[INFO] cloning repository https://github.com/jakubfronczyk/rust-web-server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakubfronczyk/rust-web-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubfronczyk%2Frust-web-server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubfronczyk%2Frust-web-server'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7bf1ed4f203f2897bac588812ca3b74f3eb20f79 [INFO] checking jakubfronczyk/rust-web-server against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubfronczyk%2Frust-web-server" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jakubfronczyk/rust-web-server on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jakubfronczyk/rust-web-server [INFO] finished tweaking git repo https://github.com/jakubfronczyk/rust-web-server [INFO] tweaked toml for git repo https://github.com/jakubfronczyk/rust-web-server written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jakubfronczyk/rust-web-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded windows-targets v0.48.5 [INFO] [stderr] Downloaded windows-targets v0.52.4 [INFO] [stderr] Downloaded tokio-macros v2.2.0 [INFO] [stderr] Downloaded scopeguard v1.2.0 [INFO] [stderr] Downloaded hermit-abi v0.3.9 [INFO] [stderr] Downloaded autocfg v1.1.0 [INFO] [stderr] Downloaded rustc-demangle v0.1.23 [INFO] [stderr] Downloaded lock_api v0.4.11 [INFO] [stderr] Downloaded wasi v0.11.0+wasi-snapshot-preview1 [INFO] [stderr] Downloaded addr2line v0.21.0 [INFO] [stderr] Downloaded backtrace v0.3.69 [INFO] [stderr] Downloaded memchr v2.7.1 [INFO] [stderr] Downloaded gimli v0.28.1 [INFO] [stderr] Downloaded object v0.32.2 [INFO] [stderr] Downloaded windows_aarch64_gnullvm v0.52.4 [INFO] [stderr] Downloaded windows_aarch64_msvc v0.52.4 [INFO] [stderr] Downloaded windows_i686_gnu v0.52.4 [INFO] [stderr] Downloaded windows_i686_msvc v0.52.4 [INFO] [stderr] Downloaded windows_x86_64_gnu v0.52.4 [INFO] [stderr] Downloaded windows_x86_64_msvc v0.52.4 [INFO] [stderr] Downloaded windows_aarch64_msvc v0.48.5 [INFO] [stderr] Downloaded windows_i686_gnu v0.48.5 [INFO] [stderr] Downloaded windows_i686_msvc v0.48.5 [INFO] [stderr] Downloaded windows_x86_64_gnu v0.48.5 [INFO] [stderr] Downloaded windows_x86_64_msvc v0.48.5 [INFO] [stderr] Downloaded tokio v1.36.0 [INFO] [stderr] Downloaded windows-sys v0.52.0 [INFO] [stderr] Downloaded windows-sys v0.48.0 [INFO] [stderr] Downloaded windows_x86_64_gnullvm v0.52.4 [INFO] [stderr] Downloaded windows_aarch64_gnullvm v0.48.5 [INFO] [stderr] Downloaded windows_x86_64_gnullvm v0.48.5 [INFO] [stderr] Downloaded syn v2.0.53 [INFO] [stderr] Downloaded bytes v1.5.0 [INFO] [stderr] Downloaded mio v0.8.11 [INFO] [stderr] Downloaded socket2 v0.5.6 [INFO] [stderr] Downloaded parking_lot v0.12.1 [INFO] [stderr] Downloaded signal-hook-registry v1.4.1 [INFO] [stderr] Downloaded redox_syscall v0.4.1 [INFO] [stderr] Downloaded pin-project-lite v0.2.13 [INFO] [stderr] Downloaded smallvec v1.13.1 [INFO] [stderr] Downloaded parking_lot_core v0.9.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3fce6f26d477045e4cee7cd62b501a2ff901c288b8f9929f215944eb21ea7179 [INFO] running `Command { std: "docker" "start" "-a" "3fce6f26d477045e4cee7cd62b501a2ff901c288b8f9929f215944eb21ea7179", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3fce6f26d477045e4cee7cd62b501a2ff901c288b8f9929f215944eb21ea7179", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3fce6f26d477045e4cee7cd62b501a2ff901c288b8f9929f215944eb21ea7179", kill_on_drop: false }` [INFO] [stdout] 3fce6f26d477045e4cee7cd62b501a2ff901c288b8f9929f215944eb21ea7179 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cdb089827a387fd4e687886b5467af4c6267c58e3c49c5ad7ada79172a52de76 [INFO] running `Command { std: "docker" "start" "-a" "cdb089827a387fd4e687886b5467af4c6267c58e3c49c5ad7ada79172a52de76", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Checking smallvec v1.13.1 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.53 [INFO] [stderr] Checking socket2 v0.5.6 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Checking tokio v1.36.0 [INFO] [stderr] Checking rust-web-server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let mut res_headers: HashMap = HashMap::new(); [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let mut res_headers: HashMap = HashMap::new(); [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: field `0` is never read [INFO] [stdout] --> src/http/request.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 8 | Utf8Error(std::string::FromUtf8Error), [INFO] [stdout] | --------- ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 8 | Utf8Error(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/http/request.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | IOError(std::io::Error), [INFO] [stdout] | ------- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 9 | IOError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `PUT`, `PATCH`, `OPTION`, and `DELETE` are never constructed [INFO] [stdout] --> src/http/request.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 25 | pub enum Method { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] ... [INFO] [stdout] 28 | PUT, [INFO] [stdout] | ^^^ [INFO] [stdout] 29 | PATCH, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 30 | OPTION, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 31 | DELETE, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Method` 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 `query_params` and `path_params` are never read [INFO] [stdout] --> src/http/request.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 69 | pub struct Request { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 74 | pub query_params: HashMap, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 75 | pub path_params: HashMap, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/http/request.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 8 | Utf8Error(std::string::FromUtf8Error), [INFO] [stdout] | --------- ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 8 | Utf8Error(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/http/request.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | IOError(std::io::Error), [INFO] [stdout] | ------- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 9 | IOError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `PUT`, `PATCH`, `OPTION`, and `DELETE` are never constructed [INFO] [stdout] --> src/http/request.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 25 | pub enum Method { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] ... [INFO] [stdout] 28 | PUT, [INFO] [stdout] | ^^^ [INFO] [stdout] 29 | PATCH, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 30 | OPTION, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 31 | DELETE, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Method` 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 `query_params` and `path_params` are never read [INFO] [stdout] --> src/http/request.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 69 | pub struct Request { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 74 | pub query_params: HashMap, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 75 | pub path_params: HashMap, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | handle(socket).await; [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] 44 | let _ = handle(socket).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | handle(socket).await; [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] 44 | let _ = handle(socket).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.07s [INFO] running `Command { std: "docker" "inspect" "cdb089827a387fd4e687886b5467af4c6267c58e3c49c5ad7ada79172a52de76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cdb089827a387fd4e687886b5467af4c6267c58e3c49c5ad7ada79172a52de76", kill_on_drop: false }` [INFO] [stdout] cdb089827a387fd4e687886b5467af4c6267c58e3c49c5ad7ada79172a52de76