[INFO] cloning repository https://github.com/devoidfury/rust-rserv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/devoidfury/rust-rserv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevoidfury%2Frust-rserv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevoidfury%2Frust-rserv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 791b15e3648b426d2c1886ec4be40c42ede587f5
[INFO] building devoidfury/rust-rserv against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevoidfury%2Frust-rserv" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/devoidfury/rust-rserv on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/devoidfury/rust-rserv
[INFO] finished tweaking git repo https://github.com/devoidfury/rust-rserv
[INFO] tweaked toml for git repo https://github.com/devoidfury/rust-rserv written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/devoidfury/rust-rserv 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee6804237579ed1c04f0c5864e0ce6eac7ab63b2da9bbff2bdfe19c8fc89b907
[INFO] running `Command { std: "docker" "start" "-a" "ee6804237579ed1c04f0c5864e0ce6eac7ab63b2da9bbff2bdfe19c8fc89b907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee6804237579ed1c04f0c5864e0ce6eac7ab63b2da9bbff2bdfe19c8fc89b907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee6804237579ed1c04f0c5864e0ce6eac7ab63b2da9bbff2bdfe19c8fc89b907", kill_on_drop: false }`
[INFO] [stdout] ee6804237579ed1c04f0c5864e0ce6eac7ab63b2da9bbff2bdfe19c8fc89b907
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8efe28126554fda6ca6b69e80bfeae7f0f379a6e15110a96ed01a118def31ac4
[INFO] running `Command { std: "docker" "start" "-a" "8efe28126554fda6ca6b69e80bfeae7f0f379a6e15110a96ed01a118def31ac4", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling libc v0.2.14
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.4
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling aho-corasick v0.5.2
[INFO] [stderr]    Compiling thread_local v0.2.6
[INFO] [stderr]    Compiling regex v0.1.73
[INFO] [stderr]    Compiling websrv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/response.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         try!(stream.write_all(format!("HTTP/1.0 {} {}\r\n", self.status, status_text).as_bytes()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/response.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         try!(stream.write_all(headtxt.as_bytes()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/response.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         try!(stream.write_all("\r\n".as_bytes()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/response.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         try!(stream.write_all(self.body));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter`
[INFO] [stdout]  --> src/server.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Shutdown`
[INFO] [stdout]  --> src/server.rs:4:40
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::net::{TcpListener, TcpStream, Shutdown};
[INFO] [stdout]   |                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sync_channel`
[INFO] [stdout]   --> src/server.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::sync::mpsc::{channel, sync_channel, Sender};
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `body`, `headers`, `method`, and `protocol` are never read
[INFO] [stdout]   --> src/request.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct HTTPRequest {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 10 |     pub body: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 11 |     pub headers: HashMap<String, String>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 12 |     pub method: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 13 |     pub path: String,
[INFO] [stdout] 14 |     pub protocol: String
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sent_headers` is never read
[INFO] [stdout]   --> src/response.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct HTTPResponse<'a> {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub sent_headers: bool
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Next` and `Err` are never constructed
[INFO] [stdout]  --> src/middleware.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum MResult {
[INFO] [stdout]   |          ------- variants in this enum
[INFO] [stdout] 7 |     End,
[INFO] [stdout] 8 |     Next,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 9 |     Err
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `jobs` and `idx` are never read
[INFO] [stdout]   --> src/server.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Worker {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 14 |     jobs: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 15 |     tx: Sender<TcpStream>,
[INFO] [stdout] 16 |     idx: usize
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server.rs:58:21
[INFO] [stdout]    |
[INFO] [stdout] 58 |                     done_tx.send(worker_idx);
[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] 58 |                     let _ = done_tx.send(worker_idx);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `Command { std: "docker" "inspect" "8efe28126554fda6ca6b69e80bfeae7f0f379a6e15110a96ed01a118def31ac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8efe28126554fda6ca6b69e80bfeae7f0f379a6e15110a96ed01a118def31ac4", kill_on_drop: false }`
[INFO] [stdout] 8efe28126554fda6ca6b69e80bfeae7f0f379a6e15110a96ed01a118def31ac4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ca763e8938c9e007a9b9ead4bd8ba6de295612b4f675fad1a19e85f0f9ad7ab
[INFO] running `Command { std: "docker" "start" "-a" "1ca763e8938c9e007a9b9ead4bd8ba6de295612b4f675fad1a19e85f0f9ad7ab", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling websrv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/response.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         try!(stream.write_all(format!("HTTP/1.0 {} {}\r\n", self.status, status_text).as_bytes()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/response.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         try!(stream.write_all(headtxt.as_bytes()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/response.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         try!(stream.write_all("\r\n".as_bytes()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/response.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         try!(stream.write_all(self.body));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter`
[INFO] [stdout]  --> src/server.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Shutdown`
[INFO] [stdout]  --> src/server.rs:4:40
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::net::{TcpListener, TcpStream, Shutdown};
[INFO] [stdout]   |                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sync_channel`
[INFO] [stdout]   --> src/server.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::sync::mpsc::{channel, sync_channel, Sender};
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `body`, `headers`, `method`, and `protocol` are never read
[INFO] [stdout]   --> src/request.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct HTTPRequest {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 10 |     pub body: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 11 |     pub headers: HashMap<String, String>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 12 |     pub method: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 13 |     pub path: String,
[INFO] [stdout] 14 |     pub protocol: String
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sent_headers` is never read
[INFO] [stdout]   --> src/response.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct HTTPResponse<'a> {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub sent_headers: bool
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Next` and `Err` are never constructed
[INFO] [stdout]  --> src/middleware.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum MResult {
[INFO] [stdout]   |          ------- variants in this enum
[INFO] [stdout] 7 |     End,
[INFO] [stdout] 8 |     Next,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 9 |     Err
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `jobs` and `idx` are never read
[INFO] [stdout]   --> src/server.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Worker {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 14 |     jobs: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 15 |     tx: Sender<TcpStream>,
[INFO] [stdout] 16 |     idx: usize
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server.rs:58:21
[INFO] [stdout]    |
[INFO] [stdout] 58 |                     done_tx.send(worker_idx);
[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] 58 |                     let _ = done_tx.send(worker_idx);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "1ca763e8938c9e007a9b9ead4bd8ba6de295612b4f675fad1a19e85f0f9ad7ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ca763e8938c9e007a9b9ead4bd8ba6de295612b4f675fad1a19e85f0f9ad7ab", kill_on_drop: false }`
[INFO] [stdout] 1ca763e8938c9e007a9b9ead4bd8ba6de295612b4f675fad1a19e85f0f9ad7ab