[INFO] fetching crate jitash-jsonrpc 0.15.0...
[INFO] testing jitash-jsonrpc-0.15.0 against 1.76.0 for beta-1.77-1
[INFO] extracting crate jitash-jsonrpc 0.15.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate jitash-jsonrpc 0.15.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jitash-jsonrpc 0.15.0
[INFO] finished tweaking crates.io crate jitash-jsonrpc 0.15.0
[INFO] tweaked toml for crates.io crate jitash-jsonrpc 0.15.0 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" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded minreq v2.11.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a648b8a8915de66076ef495f645e18397d2e2842b9e749c1cdd72aab9cca480a
[INFO] running `Command { std: "docker" "start" "-a" "a648b8a8915de66076ef495f645e18397d2e2842b9e749c1cdd72aab9cca480a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a648b8a8915de66076ef495f645e18397d2e2842b9e749c1cdd72aab9cca480a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a648b8a8915de66076ef495f645e18397d2e2842b9e749c1cdd72aab9cca480a", kill_on_drop: false }`
[INFO] [stdout] a648b8a8915de66076ef495f645e18397d2e2842b9e749c1cdd72aab9cca480a
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffd1d011b8a0a48026113df93d0e99a2ce4d0f06aa47f51fc5820b413b172541
[INFO] running `Command { std: "docker" "start" "-a" "ffd1d011b8a0a48026113df93d0e99a2ce4d0f06aa47f51fc5820b413b172541", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling cc v1.0.85
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling openssl v0.10.63
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling http v0.2.11
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling encoding_rs v0.8.33
[INFO] [stderr]    Compiling ipnet v2.9.0
[INFO] [stderr]    Compiling sync_wrapper v0.1.2
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling openssl-sys v0.9.99
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling mio v0.8.10
[INFO] [stderr]    Compiling tokio v1.36.0
[INFO] [stderr]    Compiling tokio-util v0.7.10
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.3.24
[INFO] [stderr]    Compiling hyper v0.14.28
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.24
[INFO] [stderr]    Compiling jitash-jsonrpc v0.15.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `MutexGuard`
[INFO] [stdout]   --> src/http/simple_http.rs:13:29
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::sync::{Arc, Mutex, MutexGuard};
[INFO] [stdout]    |                             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `base64::encode`: Use Engine::encode
[INFO] [stdout]    --> src/http/simple_http.rs:280:64
[INFO] [stdout]     |
[INFO] [stdout] 280 |         self.tp.basic_auth = Some(format!("Basic {}", &base64::encode(auth.as_bytes())));
[INFO] [stdout]     |                                                                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `base64::encode`: Use Engine::encode
[INFO] [stdout]    --> src/http/simple_http.rs:286:64
[INFO] [stdout]     |
[INFO] [stdout] 286 |         self.tp.basic_auth = Some(format!("Basic {}", &base64::encode(cookie.as_ref().as_bytes())));
[INFO] [stdout]     |                                                                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]    --> src/http/simple_http.rs:163:25
[INFO] [stdout]     |
[INFO] [stdout] 163 |                     Err(error) => Err(Error::HttpErrorCode(1))
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FINAL_RESP_ALLOC` is never used
[INFO] [stdout]   --> src/http/simple_http.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const FINAL_RESP_ALLOC: u64 = 1024 * 1024 * 1024;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fresh_socket` is never used
[INFO] [stdout]    --> src/http/simple_http.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 73  | impl SimpleHttpTransport {
[INFO] [stdout]     | ------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 128 |     fn fresh_socket(&self) -> Result<TcpStream, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.03s
[INFO] running `Command { std: "docker" "inspect" "ffd1d011b8a0a48026113df93d0e99a2ce4d0f06aa47f51fc5820b413b172541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffd1d011b8a0a48026113df93d0e99a2ce4d0f06aa47f51fc5820b413b172541", kill_on_drop: false }`
[INFO] [stdout] ffd1d011b8a0a48026113df93d0e99a2ce4d0f06aa47f51fc5820b413b172541
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2652c879f3720aac869e81cac90aa8030b57cb904583ad089020b9394724c8d1
[INFO] running `Command { std: "docker" "start" "-a" "2652c879f3720aac869e81cac90aa8030b57cb904583ad089020b9394724c8d1", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `MutexGuard`
[INFO] [stdout]   --> src/http/simple_http.rs:13:29
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::sync::{Arc, Mutex, MutexGuard};
[INFO] [stdout]    |                             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `base64::encode`: Use Engine::encode
[INFO] [stdout]    --> src/http/simple_http.rs:280:64
[INFO] [stdout]     |
[INFO] [stdout] 280 |         self.tp.basic_auth = Some(format!("Basic {}", &base64::encode(auth.as_bytes())));
[INFO] [stdout]     |                                                                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `base64::encode`: Use Engine::encode
[INFO] [stdout]    --> src/http/simple_http.rs:286:64
[INFO] [stdout]     |
[INFO] [stdout] 286 |         self.tp.basic_auth = Some(format!("Basic {}", &base64::encode(cookie.as_ref().as_bytes())));
[INFO] [stdout]     |                                                                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]    --> src/http/simple_http.rs:163:25
[INFO] [stdout]     |
[INFO] [stdout] 163 |                     Err(error) => Err(Error::HttpErrorCode(1))
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FINAL_RESP_ALLOC` is never used
[INFO] [stdout]   --> src/http/simple_http.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const FINAL_RESP_ALLOC: u64 = 1024 * 1024 * 1024;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling jitash-jsonrpc v0.15.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `fresh_socket` is never used
[INFO] [stdout]    --> src/http/simple_http.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 73  | impl SimpleHttpTransport {
[INFO] [stdout]     | ------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 128 |     fn fresh_socket(&self) -> Result<TcpStream, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MutexGuard`
[INFO] [stdout]   --> src/http/simple_http.rs:13:29
