[INFO] fetching crate mlflow 0.1.0... [INFO] checking mlflow-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate mlflow 0.1.0 into /workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mlflow 0.1.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded chunked_transfer v1.3.0 [INFO] [stderr] Downloaded nanoserde-derive v0.1.12 [INFO] [stderr] Downloaded nanorand v0.4.4 [INFO] [stderr] Downloaded nanoserde v0.1.20 [INFO] [stderr] Downloaded pico-args v0.3.4 [INFO] [stderr] Downloaded cc v1.0.62 [INFO] [stderr] Downloaded unicode-normalization v0.1.15 [INFO] [stderr] Downloaded ureq v1.5.2 [INFO] [stderr] Downloaded ring v0.16.16 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 04a8a487334a326509ff344b58010bac733bf3cb75f944d35931685d16229510 [INFO] running `Command { std: "docker" "start" "-a" "04a8a487334a326509ff344b58010bac733bf3cb75f944d35931685d16229510", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "04a8a487334a326509ff344b58010bac733bf3cb75f944d35931685d16229510", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04a8a487334a326509ff344b58010bac733bf3cb75f944d35931685d16229510", kill_on_drop: false }` [INFO] [stdout] 04a8a487334a326509ff344b58010bac733bf3cb75f944d35931685d16229510 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7bc0066e94a3b494f3c68a86b7a465f87f1e7824ecb9f902df5f6c3e7203ee76 [INFO] running `Command { std: "docker" "start" "-a" "7bc0066e94a3b494f3c68a86b7a465f87f1e7824ecb9f902df5f6c3e7203ee76", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.62 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling anyhow v1.0.34 [INFO] [stderr] Checking base64 v0.12.3 [INFO] [stderr] Compiling nanoserde-derive v0.1.12 [INFO] [stderr] Checking tinyvec v1.0.1 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking chunked_transfer v1.3.0 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking pico-args v0.3.4 [INFO] [stderr] Checking form_urlencoded v1.0.0 [INFO] [stderr] Checking qstring v0.7.2 [INFO] [stderr] Checking nanorand v0.4.4 [INFO] [stderr] Checking nanoserde v0.1.20 [INFO] [stderr] Compiling ring v0.16.16 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking unicode-normalization v0.1.15 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking url v2.2.0 [INFO] [stderr] Checking webpki v0.21.3 [INFO] [stderr] Checking sct v0.6.0 [INFO] [stderr] Checking webpki-roots v0.20.0 [INFO] [stderr] Checking rustls v0.18.1 [INFO] [stderr] Compiling thiserror-impl v1.0.22 [INFO] [stderr] Checking thiserror v1.0.22 [INFO] [stderr] Checking ureq v1.5.2 [INFO] [stderr] Checking 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)]` 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: 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)]` 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: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/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: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] [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 6.09s [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 1` [INFO] running `Command { std: "docker" "inspect" "7bc0066e94a3b494f3c68a86b7a465f87f1e7824ecb9f902df5f6c3e7203ee76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7bc0066e94a3b494f3c68a86b7a465f87f1e7824ecb9f902df5f6c3e7203ee76", kill_on_drop: false }` [INFO] [stdout] 7bc0066e94a3b494f3c68a86b7a465f87f1e7824ecb9f902df5f6c3e7203ee76