[INFO] updating cached repository https://github.com/jackmead515/rust_jsm_encryption
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 48a32295d2df46e3ec49042d27dc4e787bb09e7b
[INFO] checking jackmead515/rust_jsm_encryption against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackmead515%2Frust_jsm_encryption" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jackmead515/rust_jsm_encryption on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jackmead515/rust_jsm_encryption
[INFO] finished tweaking git repo https://github.com/jackmead515/rust_jsm_encryption
[INFO] tweaked toml for git repo https://github.com/jackmead515/rust_jsm_encryption written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jackmead515/rust_jsm_encryption already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3f12b39ca239c18d6320d01ce28e316fcf7f0a47a98fe910a7bca6c95e07ca2d
[INFO] running `"docker" "start" "-a" "3f12b39ca239c18d6320d01ce28e316fcf7f0a47a98fe910a7bca6c95e07ca2d"`
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rustjsm_encryption v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]  --> src/main.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread::sleep`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::thread::sleep;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::BufReader`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::BufReader;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/rulebook.rs:16:35
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub rules: HashMap<usize, Box<Encryptor>>
[INFO] [stderr]    |                                   ^^^^^^^^^ help: use `dyn`: `dyn Encryptor`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/rules/reverse.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stderr]  --> src/rules/reverse.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rand::seq::SliceRandom;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::thread_rng`
[INFO] [stderr]  --> src/rules/reverse.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::thread_rng;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]  --> src/main.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread::sleep`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::thread::sleep;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::BufReader`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::BufReader;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/rulebook.rs:16:35
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub rules: HashMap<usize, Box<Encryptor>>
[INFO] [stderr]    |                                   ^^^^^^^^^ help: use `dyn`: `dyn Encryptor`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/rules/reverse.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stderr]  --> src/rules/reverse.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rand::seq::SliceRandom;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::thread_rng`
[INFO] [stderr]  --> src/rules/reverse.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::thread_rng;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::BufRead`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::BufRead;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let args: Vec<_> = env::args().collect();
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |     for i in 0..50 {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |     for i in 0..50 {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/rules/add.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     for i in 0..self.options.1 {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/rules/add.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |     for i in 0..self.options.1 {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/rules/arrange.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     for i in 0..amount {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/rules/arrange.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |     for i in 0..amount {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut vec: Vec<String> = message.split("")
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/alphabet.rs:11:3
[INFO] [stderr]    |
[INFO] [stderr] 11 |   pub fn get(&self, character: &String) -> String {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]   --> src/alphabet.rs:18:3
[INFO] [stderr]    |
[INFO] [stderr] 18 |   pub fn len(&self) -> usize {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `id` should have an upper case name
[INFO] [stderr]  --> src/rules/add.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub static id: usize = 0;
[INFO] [stderr]   |            ^^ help: convert the identifier to upper case: `ID`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `id` should have an upper case name
[INFO] [stderr]  --> src/rules/arrange.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub static id: usize = 1;
[INFO] [stderr]   |            ^^ help: convert the identifier to upper case: `ID`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `id` should have an upper case name
[INFO] [stderr]  --> src/rules/replace.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub static id: usize = 2;
[INFO] [stderr]   |            ^^ help: convert the identifier to upper case: `ID`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `id` should have an upper case name
[INFO] [stderr]  --> src/rules/reverse.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub static id: usize = 3;
[INFO] [stderr]   |            ^^ help: convert the identifier to upper case: `ID`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::BufRead`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::BufRead;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let args: Vec<_> = env::args().collect();
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |     for i in 0..50 {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |     for i in 0..50 {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/rules/add.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     for i in 0..self.options.1 {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/rules/add.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |     for i in 0..self.options.1 {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/rules/arrange.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     for i in 0..amount {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/rules/arrange.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |     for i in 0..amount {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut vec: Vec<String> = message.split("")
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 23 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/alphabet.rs:11:3
[INFO] [stderr]    |
[INFO] [stderr] 11 |   pub fn get(&self, character: &String) -> String {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]   --> src/alphabet.rs:18:3
[INFO] [stderr]    |
[INFO] [stderr] 18 |   pub fn len(&self) -> usize {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `id` should have an upper case name
[INFO] [stderr]  --> src/rules/add.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub static id: usize = 0;
[INFO] [stderr]   |            ^^ help: convert the identifier to upper case: `ID`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `id` should have an upper case name
[INFO] [stderr]  --> src/rules/arrange.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub static id: usize = 1;
[INFO] [stderr]   |            ^^ help: convert the identifier to upper case: `ID`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `id` should have an upper case name
[INFO] [stderr]  --> src/rules/replace.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub static id: usize = 2;
[INFO] [stderr]   |            ^^ help: convert the identifier to upper case: `ID`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `id` should have an upper case name
[INFO] [stderr]  --> src/rules/reverse.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub static id: usize = 3;
[INFO] [stderr]   |            ^^ help: convert the identifier to upper case: `ID`
[INFO] [stderr] 
[INFO] [stderr] warning: 23 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.27s
[INFO] running `"docker" "inspect" "3f12b39ca239c18d6320d01ce28e316fcf7f0a47a98fe910a7bca6c95e07ca2d"`
[INFO] running `"docker" "rm" "-f" "3f12b39ca239c18d6320d01ce28e316fcf7f0a47a98fe910a7bca6c95e07ca2d"`
[INFO] [stdout] 3f12b39ca239c18d6320d01ce28e316fcf7f0a47a98fe910a7bca6c95e07ca2d