[INFO] fetching crate range-encoding 0.2.1...
[INFO] testing range-encoding-0.2.1 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate range-encoding 0.2.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate range-encoding 0.2.1 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate range-encoding 0.2.1
[INFO] finished tweaking crates.io crate range-encoding 0.2.1
[INFO] tweaked toml for crates.io crate range-encoding 0.2.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76927a7ea6adba9d0f1bfa0425c1007d02b12ffc5cf75b197a1c1dc37cf60d91
[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" "76927a7ea6adba9d0f1bfa0425c1007d02b12ffc5cf75b197a1c1dc37cf60d91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76927a7ea6adba9d0f1bfa0425c1007d02b12ffc5cf75b197a1c1dc37cf60d91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76927a7ea6adba9d0f1bfa0425c1007d02b12ffc5cf75b197a1c1dc37cf60d91", kill_on_drop: false }`
[INFO] [stdout] 76927a7ea6adba9d0f1bfa0425c1007d02b12ffc5cf75b197a1c1dc37cf60d91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab59a8d3dfa33d9fc4ad7daf1f40fb138a042811e59a06cb10249990a120c158
[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" "ab59a8d3dfa33d9fc4ad7daf1f40fb138a042811e59a06cb10249990a120c158", kill_on_drop: false }`
[INFO] [stderr]    Compiling range-encoding v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `Result<(), std::io::Error>`, which is not FFI-safe
[INFO] [stdout]   --> src/opus/imported_decode.rs:45:6
[INFO] [stdout]    |
[INFO] [stdout] 45 | ) -> Result<(), std::io::Error> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]    = note: enum has no representation hint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Result<(), std::io::Error>`, which is not FFI-safe
[INFO] [stdout]   --> src/opus/imported_decode.rs:62:6
[INFO] [stdout]    |
[INFO] [stdout] 62 | ) -> Result<(), std::io::Error> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]    = note: enum has no representation hint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Result<u8, std::io::Error>`, which is not FFI-safe
[INFO] [stdout]   --> src/opus/imported_decode.rs:78:6
[INFO] [stdout]    |
[INFO] [stdout] 78 | ) -> Result<u8, std::io::Error> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]    = note: enum has no representation hint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Result<(), std::io::Error>`, which is not FFI-safe
[INFO] [stdout]    --> src/opus/imported_decode.rs:123:6
[INFO] [stdout]     |
[INFO] [stdout] 123 | ) -> Result<(), std::io::Error> {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Result<i32, std::io::Error>`, which is not FFI-safe
[INFO] [stdout]    --> src/opus/imported_decode.rs:139:6
[INFO] [stdout]     |
[INFO] [stdout] 139 | ) -> Result<i32, std::io::Error> {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Result<i32, std::io::Error>`, which is not FFI-safe
[INFO] [stdout]    --> src/opus/imported_decode.rs:156:6
[INFO] [stdout]     |
[INFO] [stdout] 156 | ) -> Result<i32, std::io::Error> {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "ab59a8d3dfa33d9fc4ad7daf1f40fb138a042811e59a06cb10249990a120c158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab59a8d3dfa33d9fc4ad7daf1f40fb138a042811e59a06cb10249990a120c158", kill_on_drop: false }`
[INFO] [stdout] ab59a8d3dfa33d9fc4ad7daf1f40fb138a042811e59a06cb10249990a120c158
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4bfa62a8c728039068ecb05a4c972592c6192ce877175c166d3958d8c968cea
[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" "a4bfa62a8c728039068ecb05a4c972592c6192ce877175c166d3958d8c968cea", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stdout] warning: `extern` fn uses type `Result<(), std::io::Error>`, which is not FFI-safe
[INFO] [stdout]   --> src/opus/imported_decode.rs:45:6
[INFO] [stdout]    |
[INFO] [stdout] 45 | ) -> Result<(), std::io::Error> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]    = note: enum has no representation hint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Result<(), std::io::Error>`, which is not FFI-safe
[INFO] [stdout]   --> src/opus/imported_decode.rs:62:6
[INFO] [stdout]    |
