[INFO] cloning repository https://github.com/JosephPrichard/Zipper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JosephPrichard/Zipper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosephPrichard%2FZipper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosephPrichard%2FZipper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1273b9b2db022515f6944d9d73ee320b59b12af
[INFO] checking JosephPrichard/Zipper against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosephPrichard%2FZipper" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JosephPrichard/Zipper on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/JosephPrichard/Zipper
[INFO] finished tweaking git repo https://github.com/JosephPrichard/Zipper
[INFO] tweaked toml for git repo https://github.com/JosephPrichard/Zipper written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/JosephPrichard/Zipper 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc45669f3ec74316efb07ff4f1ae13921e1fb21b07e55a22f724e21a4baebda9
[INFO] running `Command { std: "docker" "start" "-a" "fc45669f3ec74316efb07ff4f1ae13921e1fb21b07e55a22f724e21a4baebda9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc45669f3ec74316efb07ff4f1ae13921e1fb21b07e55a22f724e21a4baebda9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc45669f3ec74316efb07ff4f1ae13921e1fb21b07e55a22f724e21a4baebda9", kill_on_drop: false }`
[INFO] [stdout] fc45669f3ec74316efb07ff4f1ae13921e1fb21b07e55a22f724e21a4baebda9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c6e67287bcb96b18c704c6434f894a7e9856a3529dac965bb19884c09b18510
[INFO] running `Command { std: "docker" "start" "-a" "1c6e67287bcb96b18c704c6434f894a7e9856a3529dac965bb19884c09b18510", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[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 rayon v1.7.0
[INFO] [stderr]     Checking zipper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/utils.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{env, fs};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/utils.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng`, `distributions::Alphanumeric`
[INFO] [stdout]  --> src/utils.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::{distributions::Alphanumeric, Rng};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/utils.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{env, fs};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/utils.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng`, `distributions::Alphanumeric`
[INFO] [stdout]  --> src/utils.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::{distributions::Alphanumeric, Rng};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `symbol_count` is never read
[INFO] [stdout]    --> src/compress.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub struct CodeTree {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] 130 |     pub root: Box<Tree>,
[INFO] [stdout] 131 |     pub symbol_count: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `debug_binary_file` is never used
[INFO] [stdout]  --> src/debug.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn debug_binary_file(filepath: &str) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `debug_tree_file` is never used
[INFO] [stdout]   --> src/debug.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn debug_tree_file(filepath: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `debug_tree` is never used
[INFO] [stdout]   --> src/debug.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn debug_tree(node: &Box<Tree>, symbol_code: SymbolCode) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `symbol_count` is never read
[INFO] [stdout]    --> src/compress.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub struct CodeTree {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] 130 |     pub root: Box<Tree>,
[INFO] [stdout] 131 |     pub symbol_count: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `debug_binary_file` is never used
[INFO] [stdout]  --> src/debug.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn debug_binary_file(filepath: &str) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `debug_tree_file` is never used
[INFO] [stdout]   --> src/debug.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn debug_tree_file(filepath: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `debug_tree` is never used
[INFO] [stdout]   --> src/debug.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn debug_tree(node: &Box<Tree>, symbol_code: SymbolCode) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.97s
[INFO] running `Command { std: "docker" "inspect" "1c6e67287bcb96b18c704c6434f894a7e9856a3529dac965bb19884c09b18510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c6e67287bcb96b18c704c6434f894a7e9856a3529dac965bb19884c09b18510", kill_on_drop: false }`
[INFO] [stdout] 1c6e67287bcb96b18c704c6434f894a7e9856a3529dac965bb19884c09b18510
[INFO] checking JosephPrichard/Zipper against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosephPrichard%2FZipper" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JosephPrichard/Zipper on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/JosephPrichard/Zipper
[INFO] finished tweaking git repo https://github.com/JosephPrichard/Zipper
[INFO] tweaked toml for git repo https://github.com/JosephPrichard/Zipper written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JosephPrichard/Zipper 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d932ea9ddaab7d0938a28b1d04fbadbb0889d60cbdd456e5111ab98a9545df9
[INFO] running `Command { std: "docker" "start" "-a" "8d932ea9ddaab7d0938a28b1d04fbadbb0889d60cbdd456e5111ab98a9545df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d932ea9ddaab7d0938a28b1d04fbadbb0889d60cbdd456e5111ab98a9545df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d932ea9ddaab7d0938a28b1d04fbadbb0889d60cbdd456e5111ab98a9545df9", kill_on_drop: false }`
[INFO] [stdout] 8d932ea9ddaab7d0938a28b1d04fbadbb0889d60cbdd456e5111ab98a9545df9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbff44975346af64b0486e2634149b6dbc8a7b07ccf94bc050df862e69f4fd8f
[INFO] running `Command { std: "docker" "start" "-a" "fbff44975346af64b0486e2634149b6dbc8a7b07ccf94bc050df862e69f4fd8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking num_cpus v1.15.0
[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 rayon v1.7.0
[INFO] [stderr]     Checking zipper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/utils.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{env, fs};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/utils.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng`, `distributions::Alphanumeric`
[INFO] [stdout]  --> src/utils.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::{distributions::Alphanumeric, Rng};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/utils.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{env, fs};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/utils.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng`, `distributions::Alphanumeric`
[INFO] [stdout]  --> src/utils.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::{distributions::Alphanumeric, Rng};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `symbol_count` is never read
[INFO] [stdout]    --> src/compress.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub struct CodeTree {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] 130 |     pub root: Box<Tree>,
[INFO] [stdout] 131 |     pub symbol_count: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `debug_binary_file` is never used
[INFO] [stdout]  --> src/debug.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn debug_binary_file(filepath: &str) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `debug_tree_file` is never used
[INFO] [stdout]   --> src/debug.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn debug_tree_file(filepath: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `debug_tree` is never used
[INFO] [stdout]   --> src/debug.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn debug_tree(node: &Box<Tree>, symbol_code: SymbolCode) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `symbol_count` is never read
[INFO] [stdout]    --> src/compress.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub struct CodeTree {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] 130 |     pub root: Box<Tree>,
[INFO] [stdout] 131 |     pub symbol_count: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `debug_binary_file` is never used
[INFO] [stdout]  --> src/debug.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn debug_binary_file(filepath: &str) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `debug_tree_file` is never used
[INFO] [stdout]   --> src/debug.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn debug_tree_file(filepath: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `debug_tree` is never used
[INFO] [stdout]   --> src/debug.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn debug_tree(node: &Box<Tree>, symbol_code: SymbolCode) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.28s
[INFO] running `Command { std: "docker" "inspect" "fbff44975346af64b0486e2634149b6dbc8a7b07ccf94bc050df862e69f4fd8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbff44975346af64b0486e2634149b6dbc8a7b07ccf94bc050df862e69f4fd8f", kill_on_drop: false }`
[INFO] [stdout] fbff44975346af64b0486e2634149b6dbc8a7b07ccf94bc050df862e69f4fd8f