[INFO] fetching crate rsml 0.1.0... [INFO] checking rsml-0.1.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate rsml 0.1.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate rsml 0.1.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 21 packages to latest compatible versions [INFO] [stderr] Adding autocfg v0.1.8 (latest: v1.3.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding rand v0.6.5 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.1.1 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.1.0 (latest: v0.3.2) [INFO] [stderr] Adding rand_isaac v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding rand_jitter v0.1.4 (latest: v0.4.0) [INFO] [stderr] Adding rand_os v0.1.3 (latest: v0.2.2) [INFO] [stderr] Adding rand_pcg v0.1.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_xorshift v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7f3c16793cbade24ea27408b4a11cfae75cf6d3ef859d4dc303bd49cc0eeefb3 [INFO] running `Command { std: "docker" "start" "-a" "7f3c16793cbade24ea27408b4a11cfae75cf6d3ef859d4dc303bd49cc0eeefb3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7f3c16793cbade24ea27408b4a11cfae75cf6d3ef859d4dc303bd49cc0eeefb3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f3c16793cbade24ea27408b4a11cfae75cf6d3ef859d4dc303bd49cc0eeefb3", kill_on_drop: false }` [INFO] [stdout] 7f3c16793cbade24ea27408b4a11cfae75cf6d3ef859d4dc303bd49cc0eeefb3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e11d8f0846e70afcd3964936c92865a27aeaf876d3471522915a6a7fbe3028dd [INFO] running `Command { std: "docker" "start" "-a" "e11d8f0846e70afcd3964936c92865a27aeaf876d3471522915a6a7fbe3028dd", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [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] | ^^^^^ [INFO] [stdout] | [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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 15 | fn calc_distance(&self, a: &Vec, b: &Vec) -> Result> { [INFO] [stdout] | +++ [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: fields `k`, `data`, `clusters`, and `distance` are never read [INFO] [stdout] --> src/classification/k_means.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct KMeans { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 10 | k: usize, [INFO] [stdout] | ^ [INFO] [stdout] 11 | data: Vec>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 12 | clusters: Vec, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 13 | distance: D, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `cluster_to_centroids` are never used [INFO] [stdout] --> src/classification/k_means.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 16 | impl KMeans { [INFO] [stdout] | --------------------------- associated items in this implementation [INFO] [stdout] 17 | fn new(data: Vec>, k: usize, distance: D) -> Result> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | fn cluster_to_centroids(&mut self) -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `centroid` and `elements` are never read [INFO] [stdout] --> src/classification/k_means.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 75 | struct Cluster { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 76 | centroid: usize, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 77 | elements: Vec, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Cluster` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/classification/k_means.rs:81:8 [INFO] [stdout] | [INFO] [stdout] 80 | impl Cluster { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 81 | fn new(centroid: usize) -> Self { [INFO] [stdout] | ^^^ [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: 6 warnings emitted [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] | ^^^^^ [INFO] [stdout] | [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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 15 | fn calc_distance(&self, a: &Vec, b: &Vec) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Generations` is never constructed [INFO] [stdout] --> src/population.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 55 | pub enum PopulationGoal { [INFO] [stdout] | -------------- variant in this enum [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] [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: fields `k`, `data`, `clusters`, and `distance` are never read [INFO] [stdout] --> src/classification/k_means.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct KMeans { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 10 | k: usize, [INFO] [stdout] | ^ [INFO] [stdout] 11 | data: Vec>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 12 | clusters: Vec, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 13 | distance: D, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `cluster_to_centroids` are never used [INFO] [stdout] --> src/classification/k_means.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 16 | impl KMeans { [INFO] [stdout] | --------------------------- associated items in this implementation [INFO] [stdout] 17 | fn new(data: Vec>, k: usize, distance: D) -> Result> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | fn cluster_to_centroids(&mut self) -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `centroid` and `elements` are never read [INFO] [stdout] --> src/classification/k_means.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 75 | struct Cluster { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 76 | centroid: usize, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 77 | elements: Vec, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Cluster` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/classification/k_means.rs:81:8 [INFO] [stdout] | [INFO] [stdout] 80 | impl Cluster { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 81 | fn new(centroid: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Generations` is never constructed [INFO] [stdout] --> src/population.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 55 | pub enum PopulationGoal { [INFO] [stdout] | -------------- variant in this enum [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` profile [unoptimized + debuginfo] target(s) in 2.61s [INFO] running `Command { std: "docker" "inspect" "e11d8f0846e70afcd3964936c92865a27aeaf876d3471522915a6a7fbe3028dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e11d8f0846e70afcd3964936c92865a27aeaf876d3471522915a6a7fbe3028dd", kill_on_drop: false }` [INFO] [stdout] e11d8f0846e70afcd3964936c92865a27aeaf876d3471522915a6a7fbe3028dd