[INFO] fetching crate kolbold_core 0.2.1...
[INFO] testing kolbold_core-0.2.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate kolbold_core 0.2.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate kolbold_core 0.2.1
[INFO] finished tweaking crates.io crate kolbold_core 0.2.1
[INFO] tweaked toml for crates.io crate kolbold_core 0.2.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kolbold_core 0.2.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 179 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding smol_str v0.2.2 (available: v0.3.4)
[INFO] [stderr]       Adding sysinfo v0.32.1 (available: v0.37.2)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] [stderr]       Adding tokio-tungstenite v0.24.0 (available: v0.28.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2ef78612487d3a84ce9e020a57a40a552c60bb78c00501a083e5dc083000ede
[INFO] running `Command { std: "docker" "start" "-a" "f2ef78612487d3a84ce9e020a57a40a552c60bb78c00501a083e5dc083000ede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2ef78612487d3a84ce9e020a57a40a552c60bb78c00501a083e5dc083000ede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2ef78612487d3a84ce9e020a57a40a552c60bb78c00501a083e5dc083000ede", kill_on_drop: false }`
[INFO] [stdout] f2ef78612487d3a84ce9e020a57a40a552c60bb78c00501a083e5dc083000ede
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 859c35ff6ab300b48a9b242f5e5dbe43183c7de9179634324d4b78aa5afa6e54
[INFO] running `Command { std: "docker" "start" "-a" "859c35ff6ab300b48a9b242f5e5dbe43183c7de9179634324d4b78aa5afa6e54", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling rust_decimal v1.39.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling sysinfo v0.32.1
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling uuid-macro-internal v1.18.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling kolbold_macros v0.1.0
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling tungstenite v0.24.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]    Compiling serde_with_macros v3.15.1
[INFO] [stderr]    Compiling serde_with v3.15.1
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling smol_str v0.2.2
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling tokio-tungstenite v0.24.0
[INFO] [stderr]    Compiling tokio-test v0.4.4
[INFO] [stderr]    Compiling kolbold_core v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/memory/memory_metrics_collector.rs:310:23
[INFO] [stdout]     |
[INFO] [stdout] 310 |     fn lock_collector(&self) -> Result<MutexGuard<Self::Collector>, MetricError> {
[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] 310 |     fn lock_collector(&self) -> Result<MutexGuard<'_, Self::Collector>, MetricError> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/system_metrics.rs:138:23
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn lock_collector(&self) -> Result<MutexGuard<Self::Collector>, MetricError>;
[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] 138 |     fn lock_collector(&self) -> Result<MutexGuard<'_, Self::Collector>, MetricError>;
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/system_metrics.rs:163:23
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn lock_collector(&self) -> Result<MutexGuard<Self::Collector>, MetricError>;
[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] 163 |     fn lock_collector(&self) -> Result<MutexGuard<'_, Self::Collector>, MetricError>;
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/time/time_metrics_collector.rs:307:23
[INFO] [stdout]     |
[INFO] [stdout] 307 |     fn lock_collector(&self) -> Result<MutexGuard<Self::Collector>, MetricError> {
[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] 307 |     fn lock_collector(&self) -> Result<MutexGuard<'_, Self::Collector>, MetricError> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.47s
[INFO] running `Command { std: "docker" "inspect" "859c35ff6ab300b48a9b242f5e5dbe43183c7de9179634324d4b78aa5afa6e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "859c35ff6ab300b48a9b242f5e5dbe43183c7de9179634324d4b78aa5afa6e54", kill_on_drop: false }`
[INFO] [stdout] 859c35ff6ab300b48a9b242f5e5dbe43183c7de9179634324d4b78aa5afa6e54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03b0fec8ab7e0289c3a3c469a77c2d836e4cc056acb0a8c0e11cbb62b6b87c4c
[INFO] running `Command { std: "docker" "start" "-a" "03b0fec8ab7e0289c3a3c469a77c2d836e4cc056acb0a8c0e11cbb62b6b87c4c", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/memory/memory_metrics_collector.rs:310:23
[INFO] [stdout]     |
[INFO] [stdout] 310 |     fn lock_collector(&self) -> Result<MutexGuard<Self::Collector>, MetricError> {
[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] 310 |     fn lock_collector(&self) -> Result<MutexGuard<'_, Self::Collector>, MetricError> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/system_metrics.rs:138:23
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn lock_collector(&self) -> Result<MutexGuard<Self::Collector>, MetricError>;
[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] 138 |     fn lock_collector(&self) -> Result<MutexGuard<'_, Self::Collector>, MetricError>;
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling kolbold_core v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/system_metrics.rs:163:23
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn lock_collector(&self) -> Result<MutexGuard<Self::Collector>, MetricError>;
[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] 163 |     fn lock_collector(&self) -> Result<MutexGuard<'_, Self::Collector>, MetricError>;
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/time/time_metrics_collector.rs:307:23
[INFO] [stdout]     |
[INFO] [stdout] 307 |     fn lock_collector(&self) -> Result<MutexGuard<Self::Collector>, MetricError> {
[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] 307 |     fn lock_collector(&self) -> Result<MutexGuard<'_, Self::Collector>, MetricError> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/memory/memory_metrics_collector.rs:310:23
