[INFO] cloning repository https://github.com/SantiagoCalligari/http_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SantiagoCalligari/http_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSantiagoCalligari%2Fhttp_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSantiagoCalligari%2Fhttp_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18ac62c530ba89bb21142391da8318720a1f7076
[INFO] checking SantiagoCalligari/http_server against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSantiagoCalligari%2Fhttp_server" "/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/SantiagoCalligari/http_server on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SantiagoCalligari/http_server
[INFO] finished tweaking git repo https://github.com/SantiagoCalligari/http_server
[INFO] tweaked toml for git repo https://github.com/SantiagoCalligari/http_server written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SantiagoCalligari/http_server 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b80096c949a237f6e5677da17889932215148782a62a4351d938a86031bb740
[INFO] running `Command { std: "docker" "start" "-a" "9b80096c949a237f6e5677da17889932215148782a62a4351d938a86031bb740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b80096c949a237f6e5677da17889932215148782a62a4351d938a86031bb740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b80096c949a237f6e5677da17889932215148782a62a4351d938a86031bb740", kill_on_drop: false }`
[INFO] [stdout] 9b80096c949a237f6e5677da17889932215148782a62a4351d938a86031bb740
[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" "-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a98a11c2f5d80b3ce06b1d958a8058cd4f803703c179d1a60083621bb06f8d3d
[INFO] running `Command { std: "docker" "start" "-a" "a98a11c2f5d80b3ce06b1d958a8058cd4f803703c179d1a60083621bb06f8d3d", kill_on_drop: false }`
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.35.0
[INFO] [stderr]     Checking http_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]   --> src/http_reply.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub async fn post_reply(stream: &TcpStream, _request: HttpRequest<'_>) {
[INFO] [stdout]    |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]   --> src/http_reply.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub async fn post_reply(stream: &TcpStream, _request: HttpRequest<'_>) {
[INFO] [stdout]    |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `version` and `headers` are never read
[INFO] [stdout]  --> src/http_request.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct HttpRequest<'a> {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 5 |     pub version: &'a str,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 6 |     pub headers: Vec<Header<'a>>,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `HttpRequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key` and `value` are never read
[INFO] [stdout]   --> src/http_request.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Header<'a> {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 11 |     pub key: &'a str,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 12 |     pub value: &'a str,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Header` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `version` and `headers` are never read
[INFO] [stdout]  --> src/http_request.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct HttpRequest<'a> {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 5 |     pub version: &'a str,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 6 |     pub headers: Vec<Header<'a>>,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `HttpRequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key` and `value` are never read
[INFO] [stdout]   --> src/http_request.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Header<'a> {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 11 |     pub key: &'a str,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 12 |     pub value: &'a str,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Header` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.21s
[INFO] running `Command { std: "docker" "inspect" "a98a11c2f5d80b3ce06b1d958a8058cd4f803703c179d1a60083621bb06f8d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a98a11c2f5d80b3ce06b1d958a8058cd4f803703c179d1a60083621bb06f8d3d", kill_on_drop: false }`
[INFO] [stdout] a98a11c2f5d80b3ce06b1d958a8058cd4f803703c179d1a60083621bb06f8d3d
[INFO] checking SantiagoCalligari/http_server against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSantiagoCalligari%2Fhttp_server" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SantiagoCalligari/http_server on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SantiagoCalligari/http_server
[INFO] finished tweaking git repo https://github.com/SantiagoCalligari/http_server
[INFO] tweaked toml for git repo https://github.com/SantiagoCalligari/http_server written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/SantiagoCalligari/http_server 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71c96a75c77c6a4ce91a54a6ecf7ff0966dea7fe34d8ac7f4d4c1f83c66aff09
[INFO] running `Command { std: "docker" "start" "-a" "71c96a75c77c6a4ce91a54a6ecf7ff0966dea7fe34d8ac7f4d4c1f83c66aff09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71c96a75c77c6a4ce91a54a6ecf7ff0966dea7fe34d8ac7f4d4c1f83c66aff09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71c96a75c77c6a4ce91a54a6ecf7ff0966dea7fe34d8ac7f4d4c1f83c66aff09", kill_on_drop: false }`
[INFO] [stdout] 71c96a75c77c6a4ce91a54a6ecf7ff0966dea7fe34d8ac7f4d4c1f83c66aff09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e292c75c0930dbed2b7071da70648595ce86c10367f01bf0ceb89f2d7e8e5bd8
[INFO] running `Command { std: "docker" "start" "-a" "e292c75c0930dbed2b7071da70648595ce86c10367f01bf0ceb89f2d7e8e5bd8", kill_on_drop: false }`
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.35.0
[INFO] [stderr]     Checking http_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]   --> src/http_reply.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub async fn post_reply(stream: &TcpStream, _request: HttpRequest<'_>) {
[INFO] [stdout]    |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `version` and `headers` are never read
[INFO] [stdout]  --> src/http_request.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct HttpRequest<'a> {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 5 |     pub version: &'a str,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 6 |     pub headers: Vec<Header<'a>>,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `HttpRequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key` and `value` are never read
[INFO] [stdout]   --> src/http_request.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Header<'a> {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 11 |     pub key: &'a str,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 12 |     pub value: &'a str,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Header` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]   --> src/http_reply.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub async fn post_reply(stream: &TcpStream, _request: HttpRequest<'_>) {
[INFO] [stdout]    |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `version` and `headers` are never read
[INFO] [stdout]  --> src/http_request.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct HttpRequest<'a> {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 5 |     pub version: &'a str,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 6 |     pub headers: Vec<Header<'a>>,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `HttpRequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key` and `value` are never read
[INFO] [stdout]   --> src/http_request.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Header<'a> {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 11 |     pub key: &'a str,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 12 |     pub value: &'a str,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Header` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.71s
[INFO] running `Command { std: "docker" "inspect" "e292c75c0930dbed2b7071da70648595ce86c10367f01bf0ceb89f2d7e8e5bd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e292c75c0930dbed2b7071da70648595ce86c10367f01bf0ceb89f2d7e8e5bd8", kill_on_drop: false }`
[INFO] [stdout] e292c75c0930dbed2b7071da70648595ce86c10367f01bf0ceb89f2d7e8e5bd8