO] [stdout] 1536 -             let method = match m.get("method") { Some(Value::Str(s)) => s.to_string(), _ => verb.to_string().into() };
[INFO] [stdout] 1536 +             let method = match m.get("method") { Some(Value::Str(s)) => s.to_string(), _ => <std::string::String as Into<_>>::into(verb.to_string()) };
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `std::string::String` ccxt_base
[INFO] [stdout]     --> src/exchange_stubs.rs:2625:22
[INFO] [stdout]      |
[INFO] [stdout] 2625 |             other => stringify_param(other).into(),
[INFO] [stdout]      |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]      |
[INFO] [stdout] 2625 -             other => stringify_param(other).into(),
[INFO] [stdout] 2625 +             other => stringify_param(other),
[INFO] [stdout]      |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]      |
[INFO] [stdout] 2625 -             other => stringify_param(other).into(),
[INFO] [stdout] 2625 +             other => <std::string::String as Into<_>>::into(stringify_param(other)),
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `std::string::String` ccxt_base
[INFO] [stdout]    --> src/pro/ws_client.rs:901:25
[INFO] [stdout]     |
[INFO] [stdout] 901 |                 None => String::new().into(),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 901 -                 None => String::new().into(),
[INFO] [stdout] 901 +                 None => String::new(),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 901 -                 None => String::new().into(),
[INFO] [stdout] 901 +                 None => <std::string::String as Into<_>>::into(String::new()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ccxt-base` (lib test) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "1a7b2a3f8a7bf680e7da2282605a4a4f650b22257ca6239f8fbbc03ecf75ec28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a7b2a3f8a7bf680e7da2282605a4a4f650b22257ca6239f8fbbc03ecf75ec28", kill_on_drop: false }`
[INFO] [stdout] 1a7b2a3f8a7bf680e7da2282605a4a4f650b22257ca6239f8fbbc03ecf75ec28