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::sync::{Arc, Mutex, MutexGuard};
[INFO] [stdout]    |                             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]    --> src/http/simple_http.rs:566:9
[INFO] [stdout]     |
[INFO] [stdout] 566 |     use std::str::FromStr;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `base64::encode`: Use Engine::encode
[INFO] [stdout]    --> src/http/simple_http.rs:280:64
[INFO] [stdout]     |
[INFO] [stdout] 280 |         self.tp.basic_auth = Some(format!("Basic {}", &base64::encode(auth.as_bytes())));
[INFO] [stdout]     |                                                                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `base64::encode`: Use Engine::encode
[INFO] [stdout]    --> src/http/simple_http.rs:286:64
[INFO] [stdout]     |
[INFO] [stdout] 286 |         self.tp.basic_auth = Some(format!("Basic {}", &base64::encode(cookie.as_ref().as_bytes())));
[INFO] [stdout]     |                                                                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `lines` found for struct `std::io::BufReader` in the current scope
[INFO] [stdout]    --> src/http/simple_http.rs:689:22
[INFO] [stdout]     |
[INFO] [stdout] 688 |                   let _http_request: Vec<_> = buf_reader
[INFO] [stdout]     |  _____________________________________________-
[INFO] [stdout] 689 | |                     .lines()
[INFO] [stdout]     | |                     -^^^^^ method not found in `BufReader<&mut TcpStream>`
[INFO] [stdout]     | |_____________________|
[INFO] [stdout]     | 
[INFO] [stdout]    --> /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:2521:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method is available for `std::io::BufReader<&mut TcpStream>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 565 +     use std::io::BufRead;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_all` found for struct `TcpStream` in the current scope
[INFO] [stdout]    --> src/http/simple_http.rs:702:24
[INFO] [stdout]     |
[INFO] [stdout] 702 |                 stream.write_all(b"HTTP/1.1 200\r\n").unwrap();
[INFO] [stdout]     |                        ^^^^^^^^^ method not found in `TcpStream`
[INFO] [stdout]    --> /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1668:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method is available for `TcpStream` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 565 +     use std::io::Write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_all` found for struct `TcpStream` in the current scope
[INFO] [stdout]    --> src/http/simple_http.rs:703:24
[INFO] [stdout]     |
[INFO] [stdout] 703 |                 stream.write_all(b"Content-Length: ").unwrap();
[INFO] [stdout]     |                        ^^^^^^^^^ method not found in `TcpStream`
[INFO] [stdout]    --> /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1668:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method is available for `TcpStream` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 565 +     use std::io::Write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_all` found for struct `TcpStream` in the current scope
[INFO] [stdout]    --> src/http/simple_http.rs:704:24
[INFO] [stdout]     |
[INFO] [stdout] 704 |                 stream.write_all(response_str.len().to_string().as_bytes()).unwrap();
[INFO] [stdout]     |                        ^^^^^^^^^ method not found in `TcpStream`
[INFO] [stdout]    --> /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1668:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method is available for `TcpStream` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 565 +     use std::io::Write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_all` found for struct `TcpStream` in the current scope
[INFO] [stdout]    --> src/http/simple_http.rs:705:24
[INFO] [stdout]     |
[INFO] [stdout] 705 |                 stream.write_all(b"\r\n").unwrap();
[INFO] [stdout]     |                        ^^^^^^^^^ method not found in `TcpStream`
[INFO] [stdout]    --> /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1668:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method is available for `TcpStream` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 565 +     use std::io::Write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_all` found for struct `TcpStream` in the current scope
[INFO] [stdout]    --> src/http/simple_http.rs:706:24
[INFO] [stdout]     |
[INFO] [stdout] 706 |                 stream.write_all(b"\r\n").unwrap();
[INFO] [stdout]     |                        ^^^^^^^^^ method not found in `TcpStream`
[INFO] [stdout]    --> /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1668:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method is available for `TcpStream` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 565 +     use std::io::Write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_all` found for struct `TcpStream` in the current scope
[INFO] [stdout]    --> src/http/simple_http.rs:707:24
[INFO] [stdout]     |
[INFO] [stdout] 707 |                 stream.write_all(response_str.as_bytes()).unwrap();
[INFO] [stdout]     |                        ^^^^^^^^^ method not found in `TcpStream`
[INFO] [stdout]    --> /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1668:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method is available for `TcpStream` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 565 +     use std::io::Write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `flush` found for struct `TcpStream` in the current scope
[INFO] [stdout]    --> src/http/simple_http.rs:708:24
[INFO] [stdout]     |
[INFO] [stdout] 708 |                 stream.flush().unwrap();
[INFO] [stdout]     |                        ^^^^^ method not found in `TcpStream`
[INFO] [stdout]    --> /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1634:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method is available for `TcpStream` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 565 +     use std::io::Write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jitash-jsonrpc` (lib test) due to 9 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2652c879f3720aac869e81cac90aa8030b57cb904583ad089020b9394724c8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2652c879f3720aac869e81cac90aa8030b57cb904583ad089020b9394724c8d1", kill_on_drop: false }`
[INFO] [stdout] 2652c879f3720aac869e81cac90aa8030b57cb904583ad089020b9394724c8d1
