[INFO] cloning repository https://github.com/JoyousOne/simple-file-compressor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JoyousOne/simple-file-compressor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoyousOne%2Fsimple-file-compressor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoyousOne%2Fsimple-file-compressor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69bb3b769a6ddb2ee647bf838a5b887493cc6bd9
[INFO] testing JoyousOne/simple-file-compressor against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoyousOne%2Fsimple-file-compressor" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JoyousOne/simple-file-compressor
[INFO] finished tweaking git repo https://github.com/JoyousOne/simple-file-compressor
[INFO] tweaked toml for git repo https://github.com/JoyousOne/simple-file-compressor written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JoyousOne/simple-file-compressor on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JoyousOne/simple-file-compressor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b895580ad8129f1ed99b1340f7950ff237de5f270ab22813776d35863aa0f227
[INFO] running `Command { std: "docker" "start" "-a" "b895580ad8129f1ed99b1340f7950ff237de5f270ab22813776d35863aa0f227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b895580ad8129f1ed99b1340f7950ff237de5f270ab22813776d35863aa0f227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b895580ad8129f1ed99b1340f7950ff237de5f270ab22813776d35863aa0f227", kill_on_drop: false }`
[INFO] [stdout] b895580ad8129f1ed99b1340f7950ff237de5f270ab22813776d35863aa0f227
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7062d7cdbd3050be177f99b55f9e05f4ae6fed17cb742c3adcf8229e3f3c884e
[INFO] running `Command { std: "docker" "start" "-a" "7062d7cdbd3050be177f99b55f9e05f4ae6fed17cb742c3adcf8229e3f3c884e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling docopt v1.1.1
[INFO] [stderr]    Compiling simple-file-compressor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/big_num.rs:47:33
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn substract(&mut self, other: &Self) {}
[INFO] [stdout]    |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `print_encoding` and `print_as_tree` are never used
[INFO] [stdout]    --> src/algorithms/huffman_tree.rs:163:12
[INFO] [stdout]     |
[INFO] [stdout] 114 | impl Node {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 163 |     pub fn print_encoding(&self, encoding: Vec<u8>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 188 |     pub fn print_as_tree(&self, prefix: &str, is_left: bool) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `len`, `print_encoding`, `print_tree`, `save_as_file`, and `load_from_file` are never used
[INFO] [stdout]    --> src/algorithms/huffman_tree.rs:380:12
[INFO] [stdout]     |
[INFO] [stdout] 294 | impl HuffmanTree {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 380 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 510 |     pub fn print_encoding(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 514 |     pub fn print_tree(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 526 |     pub fn save_as_file(&self, file_path: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 542 |     pub fn load_from_file(file_path: &str) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Bit` is never used
[INFO] [stdout]  --> src/big_num.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | type Bit = u8;
[INFO] [stdout]   |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BigNum` is never constructed
[INFO] [stdout]  --> src/big_num.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct BigNum {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/big_num.rs:19:12
[INFO] [stdout]     |
[INFO] [stdout]  18 | impl BigNum {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout]  19 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  23 |     pub fn push_bit(&mut self, bit: Bit) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  30 |     pub fn add(&mut self, other: &Self) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  47 |     pub fn substract(&mut self, other: &Self) {}
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]  48 |
[INFO] [stdout]  49 |     pub fn multiply(&mut self, other: &Self) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 |     fn align_to_other(&mut self, other: &Self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  94 |     fn get_aligned_num(&self, other: &Self) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub fn print(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DecimalNum` is never constructed
[INFO] [stdout]    --> src/big_num.rs:156:12
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub struct DecimalNum {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `with_capacity`, `multiply_by_two`, and `add_bit` are never used
[INFO] [stdout]    --> src/big_num.rs:161:12
