[INFO] fetching crate CFDTCP 0.1.1...
[INFO] checking CFDTCP-0.1.1 against master#656ccbe796ff98def9b555c118e1620c5389e3b2 for pr-133502-24
[INFO] extracting crate CFDTCP 0.1.1 into /workspace/builds/worker-7-tc1/source
[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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate CFDTCP 0.1.1 on toolchain 656ccbe796ff98def9b555c118e1620c5389e3b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "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 rand v0.8.7 (available: v0.10.2)
[INFO] [stderr]       Adding roaring v0.10.12 (available: v0.11.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded roaring v0.10.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 288774c20781497a219cd3eb2f8db51e92266a074008fd00c5e82986f26ce5cd
[INFO] running `Command { std: "docker" "start" "288774c20781497a219cd3eb2f8db51e92266a074008fd00c5e82986f26ce5cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "288774c20781497a219cd3eb2f8db51e92266a074008fd00c5e82986f26ce5cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "288774c20781497a219cd3eb2f8db51e92266a074008fd00c5e82986f26ce5cd" "/opt/rustwide/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "288774c20781497a219cd3eb2f8db51e92266a074008fd00c5e82986f26ce5cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "288774c20781497a219cd3eb2f8db51e92266a074008fd00c5e82986f26ce5cd" "/opt/rustwide/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling zerocopy v0.8.54
[INFO] [stderr]     Checking bytemuck v1.25.2
[INFO] [stderr]     Checking memchr v2.8.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking roaring v0.10.12
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.7
[INFO] [stderr]     Checking CFDTCP v0.1.1 (/opt/rustwide/workdir)
[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]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[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: unused import: `BitOr`
[INFO] [stdout]  --> src/vectorization.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     ops::{BitOr, BitXor},
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(nonstandard_style)]`) on by default
[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: 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(nonstandard_style)]`) 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.39s
[INFO] running `Command { std: "docker" "inspect" "288774c20781497a219cd3eb2f8db51e92266a074008fd00c5e82986f26ce5cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "288774c20781497a219cd3eb2f8db51e92266a074008fd00c5e82986f26ce5cd", kill_on_drop: false }`
[INFO] [stdout] 288774c20781497a219cd3eb2f8db51e92266a074008fd00c5e82986f26ce5cd
