[INFO] cloning repository https://github.com/RashikShahjahan/larn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RashikShahjahan/larn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRashikShahjahan%2Flarn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRashikShahjahan%2Flarn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8393f18f7877a4ec39a11ead0a4757a3b123a638
[INFO] checking RashikShahjahan/larn against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRashikShahjahan%2Flarn" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/RashikShahjahan/larn
[INFO] finished tweaking git repo https://github.com/RashikShahjahan/larn
[INFO] tweaked toml for git repo https://github.com/RashikShahjahan/larn written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/RashikShahjahan/larn on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/RashikShahjahan/larn 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.81
[INFO] [stderr]   Downloaded redis v0.27.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 136b54910719b13674ffd198c0724915069a4c04253612948fceaacfa1d3ac27
[INFO] running `Command { std: "docker" "start" "-a" "136b54910719b13674ffd198c0724915069a4c04253612948fceaacfa1d3ac27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "136b54910719b13674ffd198c0724915069a4c04253612948fceaacfa1d3ac27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "136b54910719b13674ffd198c0724915069a4c04253612948fceaacfa1d3ac27", kill_on_drop: false }`
[INFO] [stdout] 136b54910719b13674ffd198c0724915069a4c04253612948fceaacfa1d3ac27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 667046082c8aad5b44ea7add7dd4d40b5ccf51e2e45351aecc1b2a9a0004047d
[INFO] running `Command { std: "docker" "start" "-a" "667046082c8aad5b44ea7add7dd4d40b5ccf51e2e45351aecc1b2a9a0004047d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.1.31
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling syn v2.0.81
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking anstyle-parse v0.2.5
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]     Checking anstyle-query v1.1.1
[INFO] [stderr]     Checking anstyle v1.0.8
[INFO] [stderr]     Checking colorchoice v1.0.2
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking combine v4.6.7
[INFO] [stderr]     Checking sha1_smol v1.0.1
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]     Checking clap_builder v4.5.20
[INFO] [stderr]    Compiling openssl-sys v0.9.104
[INFO] [stderr]    Compiling openssl v0.10.68
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]     Checking http-body-util v0.1.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking clap v4.5.20
[INFO] [stderr]     Checking redis v0.27.5
[INFO] [stderr]     Checking tokio-util v0.7.12
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.4.6
[INFO] [stderr]     Checking hyper v1.5.0
[INFO] [stderr]     Checking hyper-util v0.1.9
[INFO] [stderr]     Checking hyper-tls v0.6.0
[INFO] [stderr]     Checking reqwest v0.12.8
[INFO] [stderr]     Checking larn v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/commands/learn.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | fn retrieve_feedback() -> Result<String, Box<dyn Error>> {
[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 <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: FromRedisValue` will fail
[INFO] [stdout]   --> src/commands/learn.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |             con.del(&key)?;  
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    = note: `#[warn(dependency_on_unit_never_type_fallback)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 21 |             con.del::<_, ()>(&key)?;  
[INFO] [stdout]    |                    +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/commands/learn.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | fn retrieve_feedback() -> Result<String, Box<dyn Error>> {
[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 <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: FromRedisValue` will fail
[INFO] [stdout]   --> src/commands/learn.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |             con.del(&key)?;  
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    = note: `#[warn(dependency_on_unit_never_type_fallback)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 21 |             con.del::<_, ()>(&key)?;  
[INFO] [stdout]    |                    +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.51s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: larn v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "667046082c8aad5b44ea7add7dd4d40b5ccf51e2e45351aecc1b2a9a0004047d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "667046082c8aad5b44ea7add7dd4d40b5ccf51e2e45351aecc1b2a9a0004047d", kill_on_drop: false }`
[INFO] [stdout] 667046082c8aad5b44ea7add7dd4d40b5ccf51e2e45351aecc1b2a9a0004047d
