[INFO] fetching crate libzetta 0.2.2...
[INFO] checking libzetta-0.2.2 against beta for pr-78714
[INFO] extracting crate libzetta 0.2.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libzetta 0.2.2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libzetta 0.2.2
[INFO] finished tweaking crates.io crate libzetta 0.2.2
[INFO] tweaked toml for crates.io crate libzetta 0.2.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] f8b784e007e288f656acac9120b7e6c1d42976e9de93f773811753cfe90ea90f
[INFO] running `Command { std: "docker" "start" "-a" "f8b784e007e288f656acac9120b7e6c1d42976e9de93f773811753cfe90ea90f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8b784e007e288f656acac9120b7e6c1d42976e9de93f773811753cfe90ea90f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8b784e007e288f656acac9120b7e6c1d42976e9de93f773811753cfe90ea90f", kill_on_drop: false }`
[INFO] [stdout] f8b784e007e288f656acac9120b7e6c1d42976e9de93f773811753cfe90ea90f
[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=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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ece64c758f8d91c026259fc00eb45d0eebadedc0fa9e164bd41337592d643f7
[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" "2ece64c758f8d91c026259fc00eb45d0eebadedc0fa9e164bd41337592d643f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking cavity v1.1.0
[INFO] [stderr]    Compiling zfs-core-sys v0.1.0
[INFO] [stderr]     Checking cstr-argument v0.1.1
[INFO] [stderr]     Checking libnv v0.2.2
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking slog-stdlog v4.1.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]     Checking slog-term v2.6.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking libzetta v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `properties::VolumeMode`
[INFO] [stdout]   --> tests/test_zfs.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 | use libzetta::{zfs::{properties::VolumeMode, DelegatingZfsEngine, DestroyTiming},
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.89s
[INFO] running `Command { std: "docker" "inspect" "2ece64c758f8d91c026259fc00eb45d0eebadedc0fa9e164bd41337592d643f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ece64c758f8d91c026259fc00eb45d0eebadedc0fa9e164bd41337592d643f7", kill_on_drop: false }`
[INFO] [stdout] 2ece64c758f8d91c026259fc00eb45d0eebadedc0fa9e164bd41337592d643f7