[INFO] fetching crate rsml 0.1.0... [INFO] checking rsml-0.1.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] extracting crate rsml 0.1.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate rsml 0.1.0 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rsml 0.1.0 [INFO] finished tweaking crates.io crate rsml 0.1.0 [INFO] tweaked toml for crates.io crate rsml 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ac0b628bf96c32b985e108b635ce49fdc236741eb57b1b32df148bcc2cf764a0 [INFO] running `Command { std: "docker" "start" "-a" "ac0b628bf96c32b985e108b635ce49fdc236741eb57b1b32df148bcc2cf764a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ac0b628bf96c32b985e108b635ce49fdc236741eb57b1b32df148bcc2cf764a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac0b628bf96c32b985e108b635ce49fdc236741eb57b1b32df148bcc2cf764a0", kill_on_drop: false }` [INFO] [stdout] ac0b628bf96c32b985e108b635ce49fdc236741eb57b1b32df148bcc2cf764a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 881902af8586989769698902ea177764f2de80c7a6dbadf44d37753ade0f1836 [INFO] running `Command { std: "docker" "start" "-a" "881902af8586989769698902ea177764f2de80c7a6dbadf44d37753ade0f1836", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling libc v0.2.100 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_pcg v0.1.2 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_chacha v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking rsml v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/distance/chebyshev.rs:15:76 [INFO] [stdout] | [INFO] [stdout] 15 | fn calc_distance(&self, a: &Vec, b: &Vec) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/distance/chebyshev.rs:15:76 [INFO] [stdout] | [INFO] [stdout] 15 | fn calc_distance(&self, a: &Vec, b: &Vec) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/classification/k_means.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/classification/k_means.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | let mut clusters = &mut self.clusters; [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: field is never read: `k` [INFO] [stdout] --> src/classification/k_means.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | k: usize, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `data` [INFO] [stdout] --> src/classification/k_means.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | data: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `clusters` [INFO] [stdout] --> src/classification/k_means.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | clusters: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `distance` [INFO] [stdout] --> src/classification/k_means.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | distance: D, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/classification/k_means.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | fn new(data: Vec>, k: usize, distance: D) -> Result> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `cluster_to_centroids` [INFO] [stdout] --> src/classification/k_means.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | fn cluster_to_centroids(&mut self) -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/classification/k_means.rs:81:8 [INFO] [stdout] | [INFO] [stdout] 81 | fn new(centroid: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/classification/k_means.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | let mut clusters = &mut self.clusters; [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: field is never read: `k` [INFO] [stdout] --> src/classification/k_means.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | k: usize, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `data` [INFO] [stdout] --> src/classification/k_means.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | data: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `clusters` [INFO] [stdout] --> src/classification/k_means.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | clusters: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `distance` [INFO] [stdout] --> src/classification/k_means.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | distance: D, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/classification/k_means.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | fn new(data: Vec>, k: usize, distance: D) -> Result> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `cluster_to_centroids` [INFO] [stdout] --> src/classification/k_means.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | fn cluster_to_centroids(&mut self) -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/classification/k_means.rs:81:8 [INFO] [stdout] | [INFO] [stdout] 81 | fn new(centroid: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Generations` [INFO] [stdout] --> src/population.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | Generations(u64), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Generations` [INFO] [stdout] --> src/population.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | Generations(u64), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.18s [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "881902af8586989769698902ea177764f2de80c7a6dbadf44d37753ade0f1836", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "881902af8586989769698902ea177764f2de80c7a6dbadf44d37753ade0f1836", kill_on_drop: false }` [INFO] [stdout] 881902af8586989769698902ea177764f2de80c7a6dbadf44d37753ade0f1836