[INFO] [stdout]     |
[INFO] [stdout] 160 | impl DecimalNum {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout] 161 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 |     pub fn with_capacity(capacity: usize) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 |     fn multiply_by_two(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 |     fn add_bit(&mut self, bit: Bit) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `push_byte` and `insert_byte` are never used
[INFO] [stdout]   --> src/compressed_buffer.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl CompressedBuffer {
[INFO] [stdout]    | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub fn push_byte(&mut self, byte: u8) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub fn insert_byte(&mut self, index: usize, byte: u8) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_count` and `reduce_count` are never used
[INFO] [stdout]   --> src/fenwick_tree.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl<T> FenwickTree<T> {
[INFO] [stdout]    | ---------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 82 |     pub fn add_count(&mut self, index: T)
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |     pub fn reduce_count(&mut self, index: T)
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `LZWEncoder` should have a snake case name
[INFO] [stdout]  --> src/algorithms/lzw_encoder.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod LZWEncoder {
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `lzwencoder`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `RLE` should have a snake case name
[INFO] [stdout]  --> src/algorithms/run_length_encoding.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod RLE {
[INFO] [stdout]   |         ^^^ help: convert the identifier to snake case: `rle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.00s
[INFO] running `Command { std: "docker" "inspect" "7062d7cdbd3050be177f99b55f9e05f4ae6fed17cb742c3adcf8229e3f3c884e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7062d7cdbd3050be177f99b55f9e05f4ae6fed17cb742c3adcf8229e3f3c884e", kill_on_drop: false }`
[INFO] [stdout] 7062d7cdbd3050be177f99b55f9e05f4ae6fed17cb742c3adcf8229e3f3c884e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98def27c5e0cfa4e1c52c7d7cc8bcd56a5ac8a0ed7fb003c44fb579023a1b6da
[INFO] running `Command { std: "docker" "start" "-a" "98def27c5e0cfa4e1c52c7d7cc8bcd56a5ac8a0ed7fb003c44fb579023a1b6da", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-file-compressor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `text`
[INFO] [stdout]    --> src/algorithms/burrows_wheeler.rs:192:13
[INFO] [stdout]     |
[INFO] [stdout] 192 |         let mut text: Vec<u8> = "BANANA".bytes().collect();
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bloat`
[INFO] [stdout]    --> src/algorithms/burrows_wheeler.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let mut bloat: Vec<u8> = "BANANA".bytes().collect();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bloat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/algorithms/burrows_wheeler.rs:201:13
[INFO] [stdout]     |
[INFO] [stdout] 201 |         let start = Instant::now();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `encoded`
[INFO] [stdout]    --> src/algorithms/burrows_wheeler.rs:202:13
[INFO] [stdout]     |
[INFO] [stdout] 202 |         let encoded = BurrowsWheeler::encode(&text);
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_encoded`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration_seq`
[INFO] [stdout]    --> src/algorithms/burrows_wheeler.rs:203:13
[INFO] [stdout]     |
[INFO] [stdout] 203 |         let duration_seq = start.elapsed();
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration_seq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/algorithms/burrows_wheeler.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |         let start = Instant::now();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration_seq`
[INFO] [stdout]    --> src/algorithms/burrows_wheeler.rs:208:13
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let duration_seq = start.elapsed();
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration_seq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/algorithms/burrows_wheeler.rs:212:13
[INFO] [stdout]     |
[INFO] [stdout] 212 |         let start = Instant::now();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration_seq`
[INFO] [stdout]    --> src/algorithms/burrows_wheeler.rs:214:13
[INFO] [stdout]     |
[INFO] [stdout] 214 |         let duration_seq = start.elapsed();
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration_seq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/big_num.rs:47:33
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn substract(&mut self, other: &Self) {}
[INFO] [stdout]    |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `print_encoding` and `print_as_tree` are never used
