[INFO] fetching crate libzerostash 0.1.0...
[INFO] checking libzerostash-0.1.0 against beta for pr-78714
[INFO] extracting crate libzerostash 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate libzerostash 0.1.0 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 libzerostash 0.1.0
[INFO] finished tweaking crates.io crate libzerostash 0.1.0
[INFO] tweaked toml for crates.io crate libzerostash 0.1.0 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 5ef065209c386ef9d850524ae632b6f8548ba0287fff59e4e55dbab6bc633ba3
[INFO] running `Command { std: "docker" "start" "-a" "5ef065209c386ef9d850524ae632b6f8548ba0287fff59e4e55dbab6bc633ba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ef065209c386ef9d850524ae632b6f8548ba0287fff59e4e55dbab6bc633ba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ef065209c386ef9d850524ae632b6f8548ba0287fff59e4e55dbab6bc633ba3", kill_on_drop: false }`
[INFO] [stdout] 5ef065209c386ef9d850524ae632b6f8548ba0287fff59e4e55dbab6bc633ba3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] ca5e0b61c927de9479909838d32c40615ab56750caa4013fa458759e4d0c46c7
[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" "ca5e0b61c927de9479909838d32c40615ab56750caa4013fa458759e4d0c46c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libzerostash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking seahash v4.0.1
[INFO] [stderr]    Compiling lz4-sys v1.9.2
[INFO] [stderr]     Checking secrecy v0.7.0
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]     Checking ring v0.16.15
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling const-random-macro v0.1.11
[INFO] [stderr]     Checking rust-argon2 v0.8.2
[INFO] [stderr]     Checking csv v1.1.4
[INFO] [stderr]     Checking const-random v0.1.11
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking ahash v0.2.19
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking hashbrown v0.6.3
[INFO] [stderr]     Checking dashmap v3.11.10
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Checking lru v0.5.3
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking lz4 v1.23.2
[INFO] [stdout] warning: field is never read: `objects`
[INFO] [stdout]   --> src/meta/reader.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     objects: ObjectIndex,
[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] [stdout] warning: field is never read: `objects`
[INFO] [stdout]   --> src/meta/reader.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     objects: ObjectIndex,
[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 [unoptimized + debuginfo] target(s) in 26.05s
[INFO] running `Command { std: "docker" "inspect" "ca5e0b61c927de9479909838d32c40615ab56750caa4013fa458759e4d0c46c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca5e0b61c927de9479909838d32c40615ab56750caa4013fa458759e4d0c46c7", kill_on_drop: false }`
[INFO] [stdout] ca5e0b61c927de9479909838d32c40615ab56750caa4013fa458759e4d0c46c7