[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] d249b26ca88f2313a5acfaacc9c83165ab0a5692
[INFO] checking joxer/Oggetto against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[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 c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "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-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" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", 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] 0f7dbe34cf07d0c87708916a54bc1123c774ba36f27ecf5fd1c0415aaa3b0ab2
[INFO] running `Command { std: "docker" "start" "-a" "0f7dbe34cf07d0c87708916a54bc1123c774ba36f27ecf5fd1c0415aaa3b0ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f7dbe34cf07d0c87708916a54bc1123c774ba36f27ecf5fd1c0415aaa3b0ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f7dbe34cf07d0c87708916a54bc1123c774ba36f27ecf5fd1c0415aaa3b0ab2", kill_on_drop: false }`
[INFO] [stdout] 0f7dbe34cf07d0c87708916a54bc1123c774ba36f27ecf5fd1c0415aaa3b0ab2
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68e5b7a5b9b18005fca92dc942d43f9930d3ed49f210b2a5ae5b9a0f879015d2
[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" "68e5b7a5b9b18005fca92dc942d43f9930d3ed49f210b2a5ae5b9a0f879015d2", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[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 strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking sha1 v0.6.0
[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 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 uuid v0.8.1
[INFO] [stderr]     Checking serde_json v1.0.53
[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: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/redundant_file.rs:172:20
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 if (k == FIRST_INDIRECTION_SIZE) {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RedundantFileError`
[INFO] [stdout]  --> src/volume.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::error::{RedundantFileError, VolumeError};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FileVector`
[INFO] [stdout]  --> src/volume.rs:5:47
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::volume_manager::{FileVolumeManager,FileVector};
[INFO] [stdout]   |                                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::constants::FIRST_INDIRECTION_SIZE`
[INFO] [stdout]  --> src/volume.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::constants::FIRST_INDIRECTION_SIZE;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BLOCKS`, `READ_STEP`
[INFO] [stdout]  --> src/volume.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::constants::{BLOCKS, READ_STEP};
[INFO] [stdout]   |                        ^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]  --> src/volume.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::serde::{Deserialize, Serialize};
[INFO] [stdout]   |                    ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::uuid::Uuid`
[INFO] [stdout]  --> src/volume.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::uuid::Uuid;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]   --> src/volume.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::Rng;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SerializeSeq`, `Serializer`
[INFO] [stdout]   --> src/volume.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | use serde::ser::{SerializeSeq, Serializer};
[INFO] [stdout]    |                  ^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/volume.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]   --> src/volume.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::io::Read;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/volume.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/volume_manager.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::Deref;
[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: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/redundant_file.rs:172:20
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 if (k == FIRST_INDIRECTION_SIZE) {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RedundantFileError`
[INFO] [stdout]  --> src/volume.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::error::{RedundantFileError, VolumeError};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FileVector`
[INFO] [stdout]  --> src/volume.rs:5:47
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::volume_manager::{FileVolumeManager,FileVector};
[INFO] [stdout]   |                                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::constants::FIRST_INDIRECTION_SIZE`
[INFO] [stdout]  --> src/volume.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::constants::FIRST_INDIRECTION_SIZE;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BLOCKS`, `READ_STEP`
[INFO] [stdout]  --> src/volume.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::constants::{BLOCKS, READ_STEP};
[INFO] [stdout]   |                        ^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]  --> src/volume.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::serde::{Deserialize, Serialize};
[INFO] [stdout]   |                    ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::uuid::Uuid`
[INFO] [stdout]  --> src/volume.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::uuid::Uuid;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]   --> src/volume.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::Rng;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SerializeSeq`, `Serializer`
[INFO] [stdout]   --> src/volume.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | use serde::ser::{SerializeSeq, Serializer};
[INFO] [stdout]    |                  ^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/volume.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]   --> src/volume.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::io::Read;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/volume.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/volume_manager.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[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:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 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:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         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:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |         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: `missing_chunks`
[INFO] [stdout]    --> src/redundant_file.rs:165:17
[INFO] [stdout]     |
[INFO] [stdout] 165 |             let missing_chunks = missing / FIRST_INDIRECTION_SIZE;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_missing_chunks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chunks`
[INFO] [stdout]   --> src/volume.rs:85:20
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let (file, chunks, blocks) = RedundantFile::destruct(file, reader).unwrap();
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_chunks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blocks`
[INFO] [stdout]   --> src/volume.rs:85:28
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let (file, chunks, blocks) = RedundantFile::destruct(file, reader).unwrap();
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_blocks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/volume.rs:132:13
[INFO] [stdout]     |
[INFO] [stdout] 132 |         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:139:34
[INFO] [stdout]     |
[INFO] [stdout] 139 |     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:144:25
[INFO] [stdout]     |
[INFO] [stdout] 144 |     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:149:25
[INFO] [stdout]     |
[INFO] [stdout] 149 |     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: `i`
[INFO] [stdout]   --> src/volume_manager.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let i = 0;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/volume_manager.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let i = 0;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/volume_manager.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |             let size: u64 = u64::from_le_bytes(buf);
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/volume_manager.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |             let size: u128 = u128::from_le_bytes(buf);
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/volume_manager.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let buf = Vec::<u8>::new();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rf`
[INFO] [stdout]    --> src/volume_manager.rs:192:43
[INFO] [stdout]     |
[INFO] [stdout] 192 |     pub fn save_file(&mut self, pos: u64, rf: Box<RedundantFile>) -> Result<(),VolumeError> {
[INFO] [stdout]     |                                           ^^ help: if this is intentional, prefix it with an underscore: `_rf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/block.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         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: field is never read: `block_file`
[INFO] [stdout]   --> src/volume.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     block_file: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `path`