[INFO] [stdout]    --> src/algorithms/huffman_tree.rs:163:12
[INFO] [stdout]     |
[INFO] [stdout] 114 | impl Node {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 163 |     pub fn print_encoding(&self, encoding: Vec<u8>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 188 |     pub fn print_as_tree(&self, prefix: &str, is_left: bool) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `print_encoding` and `print_tree` are never used
[INFO] [stdout]    --> src/algorithms/huffman_tree.rs:510:12
[INFO] [stdout]     |
[INFO] [stdout] 294 | impl HuffmanTree {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 510 |     pub fn print_encoding(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 514 |     pub fn print_tree(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `substract` and `print` are never used
[INFO] [stdout]    --> src/big_num.rs:47:12
[INFO] [stdout]     |
[INFO] [stdout]  18 | impl BigNum {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  47 |     pub fn substract(&mut self, other: &Self) {}
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub fn print(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/big_num.rs:161:12
[INFO] [stdout]     |
[INFO] [stdout] 160 | impl DecimalNum {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] 161 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `push_byte` and `insert_byte` are never used
[INFO] [stdout]   --> src/compressed_buffer.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl CompressedBuffer {
[INFO] [stdout]    | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub fn push_byte(&mut self, byte: u8) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub fn insert_byte(&mut self, index: usize, byte: u8) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reduce_count` is never used
[INFO] [stdout]   --> src/fenwick_tree.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl<T> FenwickTree<T> {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 91 |     pub fn reduce_count(&mut self, index: T)
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `LZWEncoder` should have a snake case name
[INFO] [stdout]  --> src/algorithms/lzw_encoder.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod LZWEncoder {
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `lzwencoder`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `RLE` should have a snake case name
[INFO] [stdout]  --> src/algorithms/run_length_encoding.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod RLE {
[INFO] [stdout]   |         ^^^ help: convert the identifier to snake case: `rle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "98def27c5e0cfa4e1c52c7d7cc8bcd56a5ac8a0ed7fb003c44fb579023a1b6da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98def27c5e0cfa4e1c52c7d7cc8bcd56a5ac8a0ed7fb003c44fb579023a1b6da", kill_on_drop: false }`
[INFO] [stdout] 98def27c5e0cfa4e1c52c7d7cc8bcd56a5ac8a0ed7fb003c44fb579023a1b6da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 952e5833f5da7b5c1bc8834e726cfa465ba27fab571e83b62c8cab8bcd119221
[INFO] running `Command { std: "docker" "start" "-a" "952e5833f5da7b5c1bc8834e726cfa465ba27fab571e83b62c8cab8bcd119221", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `text`
[INFO] [stderr]    --> src/algorithms/burrows_wheeler.rs:192:13
[INFO] [stderr]     |
[INFO] [stderr] 192 |         let mut text: Vec<u8> = "BANANA".bytes().collect();
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bloat`
[INFO] [stderr]    --> src/algorithms/burrows_wheeler.rs:195:13
[INFO] [stderr]     |
[INFO] [stderr] 195 |         let mut bloat: Vec<u8> = "BANANA".bytes().collect();
[INFO] [stderr]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bloat`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start`
[INFO] [stderr]    --> src/algorithms/burrows_wheeler.rs:201:13
[INFO] [stderr]     |
[INFO] [stderr] 201 |         let start = Instant::now();
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `encoded`
[INFO] [stderr]    --> src/algorithms/burrows_wheeler.rs:202:13
[INFO] [stderr]     |
[INFO] [stderr] 202 |         let encoded = BurrowsWheeler::encode(&text);
[INFO] [stderr]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_encoded`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `duration_seq`
[INFO] [stderr]    --> src/algorithms/burrows_wheeler.rs:203:13
[INFO] [stderr]     |
[INFO] [stderr] 203 |         let duration_seq = start.elapsed();
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration_seq`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start`
[INFO] [stderr]    --> src/algorithms/burrows_wheeler.rs:206:13
[INFO] [stderr]     |
[INFO] [stderr] 206 |         let start = Instant::now();
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `duration_seq`
[INFO] [stderr]    --> src/algorithms/burrows_wheeler.rs:208:13
[INFO] [stderr]     |
