[INFO] fetching crate libzetta 0.2.2...
[INFO] checking libzetta-0.2.2 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate libzetta 0.2.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate libzetta 0.2.2 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_builder v0.9.0
[INFO] [stderr]   Downloaded darling v0.10.2
[INFO] [stderr]   Downloaded ident_case v1.0.1
[INFO] [stderr]   Downloaded cavity v1.1.0
[INFO] [stderr]   Downloaded term v0.6.1
[INFO] [stderr]   Downloaded slog-scope v4.3.0
[INFO] [stderr]   Downloaded slog-stdlog v4.0.0
[INFO] [stderr]   Downloaded strsim v0.9.3
[INFO] [stderr]   Downloaded getset v0.1.1
[INFO] [stderr]   Downloaded slog-term v2.6.0
[INFO] [stderr]   Downloaded libnv v0.2.2
[INFO] [stderr]   Downloaded derive_builder_core v0.9.0
[INFO] [stderr]   Downloaded strum v0.18.0
[INFO] [stderr]   Downloaded zfs-core-sys v0.1.0
[INFO] [stderr]   Downloaded strum_macros v0.18.0
[INFO] [stderr]   Downloaded darling_core v0.10.2
[INFO] [stderr]   Downloaded slog v2.5.2
[INFO] [stderr]   Downloaded darling_macro v0.10.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "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] 1cd5b5ce1ae4b37a2e33f852477b456260596e515d1c97f33bb24908dcc06138
[INFO] running `Command { std: "docker" "start" "-a" "1cd5b5ce1ae4b37a2e33f852477b456260596e515d1c97f33bb24908dcc06138", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cd5b5ce1ae4b37a2e33f852477b456260596e515d1c97f33bb24908dcc06138", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cd5b5ce1ae4b37a2e33f852477b456260596e515d1c97f33bb24908dcc06138", kill_on_drop: false }`
[INFO] [stdout] 1cd5b5ce1ae4b37a2e33f852477b456260596e515d1c97f33bb24908dcc06138
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82f9154569883c5a58d61c7b8be5aca41644f75783d6f9d7e9cedd83b874c68b
[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" "82f9154569883c5a58d61c7b8be5aca41644f75783d6f9d7e9cedd83b874c68b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
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[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.1
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[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
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[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling nvpair-sys v0.1.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
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[INFO] [stderr]     Checking aho-corasick v0.7.13
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[INFO] [stderr]    Compiling zfs-core-sys v0.1.0
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[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking slog-term v2.6.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling strum_macros v0.18.0
[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]    Compiling derive_builder 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 1m 13s
[INFO] running `Command { std: "docker" "inspect" "82f9154569883c5a58d61c7b8be5aca41644f75783d6f9d7e9cedd83b874c68b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82f9154569883c5a58d61c7b8be5aca41644f75783d6f9d7e9cedd83b874c68b", kill_on_drop: false }`
[INFO] [stdout] 82f9154569883c5a58d61c7b8be5aca41644f75783d6f9d7e9cedd83b874c68b