[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] testing joxer/Oggetto against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoxer%2FOggetto" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joxer/Oggetto on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-8/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" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.29
[INFO] [stderr]   Downloaded crc32c v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b9d7ff69fcb53a74718014dce281ac7db3d28609c2a0b113401481960bf7502
[INFO] running `Command { std: "docker" "start" "-a" "9b9d7ff69fcb53a74718014dce281ac7db3d28609c2a0b113401481960bf7502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b9d7ff69fcb53a74718014dce281ac7db3d28609c2a0b113401481960bf7502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b9d7ff69fcb53a74718014dce281ac7db3d28609c2a0b113401481960bf7502", kill_on_drop: false }`
[INFO] [stdout] 9b9d7ff69fcb53a74718014dce281ac7db3d28609c2a0b113401481960bf7502
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f10ed3d46b2d712328b7981e622e6bc82c74eea17458200297c7efd9d3e5dcc6
[INFO] running `Command { std: "docker" "start" "-a" "f10ed3d46b2d712328b7981e622e6bc82c74eea17458200297c7efd9d3e5dcc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling reed-solomon-erasure v4.0.2
[INFO] [stderr]    Compiling crc32c v0.4.0
[INFO] [stderr]    Compiling data-encoding v2.2.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling 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: 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: 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: unused `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 `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 `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 `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 `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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.14s
[INFO] running `Command { std: "docker" "inspect" "f10ed3d46b2d712328b7981e622e6bc82c74eea17458200297c7efd9d3e5dcc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f10ed3d46b2d712328b7981e622e6bc82c74eea17458200297c7efd9d3e5dcc6", kill_on_drop: false }`
[INFO] [stdout] f10ed3d46b2d712328b7981e622e6bc82c74eea17458200297c7efd9d3e5dcc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f878665f1f6265872e5e6e7f55c8e2a6f781c1b12095fc954f4eee8357a0839
[INFO] running `Command { std: "docker" "start" "-a" "3f878665f1f6265872e5e6e7f55c8e2a6f781c1b12095fc954f4eee8357a0839", kill_on_drop: false }`
[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: 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: unused `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 `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 `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 `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 `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] [stderr]    Compiling oggetto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 49 warnings emitted
[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: 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: unused `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 `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 `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 `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 `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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "3f878665f1f6265872e5e6e7f55c8e2a6f781c1b12095fc954f4eee8357a0839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f878665f1f6265872e5e6e7f55c8e2a6f781c1b12095fc954f4eee8357a0839", kill_on_drop: false }`
[INFO] [stdout] 3f878665f1f6265872e5e6e7f55c8e2a6f781c1b12095fc954f4eee8357a0839
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 867d555d3ad079e244dd0db0cb5c1e2c48c0f2ff4b8dbf3aeaf4329cceb13c22
[INFO] running `Command { std: "docker" "start" "-a" "867d555d3ad079e244dd0db0cb5c1e2c48c0f2ff4b8dbf3aeaf4329cceb13c22", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::data_encoding::HEXUPPER`
[INFO] [stderr]  --> src/chunk.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::data_encoding::HEXUPPER;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::serde::ser::SerializeSeq`
[INFO] [stderr]  --> src/chunk.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::serde::ser::SerializeSeq;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::serde::Serializer`
[INFO] [stderr]  --> src/chunk.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::serde::Serializer;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::Debug`
[INFO] [stderr]   --> src/chunk.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::fmt::Debug;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> src/chunk.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::fs::File;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]   --> src/chunk.rs:15:15
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::io::{Read, Write};
[INFO] [stderr]    |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::PathBuf`
