[INFO] cloning repository https://github.com/me020523/rust-oram
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/me020523/rust-oram" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fme020523%2Frust-oram", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fme020523%2Frust-oram'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 366a6bc4c20ba3a9ee21ab1f28da26c713d22d91
[INFO] checking me020523/rust-oram against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fme020523%2Frust-oram" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/me020523/rust-oram on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/me020523/rust-oram
[INFO] finished tweaking git repo https://github.com/me020523/rust-oram
[INFO] tweaked toml for git repo https://github.com/me020523/rust-oram written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/me020523/rust-oram already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da30e7b920ec979ed6e77abd9a10a6fa5a9dadbe15748fae401b7a480588f815
[INFO] running `Command { std: "docker" "start" "-a" "da30e7b920ec979ed6e77abd9a10a6fa5a9dadbe15748fae401b7a480588f815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da30e7b920ec979ed6e77abd9a10a6fa5a9dadbe15748fae401b7a480588f815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da30e7b920ec979ed6e77abd9a10a6fa5a9dadbe15748fae401b7a480588f815", kill_on_drop: false }`
[INFO] [stdout] da30e7b920ec979ed6e77abd9a10a6fa5a9dadbe15748fae401b7a480588f815
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a30c8d105a0bce528abc50a1c328c6c8b5a83e09f8d1b377489dffc0c4bd130b
[INFO] running `Command { std: "docker" "start" "-a" "a30c8d105a0bce528abc50a1c328c6c8b5a83e09f8d1b377489dffc0c4bd130b", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking rust-oram v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/main.rs (1 fix)
[INFO] [stderr]        Fixed src/bucket.rs (6 fixes)
[INFO] [stdout] warning: value assigned to `v` is never read
[INFO] [stdout]   --> src/main.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut v = Option::None;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_id`
[INFO] [stdout]   --> src/block.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn with_id(gn: u32) -> Block {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_dummy`
[INFO] [stdout]   --> src/block.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn is_dummy(&self, gn: u32) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> src/block.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn reset(&mut self, data_size: u32, gn: u32) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_z`
[INFO] [stdout]   --> src/bucket.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn with_z(z: u8) -> Bucket {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset_blocks`
[INFO] [stdout]   --> src/bucket.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn reset_blocks(&mut self, data_size: u32, gn: u32) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `aes_encrypt_blocks`
[INFO] [stdout]   --> src/bucket.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn aes_encrypt_blocks(&mut self, _data_size: u32, _aes_key: &[u8]) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `aes_decrypt_blocks`
[INFO] [stdout]   --> src/bucket.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn aes_decrypt_blocks(&mut self, _data_size: u32, _aes_key: &[u8]) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize`
[INFO] [stdout]   --> src/bucket.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn serialize(&mut self, _data_size: u32) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize_to_buffer`
[INFO] [stdout]   --> src/bucket.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn serialize_to_buffer(&mut self, _buf: Vec<u8>) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `demo_code`
[INFO] [stdout]   --> src/main.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn demo_code() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v` is never read
[INFO] [stdout]   --> src/main.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut v = Option::None;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_id`
[INFO] [stdout]   --> src/block.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn with_id(gn: u32) -> Block {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_dummy`
[INFO] [stdout]   --> src/block.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn is_dummy(&self, gn: u32) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> src/block.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn reset(&mut self, data_size: u32, gn: u32) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_z`
[INFO] [stdout]   --> src/bucket.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn with_z(z: u8) -> Bucket {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset_blocks`
[INFO] [stdout]   --> src/bucket.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn reset_blocks(&mut self, data_size: u32, gn: u32) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `aes_encrypt_blocks`
[INFO] [stdout]   --> src/bucket.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn aes_encrypt_blocks(&mut self, _data_size: u32, _aes_key: &[u8]) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `aes_decrypt_blocks`
[INFO] [stdout]   --> src/bucket.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn aes_decrypt_blocks(&mut self, _data_size: u32, _aes_key: &[u8]) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize`
[INFO] [stdout]   --> src/bucket.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn serialize(&mut self, _data_size: u32) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize_to_buffer`
[INFO] [stdout]   --> src/bucket.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn serialize_to_buffer(&mut self, _buf: Vec<u8>) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `demo_code`
[INFO] [stdout]   --> src/main.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn demo_code() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.74s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rust-oram v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: value assigned to `v` is never read
[INFO] [stdout]   --> src/main.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut v = Option::None;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v` is never read
[INFO] [stdout]   --> src/main.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut v = Option::None;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_id`
[INFO] [stdout]   --> src/block.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn with_id(gn: u32) -> Block {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_dummy`
[INFO] [stdout]   --> src/block.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn is_dummy(&self, gn: u32) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> src/block.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn reset(&mut self, data_size: u32, gn: u32) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_z`
[INFO] [stdout]   --> src/bucket.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn with_z(z: u8) -> Bucket {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset_blocks`
[INFO] [stdout]   --> src/bucket.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn reset_blocks(&mut self, data_size: u32, gn: u32) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `aes_encrypt_blocks`
[INFO] [stdout]   --> src/bucket.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn aes_encrypt_blocks(&mut self, _data_size: u32, _aes_key: &[u8]) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `aes_decrypt_blocks`
[INFO] [stdout]   --> src/bucket.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn aes_decrypt_blocks(&mut self, _data_size: u32, _aes_key: &[u8]) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize`
[INFO] [stdout]   --> src/bucket.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn serialize(&mut self, _data_size: u32) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize_to_buffer`
[INFO] [stdout]   --> src/bucket.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn serialize_to_buffer(&mut self, _buf: Vec<u8>) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `demo_code`
[INFO] [stdout]   --> src/main.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn demo_code() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_id`
[INFO] [stdout]   --> src/block.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn with_id(gn: u32) -> Block {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_dummy`
[INFO] [stdout]   --> src/block.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn is_dummy(&self, gn: u32) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> src/block.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn reset(&mut self, data_size: u32, gn: u32) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_z`
[INFO] [stdout]   --> src/bucket.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn with_z(z: u8) -> Bucket {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset_blocks`
[INFO] [stdout]   --> src/bucket.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn reset_blocks(&mut self, data_size: u32, gn: u32) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `aes_encrypt_blocks`
[INFO] [stdout]   --> src/bucket.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn aes_encrypt_blocks(&mut self, _data_size: u32, _aes_key: &[u8]) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `aes_decrypt_blocks`
[INFO] [stdout]   --> src/bucket.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn aes_decrypt_blocks(&mut self, _data_size: u32, _aes_key: &[u8]) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize`
[INFO] [stdout]   --> src/bucket.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn serialize(&mut self, _data_size: u32) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize_to_buffer`
[INFO] [stdout]   --> src/bucket.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn serialize_to_buffer(&mut self, _buf: Vec<u8>) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `demo_code`
[INFO] [stdout]   --> src/main.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn demo_code() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "a30c8d105a0bce528abc50a1c328c6c8b5a83e09f8d1b377489dffc0c4bd130b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a30c8d105a0bce528abc50a1c328c6c8b5a83e09f8d1b377489dffc0c4bd130b", kill_on_drop: false }`
[INFO] [stdout] a30c8d105a0bce528abc50a1c328c6c8b5a83e09f8d1b377489dffc0c4bd130b