[INFO] cloning repository https://github.com/DeltaManiac/deloop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DeltaManiac/deloop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeltaManiac%2Fdeloop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeltaManiac%2Fdeloop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb2d8894bd5f80b4632ca5fd40b0b2979518e0c6
[INFO] testing DeltaManiac/deloop against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeltaManiac%2Fdeloop" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DeltaManiac/deloop on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DeltaManiac/deloop
[INFO] finished tweaking git repo https://github.com/DeltaManiac/deloop
[INFO] tweaked toml for git repo https://github.com/DeltaManiac/deloop written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/DeltaManiac/deloop already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f36f430b7ea3cfa463d1474adf500e81eddc8fa2f7adec21c83a0e48333c2c1
[INFO] running `Command { std: "docker" "start" "-a" "7f36f430b7ea3cfa463d1474adf500e81eddc8fa2f7adec21c83a0e48333c2c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f36f430b7ea3cfa463d1474adf500e81eddc8fa2f7adec21c83a0e48333c2c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f36f430b7ea3cfa463d1474adf500e81eddc8fa2f7adec21c83a0e48333c2c1", kill_on_drop: false }`
[INFO] [stdout] 7f36f430b7ea3cfa463d1474adf500e81eddc8fa2f7adec21c83a0e48333c2c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a57472b44fa59398ca15307932f5a3fe30f2202b621e874fde7e7b549601ceb3
[INFO] running `Command { std: "docker" "start" "-a" "a57472b44fa59398ca15307932f5a3fe30f2202b621e874fde7e7b549601ceb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling ttf-parser v0.12.3
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling winit v0.25.0
[INFO] [stderr]    Compiling emath v0.13.0
[INFO] [stderr]    Compiling atomic_refcell v0.1.7
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling takeable-option v0.5.0
[INFO] [stderr]    Compiling predicates-core v1.0.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling configparser v2.1.0
[INFO] [stderr]    Compiling libloading v0.7.0
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[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling nom v6.2.1
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[INFO] [stderr]    Compiling walkdir v2.3.2
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[INFO] [stderr]    Compiling bstr v0.2.15
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling ordered-float v2.7.0
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling lock_api v0.4.4
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[INFO] [stderr]    Compiling andrew v0.3.1
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[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling memmap2 v0.2.3
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling xcursor v0.3.3
[INFO] [stderr]    Compiling globwalk v0.8.1
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling mio-misc v1.2.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling epaint v0.13.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling egui v0.13.1
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling spectral v0.6.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling assert_fs v1.0.3
[INFO] [stderr]    Compiling wayland-commons v0.28.6
[INFO] [stderr]    Compiling calloop v0.6.5
[INFO] [stderr]    Compiling epi v0.13.0
[INFO] [stderr]    Compiling wayland-cursor v0.28.6
[INFO] [stderr]    Compiling wayland-egl v0.28.6
[INFO] [stderr]    Compiling x11-clipboard v0.5.2
[INFO] [stderr]    Compiling smithay-client-toolkit v0.12.3
[INFO] [stderr]    Compiling smithay-client-toolkit v0.14.0
[INFO] [stderr]    Compiling smithay-clipboard v0.6.4
[INFO] [stderr]    Compiling copypasta v0.7.1
[INFO] [stderr]    Compiling glutin v0.27.0
[INFO] [stderr]    Compiling egui_glium v0.13.1
[INFO] [stderr]    Compiling eframe v0.13.1
[INFO] [stderr]    Compiling deloop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `init`
[INFO] [stdout]  --> src/deloop.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn init() -> Result<()> {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check`
[INFO] [stdout]   --> src/deloop.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn check(path: &str) -> Result<()> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `backup`
[INFO] [stdout]   --> src/deloop.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn backup(path: &str) -> Result<()> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "a57472b44fa59398ca15307932f5a3fe30f2202b621e874fde7e7b549601ceb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a57472b44fa59398ca15307932f5a3fe30f2202b621e874fde7e7b549601ceb3", kill_on_drop: false }`
[INFO] [stdout] a57472b44fa59398ca15307932f5a3fe30f2202b621e874fde7e7b549601ceb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c371bf276867838fdefb10699b64fbd8df413284575dba21e50de2762621b32
[INFO] running `Command { std: "docker" "start" "-a" "5c371bf276867838fdefb10699b64fbd8df413284575dba21e50de2762621b32", kill_on_drop: false }`
[INFO] [stderr]    Compiling deloop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `init`
[INFO] [stdout]  --> src/deloop.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn init() -> Result<()> {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.44s
[INFO] running `Command { std: "docker" "inspect" "5c371bf276867838fdefb10699b64fbd8df413284575dba21e50de2762621b32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c371bf276867838fdefb10699b64fbd8df413284575dba21e50de2762621b32", kill_on_drop: false }`
[INFO] [stdout] 5c371bf276867838fdefb10699b64fbd8df413284575dba21e50de2762621b32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d31957bfd629c4b94a73c29709b6bf4577f6eb2a6d1f3a8e2f257575b61f7222
[INFO] running `Command { std: "docker" "start" "-a" "d31957bfd629c4b94a73c29709b6bf4577f6eb2a6d1f3a8e2f257575b61f7222", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `init`
[INFO] [stderr]  --> src/deloop.rs:7:4
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn init() -> Result<()> {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `deloop` (bin "deloop" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/deloop-1c7e23ad09f15cac)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test deloop::tests::invalid_file_check ... ok
[INFO] [stdout] test deloop::tests::invalid_backup_create ... ok
[INFO] [stdout] test deloop::tests::valid_file_check ... ok
[INFO] [stdout] test deloop::tests::valid_backup_create ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d31957bfd629c4b94a73c29709b6bf4577f6eb2a6d1f3a8e2f257575b61f7222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d31957bfd629c4b94a73c29709b6bf4577f6eb2a6d1f3a8e2f257575b61f7222", kill_on_drop: false }`
[INFO] [stdout] d31957bfd629c4b94a73c29709b6bf4577f6eb2a6d1f3a8e2f257575b61f7222