[INFO] cloning repository https://github.com/Hmiya6/rust-backup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hmiya6/rust-backup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHmiya6%2Frust-backup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHmiya6%2Frust-backup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 383fc8a331c577e2043963a4179758724be6d0e1
[INFO] checking Hmiya6/rust-backup against master#1e225413a21fa69570bd3fefea9eb05e33f8b917 for pr-107421
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHmiya6%2Frust-backup" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hmiya6/rust-backup on toolchain 1e225413a21fa69570bd3fefea9eb05e33f8b917
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1e225413a21fa69570bd3fefea9eb05e33f8b917" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Hmiya6/rust-backup
[INFO] finished tweaking git repo https://github.com/Hmiya6/rust-backup
[INFO] tweaked toml for git repo https://github.com/Hmiya6/rust-backup written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Hmiya6/rust-backup 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" "+1e225413a21fa69570bd3fefea9eb05e33f8b917" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zip v0.5.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+1e225413a21fa69570bd3fefea9eb05e33f8b917" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffb76364708ca7ad32abee23a323e467f9f77bb5521441694b31abb3fbfd6ff8
[INFO] running `Command { std: "docker" "start" "-a" "ffb76364708ca7ad32abee23a323e467f9f77bb5521441694b31abb3fbfd6ff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffb76364708ca7ad32abee23a323e467f9f77bb5521441694b31abb3fbfd6ff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffb76364708ca7ad32abee23a323e467f9f77bb5521441694b31abb3fbfd6ff8", kill_on_drop: false }`
[INFO] [stdout] ffb76364708ca7ad32abee23a323e467f9f77bb5521441694b31abb3fbfd6ff8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+1e225413a21fa69570bd3fefea9eb05e33f8b917" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb63a8ba5f7db175979a26471c09535b813739e3212b4eba4ab2a8e11b56fa69
[INFO] running `Command { std: "docker" "start" "-a" "eb63a8ba5f7db175979a26471c09535b813739e3212b4eba4ab2a8e11b56fa69", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling anyhow v1.0.39
[INFO] [stderr]    Compiling bzip2-sys v0.1.10+1.0.8
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking zip v0.5.11
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking rust-backup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `flag` is never read
[INFO] [stdout]   --> src/backup.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut flag = true;
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `flag` is never read
[INFO] [stdout]   --> src/backup.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut flag = true;
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/app.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct App {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 9  |     // interface: DebugInterface,
[INFO] [stdout] 10 |     config: Config,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file_name` is never read
[INFO] [stdout]   --> src/config.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Config {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     file_name: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/app.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct App {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 9  |     // interface: DebugInterface,
[INFO] [stdout] 10 |     config: Config,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.71s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eb63a8ba5f7db175979a26471c09535b813739e3212b4eba4ab2a8e11b56fa69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb63a8ba5f7db175979a26471c09535b813739e3212b4eba4ab2a8e11b56fa69", kill_on_drop: false }`
[INFO] [stdout] eb63a8ba5f7db175979a26471c09535b813739e3212b4eba4ab2a8e11b56fa69