[INFO] fetching crate hackathon_question1 0.1.0... [INFO] checking hackathon_question1-0.1.0 against try#e90f1ff63e694965281f833819a486da29772bdf for pr-146167 [INFO] extracting crate hackathon_question1 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate hackathon_question1 0.1.0 [INFO] finished tweaking crates.io crate hackathon_question1 0.1.0 [INFO] tweaked toml for crates.io crate hackathon_question1 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate hackathon_question1 0.1.0 on toolchain e90f1ff63e694965281f833819a486da29772bdf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 167 packages to latest compatible versions [INFO] [stderr] Adding reqwest v0.10.10 (available: v0.12.23) [INFO] [stderr] Adding tokio v0.2.25 (available: v1.47.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 407daa1332f1e42d2f7dd11d0f7091b2219d02d6a805c9cce094307549afae61 [INFO] running `Command { std: "docker" "start" "-a" "407daa1332f1e42d2f7dd11d0f7091b2219d02d6a805c9cce094307549afae61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "407daa1332f1e42d2f7dd11d0f7091b2219d02d6a805c9cce094307549afae61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "407daa1332f1e42d2f7dd11d0f7091b2219d02d6a805c9cce094307549afae61", kill_on_drop: false }` [INFO] [stdout] 407daa1332f1e42d2f7dd11d0f7091b2219d02d6a805c9cce094307549afae61 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1d03724b3b3330261e854768efbe7bd45b998d2ef6a70afcbb5f334d2305f8cf [INFO] running `Command { std: "docker" "start" "-a" "1d03724b3b3330261e854768efbe7bd45b998d2ef6a70afcbb5f334d2305f8cf", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking serde v1.0.219 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking httpdate v0.3.2 [INFO] [stderr] Checking json v0.12.4 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking num_cpus v1.17.0 [INFO] [stderr] Checking openssl-sys v0.9.109 [INFO] [stderr] Checking socket2 v0.3.19 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking serde_json v1.0.143 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking url v2.5.7 [INFO] [stderr] Checking openssl v0.10.73 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking h2 v0.2.7 [INFO] [stderr] Checking native-tls v0.2.14 [INFO] [stderr] Checking tokio-tls v0.3.1 [INFO] [stderr] Checking hyper v0.13.10 [INFO] [stderr] Checking hyper-tls v0.4.3 [INFO] [stderr] Checking reqwest v0.10.10 [INFO] [stderr] Checking hackathon_question1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this function depends on never type fallback being `()` [INFO] [stdout] --> src/lib.rs:45:1 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn jsonresponse() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `for<'de> !: Deserialize<'de>` will fail [INFO] [stdout] --> src/lib.rs:48:6 [INFO] [stdout] | [INFO] [stdout] 48 | .json()?; [INFO] [stdout] | ^^^^ [INFO] [stdout] = note: `#[deny(dependency_on_unit_never_type_fallback)]` (part of `#[deny(rust_2024_compatibility)]`) on by default [INFO] [stdout] help: use `()` annotations to avoid fallback changes [INFO] [stdout] | [INFO] [stdout] 46 | let resp: () = reqwest::blocking::get("http://api.weatherapi.com/v1/current.json?key=3f3fc68039bb425d9bf213209200407&q=karachi [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `resp` [INFO] [stdout] --> src/lib.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let resp = reqwest::blocking::get("http://api.weatherapi.com/v1/current.json?key=3f3fc68039bb425d9bf213209200407&q=karachi [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_resp` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `hackathon_question1` (lib) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this function depends on never type fallback being `()` [INFO] [stdout] --> src/lib.rs:45:1 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn jsonresponse() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `for<'de> !: Deserialize<'de>` will fail [INFO] [stdout] --> src/lib.rs:48:6 [INFO] [stdout] | [INFO] [stdout] 48 | .json()?; [INFO] [stdout] | ^^^^ [INFO] [stdout] = note: `#[deny(dependency_on_unit_never_type_fallback)]` (part of `#[deny(rust_2024_compatibility)]`) on by default [INFO] [stdout] help: use `()` annotations to avoid fallback changes [INFO] [stdout] | [INFO] [stdout] 46 | let resp: () = reqwest::blocking::get("http://api.weatherapi.com/v1/current.json?key=3f3fc68039bb425d9bf213209200407&q=karachi [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `resp` [INFO] [stdout] --> src/lib.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let resp = reqwest::blocking::get("http://api.weatherapi.com/v1/current.json?key=3f3fc68039bb425d9bf213209200407&q=karachi [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_resp` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `hackathon_question1` (lib test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "1d03724b3b3330261e854768efbe7bd45b998d2ef6a70afcbb5f334d2305f8cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d03724b3b3330261e854768efbe7bd45b998d2ef6a70afcbb5f334d2305f8cf", kill_on_drop: false }` [INFO] [stdout] 1d03724b3b3330261e854768efbe7bd45b998d2ef6a70afcbb5f334d2305f8cf