[INFO] fetching crate randomforest 0.1.6... [INFO] testing randomforest-0.1.6 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate randomforest 0.1.6 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate randomforest 0.1.6 [INFO] finished tweaking crates.io crate randomforest 0.1.6 [INFO] tweaked toml for crates.io crate randomforest 0.1.6 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate randomforest 0.1.6 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 28 packages to latest compatible versions [INFO] [stderr] Adding ordered-float v2.10.1 (available: v5.1.0) [INFO] [stderr] Adding rand v0.7.3 (available: v0.9.2) [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.17) [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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1fb52904d83f81168d298c30b52f58df2c39c279f1a0deee5edd338d9d51d025 [INFO] running `Command { std: "docker" "start" "-a" "1fb52904d83f81168d298c30b52f58df2c39c279f1a0deee5edd338d9d51d025", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1fb52904d83f81168d298c30b52f58df2c39c279f1a0deee5edd338d9d51d025", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fb52904d83f81168d298c30b52f58df2c39c279f1a0deee5edd338d9d51d025", kill_on_drop: false }` [INFO] [stdout] 1fb52904d83f81168d298c30b52f58df2c39c279f1a0deee5edd338d9d51d025 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 63709bf4f45a930f43f8be5155956fbd568a8c2a6270f467ded4186866515ba4 [INFO] running `Command { std: "docker" "start" "-a" "63709bf4f45a930f43f8be5155956fbd568a8c2a6270f467ded4186866515ba4", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling rayon-core v1.13.0 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling crossbeam-deque v0.8.6 [INFO] [stderr] Compiling ordered-float v2.10.1 [INFO] [stderr] Compiling rayon v1.11.0 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling randomforest v0.1.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/table.rs:90:18 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn build(&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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 90 | pub fn build(&self) -> Result, TableError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.16s [INFO] running `Command { std: "docker" "inspect" "63709bf4f45a930f43f8be5155956fbd568a8c2a6270f467ded4186866515ba4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63709bf4f45a930f43f8be5155956fbd568a8c2a6270f467ded4186866515ba4", kill_on_drop: false }` [INFO] [stdout] 63709bf4f45a930f43f8be5155956fbd568a8c2a6270f467ded4186866515ba4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8c2d05aa801981b4e3dccee1a923c9b9bd6cd0446504f82f152d8b98203d5589 [INFO] running `Command { std: "docker" "start" "-a" "8c2d05aa801981b4e3dccee1a923c9b9bd6cd0446504f82f152d8b98203d5589", kill_on_drop: false }` [INFO] [stderr] Compiling anyhow v1.0.100 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/table.rs:90:18 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn build(&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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 90 | pub fn build(&self) -> Result, TableError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling randomforest v0.1.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/table.rs:90:18 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn build(&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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 90 | pub fn build(&self) -> Result, TableError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.63s [INFO] running `Command { std: "docker" "inspect" "8c2d05aa801981b4e3dccee1a923c9b9bd6cd0446504f82f152d8b98203d5589", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c2d05aa801981b4e3dccee1a923c9b9bd6cd0446504f82f152d8b98203d5589", kill_on_drop: false }` [INFO] [stdout] 8c2d05aa801981b4e3dccee1a923c9b9bd6cd0446504f82f152d8b98203d5589 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1a733c85a2889d558c6d9ea2b4d2ff85d0a13a1690136fe141c7500fefa5c4fb [INFO] running `Command { std: "docker" "start" "-a" "1a733c85a2889d558c6d9ea2b4d2ff85d0a13a1690136fe141c7500fefa5c4fb", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/table.rs:90:18 [INFO] [stderr] | [INFO] [stderr] 90 | pub fn build(&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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 90 | pub fn build(&self) -> Result, TableError> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `randomforest` (lib) generated 1 warning (run `cargo fix --lib -p randomforest` to apply 1 suggestion) [INFO] [stderr] warning: `randomforest` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/randomforest-415732ac3ca95d59) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test criterion::tests::gini_works ... ok [INFO] [stdout] test decision_tree::tests::regression_works ... ok [INFO] [stdout] test criterion::tests::entropy_works ... ok [INFO] [stdout] test table::tests::filter_works ... ok [INFO] [stdout] test criterion::tests::mse_works ... ok [INFO] [stdout] test table::tests::error_check_works ... ok [INFO] [stdout] test table::tests::train_test_split_works ... ok [INFO] [stdout] test random_forest::regressor::tests::regression_works ... ok [INFO] [stdout] test random_forest::classifier::tests::classification_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s [INFO] [stdout] [INFO] [stderr] Doc-tests randomforest [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 5) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.73s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1a733c85a2889d558c6d9ea2b4d2ff85d0a13a1690136fe141c7500fefa5c4fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a733c85a2889d558c6d9ea2b4d2ff85d0a13a1690136fe141c7500fefa5c4fb", kill_on_drop: false }` [INFO] [stdout] 1a733c85a2889d558c6d9ea2b4d2ff85d0a13a1690136fe141c7500fefa5c4fb