[INFO] fetching crate mlflow 0.1.0...
[INFO] testing mlflow-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mlflow 0.1.0 into /workspace/builds/worker-1-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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mlflow 0.1.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b4cb2a4696bcc1cc37f265ea484e28011587f27670030ca45f3cc9aab737e00
[INFO] running `Command { std: "docker" "start" "-a" "3b4cb2a4696bcc1cc37f265ea484e28011587f27670030ca45f3cc9aab737e00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b4cb2a4696bcc1cc37f265ea484e28011587f27670030ca45f3cc9aab737e00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b4cb2a4696bcc1cc37f265ea484e28011587f27670030ca45f3cc9aab737e00", kill_on_drop: false }`
[INFO] [stdout] 3b4cb2a4696bcc1cc37f265ea484e28011587f27670030ca45f3cc9aab737e00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d6210f712da9a55638523dfb3da7472d19079b460575582fd5e428e8cd48935
[INFO] running `Command { std: "docker" "start" "-a" "9d6210f712da9a55638523dfb3da7472d19079b460575582fd5e428e8cd48935", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling tinyvec v1.0.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling qstring v0.7.2
[INFO] [stderr]    Compiling nanoserde-derive v0.1.12
[INFO] [stderr]    Compiling chunked_transfer v1.3.0
[INFO] [stderr]    Compiling ring v0.16.16
[INFO] [stderr]    Compiling unicode-normalization v0.1.15
[INFO] [stderr]    Compiling nanoserde v0.1.20
[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 webpki-roots v0.20.0
[INFO] [stderr]    Compiling rustls v0.18.1
[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<Experiment> {
[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<Experiment<'_>> {
[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<Experiment> {
[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<Experiment<'_>> {
[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<Experiment> {
[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<Experiment<'_>> {
[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<Experiment, CreateExperimentError> {
[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<Experiment<'_>, 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<Experiment, GetExperimentError> {
[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<Experiment<'_>, 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<Vec<Experiment>, 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<Vec<Experiment<'_>>, 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<Run, errors::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] 32 |     pub fn try_create_run(&self) -> Result<Run<'_>, errors::StorageError> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.45s
[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 6`
[INFO] running `Command { std: "docker" "inspect" "9d6210f712da9a55638523dfb3da7472d19079b460575582fd5e428e8cd48935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d6210f712da9a55638523dfb3da7472d19079b460575582fd5e428e8cd48935", kill_on_drop: false }`
[INFO] [stdout] 9d6210f712da9a55638523dfb3da7472d19079b460575582fd5e428e8cd48935
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6c26b65fa870edbb1150eb5da3659964fe5567ec05b93c1a897369ca160a965
[INFO] running `Command { std: "docker" "start" "-a" "d6c26b65fa870edbb1150eb5da3659964fe5567ec05b93c1a897369ca160a965", 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<Experiment> {
[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<Experiment<'_>> {
[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<Experiment> {
[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<Experiment<'_>> {
[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<Experiment> {
[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<Experiment<'_>> {
[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<Experiment, CreateExperimentError> {
[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<Experiment<'_>, 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<Experiment, GetExperimentError> {
[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<Experiment<'_>, 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<Vec<Experiment>, 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<Vec<Experiment<'_>>, 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<Run, errors::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] 32 |     pub fn try_create_run(&self) -> Result<Run<'_>, 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<Experiment> {
[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<Experiment<'_>> {
[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<Experiment> {
[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<Experiment<'_>> {
[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<Experiment> {
[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<Experiment<'_>> {
[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<Experiment, CreateExperimentError> {
[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<Experiment<'_>, 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<Experiment, GetExperimentError> {
[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<Experiment<'_>, 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<Vec<Experiment>, 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<Vec<Experiment<'_>>, 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<Run, errors::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] 32 |     pub fn try_create_run(&self) -> Result<Run<'_>, errors::StorageError> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.54s
[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 6`
[INFO] running `Command { std: "docker" "inspect" "d6c26b65fa870edbb1150eb5da3659964fe5567ec05b93c1a897369ca160a965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6c26b65fa870edbb1150eb5da3659964fe5567ec05b93c1a897369ca160a965", kill_on_drop: false }`
[INFO] [stdout] d6c26b65fa870edbb1150eb5da3659964fe5567ec05b93c1a897369ca160a965
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7624ae9a65ae47f8c095ab20e392ac18f3e845cb53909c314a6cf152c0444905
[INFO] running `Command { std: "docker" "start" "-a" "7624ae9a65ae47f8c095ab20e392ac18f3e845cb53909c314a6cf152c0444905", 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<Experiment> {
[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<Experiment<'_>> {
[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<Experiment> {
[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<Experiment<'_>> {
[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<Experiment> {
[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<Experiment<'_>> {
[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<Experiment, CreateExperimentError> {
[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<Experiment<'_>, 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<Experiment, GetExperimentError> {
[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<Experiment<'_>, 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<Vec<Experiment>, 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<Vec<Experiment<'_>>, 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<Run, errors::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] 32 |     pub fn try_create_run(&self) -> Result<Run<'_>, 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 0.10s
[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 6`
[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" "7624ae9a65ae47f8c095ab20e392ac18f3e845cb53909c314a6cf152c0444905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7624ae9a65ae47f8c095ab20e392ac18f3e845cb53909c314a6cf152c0444905", kill_on_drop: false }`
[INFO] [stdout] 7624ae9a65ae47f8c095ab20e392ac18f3e845cb53909c314a6cf152c0444905
