[INFO] fetching crate CFDTCP 0.1.1...
[INFO] checking CFDTCP-0.1.1 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate CFDTCP 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate CFDTCP 0.1.1 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate CFDTCP 0.1.1
[INFO] finished tweaking crates.io crate CFDTCP 0.1.1
[INFO] tweaked toml for crates.io crate CFDTCP 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-traits v0.2.18
[INFO] [stderr]   Downloaded roaring v0.10.3
[INFO] [stderr]   Downloaded getrandom v0.2.12
[INFO] [stderr]   Downloaded bytemuck v1.15.0
[INFO] [stderr]   Downloaded aho-corasick v1.1.3
[INFO] [stderr]   Downloaded byteorder v1.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75265c34b7e1140d689a3d24062874eed99578bf8a25c24d4f2d0c36c4db1067
[INFO] running `Command { std: "docker" "start" "-a" "75265c34b7e1140d689a3d24062874eed99578bf8a25c24d4f2d0c36c4db1067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75265c34b7e1140d689a3d24062874eed99578bf8a25c24d4f2d0c36c4db1067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75265c34b7e1140d689a3d24062874eed99578bf8a25c24d4f2d0c36c4db1067", kill_on_drop: false }`
[INFO] [stdout] 75265c34b7e1140d689a3d24062874eed99578bf8a25c24d4f2d0c36c4db1067
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66c7a1918717e53183e2efa76f13c8f6cb454d207a9bbf30e9226414c0374ac2
[INFO] running `Command { std: "docker" "start" "-a" "66c7a1918717e53183e2efa76f13c8f6cb454d207a9bbf30e9226414c0374ac2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking roaring v0.10.3
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking CFDTCP v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `StdRng` is imported redundantly
[INFO] [stdout]  --> src/jenks.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::prelude::*;
[INFO] [stdout]   |     ---------------- the item `StdRng` is already imported here
[INFO] [stdout] 3 | use rand::rngs::StdRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BitOr`
[INFO] [stdout]  --> src/vectorization.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     ops::{BitOr, BitXor},
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::discrete_coefficient`
[INFO] [stdout]  --> src/vectorization.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::discrete_coefficient;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `StdRng` is imported redundantly
[INFO] [stdout]  --> src/jenks.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::prelude::*;
[INFO] [stdout]   |     ---------------- the item `StdRng` is already imported here
[INFO] [stdout] 3 | use rand::rngs::StdRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BitOr`
[INFO] [stdout]  --> src/vectorization.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     ops::{BitOr, BitXor},
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::discrete_coefficient`
[INFO] [stdout]  --> src/vectorization.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::discrete_coefficient;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let mut V = Vectorization::new();
[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 `word_segmentation` is never read
[INFO] [stdout]   --> src/text_processing.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Processing {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 17 |     stop_words: Vec<String>,
[INFO] [stdout] 18 |     word_segmentation: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Processing` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `classify_val` is never used
[INFO] [stdout]    --> src/utilities.rs:184:8
[INFO] [stdout]     |
[INFO] [stdout] 184 | pub fn classify_val(val: f64, class: &Classification) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `CFDTCP` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `cfdtcp`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let mut V = Vectorization::new();
[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 `word_segmentation` is never read
[INFO] [stdout]   --> src/text_processing.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Processing {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 17 |     stop_words: Vec<String>,
[INFO] [stdout] 18 |     word_segmentation: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Processing` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `classify_val` is never used
[INFO] [stdout]    --> src/utilities.rs:184:8
[INFO] [stdout]     |
[INFO] [stdout] 184 | pub fn classify_val(val: f64, class: &Classification) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `P` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:106:17
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let mut P = text_processing::Processing::new_file(Path::new(".stop_word.txt"));
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `p`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let mut V = Vectorization::new();
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `P` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:106:17
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let mut P = text_processing::Processing::new_file(Path::new(".stop_word.txt"));
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let mut V = Vectorization::new();
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CFDTCP` is imported redundantly
[INFO] [stdout]  --> tests/distribution_test.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use CFDTCP::{self, MyClassification};
[INFO] [stdout]   |              ^^^^ the item `CFDTCP` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 2.63s
[INFO] running `Command { std: "docker" "inspect" "66c7a1918717e53183e2efa76f13c8f6cb454d207a9bbf30e9226414c0374ac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66c7a1918717e53183e2efa76f13c8f6cb454d207a9bbf30e9226414c0374ac2", kill_on_drop: false }`
[INFO] [stdout] 66c7a1918717e53183e2efa76f13c8f6cb454d207a9bbf30e9226414c0374ac2