[INFO] [stderr]   --> src/chunk.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::path::PathBuf;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `SerializeSeq`, `Serializer`
[INFO] [stderr]   --> src/redundant_file.rs:10:18
[INFO] [stderr]    |
[INFO] [stderr] 10 | use serde::ser::{SerializeSeq, Serializer};
[INFO] [stderr]    |                  ^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Layout`, `alloc`, `dealloc`
[INFO] [stderr]   --> src/redundant_file.rs:11:18
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::alloc::{alloc, dealloc, Layout};
[INFO] [stderr]    |                  ^^^^^  ^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> src/redundant_file.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::fs::File;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]   --> src/redundant_file.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::path::Path;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/volume_manager.rs:424:9
[INFO] [stderr]     |
[INFO] [stderr] 374 | /         match self {
[INFO] [stderr] 375 | |             FileVolumeManager::MetaData {
[INFO] [stderr] 376 | |                 path,
[INFO] [stderr] 377 | |                 file,
[INFO] [stderr] ...   |
[INFO] [stderr] 422 | |             }
[INFO] [stderr] 423 | |         }
[INFO] [stderr]     | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stderr] 424 |           Ok(0u64)
[INFO] [stderr]     |           ^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]   --> src/chunk.rs:15:21
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::io::{Read, Write};
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]   --> src/redundant_file.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::io::Read;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/chunk.rs:96:21
[INFO] [stderr]    |
[INFO] [stderr] 96 |                 Err(err) => {
[INFO] [stderr]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/chunk.rs:190:13
[INFO] [stderr]     |
[INFO] [stderr] 190 |         for i in 0..(PARITY + (BLOCKS - vecs.len())) {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n_chunks`
[INFO] [stderr]    --> src/chunk.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |         n_chunks: usize,
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_chunks`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]    --> src/volume.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |         let file = RedundantFile::rebuild(id, self, writer);
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/volume.rs:110:34
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn get_redundant_file(&self, id: UUID) -> Result<Box<RedundantFile>, VolumeError> {
[INFO] [stderr]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/volume.rs:115:25
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn get_chunk(&self, id: UUID) -> Result<Box<Chunk>, VolumeError> {
[INFO] [stderr]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/volume.rs:120:25
[INFO] [stderr]     |
[INFO] [stderr] 120 |     fn get_block(&self, id: UUID) -> Result<Box<Block>, VolumeError> {
[INFO] [stderr]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/volume_manager.rs:318:17
[INFO] [stderr]     |
[INFO] [stderr] 318 |                 path,
[INFO] [stderr]     |                 ^^^^ help: try ignoring the field: `path: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/volume_manager.rs:344:17
[INFO] [stderr]     |
[INFO] [stderr] 344 |                 path,
[INFO] [stderr]     |                 ^^^^ help: try ignoring the field: `path: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/volume_manager.rs:376:17
[INFO] [stderr]     |
[INFO] [stderr] 376 |                 path,
[INFO] [stderr]     |                 ^^^^ help: try ignoring the field: `path: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]    --> src/volume_manager.rs:377:17
[INFO] [stderr]     |
[INFO] [stderr] 377 |                 file,
[INFO] [stderr]     |                 ^^^^ help: try ignoring the field: `file: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/volume_manager.rs:400:17
[INFO] [stderr]     |
[INFO] [stderr] 400 |                 path,
[INFO] [stderr]     |                 ^^^^ help: try ignoring the field: `path: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]    --> src/volume_manager.rs:401:17
[INFO] [stderr]     |
[INFO] [stderr] 401 |                 file,
[INFO] [stderr]     |                 ^^^^ help: try ignoring the field: `file: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/volume_manager.rs:430:17
[INFO] [stderr]     |
[INFO] [stderr] 430 |                 path,
[INFO] [stderr]     |                 ^^^^ help: try ignoring the field: `path: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `super_block`
[INFO] [stderr]    --> src/volume_manager.rs:432:17
[INFO] [stderr]     |
[INFO] [stderr] 432 |                 super_block,
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: try ignoring the field: `super_block: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file_vector`
[INFO] [stderr]    --> src/volume_manager.rs:433:17
[INFO] [stderr]     |
