[INFO] cloning repository https://github.com/shimekukuri/backup_v0
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shimekukuri/backup_v0" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshimekukuri%2Fbackup_v0", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshimekukuri%2Fbackup_v0'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ddbb246bdae843961aa28ef6d27d4c99ef8f4589
[INFO] checking shimekukuri/backup_v0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshimekukuri%2Fbackup_v0" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shimekukuri/backup_v0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shimekukuri/backup_v0
[INFO] finished tweaking git repo https://github.com/shimekukuri/backup_v0
[INFO] tweaked toml for git repo https://github.com/shimekukuri/backup_v0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/shimekukuri/backup_v0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a879bd9fad833300d0bd6c7b37b427817a6f1f6e1ae99ff55ad6e157a5befcaf
[INFO] running `Command { std: "docker" "start" "-a" "a879bd9fad833300d0bd6c7b37b427817a6f1f6e1ae99ff55ad6e157a5befcaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a879bd9fad833300d0bd6c7b37b427817a6f1f6e1ae99ff55ad6e157a5befcaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a879bd9fad833300d0bd6c7b37b427817a6f1f6e1ae99ff55ad6e157a5befcaf", kill_on_drop: false }`
[INFO] [stdout] a879bd9fad833300d0bd6c7b37b427817a6f1f6e1ae99ff55ad6e157a5befcaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a444f8648cc29cb3b735dca39c04acf17d335ceac368c495375e9e70abef57f7
[INFO] running `Command { std: "docker" "start" "-a" "a444f8648cc29cb3b735dca39c04acf17d335ceac368c495375e9e70abef57f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking backup_v0 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]  --> src/modules/io/fs/mod.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     path::{Path, PathBuf},
[INFO] [stdout]   |            ^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `modules::hash`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use modules::hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]  --> src/modules/io/fs/mod.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     path::{Path, PathBuf},
[INFO] [stdout]   |            ^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::Scope`
[INFO] [stdout]    --> src/modules/io/fs/mod.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     use rayon::Scope;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `modules::hash`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use modules::hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/modules/io/fs/mod.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn scan_tree<F>(path: &std::path::Path, handle_file: F)
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/modules/io/fs/mod.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_file` is never used
[INFO] [stdout]  --> src/modules/hash/mod.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn hash_file() {}
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `scan_tree` is never used
[INFO] [stdout]   --> src/modules/io/fs/mod.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn scan_tree<F>(path: &std::path::Path, handle_file: F)
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_into_queue` is never used
[INFO] [stdout]   --> src/modules/io/fs/mod.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn read_into_queue(path: &std::path::Path, queue: &mut VecDeque<DirEntry>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_file_to_server` is never used
[INFO] [stdout]   --> src/modules/io/fs/mod.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn send_file_to_server(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parrallel_tcp` is never used
[INFO] [stdout]   --> src/modules/io/fs/mod.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn parrallel_tcp(file_paths: &Vec<DirEntry>) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: path statement with no effect
[INFO] [stdout]   --> src/main.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |             x;
[INFO] [stdout]    |             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(path_statements)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Logging` should have a snake case name
[INFO] [stdout]  --> src/modules/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod Logging;
[INFO] [stdout]   |         ^^^^^^^ help: convert the identifier to snake case: `logging`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/modules/io/fs/mod.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     &queue.push_back(x);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     let _ = &queue.push_back(x);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/modules/Logging/mod.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             ErrorLog => Ok(()),
[INFO] [stdout]    |             -------- matches any value
[INFO] [stdout] 55 |             _ => Err("MEEP"),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ErrorLog`
[INFO] [stdout]   --> src/modules/Logging/mod.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             ErrorLog => Ok(()),
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ErrorLog`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/modules/io/fs/mod.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn scan_tree<F>(path: &std::path::Path, handle_file: F)
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/modules/io/fs/mod.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/modules/io/fs/mod.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |             Err(e) => (),
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/modules/io/fs/mod.rs:159:17
[INFO] [stdout]     |
[INFO] [stdout] 159 |             for mut stream in listener.incoming() {
[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: function `hash_file` is never used
[INFO] [stdout]  --> src/modules/hash/mod.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn hash_file() {}
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: path statement with no effect
[INFO] [stdout]   --> src/main.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |             x;
[INFO] [stdout]    |             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(path_statements)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Logging` should have a snake case name
[INFO] [stdout]  --> src/modules/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod Logging;
[INFO] [stdout]   |         ^^^^^^^ help: convert the identifier to snake case: `logging`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ErrorLog` should have a snake case name
[INFO] [stdout]   --> src/modules/Logging/mod.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             ErrorLog => Ok(()),
[INFO] [stdout]    |             ^^^^^^^^ help: convert the identifier to snake case: `error_log`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/modules/io/fs/mod.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     &queue.push_back(x);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     let _ = &queue.push_back(x);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `Command { std: "docker" "inspect" "a444f8648cc29cb3b735dca39c04acf17d335ceac368c495375e9e70abef57f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a444f8648cc29cb3b735dca39c04acf17d335ceac368c495375e9e70abef57f7", kill_on_drop: false }`
[INFO] [stdout] a444f8648cc29cb3b735dca39c04acf17d335ceac368c495375e9e70abef57f7