[INFO] fetching crate mlflow 0.1.0... [INFO] testing mlflow-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate mlflow 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate mlflow 0.1.0 [INFO] finished tweaking crates.io crate mlflow 0.1.0 [INFO] tweaked toml for crates.io crate mlflow 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mlflow 0.1.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mlflow 0.1.0 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0c1037efbebb9584005d3ab83925fa521ff61c330c1bdd86d3eb8197e99c6661 [INFO] running `Command { std: "docker" "start" "-a" "0c1037efbebb9584005d3ab83925fa521ff61c330c1bdd86d3eb8197e99c6661", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0c1037efbebb9584005d3ab83925fa521ff61c330c1bdd86d3eb8197e99c6661", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c1037efbebb9584005d3ab83925fa521ff61c330c1bdd86d3eb8197e99c6661", kill_on_drop: false }` [INFO] [stdout] 0c1037efbebb9584005d3ab83925fa521ff61c330c1bdd86d3eb8197e99c6661 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 690f415874932aa47b6df88924acbf871ad96b7609349479c6b2e3ffc5c25fdd [INFO] running `Command { std: "docker" "start" "-a" "690f415874932aa47b6df88924acbf871ad96b7609349479c6b2e3ffc5c25fdd", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling cc v1.0.62 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling once_cell v1.5.2 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling base64 v0.12.3 [INFO] [stderr] Compiling anyhow v1.0.34 [INFO] [stderr] Compiling nanoserde-derive v0.1.12 [INFO] [stderr] Compiling tinyvec v1.0.1 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling form_urlencoded v1.0.0 [INFO] [stderr] Compiling qstring v0.7.2 [INFO] [stderr] Compiling chunked_transfer v1.3.0 [INFO] [stderr] Compiling nanoserde v0.1.20 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling ring v0.16.16 [INFO] [stderr] Compiling unicode-normalization v0.1.15 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling url v2.2.0 [INFO] [stderr] Compiling thiserror-impl v1.0.22 [INFO] [stderr] Compiling webpki v0.21.3 [INFO] [stderr] Compiling sct v0.6.0 [INFO] [stderr] Compiling rustls v0.18.1 [INFO] [stderr] Compiling webpki-roots v0.20.0 [INFO] [stderr] Compiling thiserror v1.0.22 [INFO] [stderr] Compiling ureq v1.5.2 [INFO] [stderr] Compiling mlflow v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `experiment_id` is never read [INFO] [stdout] --> src/storage/server.rs:254:17 [INFO] [stdout] | [INFO] [stdout] 253 | pub struct Response { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 254 | pub experiment_id: String, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Response` is never constructed [INFO] [stdout] --> src/storage/server.rs:315:20 [INFO] [stdout] | [INFO] [stdout] 315 | pub struct Response { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FileInfo` is never constructed [INFO] [stdout] --> src/storage/primitive.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 23 | pub struct FileInfo { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/client.rs:32:30 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn create_experiment(&self, name: &str) -> Option { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 32 | pub fn create_experiment(&self, name: &str) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/client.rs:42:27 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn get_experiment(&self, name: &str) -> Option { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 42 | pub fn get_experiment(&self, name: &str) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/client.rs:52:29 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn list_experiments(&self) -> Vec { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 52 | pub fn list_experiments(&self) -> Vec> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/client.rs:59:34 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn try_create_experiment(&self, name: &str) -> Result { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 59 | pub fn try_create_experiment(&self, name: &str) -> Result, CreateExperimentError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/client.rs:64:31 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn try_get_experiment(&self, name: &str) -> Result { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 64 | pub fn try_get_experiment(&self, name: &str) -> Result, GetExperimentError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/client.rs:69:33 [INFO] [stdout] | [INFO] [stdout] 69 | pub fn try_list_experiments(&self) -> Result, StorageError> { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 69 | pub fn try_list_experiments(&self) -> Result>, StorageError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/experiment.rs:25:23 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn create_run(&self) -> Run { [INFO] [stdout] | ^^^^^ ^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 25 | pub fn create_run(&self) -> Run<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/experiment.rs:32:27 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn try_create_run(&self) -> Result { [INFO] [stdout] | ^^^^^ ^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 32 | pub fn try_create_run(&self) -> Result, errors::StorageError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.55s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nanoserde-derive v0.1.12 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5` [INFO] running `Command { std: "docker" "inspect" "690f415874932aa47b6df88924acbf871ad96b7609349479c6b2e3ffc5c25fdd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "690f415874932aa47b6df88924acbf871ad96b7609349479c6b2e3ffc5c25fdd", kill_on_drop: false }` [INFO] [stdout] 690f415874932aa47b6df88924acbf871ad96b7609349479c6b2e3ffc5c25fdd [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 13ec4f9098ea54767b0f5a91feeeb9eeea927e0be7baedffb46afd0f69e5bf60 [INFO] running `Command { std: "docker" "start" "-a" "13ec4f9098ea54767b0f5a91feeeb9eeea927e0be7baedffb46afd0f69e5bf60", kill_on_drop: false }` [INFO] [stderr] Compiling nanorand v0.4.4 [INFO] [stderr] Compiling pico-args v0.3.4 [INFO] [stdout] warning: field `experiment_id` is never read [INFO] [stdout] --> src/storage/server.rs:254:17 [INFO] [stdout] | [INFO] [stdout] 253 | pub struct Response { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 254 | pub experiment_id: String, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Response` is never constructed [INFO] [stdout] --> src/storage/server.rs:315:20 [INFO] [stdout] | [INFO] [stdout] 315 | pub struct Response { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FileInfo` is never constructed [INFO] [stdout] --> src/storage/primitive.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 23 | pub struct FileInfo { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/client.rs:32:30 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn create_experiment(&self, name: &str) -> Option { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 32 | pub fn create_experiment(&self, name: &str) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/client.rs:42:27 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn get_experiment(&self, name: &str) -> Option { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 42 | pub fn get_experiment(&self, name: &str) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/client.rs:52:29 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn list_experiments(&self) -> Vec { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 52 | pub fn list_experiments(&self) -> Vec> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/client.rs:59:34 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn try_create_experiment(&self, name: &str) -> Result { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 59 | pub fn try_create_experiment(&self, name: &str) -> Result, CreateExperimentError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/client.rs:64:31 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn try_get_experiment(&self, name: &str) -> Result { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 64 | pub fn try_get_experiment(&self, name: &str) -> Result, GetExperimentError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/client.rs:69:33 [INFO] [stdout] | [INFO] [stdout] 69 | pub fn try_list_experiments(&self) -> Result, StorageError> { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 69 | pub fn try_list_experiments(&self) -> Result>, StorageError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/experiment.rs:25:23 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn create_run(&self) -> Run { [INFO] [stdout] | ^^^^^ ^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 25 | pub fn create_run(&self) -> Run<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/experiment.rs:32:27 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn try_create_run(&self) -> Result { [INFO] [stdout] | ^^^^^ ^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 32 | pub fn try_create_run(&self) -> Result, errors::StorageError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling mlflow v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `experiment_id` is never read [INFO] [stdout] --> src/storage/server.rs:254:17 [INFO] [stdout] | [INFO] [stdout] 253 | pub struct Response { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 254 | pub experiment_id: String, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Response` is never constructed [INFO] [stdout] --> src/storage/server.rs:315:20 [INFO] [stdout] | [INFO] [stdout] 315 | pub struct Response { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FileInfo` is never constructed [INFO] [stdout] --> src/storage/primitive.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 23 | pub struct FileInfo { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/client.rs:32:30 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn create_experiment(&self, name: &str) -> Option { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 32 | pub fn create_experiment(&self, name: &str) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/client.rs:42:27 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn get_experiment(&self, name: &str) -> Option { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 42 | pub fn get_experiment(&self, name: &str) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/client.rs:52:29 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn list_experiments(&self) -> Vec { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 52 | pub fn list_experiments(&self) -> Vec> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/client.rs:59:34 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn try_create_experiment(&self, name: &str) -> Result { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 59 | pub fn try_create_experiment(&self, name: &str) -> Result, CreateExperimentError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/client.rs:64:31 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn try_get_experiment(&self, name: &str) -> Result { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 64 | pub fn try_get_experiment(&self, name: &str) -> Result, GetExperimentError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/client.rs:69:33 [INFO] [stdout] | [INFO] [stdout] 69 | pub fn try_list_experiments(&self) -> Result, StorageError> { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 69 | pub fn try_list_experiments(&self) -> Result>, StorageError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/experiment.rs:25:23 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn create_run(&self) -> Run { [INFO] [stdout] | ^^^^^ ^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 25 | pub fn create_run(&self) -> Run<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/experiment.rs:32:27 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn try_create_run(&self) -> Result { [INFO] [stdout] | ^^^^^ ^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 32 | pub fn try_create_run(&self) -> Result, errors::StorageError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.05s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nanoserde-derive v0.1.12 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5` [INFO] running `Command { std: "docker" "inspect" "13ec4f9098ea54767b0f5a91feeeb9eeea927e0be7baedffb46afd0f69e5bf60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13ec4f9098ea54767b0f5a91feeeb9eeea927e0be7baedffb46afd0f69e5bf60", kill_on_drop: false }` [INFO] [stdout] 13ec4f9098ea54767b0f5a91feeeb9eeea927e0be7baedffb46afd0f69e5bf60 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0a293a3a4cc07917786a4bc64830d08d0d973576ad22b0ad993b3809e3690f97 [INFO] running `Command { std: "docker" "start" "-a" "0a293a3a4cc07917786a4bc64830d08d0d973576ad22b0ad993b3809e3690f97", kill_on_drop: false }` [INFO] [stderr] warning: field `experiment_id` is never read [INFO] [stderr] --> src/storage/server.rs:254:17 [INFO] [stderr] | [INFO] [stderr] 253 | pub struct Response { [INFO] [stderr] | -------- field in this struct [INFO] [stderr] 254 | pub experiment_id: String, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: struct `Response` is never constructed [INFO] [stderr] --> src/storage/server.rs:315:20 [INFO] [stderr] | [INFO] [stderr] 315 | pub struct Response { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `FileInfo` is never constructed [INFO] [stderr] --> src/storage/primitive.rs:23:12 [INFO] [stderr] | [INFO] [stderr] 23 | pub struct FileInfo { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/client.rs:32:30 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn create_experiment(&self, name: &str) -> Option { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 32 | pub fn create_experiment(&self, name: &str) -> Option> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/client.rs:42:27 [INFO] [stderr] | [INFO] [stderr] 42 | pub fn get_experiment(&self, name: &str) -> Option { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 42 | pub fn get_experiment(&self, name: &str) -> Option> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/client.rs:52:29 [INFO] [stderr] | [INFO] [stderr] 52 | pub fn list_experiments(&self) -> Vec { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 52 | pub fn list_experiments(&self) -> Vec> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/client.rs:59:34 [INFO] [stderr] | [INFO] [stderr] 59 | pub fn try_create_experiment(&self, name: &str) -> Result { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 59 | pub fn try_create_experiment(&self, name: &str) -> Result, CreateExperimentError> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/client.rs:64:31 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn try_get_experiment(&self, name: &str) -> Result { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 64 | pub fn try_get_experiment(&self, name: &str) -> Result, GetExperimentError> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/client.rs:69:33 [INFO] [stderr] | [INFO] [stderr] 69 | pub fn try_list_experiments(&self) -> Result, StorageError> { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 69 | pub fn try_list_experiments(&self) -> Result>, StorageError> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/experiment.rs:25:23 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn create_run(&self) -> Run { [INFO] [stderr] | ^^^^^ ^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 25 | pub fn create_run(&self) -> Run<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/experiment.rs:32:27 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn try_create_run(&self) -> Result { [INFO] [stderr] | ^^^^^ ^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 32 | pub fn try_create_run(&self) -> Result, errors::StorageError> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `mlflow` (lib) generated 11 warnings (run `cargo fix --lib -p mlflow` to apply 8 suggestions) [INFO] [stderr] warning: `mlflow` (lib test) generated 11 warnings (11 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nanoserde-derive v0.1.12 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5` [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mlflow-25f8d7fd812398c2) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests mlflow [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0a293a3a4cc07917786a4bc64830d08d0d973576ad22b0ad993b3809e3690f97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a293a3a4cc07917786a4bc64830d08d0d973576ad22b0ad993b3809e3690f97", kill_on_drop: false }` [INFO] [stdout] 0a293a3a4cc07917786a4bc64830d08d0d973576ad22b0ad993b3809e3690f97