[INFO] fetching crate agnes 0.3.2... [INFO] checking agnes-0.3.2 against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984 [INFO] extracting crate agnes 0.3.2 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate agnes 0.3.2 on toolchain 00bfd6b2734d9c28a147bf237490995731781fdd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate agnes 0.3.2 [INFO] removed 1 missing examples [INFO] finished tweaking crates.io crate agnes 0.3.2 [INFO] tweaked toml for crates.io crate agnes 0.3.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded memchr v1.0.2 [INFO] [stderr] Downloaded scoped-tls v0.1.2 [INFO] [stderr] Downloaded tokio-core v0.1.18 [INFO] [stderr] Downloaded rustc-serialize v0.3.24 [INFO] [stderr] Downloaded encoding_index_tests v0.1.4 [INFO] [stderr] Downloaded encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Downloaded term v0.4.6 [INFO] [stderr] Downloaded ucd-util v0.1.10 [INFO] [stderr] Downloaded lazy_static v0.2.11 [INFO] [stderr] Downloaded getopts v0.2.21 [INFO] [stderr] Downloaded bit-vec v0.4.4 [INFO] [stderr] Downloaded diff v0.1.13 [INFO] [stderr] Downloaded encoding-index-japanese v1.20141219.5 [INFO] [stderr] Downloaded encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Downloaded csv v0.15.0 [INFO] [stderr] Downloaded regex-syntax v0.5.6 [INFO] [stderr] Downloaded encoding v0.2.33 [INFO] [stderr] Downloaded regex v0.2.11 [INFO] [stderr] Downloaded encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Downloaded encoding-index-korean v1.20141219.5 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"--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fe04e4b0490cf46f8ae68975d007d687025ef6162e1206e656b0eae3f674f8ac [INFO] running `Command { std: "docker" "start" "-a" "fe04e4b0490cf46f8ae68975d007d687025ef6162e1206e656b0eae3f674f8ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fe04e4b0490cf46f8ae68975d007d687025ef6162e1206e656b0eae3f674f8ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe04e4b0490cf46f8ae68975d007d687025ef6162e1206e656b0eae3f674f8ac", kill_on_drop: false }` [INFO] [stdout] fe04e4b0490cf46f8ae68975d007d687025ef6162e1206e656b0eae3f674f8ac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1d05f6213f9c9dcdcb7f1bb0e10e1d1ad34795eb86df1b06886e61c96a80ab97 [INFO] running `Command { std: "docker" "start" "-a" "1d05f6213f9c9dcdcb7f1bb0e10e1d1ad34795eb86df1b06886e61c96a80ab97", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Compiling openssl v0.10.60 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Compiling rustix v0.38.25 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Checking object v0.32.1 [INFO] [stderr] Compiling hyper v0.12.36 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking linux-raw-sys v0.4.11 [INFO] [stderr] Checking ucd-util v0.1.10 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking fastrand v2.0.1 [INFO] [stderr] Checking utf8-ranges v1.0.5 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking parking_lot_core v0.6.3 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking dirs-sys v0.3.7 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking term v0.6.1 [INFO] [stderr] Checking csv v0.15.0 [INFO] [stderr] Checking tempfile v3.8.1 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Compiling compiletest_rs v0.3.26 [INFO] [stderr] Checking encode_unicode v0.3.6 [INFO] [stderr] Checking term v0.4.6 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking tokio-core v0.1.18 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Checking tester v0.6.0 [INFO] [stderr] Compiling openssl-sys v0.9.96 [INFO] [stderr] Compiling backtrace v0.3.69 [INFO] [stderr] Checking prettytable-rs v0.6.7 [INFO] [stderr] Checking filetime v0.2.22 [INFO] [stderr] Checking csv-sniffer v0.1.1 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking bit-vec v0.4.4 [INFO] [stderr] Checking indexmap v0.4.1 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Checking rustfix v0.4.6 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Checking agnes v0.3.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:86:44 [INFO] [stdout] | [INFO] [stdout] 86 | AgnesError::Io(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:87:45 [INFO] [stdout] | [INFO] [stdout] 87 | AgnesError::Net(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:88:45 [INFO] [stdout] | [INFO] [stdout] 88 | AgnesError::Csv(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:89:52 [INFO] [stdout] | [INFO] [stdout] 89 | AgnesError::CsvSniffer(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:91:47 [INFO] [stdout] | [INFO] [stdout] 91 | AgnesError::Parse(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:148:43 [INFO] [stdout] | [INFO] [stdout] 148 | NetError::Uri(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:150:43 [INFO] [stdout] | [INFO] [stdout] 150 | NetError::Tls(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:151:44 [INFO] [stdout] | [INFO] [stdout] 151 | NetError::Http(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:192:45 [INFO] [stdout] | [INFO] [stdout] 192 | ParseError::Int(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:193:46 [INFO] [stdout] | [INFO] [stdout] 193 | ParseError::Bool(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:194:47 [INFO] [stdout] | [INFO] [stdout] 194 | ParseError::Float(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:195:45 [INFO] [stdout] | [INFO] [stdout] 195 | ParseError::Str(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:86:44 [INFO] [stdout] | [INFO] [stdout] 86 | AgnesError::Io(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:87:45 [INFO] [stdout] | [INFO] [stdout] 87 | AgnesError::Net(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:88:45 [INFO] [stdout] | [INFO] [stdout] 88 | AgnesError::Csv(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:89:52 [INFO] [stdout] | [INFO] [stdout] 89 | AgnesError::CsvSniffer(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:91:47 [INFO] [stdout] | [INFO] [stdout] 91 | AgnesError::Parse(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:148:43 [INFO] [stdout] | [INFO] [stdout] 148 | NetError::Uri(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:150:43 [INFO] [stdout] | [INFO] [stdout] 150 | NetError::Tls(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:151:44 [INFO] [stdout] | [INFO] [stdout] 151 | NetError::Http(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:192:45 [INFO] [stdout] | [INFO] [stdout] 192 | ParseError::Int(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:193:46 [INFO] [stdout] | [INFO] [stdout] 193 | ParseError::Bool(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:194:47 [INFO] [stdout] | [INFO] [stdout] 194 | ParseError::Float(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:195:45 [INFO] [stdout] | [INFO] [stdout] 195 | ParseError::Str(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/source/file.rs:158:21 [INFO] [stdout] | [INFO] [stdout] 158 | let mut core = Core::new()?; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/source/file.rs:173:21 [INFO] [stdout] | [INFO] [stdout] 173 | let mut core = Core::new()?; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/source/file.rs:213:13 [INFO] [stdout] | [INFO] [stdout] 213 | mem::replace(&mut buf, tmp); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 213 | let _ = mem::replace(&mut buf, tmp); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/source/file.rs:215:13 [INFO] [stdout] | [INFO] [stdout] 215 | mem::replace(response_state, State::Body { body, buffer: buf }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 215 | let _ = mem::replace(response_state, State::Body { body, buffer: buf }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/source/file.rs:252:13 [INFO] [stdout] | [INFO] [stdout] 252 | / mem::replace( [INFO] [stdout] 253 | | response_state, [INFO] [stdout] 254 | | State::Body { [INFO] [stdout] 255 | | body: body.into_future(), [INFO] [stdout] 256 | | buffer: buf, [INFO] [stdout] 257 | | }, [INFO] [stdout] 258 | | ); [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 252 | let _ = mem::replace( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/source/file.rs:260:13 [INFO] [stdout] | [INFO] [stdout] 260 | mem::replace(response_state, State::Empty); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 260 | let _ = mem::replace(response_state, State::Empty); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/stats.rs:107:52 [INFO] [stdout] | [INFO] [stdout] 107 | Value::Exists(value) => sum + value.clone() * value, [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `::DType` does not implement `Clone`, so calling `clone` on `&::DType` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/source/file.rs:158:21 [INFO] [stdout] | [INFO] [stdout] 158 | let mut core = Core::new()?; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/source/file.rs:173:21 [INFO] [stdout] | [INFO] [stdout] 173 | let mut core = Core::new()?; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/source/file.rs:213:13 [INFO] [stdout] | [INFO] [stdout] 213 | mem::replace(&mut buf, tmp); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 213 | let _ = mem::replace(&mut buf, tmp); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/source/file.rs:215:13 [INFO] [stdout] | [INFO] [stdout] 215 | mem::replace(response_state, State::Body { body, buffer: buf }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 215 | let _ = mem::replace(response_state, State::Body { body, buffer: buf }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/source/file.rs:252:13 [INFO] [stdout] | [INFO] [stdout] 252 | / mem::replace( [INFO] [stdout] 253 | | response_state, [INFO] [stdout] 254 | | State::Body { [INFO] [stdout] 255 | | body: body.into_future(), [INFO] [stdout] 256 | | buffer: buf, [INFO] [stdout] 257 | | }, [INFO] [stdout] 258 | | ); [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 252 | let _ = mem::replace( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/source/file.rs:260:13 [INFO] [stdout] | [INFO] [stdout] 260 | mem::replace(response_state, State::Empty); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 260 | let _ = mem::replace(response_state, State::Empty); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/stats.rs:107:52 [INFO] [stdout] | [INFO] [stdout] 107 | Value::Exists(value) => sum + value.clone() * value, [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `::DType` does not implement `Clone`, so calling `clone` on `&::DType` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.17s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "1d05f6213f9c9dcdcb7f1bb0e10e1d1ad34795eb86df1b06886e61c96a80ab97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d05f6213f9c9dcdcb7f1bb0e10e1d1ad34795eb86df1b06886e61c96a80ab97", kill_on_drop: false }` [INFO] [stdout] 1d05f6213f9c9dcdcb7f1bb0e10e1d1ad34795eb86df1b06886e61c96a80ab97