[INFO] fetching crate range-encoding 0.2.1...
[INFO] testing range-encoding-0.2.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate range-encoding 0.2.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate range-encoding 0.2.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84375f06f8a219e7eb85925ea1e40248e8327109dd27bdc3341db431fa487a6f
[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" "84375f06f8a219e7eb85925ea1e40248e8327109dd27bdc3341db431fa487a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84375f06f8a219e7eb85925ea1e40248e8327109dd27bdc3341db431fa487a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84375f06f8a219e7eb85925ea1e40248e8327109dd27bdc3341db431fa487a6f", kill_on_drop: false }`
[INFO] [stdout] 84375f06f8a219e7eb85925ea1e40248e8327109dd27bdc3341db431fa487a6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3533098add5c1e44ff26fca9ba2b20f67853cc41e420dfca604b4b273114a374
[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" "3533098add5c1e44ff26fca9ba2b20f67853cc41e420dfca604b4b273114a374", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[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 1.42s
[INFO] running `Command { std: "docker" "inspect" "3533098add5c1e44ff26fca9ba2b20f67853cc41e420dfca604b4b273114a374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3533098add5c1e44ff26fca9ba2b20f67853cc41e420dfca604b4b273114a374", kill_on_drop: false }`
[INFO] [stdout] 3533098add5c1e44ff26fca9ba2b20f67853cc41e420dfca604b4b273114a374
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67d1c031082961c9d5c57b099bd52d08cc3067622c348c40d3dc167aef935d76
[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" "67d1c031082961c9d5c57b099bd52d08cc3067622c348c40d3dc167aef935d76", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[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 humantime v1.3.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[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 12.34s
[INFO] running `Command { std: "docker" "inspect" "67d1c031082961c9d5c57b099bd52d08cc3067622c348c40d3dc167aef935d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67d1c031082961c9d5c57b099bd52d08cc3067622c348c40d3dc167aef935d76", kill_on_drop: false }`
[INFO] [stdout] 67d1c031082961c9d5c57b099bd52d08cc3067622c348c40d3dc167aef935d76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b63372fb3d381bef5f746349b69cefe2650f52d5a0bd3898fdc08906b4abaa8f
[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" "b63372fb3d381bef5f746349b69cefe2650f52d5a0bd3898fdc08906b4abaa8f", 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: `range-encoding` (lib) generated 6 warnings
[INFO] [stderr] warning: `range-encoding` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/range_encoding-f7d227a1e07869f1)
[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] [stderr]      Running tests/simple.rs (/opt/rustwide/target/debug/deps/simple-61b1edc856d32177)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test widths ... ok
[INFO] [stderr]    Doc-tests range-encoding
[INFO] [stdout] test probabilities_roundtrip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "b63372fb3d381bef5f746349b69cefe2650f52d5a0bd3898fdc08906b4abaa8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b63372fb3d381bef5f746349b69cefe2650f52d5a0bd3898fdc08906b4abaa8f", kill_on_drop: false }`
[INFO] [stdout] b63372fb3d381bef5f746349b69cefe2650f52d5a0bd3898fdc08906b4abaa8f