[INFO] cloning repository https://github.com/joxer/Oggetto
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joxer/Oggetto" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoxer%2FOggetto", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoxer%2FOggetto'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 572fbcf18188728fb1efc6197f40fee2f98762f8
[INFO] checking joxer/Oggetto against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoxer%2FOggetto" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joxer/Oggetto on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/joxer/Oggetto
[INFO] finished tweaking git repo https://github.com/joxer/Oggetto
[INFO] tweaked toml for git repo https://github.com/joxer/Oggetto written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/joxer/Oggetto already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63338f25fecab9b328d56ef9cffab206951b451be11b6cf24469bb5be05c51ce
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "63338f25fecab9b328d56ef9cffab206951b451be11b6cf24469bb5be05c51ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63338f25fecab9b328d56ef9cffab206951b451be11b6cf24469bb5be05c51ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63338f25fecab9b328d56ef9cffab206951b451be11b6cf24469bb5be05c51ce", kill_on_drop: false }`
[INFO] [stdout] 63338f25fecab9b328d56ef9cffab206951b451be11b6cf24469bb5be05c51ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d559a6d4990fb1866ca95d8069dc94908b2d5f048e8412bf61f7847540321740
[INFO] running `Command { std: "docker" "start" "-a" "d559a6d4990fb1866ca95d8069dc94908b2d5f048e8412bf61f7847540321740", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling crc32c v0.4.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling reed-solomon-erasure v4.0.2
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking data-encoding v2.2.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking oggetto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::data_encoding::HEXUPPER`
[INFO] [stdout]  --> src/chunk.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::data_encoding::HEXUPPER;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::serde::ser::SerializeSeq`
[INFO] [stdout]  --> src/chunk.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::serde::ser::SerializeSeq;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::serde::Serializer`
[INFO] [stdout]  --> src/chunk.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::serde::Serializer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Debug`
[INFO] [stdout]   --> src/chunk.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::fmt::Debug;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/chunk.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]   --> src/chunk.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::io::{Read, Write};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]   --> src/chunk.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::path::PathBuf;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SerializeSeq`, `Serializer`
[INFO] [stdout]   --> src/redundant_file.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde::ser::{SerializeSeq, Serializer};
[INFO] [stdout]    |                  ^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Layout`, `alloc`, `dealloc`
[INFO] [stdout]   --> src/redundant_file.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::alloc::{alloc, dealloc, Layout};
[INFO] [stdout]    |                  ^^^^^  ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/redundant_file.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/redundant_file.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::data_encoding::HEXUPPER`
[INFO] [stdout]  --> src/chunk.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::data_encoding::HEXUPPER;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::serde::ser::SerializeSeq`
[INFO] [stdout]  --> src/chunk.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::serde::ser::SerializeSeq;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::serde::Serializer`
[INFO] [stdout]  --> src/chunk.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::serde::Serializer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Debug`
[INFO] [stdout]   --> src/chunk.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::fmt::Debug;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/chunk.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]   --> src/chunk.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::io::{Read, Write};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]   --> src/chunk.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::path::PathBuf;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SerializeSeq`, `Serializer`
[INFO] [stdout]   --> src/redundant_file.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde::ser::{SerializeSeq, Serializer};
[INFO] [stdout]    |                  ^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Layout`, `alloc`, `dealloc`
[INFO] [stdout]   --> src/redundant_file.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::alloc::{alloc, dealloc, Layout};
[INFO] [stdout]    |                  ^^^^^  ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/redundant_file.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/redundant_file.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/volume_manager.rs:424:9
[INFO] [stdout]     |
[INFO] [stdout] 374 | /         match self {
[INFO] [stdout] 375 | |             FileVolumeManager::MetaData {
[INFO] [stdout] 376 | |                 path,
[INFO] [stdout] 377 | |                 file,
[INFO] [stdout] ...   |
[INFO] [stdout] 422 | |             }
[INFO] [stdout] 423 | |         }
[INFO] [stdout]     | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 424 |           Ok(0u64)
[INFO] [stdout]     |           ^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> src/chunk.rs:15:21
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::io::{Read, Write};
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]   --> src/redundant_file.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::io::Read;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/chunk.rs:96:21
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 Err(err) => {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/chunk.rs:190:13
[INFO] [stdout]     |
[INFO] [stdout] 190 |         for i in 0..(PARITY + (BLOCKS - vecs.len())) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_chunks`
[INFO] [stdout]    --> src/chunk.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |         n_chunks: usize,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_chunks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/volume.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let file = RedundantFile::rebuild(id, self, writer);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/volume.rs:110:34
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn get_redundant_file(&self, id: UUID) -> Result<Box<RedundantFile>, VolumeError> {
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/volume.rs:115:25
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn get_chunk(&self, id: UUID) -> Result<Box<Chunk>, VolumeError> {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/volume.rs:120:25