[INFO] [stderr] 208 |         let duration_seq = start.elapsed();
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration_seq`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start`
[INFO] [stderr]    --> src/algorithms/burrows_wheeler.rs:212:13
[INFO] [stderr]     |
[INFO] [stderr] 212 |         let start = Instant::now();
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `duration_seq`
[INFO] [stderr]    --> src/algorithms/burrows_wheeler.rs:214:13
[INFO] [stderr]     |
[INFO] [stderr] 214 |         let duration_seq = start.elapsed();
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration_seq`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]   --> src/big_num.rs:47:33
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn substract(&mut self, other: &Self) {}
[INFO] [stderr]    |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: methods `print_encoding` and `print_as_tree` are never used
[INFO] [stderr]    --> src/algorithms/huffman_tree.rs:163:12
[INFO] [stderr]     |
[INFO] [stderr] 114 | impl Node {
[INFO] [stderr]     | --------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 163 |     pub fn print_encoding(&self, encoding: Vec<u8>) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 188 |     pub fn print_as_tree(&self, prefix: &str, is_left: bool) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `print_encoding` and `print_tree` are never used
[INFO] [stderr]    --> src/algorithms/huffman_tree.rs:510:12
[INFO] [stderr]     |
[INFO] [stderr] 294 | impl HuffmanTree {
[INFO] [stderr]     | ---------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 510 |     pub fn print_encoding(&self) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 514 |     pub fn print_tree(&self) {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `substract` and `print` are never used
[INFO] [stderr]    --> src/big_num.rs:47:12
[INFO] [stderr]     |
[INFO] [stderr]  18 | impl BigNum {
[INFO] [stderr]     | ----------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  47 |     pub fn substract(&mut self, other: &Self) {}
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 106 |     pub fn print(&self) {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/big_num.rs:161:12
[INFO] [stderr]     |
[INFO] [stderr] 160 | impl DecimalNum {
[INFO] [stderr]     | --------------- associated function in this implementation
[INFO] [stderr] 161 |     pub fn new() -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `push_byte` and `insert_byte` are never used
[INFO] [stderr]   --> src/compressed_buffer.rs:77:12
[INFO] [stderr]    |
[INFO] [stderr] 34 | impl CompressedBuffer {
[INFO] [stderr]    | --------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 77 |     pub fn push_byte(&mut self, byte: u8) {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 83 |     pub fn insert_byte(&mut self, index: usize, byte: u8) {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `reduce_count` is never used
[INFO] [stderr]   --> src/fenwick_tree.rs:91:12
[INFO] [stderr]    |
[INFO] [stderr]  9 | impl<T> FenwickTree<T> {
[INFO] [stderr]    | ---------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 91 |     pub fn reduce_count(&mut self, index: T)
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `LZWEncoder` should have a snake case name
[INFO] [stderr]  --> src/algorithms/lzw_encoder.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod LZWEncoder {
[INFO] [stderr]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `lzwencoder`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `RLE` should have a snake case name
[INFO] [stderr]  --> src/algorithms/run_length_encoding.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod RLE {
[INFO] [stderr]   |         ^^^ help: convert the identifier to snake case: `rle`
[INFO] [stderr] 
[INFO] [stderr] warning: `simple-file-compressor` (bin "simple-file-compressor" test) generated 18 warnings (run `cargo fix --bin "simple-file-compressor" -p simple-file-compressor --tests` to apply 10 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/simple_file_compressor-fe7e07a54e4110b8)
[INFO] [stdout] 
[INFO] [stdout] running 44 tests
[INFO] [stdout] test algorithms::burrows_wheeler::tests::burrows_wheeler_encode ... ok
[INFO] [stdout] test algorithms::arithmetic_encoder::tests::arithmetic_encode_n_decode_with_metadatas ... ok
[INFO] [stdout] test algorithms::burrows_wheeler::tests::burrows_wheeler_decode ... ok
[INFO] [stdout] test algorithms::huffman_tree::tests::test_decode ... ok
[INFO] [stdout] test algorithms::burrows_wheeler::tests::bwt_encode_benchmark ... ok
[INFO] [stdout] test algorithms::huffman_tree::tests::converting_tree_to_array ... ok
[INFO] [stdout] test algorithms::huffman_tree::tests::encode_n_decode_with_metadatas ... ok
[INFO] [stdout] test algorithms::huffman_tree::tests::get_encoding ... ok
[INFO] [stdout] test algorithms::huffman_tree::tests::tree_len ... ok
