[INFO] fetching crate simple_ml 0.3.1... [INFO] checking simple_ml-0.3.1 against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323 [INFO] extracting crate simple_ml 0.3.1 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate simple_ml 0.3.1 on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate simple_ml 0.3.1 [INFO] finished tweaking crates.io crate simple_ml 0.3.1 [INFO] tweaked toml for crates.io crate simple_ml 0.3.1 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate crates.io crate simple_ml 0.3.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eea6af57d8aa8081dbdaf1a6bf248db7fbe26542e4b8d4b6b5cac5f351899954 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "eea6af57d8aa8081dbdaf1a6bf248db7fbe26542e4b8d4b6b5cac5f351899954", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eea6af57d8aa8081dbdaf1a6bf248db7fbe26542e4b8d4b6b5cac5f351899954", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eea6af57d8aa8081dbdaf1a6bf248db7fbe26542e4b8d4b6b5cac5f351899954", kill_on_drop: false }` [INFO] [stdout] eea6af57d8aa8081dbdaf1a6bf248db7fbe26542e4b8d4b6b5cac5f351899954 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b2f9951c7892a84815f7b99624b90005067649079b028497c6922606a01d7cd8 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b2f9951c7892a84815f7b99624b90005067649079b028497c6922606a01d7cd8", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking libmath v0.2.1 [INFO] [stderr] Checking simple_ml v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:1858:13 [INFO] [stdout] | [INFO] [stdout] 1858 | / (a - (actual.iter().fold(0., |a, b| a + b) / (actual.len() as f64)) [INFO] [stdout] 1859 | | * (a - (actual.iter().fold(0., |a, b| a + b) / (actual.len() as f64)))) [INFO] [stdout] | |_______________________________________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1858 | a - (actual.iter().fold(0., |a, b| a + b) / (actual.len() as f64)) [INFO] [stdout] 1859 | * (a - (actual.iter().fold(0., |a, b| a + b) / (actual.len() as f64))) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:3188:9 [INFO] [stdout] | [INFO] [stdout] 3188 | (actual / larger as f64) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:1858:13 [INFO] [stdout] | [INFO] [stdout] 1858 | / (a - (actual.iter().fold(0., |a, b| a + b) / (actual.len() as f64)) [INFO] [stdout] 1859 | | * (a - (actual.iter().fold(0., |a, b| a + b) / (actual.len() as f64)))) [INFO] [stdout] | |_______________________________________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1858 | a - (actual.iter().fold(0., |a, b| a + b) / (actual.len() as f64)) [INFO] [stdout] 1859 | * (a - (actual.iter().fold(0., |a, b| a + b) / (actual.len() as f64))) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:3188:9 [INFO] [stdout] | [INFO] [stdout] 3188 | (actual / larger as f64) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `res_shift` is never read [INFO] [stdout] --> src/lib.rs:4037:9 [INFO] [stdout] | [INFO] [stdout] 4037 | res_shift = &res_shift [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `new_mean` is never read [INFO] [stdout] --> src/lib.rs:877:13 [INFO] [stdout] | [INFO] [stdout] 877 | let mut new_mean: Vec> = vec![]; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `res_shift` is never read [INFO] [stdout] --> src/lib.rs:4037:9 [INFO] [stdout] | [INFO] [stdout] 4037 | res_shift = &res_shift [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `new_mean` is never read [INFO] [stdout] --> src/lib.rs:877:13 [INFO] [stdout] | [INFO] [stdout] 877 | let mut new_mean: Vec> = vec![]; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `X` should have a snake case name [INFO] [stdout] --> src/lib.rs:496:13 [INFO] [stdout] | [INFO] [stdout] 496 | let X = [&b0_vec[..], &x[..]].concat(); // [1,1,1...,1,1,1]+X [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `X` should have a snake case name [INFO] [stdout] --> src/lib.rs:496:13 [INFO] [stdout] | [INFO] [stdout] 496 | let X = [&b0_vec[..], &x[..]].concat(); // [1,1,1...,1,1,1]+X [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:1858:13 [INFO] [stdout] | [INFO] [stdout] 1858 | / (a - (actual.iter().fold(0., |a, b| a + b) / (actual.len() as f64)) [INFO] [stdout] 1859 | | * (a - (actual.iter().fold(0., |a, b| a + b) / (actual.len() as f64)))) [INFO] [stdout] | |_______________________________________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1858 | a - (actual.iter().fold(0., |a, b| a + b) / (actual.len() as f64)) [INFO] [stdout] 1859 | * (a - (actual.iter().fold(0., |a, b| a + b) / (actual.len() as f64))) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:3188:9 [INFO] [stdout] | [INFO] [stdout] 3188 | (actual / larger as f64) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:1858:13 [INFO] [stdout] | [INFO] [stdout] 1858 | / (a - (actual.iter().fold(0., |a, b| a + b) / (actual.len() as f64)) [INFO] [stdout] 1859 | | * (a - (actual.iter().fold(0., |a, b| a + b) / (actual.len() as f64)))) [INFO] [stdout] | |_______________________________________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1858 | a - (actual.iter().fold(0., |a, b| a + b) / (actual.len() as f64)) [INFO] [stdout] 1859 | * (a - (actual.iter().fold(0., |a, b| a + b) / (actual.len() as f64))) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:3188:9 [INFO] [stdout] | [INFO] [stdout] 3188 | (actual / larger as f64) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `weights` [INFO] [stdout] --> src/main.rs:772:9 [INFO] [stdout] | [INFO] [stdout] 772 | let weights = svm.fit(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_weights` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `res_shift` is never read [INFO] [stdout] --> src/lib.rs:4037:9 [INFO] [stdout] | [INFO] [stdout] 4037 | res_shift = &res_shift [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `new_mean` is never read [INFO] [stdout] --> src/lib.rs:877:13 [INFO] [stdout] | [INFO] [stdout] 877 | let mut new_mean: Vec> = vec![]; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `weights` [INFO] [stdout] --> src/main.rs:772:9 [INFO] [stdout] | [INFO] [stdout] 772 | let weights = svm.fit(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_weights` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `res_shift` is never read [INFO] [stdout] --> src/lib.rs:4037:9 [INFO] [stdout] | [INFO] [stdout] 4037 | res_shift = &res_shift [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `new_mean` is never read [INFO] [stdout] --> src/lib.rs:877:13 [INFO] [stdout] | [INFO] [stdout] 877 | let mut new_mean: Vec> = vec![]; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `impute_string` [INFO] [stdout] --> src/lib.rs:1401:8 [INFO] [stdout] | [INFO] [stdout] 1401 | pub fn impute_string<'a>(list: &'a mut Vec, impute_with: &'a str) -> Vec<&'a str> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `logistic_function_f` [INFO] [stdout] --> src/lib.rs:1445:8 [INFO] [stdout] | [INFO] [stdout] 1445 | pub fn logistic_function_f(matrix: &Vec>, beta: &Vec>) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `log_gradient_f` [INFO] [stdout] --> src/lib.rs:1462:8 [INFO] [stdout] | [INFO] [stdout] 1462 | pub fn log_gradient_f( [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `logistic_predict` [INFO] [stdout] --> src/lib.rs:1507:8 [INFO] [stdout] | [INFO] [stdout] 1507 | pub fn logistic_predict(matrix1: &Vec>, beta: &Vec>) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `X` should have a snake case name [INFO] [stdout] --> src/lib.rs:496:13 [INFO] [stdout] | [INFO] [stdout] 496 | let X = [&b0_vec[..], &x[..]].concat(); // [1,1,1...,1,1,1]+X [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `impute_string` [INFO] [stdout] --> src/lib.rs:1401:8 [INFO] [stdout] | [INFO] [stdout] 1401 | pub fn impute_string<'a>(list: &'a mut Vec, impute_with: &'a str) -> Vec<&'a str> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `logistic_function_f` [INFO] [stdout] --> src/lib.rs:1445:8 [INFO] [stdout] | [INFO] [stdout] 1445 | pub fn logistic_function_f(matrix: &Vec>, beta: &Vec>) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `log_gradient_f` [INFO] [stdout] --> src/lib.rs:1462:8 [INFO] [stdout] | [INFO] [stdout] 1462 | pub fn log_gradient_f( [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `logistic_predict` [INFO] [stdout] --> src/lib.rs:1507:8 [INFO] [stdout] | [INFO] [stdout] 1507 | pub fn logistic_predict(matrix1: &Vec>, beta: &Vec>) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `X` should have a snake case name [INFO] [stdout] --> src/lib.rs:496:13 [INFO] [stdout] | [INFO] [stdout] 496 | let X = [&b0_vec[..], &x[..]].concat(); // [1,1,1...,1,1,1]+X [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.37s [INFO] running `Command { std: "docker" "inspect" "b2f9951c7892a84815f7b99624b90005067649079b028497c6922606a01d7cd8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2f9951c7892a84815f7b99624b90005067649079b028497c6922606a01d7cd8", kill_on_drop: false }` [INFO] [stdout] b2f9951c7892a84815f7b99624b90005067649079b028497c6922606a01d7cd8