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn get_block(&self, id: UUID) -> Result<Box<Block>, VolumeError> {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/volume_manager.rs:318:17
[INFO] [stdout]     |
[INFO] [stdout] 318 |                 path,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `path: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/volume_manager.rs:344:17
[INFO] [stdout]     |
[INFO] [stdout] 344 |                 path,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `path: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/volume_manager.rs:376:17
[INFO] [stdout]     |
[INFO] [stdout] 376 |                 path,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `path: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/volume_manager.rs:377:17
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 file,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `file: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/volume_manager.rs:400:17
[INFO] [stdout]     |
[INFO] [stdout] 400 |                 path,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `path: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/volume_manager.rs:401:17
[INFO] [stdout]     |
[INFO] [stdout] 401 |                 file,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `file: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/volume_manager.rs:430:17
[INFO] [stdout]     |
[INFO] [stdout] 430 |                 path,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `path: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `super_block`
[INFO] [stdout]    --> src/volume_manager.rs:432:17
[INFO] [stdout]     |
[INFO] [stdout] 432 |                 super_block,
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: try ignoring the field: `super_block: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_vector`
[INFO] [stdout]    --> src/volume_manager.rs:433:17
[INFO] [stdout]     |
[INFO] [stdout] 433 |                 file_vector,
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: try ignoring the field: `file_vector: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/volume_manager.rs:450:17
[INFO] [stdout]     |
[INFO] [stdout] 450 |                 path,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `path: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/volume_manager.rs:451:17
[INFO] [stdout]     |
[INFO] [stdout] 451 |                 file,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `file: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `super_block`
[INFO] [stdout]    --> src/volume_manager.rs:452:17
[INFO] [stdout]     |
[INFO] [stdout] 452 |                 super_block,
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: try ignoring the field: `super_block: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chunk_vector`
[INFO] [stdout]    --> src/volume_manager.rs:453:17
[INFO] [stdout]     |
[INFO] [stdout] 453 |                 chunk_vector,
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: try ignoring the field: `chunk_vector: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/volume_manager.rs:467:17
[INFO] [stdout]     |
[INFO] [stdout] 467 |                 path,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `path: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `super_block`
[INFO] [stdout]    --> src/volume_manager.rs:469:17
[INFO] [stdout]     |
[INFO] [stdout] 469 |                 super_block,
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: try ignoring the field: `super_block: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_vector`
[INFO] [stdout]    --> src/volume_manager.rs:470:17
[INFO] [stdout]     |
[INFO] [stdout] 470 |                 file_vector,
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: try ignoring the field: `file_vector: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/volume_manager.rs:487:17
[INFO] [stdout]     |
[INFO] [stdout] 487 |                 path,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `path: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/volume_manager.rs:488:17
[INFO] [stdout]     |
[INFO] [stdout] 488 |                 file,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `file: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `super_block`
[INFO] [stdout]    --> src/volume_manager.rs:489:17
[INFO] [stdout]     |
[INFO] [stdout] 489 |                 super_block,
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: try ignoring the field: `super_block: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chunk_vector`
[INFO] [stdout]    --> src/volume_manager.rs:490:17
[INFO] [stdout]     |
[INFO] [stdout] 490 |                 chunk_vector,
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: try ignoring the field: `chunk_vector: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/volume_manager.rs:424:9
[INFO] [stdout]     |
[INFO] [stdout] 374 | /         match self {
[INFO] [stdout] 375 | |             FileVolumeManager::MetaData {
[INFO] [stdout] 376 | |                 path,
[INFO] [stdout] 377 | |                 file,
[INFO] [stdout] ...   |
[INFO] [stdout] 422 | |             }
[INFO] [stdout] 423 | |         }
[INFO] [stdout]     | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 424 |           Ok(0u64)
[INFO] [stdout]     |           ^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> src/chunk.rs:15:21
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::io::{Read, Write};
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]   --> src/redundant_file.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::io::Read;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/block.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let mut v = [0u8; BLOCK_SIZE];
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/chunk.rs:96:21
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 Err(err) => {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/chunk.rs:190:13
[INFO] [stdout]     |
[INFO] [stdout] 190 |         for i in 0..(PARITY + (BLOCKS - vecs.len())) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_chunks`
[INFO] [stdout]    --> src/chunk.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |         n_chunks: usize,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_chunks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/volume.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let file = RedundantFile::rebuild(id, self, writer);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/volume.rs:110:34
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn get_redundant_file(&self, id: UUID) -> Result<Box<RedundantFile>, VolumeError> {
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/volume.rs:115:25
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn get_chunk(&self, id: UUID) -> Result<Box<Chunk>, VolumeError> {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/volume.rs:120:25
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn get_block(&self, id: UUID) -> Result<Box<Block>, VolumeError> {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/volume_manager.rs:318:17
[INFO] [stdout]     |
[INFO] [stdout] 318 |                 path,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `path: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/volume_manager.rs:344:17
[INFO] [stdout]     |
[INFO] [stdout] 344 |                 path,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `path: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/volume_manager.rs:376:17