[INFO] [stderr] 433 |                 file_vector,
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: try ignoring the field: `file_vector: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/volume_manager.rs:450:17
[INFO] [stderr]     |
[INFO] [stderr] 450 |                 path,
[INFO] [stderr]     |                 ^^^^ help: try ignoring the field: `path: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]    --> src/volume_manager.rs:451:17
[INFO] [stderr]     |
[INFO] [stderr] 451 |                 file,
[INFO] [stderr]     |                 ^^^^ help: try ignoring the field: `file: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `super_block`
[INFO] [stderr]    --> src/volume_manager.rs:452:17
[INFO] [stderr]     |
[INFO] [stderr] 452 |                 super_block,
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: try ignoring the field: `super_block: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `chunk_vector`
[INFO] [stderr]    --> src/volume_manager.rs:453:17
[INFO] [stderr]     |
[INFO] [stderr] 453 |                 chunk_vector,
[INFO] [stderr]     |                 ^^^^^^^^^^^^ help: try ignoring the field: `chunk_vector: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/volume_manager.rs:467:17
[INFO] [stderr]     |
[INFO] [stderr] 467 |                 path,
[INFO] [stderr]     |                 ^^^^ help: try ignoring the field: `path: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `super_block`
[INFO] [stderr]    --> src/volume_manager.rs:469:17
[INFO] [stderr]     |
[INFO] [stderr] 469 |                 super_block,
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: try ignoring the field: `super_block: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file_vector`
[INFO] [stderr]    --> src/volume_manager.rs:470:17
[INFO] [stderr]     |
[INFO] [stderr] 470 |                 file_vector,
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: try ignoring the field: `file_vector: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/volume_manager.rs:487:17
[INFO] [stderr]     |
[INFO] [stderr] 487 |                 path,
[INFO] [stderr]     |                 ^^^^ help: try ignoring the field: `path: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]    --> src/volume_manager.rs:488:17
[INFO] [stderr]     |
[INFO] [stderr] 488 |                 file,
[INFO] [stderr]     |                 ^^^^ help: try ignoring the field: `file: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `super_block`
[INFO] [stderr]    --> src/volume_manager.rs:489:17
[INFO] [stderr]     |
[INFO] [stderr] 489 |                 super_block,
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: try ignoring the field: `super_block: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `chunk_vector`
[INFO] [stderr]    --> src/volume_manager.rs:490:17
[INFO] [stderr]     |
[INFO] [stderr] 490 |                 chunk_vector,
[INFO] [stderr]     |                 ^^^^^^^^^^^^ help: try ignoring the field: `chunk_vector: _`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/block.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let mut v = [0u8; BLOCK_SIZE];
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_bin_vec`
[INFO] [stderr]   --> src/redundant_file.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn to_bin_vec(self) -> Vec<u8> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/block.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         seq.serialize_element(o_chunk);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/chunk.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |         chunk.inner_rebuild(data_manager, writer);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/chunk.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 113 |         writer.write(&data[..]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/volume.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         writer.flush();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/volume.rs:135:9
[INFO] [stderr]     |
[INFO] [stderr] 135 |         self.restruct(id, &mut file);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: constant `file_vector_size` should have an upper case name
[INFO] [stderr]  --> src/volume_manager.rs:9:7
[INFO] [stderr]   |
[INFO] [stderr] 9 | const file_vector_size: usize = 16;
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `FILE_VECTOR_SIZE`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `oggetto` (lib) generated 49 warnings
[INFO] [stderr] warning: `oggetto` (lib test) generated 49 warnings (49 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/oggetto-beb1a248e27284d6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/oggetto-076723c3799a7f16)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests oggetto
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "867d555d3ad079e244dd0db0cb5c1e2c48c0f2ff4b8dbf3aeaf4329cceb13c22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "867d555d3ad079e244dd0db0cb5c1e2c48c0f2ff4b8dbf3aeaf4329cceb13c22", kill_on_drop: false }`
[INFO] [stdout] 867d555d3ad079e244dd0db0cb5c1e2c48c0f2ff4b8dbf3aeaf4329cceb13c22