[INFO] [stdout] test algorithms::lzw_encoder::tests::encode_n_decode ... ok
[INFO] [stdout] test algorithms::huffman_tree::tests::testing_indexing_by_char ... ok
[INFO] [stdout] test algorithms::run_length_encoding::RLE::tests::rle_simple_test ... ok
[INFO] [stdout] test algorithms::lzw_encoder::tests::parsing_encoding_through_huffman_encoding ... ok
[INFO] [stdout] test big_num::tests::bignum_addition ... ok
[INFO] [stdout] test algorithms::move_to_front::tests::move_to_front_encode ... ok
[INFO] [stdout] test algorithms::huffman_tree::tests::tree_with_null_char ... ok
[INFO] [stdout] test algorithms::lzw_encoder::tests::test_decode ... ok
[INFO] [stdout] test big_num::tests::bignum_multiply ... ok
[INFO] [stdout] test big_num::tests::test_bits_to_decimal ... ok
[INFO] [stdout] test bit_queue::bit_queue_test ... ok
[INFO] [stdout] test algorithms::huffman_tree::tests::testing_indexing_by_encoding ... ok
[INFO] [stdout] test algorithms::lzw_encoder::tests::encode_n_decode_default_text_255 ... ok
[INFO] [stdout] test algorithms::lzw_encoder::tests::encode_n_decode_with_metadatas ... ok
[INFO] [stdout] test algorithms::lzw_encoder::tests::test_encode ... ok
[INFO] [stdout] test algorithms::move_to_front::tests::move_to_front_decode ... ok
[INFO] [stdout] test compressed_buffer::tests::pushing_bit ... ok
[INFO] [stdout] test fenwick_tree::tests::fenwick_tree_get_bounds ... ok
[INFO] [stdout] test algorithms::burrows_wheeler::tests::burrows_wheeler_encode_sync ... ok
[INFO] [stdout] test fenwick_tree::tests::fenwick_tree_update ... ok
[INFO] [stdout] test file_handler::tests::compress_with_lzw_then_huffman ... ok
[INFO] [stdout] test utils::tests::test_entropy ... ok
[INFO] [stdout] test fenwick_tree::tests::fenwick_tree_sum ... ok
[INFO] [stdout] test file_handler::tests::compress_with_huffman_then_lzw ... ok
[INFO] [stdout] test algorithms::arithmetic_encoder::tests::arithmetic_simple_test ... ok
[INFO] [stdout] test varsize::tests::test_encode_n_decode ... ok
[INFO] [stdout] test fenwick_tree::tests::fenwick_tree_search_range ... ok
[INFO] [stdout] test varsize::tests::test_decode_variable_width_code ... ok
[INFO] [stdout] test varsize::tests::test_encode_variable_width_code ... ok
[INFO] [stdout] test algorithms::burrows_wheeler::tests::burrows_wheeler_encoding_with_metadatas ... ok
[INFO] [stdout] test algorithms::huffman_tree::tests::test_save_n_load_tree ... FAILED
[INFO] [stdout] test file_handler::tests::test_compress_n_uncompress_with_huffman_n_lzw ... FAILED
[INFO] [stdout] test file_handler::tests::compress_with_bwt_mtf_huff ... ok
[INFO] [stdout] test algorithms::arithmetic_encoder::tests::arithmetic_medium_test ... ok
[INFO] [stderr] error: test failed, to rerun pass `--bin simple-file-compressor`
[INFO] [stdout] test algorithms::arithmetic_encoder::tests::arithmetic_extensive_test ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- algorithms::huffman_tree::tests::test_save_n_load_tree stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'algorithms::huffman_tree::tests::test_save_n_load_tree' (40) panicked at src/algorithms/huffman_tree.rs:531:14:
[INFO] [stdout] Failed to create file in src/huffman_tree.rs => fn save_as_file: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x587b54cef7e2 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x587b54cef7e2 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x587b54cef7e2 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x587b54cef7e2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x587b54cffd6f - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x587b54cffd6f - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x587b54cbce13 - std::io::default_write_fmt::hd6d24501f2d7f8d3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x587b54cbce13 - std::io::Write::write_fmt::h79eca2f72fc24111
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x587b54cc8c92 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x587b54ccd99f - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x587b54ccd831 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x587b54c4f33e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x587b54c4f33e - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x587b54cce05f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x587b54cce05f - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x587b54ccde0a - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x587b54cc8dc9 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x587b54cb0ead - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x587b54d078d0 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x587b54d06e56 - core::result::unwrap_failed::he05762ef9e6bdf9c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1862:5
[INFO] [stdout]   20:     0x587b54bef5fe - core::result::Result<T,E>::expect::he20e13140f165cc3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1185:23
