[INFO] fetching crate anneal 0.3.4...
[INFO] checking anneal-0.3.4 against master#3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777 for pr-132289
[INFO] extracting crate anneal 0.3.4 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate anneal 0.3.4 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 anneal 0.3.4
[INFO] finished tweaking crates.io crate anneal 0.3.4
[INFO] tweaked toml for crates.io crate anneal 0.3.4 written to /workspace/builds/worker-7-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 68 packages to latest compatible versions
[INFO] [stderr]       Adding cookie v0.12.0 (available: v0.18.1)
[INFO] [stderr]       Adding hyper v0.10.16 (available: v1.5.0)
[INFO] [stderr]       Adding url v1.7.2 (available: v2.5.2)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[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 }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded modifier v0.1.0
[INFO] [stderr]   Downloaded plugin v0.2.6
[INFO] [stderr]   Downloaded japi v0.3.2
[INFO] [stderr]   Downloaded iron v0.6.1
[INFO] [stderr]   Downloaded mime_guess v1.8.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 }`
[INFO] [stdout] 38a3b9cd8e3e28d30c66a366d8bd62f26b96ac2cd49a75de570761b74aa7d0db
[INFO] running `Command { std: "docker" "start" "-a" "38a3b9cd8e3e28d30c66a366d8bd62f26b96ac2cd49a75de570761b74aa7d0db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38a3b9cd8e3e28d30c66a366d8bd62f26b96ac2cd49a75de570761b74aa7d0db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38a3b9cd8e3e28d30c66a366d8bd62f26b96ac2cd49a75de570761b74aa7d0db", kill_on_drop: false }`
[INFO] [stdout] 38a3b9cd8e3e28d30c66a366d8bd62f26b96ac2cd49a75de570761b74aa7d0db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 }`
[INFO] [stdout] 2e112ee19bd6e0b780c7eff8f213e2be81f45d736da9147f321139f74e29e9f6
[INFO] running `Command { std: "docker" "start" "-a" "2e112ee19bd6e0b780c7eff8f213e2be81f45d736da9147f321139f74e29e9f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]     Checking anneal v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `IpAddr`, `Ipv4Addr`, and `io::Cursor`
[INFO] [stdout]   --> src/lib.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     io::Cursor,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 72 |     net::{
[INFO] [stdout] 73 |         IpAddr,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 74 |         Ipv4Addr,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `url::Host`
[INFO] [stdout]   --> src/lib.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | use url::Host;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Shutdown`
[INFO] [stdout]   --> src/transfer_connector.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         Shutdown,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ContentType`, `Cookie`, `Mime`, `SubLevel`, and `TopLevel`
[INFO] [stdout]  --> src/response_examine.rs:3:37
[INFO] [stdout]   |
[INFO] [stdout] 3 |     headers::{Header, HeaderFormat, ContentType, Cookie},
[INFO] [stdout]   |                                     ^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 4 |     mime::{Mime, TopLevel, SubLevel},
[INFO] [stdout]   |            ^^^^  ^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::RequestBuilder`
[INFO] [stdout]    --> src/response_examine.rs:253:9
[INFO] [stdout]     |
[INFO] [stdout] 253 |     use crate::RequestBuilder;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `headers::Expect`, `method::Method`, `modifiers::Header as ModHead`, and `prelude::*`
[INFO] [stdout]    --> src/response_examine.rs:255:9
[INFO] [stdout]     |
[INFO] [stdout] 255 |         method::Method,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 256 |         headers::Expect,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 257 |         prelude::*,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 258 |         modifiers::Header as ModHead,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IpAddr`, `Ipv4Addr`, and `io::Cursor`
[INFO] [stdout]   --> src/lib.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     io::Cursor,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 72 |     net::{
[INFO] [stdout] 73 |         IpAddr,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 74 |         Ipv4Addr,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `url::Host`
[INFO] [stdout]   --> src/lib.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | use url::Host;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Shutdown`
[INFO] [stdout]   --> src/transfer_connector.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         Shutdown,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ContentType`, `Cookie`, `Mime`, `SubLevel`, and `TopLevel`
[INFO] [stdout]  --> src/response_examine.rs:3:37
[INFO] [stdout]   |
[INFO] [stdout] 3 |     headers::{Header, HeaderFormat, ContentType, Cookie},
[INFO] [stdout]   |                                     ^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 4 |     mime::{Mime, TopLevel, SubLevel},
[INFO] [stdout]   |            ^^^^  ^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:309:69
[INFO] [stdout]     |
[INFO] [stdout] 309 |         let mut buff_read = BufReader::new(&mut serv_stream as &mut NetworkStream);
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 309 |         let mut buff_read = BufReader::new(&mut serv_stream as &mut dyn NetworkStream);
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WriteBody`
[INFO] [stdout]  --> src/response_examine.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 2 |     response::{Response, WriteBody},
[INFO] [stdout]   |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/transfer_connector.rs:106:24
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
[INFO] [stdout]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/response_examine.rs:28:48
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let body = response.body.as_mut().map(|mut body| {
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:309:69
[INFO] [stdout]     |
[INFO] [stdout] 309 |         let mut buff_read = BufReader::new(&mut serv_stream as &mut NetworkStream);
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 309 |         let mut buff_read = BufReader::new(&mut serv_stream as &mut dyn NetworkStream);
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WriteBody`
[INFO] [stdout]  --> src/response_examine.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 2 |     response::{Response, WriteBody},
[INFO] [stdout]   |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `client_address` is never read
[INFO] [stdout]   --> src/lib.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct RequestBuilder {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 91 |     client_address: SocketAddr,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestExtension` is never constructed
[INFO] [stdout]    --> src/response_examine.rs:262:16
[INFO] [stdout]     |
[INFO] [stdout] 262 |     pub struct TestExtension;
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/transfer_connector.rs:106:24
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
[INFO] [stdout]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/response_examine.rs:28:48
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let body = response.body.as_mut().map(|mut body| {
[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: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:299:9
[INFO] [stdout]     |
[INFO] [stdout] 299 |         rb.send(); 
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 299 |         let _ = rb.send(); 
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:405:29
[INFO] [stdout]     |
[INFO] [stdout] 405 |                 if let Some(mut tm) = req.extensions.get_mut::<TestMiddleware>() {
[INFO] [stdout]     |                             ----^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `client_address` is never read
[INFO] [stdout]   --> src/lib.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct RequestBuilder {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 91 |     client_address: SocketAddr,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:299:9
[INFO] [stdout]     |
[INFO] [stdout] 299 |         rb.send(); 
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 299 |         let _ = rb.send(); 
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.36s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0, typemap v0.3.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "2e112ee19bd6e0b780c7eff8f213e2be81f45d736da9147f321139f74e29e9f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e112ee19bd6e0b780c7eff8f213e2be81f45d736da9147f321139f74e29e9f6", kill_on_drop: false }`
[INFO] [stdout] 2e112ee19bd6e0b780c7eff8f213e2be81f45d736da9147f321139f74e29e9f6