[INFO] [stdout]     |
[INFO] [stdout] 376 |                 path,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `path: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/volume_manager.rs:377:17
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 file,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `file: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/volume_manager.rs:400:17
[INFO] [stdout]     |
[INFO] [stdout] 400 |                 path,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `path: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/volume_manager.rs:401:17
[INFO] [stdout]     |
[INFO] [stdout] 401 |                 file,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `file: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/volume_manager.rs:430:17
[INFO] [stdout]     |
[INFO] [stdout] 430 |                 path,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `path: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `super_block`
[INFO] [stdout]    --> src/volume_manager.rs:432:17
[INFO] [stdout]     |
[INFO] [stdout] 432 |                 super_block,
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: try ignoring the field: `super_block: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_vector`
[INFO] [stdout]    --> src/volume_manager.rs:433:17
[INFO] [stdout]     |
[INFO] [stdout] 433 |                 file_vector,
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: try ignoring the field: `file_vector: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/volume_manager.rs:450:17
[INFO] [stdout]     |
[INFO] [stdout] 450 |                 path,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `path: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/volume_manager.rs:451:17
[INFO] [stdout]     |
[INFO] [stdout] 451 |                 file,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `file: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `super_block`
[INFO] [stdout]    --> src/volume_manager.rs:452:17
[INFO] [stdout]     |
[INFO] [stdout] 452 |                 super_block,
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: try ignoring the field: `super_block: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chunk_vector`
[INFO] [stdout]    --> src/volume_manager.rs:453:17
[INFO] [stdout]     |
[INFO] [stdout] 453 |                 chunk_vector,
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: try ignoring the field: `chunk_vector: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/volume_manager.rs:467:17
[INFO] [stdout]     |
[INFO] [stdout] 467 |                 path,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `path: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `super_block`
[INFO] [stdout]    --> src/volume_manager.rs:469:17
[INFO] [stdout]     |
[INFO] [stdout] 469 |                 super_block,
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: try ignoring the field: `super_block: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_vector`
[INFO] [stdout]    --> src/volume_manager.rs:470:17
[INFO] [stdout]     |
[INFO] [stdout] 470 |                 file_vector,
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: try ignoring the field: `file_vector: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/volume_manager.rs:487:17
[INFO] [stdout]     |
[INFO] [stdout] 487 |                 path,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `path: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/volume_manager.rs:488:17
[INFO] [stdout]     |
[INFO] [stdout] 488 |                 file,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `file: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `super_block`
[INFO] [stdout]    --> src/volume_manager.rs:489:17
[INFO] [stdout]     |
[INFO] [stdout] 489 |                 super_block,
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: try ignoring the field: `super_block: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chunk_vector`
[INFO] [stdout]    --> src/volume_manager.rs:490:17
[INFO] [stdout]     |
[INFO] [stdout] 490 |                 chunk_vector,
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: try ignoring the field: `chunk_vector: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/block.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let mut v = [0u8; BLOCK_SIZE];
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_bin_vec`
[INFO] [stdout]   --> src/redundant_file.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn to_bin_vec(self) -> Vec<u8> {
[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: `to_bin_vec`
[INFO] [stdout]   --> src/redundant_file.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn to_bin_vec(self) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/block.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         seq.serialize_element(o_chunk);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/chunk.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |         chunk.inner_rebuild(data_manager, writer);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/chunk.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         writer.write(&data[..]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/volume.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         writer.flush();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/volume.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         self.restruct(id, &mut file);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `file_vector_size` should have an upper case name
[INFO] [stdout]  --> src/volume_manager.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const file_vector_size: usize = 16;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `FILE_VECTOR_SIZE`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/block.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         seq.serialize_element(o_chunk);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/chunk.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |         chunk.inner_rebuild(data_manager, writer);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/chunk.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         writer.write(&data[..]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/volume.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         writer.flush();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/volume.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         self.restruct(id, &mut file);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `file_vector_size` should have an upper case name
[INFO] [stdout]  --> src/volume_manager.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const file_vector_size: usize = 16;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `FILE_VECTOR_SIZE`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 49 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 49 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.49s
[INFO] running `Command { std: "docker" "inspect" "d559a6d4990fb1866ca95d8069dc94908b2d5f048e8412bf61f7847540321740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d559a6d4990fb1866ca95d8069dc94908b2d5f048e8412bf61f7847540321740", kill_on_drop: false }`
[INFO] [stdout] d559a6d4990fb1866ca95d8069dc94908b2d5f048e8412bf61f7847540321740