[INFO] fetching crate opendp-ffi 0.4.0...
[INFO] testing opendp-ffi-0.4.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate opendp-ffi 0.4.0 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate opendp-ffi 0.4.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-25/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Downloading crates ...
[INFO] [stderr] Downloaded ieee754 v0.2.6
[INFO] [stderr] Downloaded opendp v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24df82dad173444760720194b0690e9f4df6ce7962a31e3e9f159df7ccbfc9a4
[INFO] running `Command { std: "docker" "start" "-a" "24df82dad173444760720194b0690e9f4df6ce7962a31e3e9f159df7ccbfc9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24df82dad173444760720194b0690e9f4df6ce7962a31e3e9f159df7ccbfc9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24df82dad173444760720194b0690e9f4df6ce7962a31e3e9f159df7ccbfc9a4", kill_on_drop: false }`
[INFO] [stdout] 24df82dad173444760720194b0690e9f4df6ce7962a31e3e9f159df7ccbfc9a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0917450ad16f63b6dd41524d6a7593d361032d5b1896cbb6a6c40c8bfe3ab0c0
[INFO] running `Command { std: "docker" "start" "-a" "0917450ad16f63b6dd41524d6a7593d361032d5b1896cbb6a6c40c8bfe3ab0c0", kill_on_drop: false }`
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] [stderr] Compiling libm v0.2.2
[INFO] [stderr] Compiling getrandom v0.1.16
[INFO] [stderr] Compiling memchr v2.4.1
[INFO] [stderr] Compiling gmp-mpfr-sys v1.4.7
[INFO] [stderr] Compiling az v1.2.0
[INFO] [stderr] Compiling serde_json v1.0.79
[INFO] [stderr] Compiling rug v1.15.0
[INFO] [stderr] Compiling openssl v0.10.38
[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 indexmap v1.8.0
[INFO] [stderr] Compiling num-rational v0.2.4
[INFO] [stderr] Compiling num-rational v0.3.2
[INFO] [stderr] Compiling num-iter v0.1.42
[INFO] [stderr] Compiling openssl-src v111.17.0+1.1.1m
[INFO] [stderr] Compiling matrixmultiply v0.2.4
[INFO] [stderr] Compiling generic-array v0.13.3
[INFO] [stderr] Compiling thiserror-impl v1.0.30
[INFO] [stderr] Compiling openssl-sys v0.9.72
[INFO] [stderr] Compiling rand_core v0.5.1
[INFO] [stderr] Compiling object v0.27.1
[INFO] [stderr] Compiling rand_chacha v0.2.2
[INFO] [stderr] Compiling rand v0.7.3
[INFO] [stderr] Compiling rand_distr v0.2.2
[INFO] [stderr] Compiling approx v0.3.2
[INFO] [stderr] Compiling num-complex v0.3.1
[INFO] [stderr] Compiling thiserror v1.0.30
[INFO] [stderr] Compiling alga v0.9.3
[INFO] [stderr] Compiling opendp-ffi v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] Compiling nalgebra v0.19.0
[INFO] [stderr] Compiling backtrace v0.3.64
[INFO] [stderr] Compiling num v0.3.1
[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