[INFO] cloning repository https://github.com/mnpw/webserver-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mnpw/webserver-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmnpw%2Fwebserver-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmnpw%2Fwebserver-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45eceaf66e728ad294a8dce3aaeb3fc72a1ba6e3
[INFO] checking mnpw/webserver-rs against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmnpw%2Fwebserver-rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mnpw/webserver-rs
[INFO] finished tweaking git repo https://github.com/mnpw/webserver-rs
[INFO] tweaked toml for git repo https://github.com/mnpw/webserver-rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mnpw/webserver-rs on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mnpw/webserver-rs 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbf6f8c2599304fa3f0f49e37b216f8e5c1d21a734a4bdc0df8440eb8c767887
[INFO] running `Command { std: "docker" "start" "-a" "bbf6f8c2599304fa3f0f49e37b216f8e5c1d21a734a4bdc0df8440eb8c767887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbf6f8c2599304fa3f0f49e37b216f8e5c1d21a734a4bdc0df8440eb8c767887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbf6f8c2599304fa3f0f49e37b216f8e5c1d21a734a4bdc0df8440eb8c767887", kill_on_drop: false }`
[INFO] [stdout] bbf6f8c2599304fa3f0f49e37b216f8e5c1d21a734a4bdc0df8440eb8c767887
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f15805dbe80c24f295e594619a91498311aebb03dcc988585b21f8fc723067c
[INFO] running `Command { std: "docker" "start" "-a" "5f15805dbe80c24f295e594619a91498311aebb03dcc988585b21f8fc723067c", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking tracing-core v0.1.27
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]     Checking tokio v1.19.2
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking hyper v0.14.19
[INFO] [stderr]     Checking serde_tokenstream v0.1.3
[INFO] [stderr]     Checking webserver_macro v0.1.0 (/opt/rustwide/workdir/webserver_macro)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> webserver_macro/src/lib.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Signature`
[INFO] [stdout]   --> webserver_macro/src/lib.rs:53:23
[INFO] [stdout]    |
[INFO] [stdout] 53 |     use syn::{ItemFn, Signature, Visibility};
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `method` and `path` are never read
[INFO] [stdout]   --> webserver_macro/src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Metadata {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 15 |     method: MethodType,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 16 |     path: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Metadata` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `method` and `path` are never read
[INFO] [stdout]   --> webserver_macro/src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Metadata {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 15 |     method: MethodType,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 16 |     path: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Metadata` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `method` and `path` are never read
[INFO] [stdout]   --> webserver_macro/src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Metadata {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 15 |     method: MethodType,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 16 |     path: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Metadata` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking webserver v0.1.0 (/opt/rustwide/workdir/webserver)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, hyper::Response<Body>>
[INFO] [stdout]   --> webserver/src/lib.rs:63:28
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let mut response = router.route_match(&path)(request).await?;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<Body>, Infallible>
[INFO] [stdout]   --> webserver/src/lib.rs:63:28
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let mut response = router.route_match(&path)(request).await?;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<Body>, Infallible>
[INFO] [stdout]   --> webserver/src/lib.rs:63:63
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let mut response = router.route_match(&path)(request).await?;
[INFO] [stdout]    |                                                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<Body>, Infallible>
[INFO] [stdout]   --> webserver/src/lib.rs:63:28
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let mut response = router.route_match(&path)(request).await?;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, hyper::Response<Body>>
[INFO] [stdout]   --> webserver/src/lib.rs:63:28
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let mut response = router.route_match(&path)(request).await?;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<Body>, Infallible>
[INFO] [stdout]   --> webserver/src/lib.rs:63:28
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let mut response = router.route_match(&path)(request).await?;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<Body>, Infallible>
[INFO] [stdout]   --> webserver/src/lib.rs:63:63
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let mut response = router.route_match(&path)(request).await?;
[INFO] [stdout]    |                                                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<Body>, Infallible>
[INFO] [stdout]   --> webserver/src/lib.rs:63:28
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let mut response = router.route_match(&path)(request).await?;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `webserver` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `webserver` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "5f15805dbe80c24f295e594619a91498311aebb03dcc988585b21f8fc723067c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f15805dbe80c24f295e594619a91498311aebb03dcc988585b21f8fc723067c", kill_on_drop: false }`
[INFO] [stdout] 5f15805dbe80c24f295e594619a91498311aebb03dcc988585b21f8fc723067c