[INFO] cloning repository https://github.com/lolzballs/stunnel [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lolzballs/stunnel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolzballs%2Fstunnel", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolzballs%2Fstunnel'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 02d0a84642563a224cd1c0de53e6d7c84d7ca96a [INFO] testing lolzballs/stunnel against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolzballs%2Fstunnel" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lolzballs/stunnel on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lolzballs/stunnel [INFO] finished tweaking git repo https://github.com/lolzballs/stunnel [INFO] tweaked toml for git repo https://github.com/lolzballs/stunnel written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/lolzballs/stunnel already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] 7d25d400ec00a084502a0c6e884af5ded2a9972db777eb98958d781cc3b1ba25 [INFO] running `Command { std: "docker" "start" "-a" "7d25d400ec00a084502a0c6e884af5ded2a9972db777eb98958d781cc3b1ba25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7d25d400ec00a084502a0c6e884af5ded2a9972db777eb98958d781cc3b1ba25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d25d400ec00a084502a0c6e884af5ded2a9972db777eb98958d781cc3b1ba25", kill_on_drop: false }` [INFO] [stdout] 7d25d400ec00a084502a0c6e884af5ded2a9972db777eb98958d781cc3b1ba25 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d9c20dacd75af01f58faa11fea857ca078fb7cf23c0378a82d79c59d212eb39f [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" "d9c20dacd75af01f58faa11fea857ca078fb7cf23c0378a82d79c59d212eb39f", kill_on_drop: false }` [INFO] [stderr] Compiling gcc v0.3.45 [INFO] [stderr] Compiling pkg-config v0.3.9 [INFO] [stderr] Compiling cfg-if v0.1.0 [INFO] [stderr] Compiling openssl v0.9.10 [INFO] [stderr] Compiling byteorder v1.0.0 [INFO] [stderr] Compiling backtrace v0.3.0 [INFO] [stderr] Compiling futures v0.1.13 [INFO] [stderr] Compiling foreign-types v0.2.0 [INFO] [stderr] Compiling bitflags v0.7.0 [INFO] [stderr] Compiling lazycell v0.4.0 [INFO] [stderr] Compiling lazy_static v0.2.6 [INFO] [stderr] Compiling rustc-demangle v0.1.4 [INFO] [stderr] Compiling serde v1.0.8 [INFO] [stderr] Compiling iovec v0.1.0 [INFO] [stderr] Compiling dbghelp-sys v0.2.0 [INFO] [stderr] Compiling syn v0.11.10 [INFO] [stderr] Compiling net2 v0.2.27 [INFO] [stderr] Compiling bytes v0.4.2 [INFO] [stderr] Compiling mio v0.6.6 [INFO] [stderr] Compiling openssl-sys v0.9.10 [INFO] [stderr] Compiling backtrace-sys v0.1.10 [INFO] [stderr] Compiling serde_derive_internals v0.15.1 [INFO] [stderr] Compiling tokio-io v0.1.1 [INFO] [stderr] Compiling tokio-core v0.1.6 [INFO] [stderr] Compiling serde_derive v1.0.8 [INFO] [stderr] Compiling native-tls v0.1.2 [INFO] [stderr] Compiling toml v0.4.1 [INFO] [stderr] Compiling tokio-tls v0.1.2 [INFO] [stderr] Compiling error-chain v0.10.0 [INFO] [stderr] Compiling stunnel v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/server.rs:160:30 [INFO] [stdout] | [INFO] [stdout] 160 | let done = match try!(stream.poll()) { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/server.rs:168:30 [INFO] [stdout] | [INFO] [stdout] 168 | let done = match try!(stream.poll()) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `native_tls::TlsConnector` [INFO] [stdout] --> src/tunnel.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use native_tls::TlsConnector; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/tunnel.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 88 | try!(self.0.shutdown(Shutdown::Write)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/errors.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | / error_chain!{ [INFO] [stdout] 4 | | foreign_links { [INFO] [stdout] 5 | | Io(::std::io::Error); [INFO] [stdout] 6 | | Toml(::toml::de::Error); [INFO] [stdout] 7 | | } [INFO] [stdout] 8 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/errors.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | / error_chain!{ [INFO] [stdout] 4 | | foreign_links { [INFO] [stdout] 5 | | Io(::std::io::Error); [INFO] [stdout] 6 | | Toml(::toml::de::Error); [INFO] [stdout] 7 | | } [INFO] [stdout] 8 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `done` [INFO] [stdout] --> src/server.rs:160:17 [INFO] [stdout] | [INFO] [stdout] 160 | let done = match try!(stream.poll()) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_done` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `done` [INFO] [stdout] --> src/server.rs:168:17 [INFO] [stdout] | [INFO] [stdout] 168 | let done = match try!