[INFO] fetching crate nydus-storage 0.6.4...
[INFO] checking nydus-storage-0.6.4 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate nydus-storage 0.6.4 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate nydus-storage 0.6.4 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nydus-storage 0.6.4
[INFO] finished tweaking crates.io crate nydus-storage 0.6.4
[INFO] tweaked toml for crates.io crate nydus-storage 0.6.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 205 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.22.0 (latest: v0.24.1)
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.1)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
[INFO] [stderr]       Adding core-foundation v0.9.4 (latest: v0.10.0)
[INFO] [stderr]       Adding foreign-types v0.3.2 (latest: v0.5.0)
[INFO] [stderr]       Adding foreign-types-shared v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding fuse-backend-rs v0.10.5 (latest: v0.12.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.1.0)
[INFO] [stderr]       Adding gimli v0.29.0 (latest: v0.31.0)
[INFO] [stderr]       Adding h2 v0.3.26 (latest: v0.4.6)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (latest: v0.4.0)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding http-body v0.4.6 (latest: v1.0.1)
[INFO] [stderr]       Adding hyper v0.14.30 (latest: v1.4.1)
[INFO] [stderr]       Adding hyper-tls v0.5.0 (latest: v0.6.0)
[INFO] [stderr]       Adding hyperlocal v0.8.0 (latest: v0.9.1)
[INFO] [stderr]       Adding idna v0.5.0 (latest: v1.0.2)
[INFO] [stderr]       Adding leaky-bucket v0.12.5 (latest: v1.1.2)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (latest: v0.6.5)
[INFO] [stderr]       Adding memoffset v0.6.5 (latest: v0.9.1)
[INFO] [stderr]       Adding miniz_oxide v0.7.4 (latest: v0.8.0)
[INFO] [stderr]       Adding mio v0.8.11 (latest: v1.0.2)
[INFO] [stderr]       Adding nix v0.24.3 (latest: v0.29.0)
[INFO] [stderr]       Adding reqwest v0.11.27 (latest: v0.12.7)
[INFO] [stderr]       Adding rustls-pemfile v1.0.4 (latest: v2.1.3)
[INFO] [stderr]       Adding sync_wrapper v0.1.2 (latest: v1.0.1)
[INFO] [stderr]       Adding system-configuration v0.5.1 (latest: v0.6.1)
[INFO] [stderr]       Adding system-configuration-sys v0.5.0 (latest: v0.6.0)
[INFO] [stderr]       Adding toml v0.5.11 (latest: v0.8.19)
[INFO] [stderr]       Adding vm-memory v0.10.0 (latest: v0.14.1)
[INFO] [stderr]       Adding vmm-sys-util v0.11.2 (latest: v0.12.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.59.0)
[INFO] [stderr]       Adding windows-sys v0.52.0 (latest: v0.59.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding winreg v0.50.0 (latest: v0.52.0)
[INFO] [stderr]       Adding zstd v0.11.2+zstd.1.5.2 (latest: v0.13.2)
[INFO] [stderr]       Adding zstd-safe v5.0.2+zstd.1.5.2 (latest: v7.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gpt v3.1.0
[INFO] [stderr]   Downloaded hyperlocal v0.8.0
[INFO] [stderr]   Downloaded nydus-api v0.3.1
[INFO] [stderr]   Downloaded leaky-bucket v0.12.5
[INFO] [stderr]   Downloaded nydus-utils v0.4.3
[INFO] [stderr]   Downloaded vmm-sys-util v0.11.2
[INFO] [stderr]   Downloaded vm-memory v0.10.0
[INFO] [stderr]   Downloaded fuse-backend-rs v0.10.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b965df8e1c335be79a20215c18988f860803d3fb8e2d1c1cd2cce8b2dd54e8f
[INFO] running `Command { std: "docker" "start" "-a" "4b965df8e1c335be79a20215c18988f860803d3fb8e2d1c1cd2cce8b2dd54e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b965df8e1c335be79a20215c18988f860803d3fb8e2d1c1cd2cce8b2dd54e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b965df8e1c335be79a20215c18988f860803d3fb8e2d1c1cd2cce8b2dd54e8f", kill_on_drop: false }`
[INFO] [stdout] 4b965df8e1c335be79a20215c18988f860803d3fb8e2d1c1cd2cce8b2dd54e8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64be4379ba9ca9591db5eea76084919d689c041b8fe9226fb709d32d349d9e8e
[INFO] running `Command { std: "docker" "start" "-a" "64be4379ba9ca9591db5eea76084919d689c041b8fe9226fb709d32d349d9e8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling rustix v0.38.35
[INFO] [stderr]    Compiling openssl v0.10.66
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling fuse-backend-rs v0.10.5
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking arrayref v0.3.8
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking constant_time_eq v0.3.1
[INFO] [stderr]     Checking vm-memory v0.10.0
[INFO] [stderr]     Checking filetime v0.2.25
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking vmm-sys-util v0.11.2
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling cc v1.1.15
[INFO] [stderr]    Compiling openssl-src v300.3.1+3.3.1
[INFO] [stderr]    Compiling cmake v0.1.51
[INFO] [stderr]     Checking xattr v1.3.1
[INFO] [stderr]     Checking tar v0.4.41
[INFO] [stderr]    Compiling zstd-sys v2.0.13+zstd.1.5.6
[INFO] [stderr]    Compiling openssl-sys v0.9.103
[INFO] [stderr]    Compiling lz4-sys v1.10.0
[INFO] [stderr]    Compiling blake3 v1.5.4
[INFO] [stderr]    Compiling libz-sys v1.1.20
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]     Checking caps v0.5.5
[INFO] [stderr]     Checking zstd v0.11.2+zstd.1.5.2
[INFO] [stderr]     Checking serde_json v1.0.127
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking lz4 v1.26.0
[INFO] [stderr]     Checking nydus-api v0.3.1
[INFO] [stderr]     Checking flate2 v1.0.33
[INFO] [stderr]     Checking nydus-utils v0.4.3
[INFO] [stderr]     Checking nydus-storage v0.6.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `MockBackend` is never constructed
[INFO] [stdout]   --> src/test.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub(crate) struct MockBackend {
[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 `dev` profile [unoptimized + debuginfo] target(s) in 2m 36s
[INFO] running `Command { std: "docker" "inspect" "64be4379ba9ca9591db5eea76084919d689c041b8fe9226fb709d32d349d9e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64be4379ba9ca9591db5eea76084919d689c041b8fe9226fb709d32d349d9e8e", kill_on_drop: false }`
[INFO] [stdout] 64be4379ba9ca9591db5eea76084919d689c041b8fe9226fb709d32d349d9e8e