[INFO] [stdout]   21:     0x587b54bf625c - simple_file_compressor::algorithms::huffman_tree::HuffmanTree::save_as_file::h30d1727233d46b4f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/algorithms/huffman_tree.rs:531:14
[INFO] [stdout]   22:     0x587b54c1be6a - simple_file_compressor::algorithms::huffman_tree::tests::test_save_n_load_tree::h6ed67bd3b148daf1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/algorithms/huffman_tree.rs:837:23
[INFO] [stdout]   23:     0x587b54c1c7b7 - simple_file_compressor::algorithms::huffman_tree::tests::test_save_n_load_tree::{{closure}}::h4887683fe41a015f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/algorithms/huffman_tree.rs:824:31
[INFO] [stdout]   24:     0x587b54bffe56 - core::ops::function::FnOnce::call_once::h6f628b0802a06d7d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x587b54c4f13b - core::ops::function::FnOnce::call_once::h2b2de5fdd23aab3e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x587b54c4f13b - test::__rust_begin_short_backtrace::he551dd004770be01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x587b54c6319d - test::run_test_in_process::{{closure}}::h5f0b44080a35ed87
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x587b54c6319d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4dbf65d14893ecf5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x587b54c6319d - std::panicking::catch_unwind::do_call::hc37c563b8a006285
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   30:     0x587b54c6319d - std::panicking::catch_unwind::h616b6e2e7a27f612
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   31:     0x587b54c6319d - std::panic::catch_unwind::h1e788dd57758e6d8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x587b54c6319d - test::run_test_in_process::hf073c2764f29f8ad
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x587b54c6319d - test::run_test::{{closure}}::h3dc46b7a0c340fa6
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x587b54c3c6e4 - test::run_test::{{closure}}::h6a4da3c57ef4505f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x587b54c3c6e4 - std::sys::backtrace::__rust_begin_short_backtrace::hfd8e44bc311a5d57
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   36:     0x587b54c3ff3a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h57c4ddec344fe24c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   37:     0x587b54c3ff3a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd7cbe09591f06dfb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x587b54c3ff3a - std::panicking::catch_unwind::do_call::hdcd076e8e993dfbc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   39:     0x587b54c3ff3a - std::panicking::catch_unwind::h8f9f675f3756eab1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   40:     0x587b54c3ff3a - std::panic::catch_unwind::he8f74a93abeceb9b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x587b54c3ff3a - std::thread::Builder::spawn_unchecked_::{{closure}}::he43db13a2caa41d5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   42:     0x587b54c3ff3a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8f3531a7e0d83514
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x587b54cc41cf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   44:     0x587b54cc41cf - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   45:     0x7ea65430eaa4 - <unknown>
[INFO] [stdout]   46:     0x7ea65439ba64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- file_handler::tests::test_compress_n_uncompress_with_huffman_n_lzw stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'file_handler::tests::test_compress_n_uncompress_with_huffman_n_lzw' (112) panicked at src/file_handler.rs:48:50:
[INFO] [stdout] Failed to create file.: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x587b54cef7e2 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x587b54cef7e2 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x587b54cef7e2 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x587b54cef7e2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x587b54cffd6f - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x587b54cffd6f - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x587b54cbce13 - std::io::default_write_fmt::hd6d24501f2d7f8d3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x587b54cbce13 - std::io::Write::write_fmt::h79eca2f72fc24111
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x587b54cc8c92 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x587b54ccd99f - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x587b54ccd831 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x587b54c4f33e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x587b54c4f33e - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x587b54cce05f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x587b54cce05f - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x587b54ccde0a - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x587b54cc8dc9 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x587b54cb0ead - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x587b54d078d0 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x587b54d06e56 - core::result::unwrap_failed::he05762ef9e6bdf9c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1862:5