[INFO] [stdout]  --> src/volume_manager.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     path: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/block.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         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:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         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:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |         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/redundant_file.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |         file.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/redundant_file.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 Chunk::rebuild(*c, 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/redundant_file.rs:121:21
[INFO] [stdout]     |
[INFO] [stdout] 121 |                     Chunk::rebuild(*c, 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/volume.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         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:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 |         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: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/volume_manager.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         file.write(&bytes_representation[..]);
[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_manager.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         file.write(&bytes_representation[..]);
[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_manager.rs:194:9
[INFO] [stdout]     |
[INFO] [stdout] 194 |         self.file.as_mut().unwrap().seek(SeekFrom::Start(pos));
[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: 56 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `oggetto::volume_manager::FileVolumeManager`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use oggetto::volume_manager::FileVolumeManager;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[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 import: `oggetto::volume_manager::FileVolumeManager`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use oggetto::volume_manager::FileVolumeManager;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/chunk.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 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:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         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:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |         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: `missing_chunks`
[INFO] [stdout]    --> src/redundant_file.rs:165:17
[INFO] [stdout]     |
[INFO] [stdout] 165 |             let missing_chunks = missing / FIRST_INDIRECTION_SIZE;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_missing_chunks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chunks`
[INFO] [stdout]   --> src/volume.rs:85:20
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let (file, chunks, blocks) = RedundantFile::destruct(file, reader).unwrap();
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_chunks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blocks`
[INFO] [stdout]   --> src/volume.rs:85:28
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let (file, chunks, blocks) = RedundantFile::destruct(file, reader).unwrap();
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_blocks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/volume.rs:132:13
[INFO] [stdout]     |
[INFO] [stdout] 132 |         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:139:34
[INFO] [stdout]     |
[INFO] [stdout] 139 |     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:144:25
[INFO] [stdout]     |
[INFO] [stdout] 144 |     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:149:25
[INFO] [stdout]     |
[INFO] [stdout] 149 |     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: `i`
[INFO] [stdout]   --> src/volume_manager.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let i = 0;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/volume_manager.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let i = 0;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/volume_manager.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |             let size: u64 = u64::from_le_bytes(buf);
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/volume_manager.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |             let size: u128 = u128::from_le_bytes(buf);
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/volume_manager.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let buf = Vec::<u8>::new();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rf`
[INFO] [stdout]    --> src/volume_manager.rs:192:43
[INFO] [stdout]     |
[INFO] [stdout] 192 |     pub fn save_file(&mut self, pos: u64, rf: Box<RedundantFile>) -> Result<(),VolumeError> {
[INFO] [stdout]     |                                           ^^ help: if this is intentional, prefix it with an underscore: `_rf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/main.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Some(input) => {}
[INFO] [stdout]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/main.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 39 |             Some(input) => {}
[INFO] [stdout]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/main.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut file = std::fs::File::open("tests/lenna.png").unwrap();
[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/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let id = volume.destruct_from_file("tests/lenna.png").unwrap();
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut file = std::fs::File::open("tests/lenna.png").unwrap();
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/block.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         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: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/main.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Some(input) => {}
[INFO] [stdout]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/main.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 39 |             Some(input) => {}
[INFO] [stdout]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/main.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut file = std::fs::File::open("tests/lenna.png").unwrap();
[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/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let id = volume.destruct_from_file("tests/lenna.png").unwrap();
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut file = std::fs::File::open("tests/lenna.png").unwrap();
[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: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `block_file`
[INFO] [stdout]   --> src/volume.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     block_file: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `path`
[INFO] [stdout]  --> src/volume_manager.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     path: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/block.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         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:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         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:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |         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/redundant_file.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |         file.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/redundant_file.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 Chunk::rebuild(*c, 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/redundant_file.rs:121:21
[INFO] [stdout]     |
[INFO] [stdout] 121 |                     Chunk::rebuild(*c, 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/volume.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         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:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 |         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: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/volume_manager.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         file.write(&bytes_representation[..]);
[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_manager.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         file.write(&bytes_representation[..]);
[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_manager.rs:194:9
[INFO] [stdout]     |
[INFO] [stdout] 194 |         self.file.as_mut().unwrap().seek(SeekFrom::Start(pos));
[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: 56 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.06s
[INFO] running `Command { std: "docker" "inspect" "68e5b7a5b9b18005fca92dc942d43f9930d3ed49f210b2a5ae5b9a0f879015d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68e5b7a5b9b18005fca92dc942d43f9930d3ed49f210b2a5ae5b9a0f879015d2", kill_on_drop: false }`
[INFO] [stdout] 68e5b7a5b9b18005fca92dc942d43f9930d3ed49f210b2a5ae5b9a0f879015d2