[INFO] fetching crate opendp-ffi 0.4.0...
[INFO] testing opendp-ffi-0.4.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate opendp-ffi 0.4.0 into /workspace/builds/worker-47/source
[INFO] validating manifest of crates.io crate opendp-ffi 0.4.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate opendp-ffi 0.4.0
[INFO] finished tweaking crates.io crate opendp-ffi 0.4.0
[INFO] tweaked toml for crates.io crate opendp-ffi 0.4.0 written to /workspace/builds/worker-47/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a88b4f88381994060ab0aa32d5277d93164189088cb1cba4c941143466009b0f
[INFO] running `Command { std: "docker" "start" "-a" "a88b4f88381994060ab0aa32d5277d93164189088cb1cba4c941143466009b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a88b4f88381994060ab0aa32d5277d93164189088cb1cba4c941143466009b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a88b4f88381994060ab0aa32d5277d93164189088cb1cba4c941143466009b0f", kill_on_drop: false }`
[INFO] [stdout] a88b4f88381994060ab0aa32d5277d93164189088cb1cba4c941143466009b0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c69d20aa73051aea0544929c3b56fc259376d978846e3955c70a6aeaaf6ed3a1
[INFO] running `Command { std: "docker" "start" "-a" "c69d20aa73051aea0544929c3b56fc259376d978846e3955c70a6aeaaf6ed3a1", kill_on_drop: false }`
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] [stderr] Compiling libm v0.2.2
[INFO] [stderr] Compiling libc v0.2.123
[INFO] [stderr] Compiling syn v1.0.91
[INFO] [stderr] Compiling getrandom v0.1.16
[INFO] [stderr] Compiling ppv-lite86 v0.2.16
[INFO] [stderr] Compiling gmp-mpfr-sys v1.4.8
[INFO] [stderr] Compiling serde_json v1.0.79
[INFO] [stderr] Compiling az v1.2.0
[INFO] [stderr] Compiling rawpointer v0.2.1
[INFO] [stderr] Compiling rug v1.15.0
[INFO] [stderr] Compiling gimli v0.26.1
[INFO] [stderr] Compiling openssl v0.10.38
[INFO] [stderr] Compiling adler v1.0.2
[INFO] [stderr] Compiling rustc-demangle v0.1.21
[INFO] [stderr] Compiling ieee754 v0.2.6
[INFO] [stderr] Compiling num-traits v0.2.14
[INFO] [stderr] Compiling num-integer v0.1.44
[INFO] [stderr] Compiling num-complex v0.2.4
[INFO] [stderr] Compiling num-bigint v0.3.3
[INFO] [stderr] Compiling num-rational v0.2.4
[INFO] [stderr] Compiling indexmap v1.8.1
[INFO] [stderr] Compiling num-rational v0.3.2
[INFO] [stderr] Compiling num-iter v0.1.42
[INFO] [stderr] Compiling miniz_oxide v0.4.4
[INFO] [stderr] Compiling openssl-src v111.18.0+1.1.1n
[INFO] [stderr] Compiling backtrace v0.3.64
[INFO] [stderr] Compiling object v0.27.1
[INFO] [stderr] Compiling matrixmultiply v0.2.4
[INFO] [stderr] Compiling openssl-sys v0.9.72
[INFO] [stderr] Compiling rand_core v0.5.1
[INFO] [stderr] Compiling rand_chacha v0.2.2
[INFO] [stderr] Compiling rand v0.7.3
[INFO] [stderr] Compiling addr2line v0.17.0
[INFO] [stderr] Compiling approx v0.3.2
[INFO] [stderr] Compiling num-complex v0.3.1
[INFO] [stderr] Compiling alga v0.9.3
[INFO] [stderr] Compiling rand_distr v0.2.2
[INFO] [stderr] Compiling nalgebra v0.19.0
[INFO] [stderr] Compiling serde_derive v1.0.136
[INFO] [stderr] Compiling thiserror-impl v1.0.30
[INFO] [stderr] Compiling num v0.3.1
[INFO] [stderr] Compiling thiserror v1.0.30
[INFO] [stderr] Compiling serde v1.0.136
[INFO] [stderr] Compiling opendp-ffi v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] Compiling statrs v0.13.0
[INFO] [stderr] Compiling opendp v0.4.0
[INFO] [stdout] warning: function is never used: `to_option_str`
[INFO] [stdout] --> src/util.rs:320:8
[INFO] [stdout] |
[INFO] [stdout] 320 | pub fn to_option_str<'a>(p: *const c_char) -> Fallible