[INFO] [stdout]   20:     0x587b54bef5fe - core::result::Result<T,E>::expect::he20e13140f165cc3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1185:23
[INFO] [stdout]   21:     0x587b54beb998 - simple_file_compressor::file_handler::create_file::h38bce5dee9ede0c9
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_handler.rs:48:50
[INFO] [stdout]   22:     0x587b54beca73 - simple_file_compressor::file_handler::compress::h05bcaf23ee3e86d8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_handler.rs:116:5
[INFO] [stdout]   23:     0x587b54bfd5db - simple_file_compressor::file_handler::tests::test_compress_n_uncompress_with_huffman_n_lzw::h043b90be4a8fa710
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_handler.rs:165:9
[INFO] [stdout]   24:     0x587b54bfda27 - simple_file_compressor::file_handler::tests::test_compress_n_uncompress_with_huffman_n_lzw::{{closure}}::h0d8e3fdf22026ddb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_handler.rs:160:55
[INFO] [stdout]   25:     0x587b54c00496 - core::ops::function::FnOnce::call_once::hd52f4235b0dd8243
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x587b54c4f13b - core::ops::function::FnOnce::call_once::h2b2de5fdd23aab3e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x587b54c4f13b - test::__rust_begin_short_backtrace::he551dd004770be01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stdout]   28:     0x587b54c6319d - test::run_test_in_process::{{closure}}::h5f0b44080a35ed87
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stdout]   29:     0x587b54c6319d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4dbf65d14893ecf5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   30:     0x587b54c6319d - std::panicking::catch_unwind::do_call::hc37c563b8a006285
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   31:     0x587b54c6319d - std::panicking::catch_unwind::h616b6e2e7a27f612
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   32:     0x587b54c6319d - std::panic::catch_unwind::h1e788dd57758e6d8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   33:     0x587b54c6319d - test::run_test_in_process::hf073c2764f29f8ad
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stdout]   34:     0x587b54c6319d - test::run_test::{{closure}}::h3dc46b7a0c340fa6
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stdout]   35:     0x587b54c3c6e4 - test::run_test::{{closure}}::h6a4da3c57ef4505f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stdout]   36:     0x587b54c3c6e4 - std::sys::backtrace::__rust_begin_short_backtrace::hfd8e44bc311a5d57
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   37:     0x587b54c3ff3a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h57c4ddec344fe24c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   38:     0x587b54c3ff3a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd7cbe09591f06dfb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   39:     0x587b54c3ff3a - std::panicking::catch_unwind::do_call::hdcd076e8e993dfbc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   40:     0x587b54c3ff3a - std::panicking::catch_unwind::h8f9f675f3756eab1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   41:     0x587b54c3ff3a - std::panic::catch_unwind::he8f74a93abeceb9b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   42:     0x587b54c3ff3a - std::thread::Builder::spawn_unchecked_::{{closure}}::he43db13a2caa41d5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   43:     0x587b54c3ff3a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8f3531a7e0d83514
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   44:     0x587b54cc41cf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   45:     0x587b54cc41cf - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   46:     0x7ea65430eaa4 - <unknown>
[INFO] [stdout]   47:     0x7ea65439ba64 - clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     algorithms::huffman_tree::tests::test_save_n_load_tree
[INFO] [stdout]     file_handler::tests::test_compress_n_uncompress_with_huffman_n_lzw
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 42 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.14s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "952e5833f5da7b5c1bc8834e726cfa465ba27fab571e83b62c8cab8bcd119221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "952e5833f5da7b5c1bc8834e726cfa465ba27fab571e83b62c8cab8bcd119221", kill_on_drop: false }`
[INFO] [stdout] 952e5833f5da7b5c1bc8834e726cfa465ba27fab571e83b62c8cab8bcd119221