[INFO] [stdout]     |
[INFO] [stdout] 310 |     fn lock_collector(&self) -> Result<MutexGuard<Self::Collector>, MetricError> {
[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] 310 |     fn lock_collector(&self) -> Result<MutexGuard<'_, Self::Collector>, MetricError> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/system_metrics.rs:138:23
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn lock_collector(&self) -> Result<MutexGuard<Self::Collector>, MetricError>;
[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] 138 |     fn lock_collector(&self) -> Result<MutexGuard<'_, Self::Collector>, MetricError>;
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/system_metrics.rs:163:23
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn lock_collector(&self) -> Result<MutexGuard<Self::Collector>, MetricError>;
[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] 163 |     fn lock_collector(&self) -> Result<MutexGuard<'_, Self::Collector>, MetricError>;
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/time/time_metrics_collector.rs:307:23
[INFO] [stdout]     |
[INFO] [stdout] 307 |     fn lock_collector(&self) -> Result<MutexGuard<Self::Collector>, MetricError> {
[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] 307 |     fn lock_collector(&self) -> Result<MutexGuard<'_, Self::Collector>, MetricError> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `Command { std: "docker" "inspect" "03b0fec8ab7e0289c3a3c469a77c2d836e4cc056acb0a8c0e11cbb62b6b87c4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03b0fec8ab7e0289c3a3c469a77c2d836e4cc056acb0a8c0e11cbb62b6b87c4c", kill_on_drop: false }`
[INFO] [stdout] 03b0fec8ab7e0289c3a3c469a77c2d836e4cc056acb0a8c0e11cbb62b6b87c4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 72e43829b510b80d32104e14777a8a4a6b91e4ce772004ca9673e8e92ca3070d
[INFO] running `Command { std: "docker" "start" "-a" "72e43829b510b80d32104e14777a8a4a6b91e4ce772004ca9673e8e92ca3070d", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/memory/memory_metrics_collector.rs:310:23
[INFO] [stderr]     |
[INFO] [stderr] 310 |     fn lock_collector(&self) -> Result<MutexGuard<Self::Collector>, MetricError> {
[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] 310 |     fn lock_collector(&self) -> Result<MutexGuard<'_, Self::Collector>, MetricError> {
[INFO] [stderr]     |                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/system_metrics.rs:138:23
[INFO] [stderr]     |
[INFO] [stderr] 138 |     fn lock_collector(&self) -> Result<MutexGuard<Self::Collector>, MetricError>;
[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] 138 |     fn lock_collector(&self) -> Result<MutexGuard<'_, Self::Collector>, MetricError>;
[INFO] [stderr]     |                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/system_metrics.rs:163:23
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn lock_collector(&self) -> Result<MutexGuard<Self::Collector>, MetricError>;
[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] 163 |     fn lock_collector(&self) -> Result<MutexGuard<'_, Self::Collector>, MetricError>;
[INFO] [stderr]     |                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/time/time_metrics_collector.rs:307:23
[INFO] [stderr]     |
[INFO] [stderr] 307 |     fn lock_collector(&self) -> Result<MutexGuard<Self::Collector>, MetricError> {
[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] 307 |     fn lock_collector(&self) -> Result<MutexGuard<'_, Self::Collector>, MetricError> {
[INFO] [stderr]     |                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: `kolbold_core` (lib) generated 4 warnings (run `cargo fix --lib -p kolbold_core` to apply 4 suggestions)
[INFO] [stderr] warning: `kolbold_core` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kolbold_core-0d05f9b00bc04836)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test memory::memory_measurement::test::test_async_multi_thread_code_print ... ok
[INFO] [stdout] test memory::memory_measurement::test::test_sync_single_thread_code_print ... ok
[INFO] [stdout] test memory::memory_measurement::test::test_async_single_thread_code_print ... ok
[INFO] [stdout] test time::time_measurement::test::test_async_multi_thread_code_print ... ok
[INFO] [stdout] test time::time_measurement::test::test_sync_single_thread_code_print ... ok
[INFO] [stdout] test time::time_measurement::test::test_async_single_thread_code_print ... ok
[INFO] [stdout] test memory::memory_measurement::test::test_sync_multi_thread_code_print ... ok
[INFO] [stdout] test time::time_measurement::test::test_sync_multi_thread_code_print ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.31s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kolbold_core
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/time/time_metrics_collector.rs - time::time_metrics_collector (line 33) ... ok
[INFO] [stdout] test src/memory/memory_measurement.rs - memory::memory_measurement (line 24) ... ok
[INFO] [stdout] test src/time/time_measurement.rs - time::time_measurement (line 25) ... ok
[INFO] [stdout] test src/time_handle.rs - time_handle (line 13) ... ok
[INFO] [stdout] test src/system_metrics.rs - system_metrics (line 28) ... ok
[INFO] [stdout] test src/thread_metrics.rs - thread_metrics (line 15) ... ok
[INFO] [stdout] test src/error.rs - error (line 23) ... ok
[INFO] [stdout] test src/memory/memory_metrics_collector.rs - memory::memory_metrics_collector (line 28) ... ok
[INFO] [stdout] test src/time/time_metrics_collector.rs - time::time_metrics_collector (line 23) ... ok
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.76s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "72e43829b510b80d32104e14777a8a4a6b91e4ce772004ca9673e8e92ca3070d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72e43829b510b80d32104e14777a8a4a6b91e4ce772004ca9673e8e92ca3070d", kill_on_drop: false }`
[INFO] [stdout] 72e43829b510b80d32104e14777a8a4a6b91e4ce772004ca9673e8e92ca3070d
