[INFO] cloning repository https://github.com/An-n-ya/python_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/An-n-ya/python_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAn-n-ya%2Fpython_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAn-n-ya%2Fpython_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f80f9d63c28e8638d38cf33c4c5997faef7c32b
[INFO] checking An-n-ya/python_rs against master#3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0 for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAn-n-ya%2Fpython_rs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/An-n-ya/python_rs
[INFO] finished tweaking git repo https://github.com/An-n-ya/python_rs
[INFO] tweaked toml for git repo https://github.com/An-n-ya/python_rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/An-n-ya/python_rs on toolchain 3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/An-n-ya/python_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" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e13fe62726f1b01d08c63e10154d1cff3141d97195655b409c899d1388fc570c
[INFO] running `Command { std: "docker" "start" "-a" "e13fe62726f1b01d08c63e10154d1cff3141d97195655b409c899d1388fc570c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e13fe62726f1b01d08c63e10154d1cff3141d97195655b409c899d1388fc570c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e13fe62726f1b01d08c63e10154d1cff3141d97195655b409c899d1388fc570c", kill_on_drop: false }`
[INFO] [stdout] e13fe62726f1b01d08c63e10154d1cff3141d97195655b409c899d1388fc570c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2624c2eb04e3daf40cbd1dba42fb3f1a76270f3741fad14a38f24f512ff74583
[INFO] running `Command { std: "docker" "start" "-a" "2624c2eb04e3daf40cbd1dba42fb3f1a76270f3741fad14a38f24f512ff74583", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking strsim v0.11.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking iana-time-zone v0.1.59
[INFO] [stderr]     Checking dyn-hash v0.1.2
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking dyn-eq v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking anstream v0.6.11
[INFO] [stderr]     Checking clap_builder v4.5.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking chrono v0.4.32
[INFO] [stderr]    Compiling clap_derive v4.5.0
[INFO] [stderr]     Checking clap v4.5.0
[INFO] [stderr]     Checking python_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `DowncastErr` is never constructed
[INFO] [stdout]   --> src/utils/mod.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct DowncastErr {}
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/utils/mod.rs:21:43
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn downcast_refcell<T: PyObjectTrait>(&self) -> Option<Ref<T>>;
[INFO] [stdout]    |                                           ^^^^^            ------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                           |
[INFO] [stdout]    |                                           this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn downcast_refcell<T: PyObjectTrait>(&self) -> Option<Ref<'_, T>>;
[INFO] [stdout]    |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/utils/mod.rs:22:47
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn downcast_refcell_mut<T: PyObjectTrait>(&self) -> Option<RefMut<T>>;
[INFO] [stdout]    |                                               ^^^^^            --------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn downcast_refcell_mut<T: PyObjectTrait>(&self) -> Option<RefMut<'_, T>>;
[INFO] [stdout]    |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/utils/mod.rs:60:43
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn downcast_refcell<T: PyObjectTrait>(&self) -> Option<Ref<T>> {
[INFO] [stdout]    |                                           ^^^^^            ------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                           |
[INFO] [stdout]    |                                           this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn downcast_refcell<T: PyObjectTrait>(&self) -> Option<Ref<'_, T>> {
[INFO] [stdout]    |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/utils/mod.rs:75:47
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn downcast_refcell_mut<T: PyObjectTrait>(&self) -> Option<RefMut<T>> {
[INFO] [stdout]    |                                               ^^^^^            --------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn downcast_refcell_mut<T: PyObjectTrait>(&self) -> Option<RefMut<'_, T>> {
[INFO] [stdout]    |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DowncastErr` is never constructed
[INFO] [stdout]   --> src/utils/mod.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct DowncastErr {}
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/utils/mod.rs:21:43
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn downcast_refcell<T: PyObjectTrait>(&self) -> Option<Ref<T>>;
[INFO] [stdout]    |                                           ^^^^^            ------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                           |
[INFO] [stdout]    |                                           this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn downcast_refcell<T: PyObjectTrait>(&self) -> Option<Ref<'_, T>>;
[INFO] [stdout]    |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/utils/mod.rs:22:47
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn downcast_refcell_mut<T: PyObjectTrait>(&self) -> Option<RefMut<T>>;
[INFO] [stdout]    |                                               ^^^^^            --------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn downcast_refcell_mut<T: PyObjectTrait>(&self) -> Option<RefMut<'_, T>>;
[INFO] [stdout]    |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/utils/mod.rs:60:43
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn downcast_refcell<T: PyObjectTrait>(&self) -> Option<Ref<T>> {
[INFO] [stdout]    |                                           ^^^^^            ------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                           |
[INFO] [stdout]    |                                           this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn downcast_refcell<T: PyObjectTrait>(&self) -> Option<Ref<'_, T>> {
[INFO] [stdout]    |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/utils/mod.rs:75:47
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn downcast_refcell_mut<T: PyObjectTrait>(&self) -> Option<RefMut<T>> {
[INFO] [stdout]    |                                               ^^^^^            --------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn downcast_refcell_mut<T: PyObjectTrait>(&self) -> Option<RefMut<'_, T>> {
[INFO] [stdout]    |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.86s
[INFO] running `Command { std: "docker" "inspect" "2624c2eb04e3daf40cbd1dba42fb3f1a76270f3741fad14a38f24f512ff74583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2624c2eb04e3daf40cbd1dba42fb3f1a76270f3741fad14a38f24f512ff74583", kill_on_drop: false }`
[INFO] [stdout] 2624c2eb04e3daf40cbd1dba42fb3f1a76270f3741fad14a38f24f512ff74583
