[INFO] fetching crate agnes 0.3.2...
[INFO] checking agnes-0.3.2 against master#3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777 for pr-132289
[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 3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "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" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 187 packages to latest compatible versions
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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_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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "1321e5e1c09a5a613f260f2382d1084f4a304c36752cb61471017125c593624f", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "rm" "-f" "1321e5e1c09a5a613f260f2382d1084f4a304c36752cb61471017125c593624f", kill_on_drop: false }`
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[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[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 `<DI as access::DataIndex>::DType` does not implement `Clone`, so calling `clone` on `&<DI as access::DataIndex>::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: 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: missing documentation for a module
[INFO] [stdout]    --> src/lib.rs:120:1
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub mod test_gen_data;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:58:9
[INFO] [stdout]     |
[INFO] [stdout] 58  | #![warn(missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a trait
[INFO] [stdout]    --> src/frame.rs:170:1
[INFO] [stdout]     |
[INFO] [stdout] 170 | pub trait StoreRefCount {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]    --> src/frame.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 171 |     fn store_ref_count(&self) -> usize;
[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: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 `<DI as access::DataIndex>::DType` does not implement `Clone`, so calling `clone` on `&<DI as access::DataIndex>::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: missing documentation for a trait
[INFO] [stdout]    --> src/view.rs:233:1
[INFO] [stdout]     |
[INFO] [stdout] 233 | pub trait StoreRefCounts {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]    --> src/view.rs:234:5
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn store_ref_counts(&self) -> VecDeque<usize>;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]    --> src/view.rs:262:5
[INFO] [stdout]     |
[INFO] [stdout] 262 |     pub fn store_ref_counts(&self) -> VecDeque<usize> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a trait
[INFO] [stdout]  --> src/test_gen_data.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub trait Generate<T> {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]  --> src/test_gen_data.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn generate(&self, sz: usize, rng: &mut StdRng) -> FieldData<T>;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct
[INFO] [stdout]   --> src/test_gen_data.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Normal {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]   --> src/test_gen_data.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new(mean: f64, stdev: f64) -> Normal {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct
[INFO] [stdout]   --> src/test_gen_data.rs:57:1
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct Uniform<T> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]   --> src/test_gen_data.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn new(low: T, high: T) -> Uniform<T> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct
[INFO] [stdout]   --> src/test_gen_data.rs:88:1
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub struct UniformChoice<T> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.90s
[INFO] running `Command { std: "docker" "inspect" "ac0afef86bf20edb9eff726d630f077e7baadfe2aa663741805f5f4bbe85c98f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac0afef86bf20edb9eff726d630f077e7baadfe2aa663741805f5f4bbe85c98f", kill_on_drop: false }`
[INFO] [stdout] ac0afef86bf20edb9eff726d630f077e7baadfe2aa663741805f5f4bbe85c98f