(stream.poll()) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_done` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 49.97s [INFO] running `Command { std: "docker" "inspect" "d9c20dacd75af01f58faa11fea857ca078fb7cf23c0378a82d79c59d212eb39f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9c20dacd75af01f58faa11fea857ca078fb7cf23c0378a82d79c59d212eb39f", kill_on_drop: false }` [INFO] [stdout] d9c20dacd75af01f58faa11fea857ca078fb7cf23c0378a82d79c59d212eb39f [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6dcdf9d0a80b2a88ddd8776444961e311a54ae3df33764ac2d78a0274bb3ce76 [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" "6dcdf9d0a80b2a88ddd8776444961e311a54ae3df33764ac2d78a0274bb3ce76", kill_on_drop: false }` [INFO] [stderr] Compiling stunnel v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/server.rs:160:30 [INFO] [stdout] | [INFO] [stdout] 160 | let done = match try!(stream.poll()) { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/server.rs:168:30 [INFO] [stdout] | [INFO] [stdout] 168 | let done = match try!(stream.poll()) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `native_tls::TlsConnector` [INFO] [stdout] --> src/tunnel.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use native_tls::TlsConnector; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/tunnel.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 88 | try!(self.0.shutdown(Shutdown::Write)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/errors.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | / error_chain!{ [INFO] [stdout] 4 | | foreign_links { [INFO] [stdout] 5 | | Io(::std::io::Error); [INFO] [stdout] 6 | | Toml(::toml::de::Error); [INFO] [stdout] 7 | | } [INFO] [stdout] 8 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/errors.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | / error_chain!{ [INFO] [stdout] 4 | | foreign_links { [INFO] [stdout] 5 | | Io(::std::io::Error); [INFO] [stdout] 6 | | Toml(::toml::de::Error); [INFO] [stdout] 7 | | } [INFO] [stdout] 8 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `done` [INFO] [stdout] --> src/server.rs:160:17 [INFO] [stdout] | [INFO] [stdout] 160 | let done = match try!(stream.poll()) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_done` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `done` [INFO] [stdout] --> src/server.rs:168:17 [INFO] [stdout] | [INFO] [stdout] 168 | let done = match try!(stream.poll()) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_done` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.50s [INFO] running `Command { std: "docker" "inspect" "6dcdf9d0a80b2a88ddd8776444961e311a54ae3df33764ac2d78a0274bb3ce76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6dcdf9d0a80b2a88ddd8776444961e311a54ae3df33764ac2d78a0274bb3ce76", kill_on_drop: false }` [INFO] [stdout] 6dcdf9d0a80b2a88ddd8776444961e311a54ae3df33764ac2d78a0274bb3ce76 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 75588955678c48e5e648661c6a2644e671fc3ebb144f73f2f6c51ebcd66dce54 [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" "75588955678c48e5e648661c6a2644e671fc3ebb144f73f2f6c51ebcd66dce54", kill_on_drop: false }` [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/server.rs:160:30 [INFO] [stderr] | [INFO] [stderr] 160 | let done = match try!(stream.poll()) { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/server.rs:168:30 [INFO] [stderr] | [INFO] [stderr] 168 | let done = match try!(stream.poll()) { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `native_tls::TlsConnector` [INFO] [stderr] --> src/tunnel.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use native_tls::TlsConnector; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/tunnel.rs:88:9 [INFO] [stderr] | [INFO] [stderr] 88 | try!(self.0.shutdown(Shutdown::Write)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/errors.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | / error_chain!{ [INFO] [stderr] 4 | | foreign_links { [INFO] [stderr] 5 | | Io(::std::io::Error); [INFO] [stderr] 6 | | Toml(::toml::de::Error); [INFO] [stderr] 7 | | } [INFO] [stderr] 8 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/errors.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | / error_chain!{ [INFO] [stderr] 4 | | foreign_links { [INFO] [stderr] 5 | | Io(::std::io::Error); [INFO] [stderr] 6 | | Toml(::toml::de::Error); [INFO] [stderr] 7 | | } [INFO] [stderr] 8 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused variable: `done` [INFO] [stderr] --> src/server.rs:160:17 [INFO] [stderr] | [INFO] [stderr] 160 | let done = match try!(stream.poll()) { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_done` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `done` [INFO] [stderr] --> src/server.rs:168:17 [INFO] [stderr] | [INFO] [stderr] 168 | let done = match try!(stream.poll()) { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_done` [INFO] [stderr] [INFO] [stderr] warning: `stunnel` (bin "stunnel" test) generated 8 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/stunnel-1d8484784b812084) [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" "75588955678c48e5e648661c6a2644e671fc3ebb144f73f2f6c51ebcd66dce54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75588955678c48e5e648661c6a2644e671fc3ebb144f73f2f6c51ebcd66dce54", kill_on_drop: false }` [INFO] [stdout] 75588955678c48e5e648661c6a2644e671fc3ebb144f73f2f6c51ebcd66dce54