[INFO] [stdout] 62 | ) -> Result<(), std::io::Error> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]    = note: enum has no representation hint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Result<u8, std::io::Error>`, which is not FFI-safe
[INFO] [stdout]   --> src/opus/imported_decode.rs:78:6
[INFO] [stdout]    |
[INFO] [stdout] 78 | ) -> Result<u8, std::io::Error> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]    = note: enum has no representation hint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Result<(), std::io::Error>`, which is not FFI-safe
[INFO] [stdout]    --> src/opus/imported_decode.rs:123:6
[INFO] [stdout]     |
[INFO] [stdout] 123 | ) -> Result<(), std::io::Error> {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Result<i32, std::io::Error>`, which is not FFI-safe
[INFO] [stdout]    --> src/opus/imported_decode.rs:139:6
[INFO] [stdout]     |
[INFO] [stdout] 139 | ) -> Result<i32, std::io::Error> {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Result<i32, std::io::Error>`, which is not FFI-safe
[INFO] [stdout]    --> src/opus/imported_decode.rs:156:6
[INFO] [stdout]     |
[INFO] [stdout] 156 | ) -> Result<i32, std::io::Error> {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling range-encoding v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `Result<(), std::io::Error>`, which is not FFI-safe
[INFO] [stdout]   --> src/opus/imported_decode.rs:45:6
[INFO] [stdout]    |
[INFO] [stdout] 45 | ) -> Result<(), std::io::Error> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]    = note: enum has no representation hint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Result<(), std::io::Error>`, which is not FFI-safe
[INFO] [stdout]   --> src/opus/imported_decode.rs:62:6
[INFO] [stdout]    |
[INFO] [stdout] 62 | ) -> Result<(), std::io::Error> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]    = note: enum has no representation hint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Result<u8, std::io::Error>`, which is not FFI-safe
[INFO] [stdout]   --> src/opus/imported_decode.rs:78:6
[INFO] [stdout]    |
[INFO] [stdout] 78 | ) -> Result<u8, std::io::Error> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]    = note: enum has no representation hint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Result<(), std::io::Error>`, which is not FFI-safe
[INFO] [stdout]    --> src/opus/imported_decode.rs:123:6
[INFO] [stdout]     |
[INFO] [stdout] 123 | ) -> Result<(), std::io::Error> {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Result<i32, std::io::Error>`, which is not FFI-safe
[INFO] [stdout]    --> src/opus/imported_decode.rs:139:6
[INFO] [stdout]     |
[INFO] [stdout] 139 | ) -> Result<i32, std::io::Error> {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Result<i32, std::io::Error>`, which is not FFI-safe
[INFO] [stdout]    --> src/opus/imported_decode.rs:156:6
[INFO] [stdout]     |
[INFO] [stdout] 156 | ) -> Result<i32, std::io::Error> {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.49s
[INFO] running `Command { std: "docker" "inspect" "a4bfa62a8c728039068ecb05a4c972592c6192ce877175c166d3958d8c968cea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4bfa62a8c728039068ecb05a4c972592c6192ce877175c166d3958d8c968cea", kill_on_drop: false }`
[INFO] [stdout] a4bfa62a8c728039068ecb05a4c972592c6192ce877175c166d3958d8c968cea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c12c7deaf1861517155b29074f530cdc8d10119bc059f221dd879b52b8a78187
[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" "c12c7deaf1861517155b29074f530cdc8d10119bc059f221dd879b52b8a78187", kill_on_drop: false }`
[INFO] [stderr] warning: `extern` fn uses type `Result<(), std::io::Error>`, which is not FFI-safe
[INFO] [stderr]   --> src/opus/imported_decode.rs:45:6
[INFO] [stderr]    |
[INFO] [stderr] 45 | ) -> Result<(), std::io::Error> {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stderr]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stderr]    = note: enum has no representation hint
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `Result<(), std::io::Error>`, which is not FFI-safe
[INFO] [stderr]   --> src/opus/imported_decode.rs:62:6
[INFO] [stderr]    |
[INFO] [stderr] 62 | ) -> Result<(), std::io::Error> {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stderr]    = note: enum has no representation hint
