[INFO] fetching crate randomforests 0.1.1... [INFO] testing randomforests-0.1.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] extracting crate randomforests 0.1.1 into /workspace/builds/worker-108/source [INFO] validating manifest of crates.io crate randomforests 0.1.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate randomforests 0.1.1 [INFO] finished tweaking crates.io crate randomforests 0.1.1 [INFO] tweaked toml for crates.io crate randomforests 0.1.1 written to /workspace/builds/worker-108/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 611c778ae66479d1df1f50a5b6f86934296e3d14c84faa3160c04e4ddc48ac70 [INFO] running `Command { std: "docker" "start" "-a" "611c778ae66479d1df1f50a5b6f86934296e3d14c84faa3160c04e4ddc48ac70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "611c778ae66479d1df1f50a5b6f86934296e3d14c84faa3160c04e4ddc48ac70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "611c778ae66479d1df1f50a5b6f86934296e3d14c84faa3160c04e4ddc48ac70", kill_on_drop: false }` [INFO] [stdout] 611c778ae66479d1df1f50a5b6f86934296e3d14c84faa3160c04e4ddc48ac70 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1f59f3c00efadd7f00163a67d09d9dd0d547b0c463f219a705cca54150618c03 [INFO] running `Command { std: "docker" "start" "-a" "1f59f3c00efadd7f00163a67d09d9dd0d547b0c463f219a705cca54150618c03", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling randomforests v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/lib.rs:382:13 [INFO] [stdout] | [INFO] [stdout] 382 | for n in 0..num_trees { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:122:9 [INFO] [stdout] | [INFO] [stdout] 122 | for mut item in data.into_iter() { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.00s [INFO] running `Command { std: "docker" "inspect" "1f59f3c00efadd7f00163a67d09d9dd0d547b0c463f219a705cca54150618c03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f59f3c00efadd7f00163a67d09d9dd0d547b0c463f219a705cca54150618c03", kill_on_drop: false }` [INFO] [stdout] 1f59f3c00efadd7f00163a67d09d9dd0d547b0c463f219a705cca54150618c03 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 80ecd9e38af8a97ed9b65603e12414d77bf390f2d4bc4688bf9664d64a458682 [INFO] running `Command { std: "docker" "start" "-a" "80ecd9e38af8a97ed9b65603e12414d77bf390f2d4bc4688bf9664d64a458682", kill_on_drop: false }` [INFO] [stderr] Compiling randomforests v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/lib.rs:382:13 [INFO] [stdout] | [INFO] [stdout] 382 | for n in 0..num_trees { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:122:9 [INFO] [stdout] | [INFO] [stdout] 122 | for mut item in data.into_iter() { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/lib.rs:382:13 [INFO] [stdout] | [INFO] [stdout] 382 | for n in 0..num_trees { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:122:9 [INFO] [stdout] | [INFO] [stdout] 122 | for mut item in data.into_iter() { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.24s [INFO] running `Command { std: "docker" "inspect" "80ecd9e38af8a97ed9b65603e12414d77bf390f2d4bc4688bf9664d64a458682", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80ecd9e38af8a97ed9b65603e12414d77bf390f2d4bc4688bf9664d64a458682", kill_on_drop: false }` [INFO] [stdout] 80ecd9e38af8a97ed9b65603e12414d77bf390f2d4bc4688bf9664d64a458682 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 30bc8512115c51fa57ff2f7ab574c4fa8fc8e730461ca07e372d2fd61814f9ff [INFO] running `Command { std: "docker" "start" "-a" "30bc8512115c51fa57ff2f7ab574c4fa8fc8e730461ca07e372d2fd61814f9ff", 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] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/lib.rs:382:13 [INFO] [stderr] | [INFO] [stderr] 382 | for n in 0..num_trees { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:122:9 [INFO] [stderr] | [INFO] [stderr] 122 | for mut item in data.into_iter() { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `randomforests` (lib) generated 2 warnings [INFO] [stderr] warning: `randomforests` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/randomforests-086cdec341512de1) [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test test_cacheentry::diff_entries_identity ... ok [INFO] [stdout] test test_cacheentry::diff_entries_hash ... ok [INFO] [stdout] test test_cacheentry::equal_entries_identity ... ok [INFO] [stdout] test test_cacheentry::equal_entries_hash ... ok [INFO] [stdout] test test_dataset::most_frequent ... ok [INFO] [stdout] test test_dataset::unique ... ok [INFO] [stdout] test test_decisiontree::decision_less_mincount ... ok [INFO] [stdout] test test_decisiontree::decision_more_mincount ... ok [INFO] [stdout] test test_dataset::test_sample ... ok [INFO] [stdout] test test_decisiontree::decision_prediction ... ok [INFO] [stdout] test test_treeconfig::create_empty_defaults ... ok [INFO] [stdout] test test_randomforest::forest_prediction ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s [INFO] [stdout] [INFO] [stderr] Doc-tests randomforests [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" "30bc8512115c51fa57ff2f7ab574c4fa8fc8e730461ca07e372d2fd61814f9ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30bc8512115c51fa57ff2f7ab574c4fa8fc8e730461ca07e372d2fd61814f9ff", kill_on_drop: false }` [INFO] [stdout] 30bc8512115c51fa57ff2f7ab574c4fa8fc8e730461ca07e372d2fd61814f9ff