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `Result<u8, std::io::Error>`, which is not FFI-safe
[INFO] [stderr]   --> src/opus/imported_decode.rs:78:6
[INFO] [stderr]    |
[INFO] [stderr] 78 | ) -> Result<u8, std::io::Error> {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stderr]    = note: enum has no representation hint
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `Result<(), std::io::Error>`, which is not FFI-safe
[INFO] [stderr]    --> src/opus/imported_decode.rs:123:6
[INFO] [stderr]     |
[INFO] [stderr] 123 | ) -> Result<(), std::io::Error> {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stderr]     = note: enum has no representation hint
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `Result<i32, std::io::Error>`, which is not FFI-safe
[INFO] [stderr]    --> src/opus/imported_decode.rs:139:6
[INFO] [stderr]     |
[INFO] [stderr] 139 | ) -> Result<i32, std::io::Error> {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stderr]     = note: enum has no representation hint
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `Result<i32, std::io::Error>`, which is not FFI-safe
[INFO] [stderr]    --> src/opus/imported_decode.rs:156:6
[INFO] [stderr]     |
[INFO] [stderr] 156 | ) -> Result<i32, std::io::Error> {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stderr]     = note: enum has no representation hint
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `Result<(), std::io::Error>`, which is not FFI-safe
[INFO] [stderr]   --> src/opus/imported_decode.rs:45:6
[INFO] [stderr]    |
[INFO] [stderr] 45 | ) -> Result<(), std::io::Error> {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stderr]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stderr]    = note: enum has no representation hint
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `Result<(), std::io::Error>`, which is not FFI-safe
[INFO] [stderr]   --> src/opus/imported_decode.rs:62:6
[INFO] [stderr]    |
[INFO] [stderr] 62 | ) -> Result<(), std::io::Error> {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stderr]    = note: enum has no representation hint
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `Result<u8, std::io::Error>`, which is not FFI-safe
[INFO] [stderr]   --> src/opus/imported_decode.rs:78:6
[INFO] [stderr]    |
[INFO] [stderr] 78 | ) -> Result<u8, std::io::Error> {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stderr]    = note: enum has no representation hint
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `Result<(), std::io::Error>`, which is not FFI-safe
[INFO] [stderr]    --> src/opus/imported_decode.rs:123:6
[INFO] [stderr]     |
[INFO] [stderr] 123 | ) -> Result<(), std::io::Error> {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stderr]     = note: enum has no representation hint
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `Result<i32, std::io::Error>`, which is not FFI-safe
[INFO] [stderr]    --> src/opus/imported_decode.rs:139:6
[INFO] [stderr]     |
[INFO] [stderr] 139 | ) -> Result<i32, std::io::Error> {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stderr]     = note: enum has no representation hint
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `Result<i32, std::io::Error>`, which is not FFI-safe
[INFO] [stderr]    --> src/opus/imported_decode.rs:156:6
[INFO] [stderr]     |
[INFO] [stderr] 156 | ) -> Result<i32, std::io::Error> {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stderr]     = note: enum has no representation hint
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/range_encoding-0dba72865cefb5a2)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/simple.rs (/opt/rustwide/target/debug/deps/simple-e360725546dedc66)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests range-encoding
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test probabilities_roundtrip ... ok
[INFO] [stdout] test widths ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c12c7deaf1861517155b29074f530cdc8d10119bc059f221dd879b52b8a78187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c12c7deaf1861517155b29074f530cdc8d10119bc059f221dd879b52b8a78187", kill_on_drop: false }`
[INFO] [stdout] c12c7deaf1861517155b29074f530cdc8d10119bc059f221dd879b52b8a78187