[INFO] fetching crate websession 0.12.1... [INFO] testing websession-0.12.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8 [INFO] extracting crate websession 0.12.1 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate websession 0.12.1 [INFO] finished tweaking crates.io crate websession 0.12.1 [INFO] tweaked toml for crates.io crate websession 0.12.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate websession 0.12.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate websession 0.12.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded redox_syscall v0.2.5 [INFO] [stderr] Downloaded pwhash v1.0.0 [INFO] [stderr] Downloaded blowfish v0.7.0 [INFO] [stderr] Downloaded rpassword v5.0.1 [INFO] [stderr] Downloaded sha-1 v0.9.3 [INFO] [stderr] Downloaded subtle v2.4.0 [INFO] [stderr] Downloaded libc v0.2.86 [INFO] [stderr] Downloaded sha2 v0.9.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4ee58eb7e5b86cefdfbb83ddc065b19ed0c4370a3ceb482dfb540497af932db0 [INFO] running `Command { std: "docker" "start" "-a" "4ee58eb7e5b86cefdfbb83ddc065b19ed0c4370a3ceb482dfb540497af932db0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4ee58eb7e5b86cefdfbb83ddc065b19ed0c4370a3ceb482dfb540497af932db0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ee58eb7e5b86cefdfbb83ddc065b19ed0c4370a3ceb482dfb540497af932db0", kill_on_drop: false }` [INFO] [stdout] 4ee58eb7e5b86cefdfbb83ddc065b19ed0c4370a3ceb482dfb540497af932db0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 59fb7b7deefd2d6626851dacd773133d81c27039c37ed9cac0cc8b95be1a3246 [INFO] running `Command { std: "docker" "start" "-a" "59fb7b7deefd2d6626851dacd773133d81c27039c37ed9cac0cc8b95be1a3246", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling subtle v2.4.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling cpuid-bool v0.1.2 [INFO] [stderr] Compiling byteorder v1.4.2 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling fs2 v0.4.3 [INFO] [stderr] Compiling rpassword v5.0.1 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling uuid v0.8.2 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling digest v0.9.0 [INFO] [stderr] Compiling block-buffer v0.9.0 [INFO] [stderr] Compiling crypto-mac v0.10.0 [INFO] [stderr] Compiling cipher v0.2.5 [INFO] [stderr] Compiling hmac v0.10.1 [INFO] [stderr] Compiling md-5 v0.9.1 [INFO] [stderr] Compiling sha2 v0.9.3 [INFO] [stderr] Compiling sha-1 v0.9.3 [INFO] [stderr] Compiling blowfish v0.7.0 [INFO] [stderr] Compiling pwhash v1.0.0 [INFO] [stderr] Compiling websession v0.12.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:73:36 [INFO] [stdout] | [INFO] [stdout] 73 | fn cause(&self) -> Option<&dyn (Error)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 73 - fn cause(&self) -> Option<&dyn (Error)> { [INFO] [stdout] 73 + fn cause(&self) -> Option<&dyn Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/bin/simple.rs:24:26 [INFO] [stdout] | [INFO] [stdout] 24 | Err(e) => panic!(format!("{:?}", e)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 24 - Err(e) => panic!(format!("{:?}", e)), [INFO] [stdout] 24 + Err(e) => panic!("{:?}", e), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/bin/simple.rs:27:32 [INFO] [stdout] | [INFO] [stdout] 27 | Err(err) => panic!(format!("{:?}", err)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 27 - Err(err) => panic!(format!("{:?}", err)), [INFO] [stdout] 27 + Err(err) => panic!("{:?}", err), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.33s [INFO] running `Command { std: "docker" "inspect" "59fb7b7deefd2d6626851dacd773133d81c27039c37ed9cac0cc8b95be1a3246", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59fb7b7deefd2d6626851dacd773133d81c27039c37ed9cac0cc8b95be1a3246", kill_on_drop: false }` [INFO] [stdout] 59fb7b7deefd2d6626851dacd773133d81c27039c37ed9cac0cc8b95be1a3246 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 072f0de5f3a334de04cabb0f347508726da43bdcb79150f772a08d75f173d9de [INFO] running `Command { std: "docker" "start" "-a" "072f0de5f3a334de04cabb0f347508726da43bdcb79150f772a08d75f173d9de", kill_on_drop: false }` [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling bencher v0.1.5 [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:73:36 [INFO] [stdout] | [INFO] [stdout] 73 | fn cause(&self) -> Option<&dyn (Error)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 73 - fn cause(&self) -> Option<&dyn (Error)> { [INFO] [stdout] 73 + fn cause(&self) -> Option<&dyn Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tempfile v3.2.0 [INFO] [stderr] Compiling websession v0.12.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/bin/simple.rs:24:26 [INFO] [stdout] | [INFO] [stdout] 24 | Err(e) => panic!(format!("{:?}", e)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 24 - Err(e) => panic!(format!("{:?}", e)), [INFO] [stdout] 24 + Err(e) => panic!("{:?}", e), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/bin/simple.rs:27:32 [INFO] [stdout] | [INFO] [stdout] 27 | Err(err) => panic!(format!("{:?}", err)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 27 - Err(err) => panic!(format!("{:?}", err)), [INFO] [stdout] 27 + Err(err) => panic!("{:?}", err), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:73:36 [INFO] [stdout] | [INFO] [stdout] 73 | fn cause(&self) -> Option<&dyn (Error)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 73 - fn cause(&self) -> Option<&dyn (Error)> { [INFO] [stdout] 73 + fn cause(&self) -> Option<&dyn Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.01s [INFO] running `Command { std: "docker" "inspect" "072f0de5f3a334de04cabb0f347508726da43bdcb79150f772a08d75f173d9de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "072f0de5f3a334de04cabb0f347508726da43bdcb79150f772a08d75f173d9de", kill_on_drop: false }` [INFO] [stdout] 072f0de5f3a334de04cabb0f347508726da43bdcb79150f772a08d75f173d9de [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 52efcd2cb436647c7de971926b662e90ad6570034af2ab707710812f3ae17146 [INFO] running `Command { std: "docker" "start" "-a" "52efcd2cb436647c7de971926b662e90ad6570034af2ab707710812f3ae17146", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/lib.rs:73:36 [INFO] [stderr] | [INFO] [stderr] 73 | fn cause(&self) -> Option<&dyn (Error)> { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 73 - fn cause(&self) -> Option<&dyn (Error)> { [INFO] [stderr] 73 + fn cause(&self) -> Option<&dyn Error> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `websession` (lib) generated 1 warning (run `cargo fix --lib -p websession` to apply 1 suggestion) [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/bin/simple.rs:24:26 [INFO] [stderr] | [INFO] [stderr] 24 | Err(e) => panic!(format!("{:?}", e)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stderr] help: remove the `format!(..)` macro call [INFO] [stderr] | [INFO] [stderr] 24 - Err(e) => panic!(format!("{:?}", e)), [INFO] [stderr] 24 + Err(e) => panic!("{:?}", e), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/bin/simple.rs:27:32 [INFO] [stderr] | [INFO] [stderr] 27 | Err(err) => panic!(format!("{:?}", err)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stderr] help: remove the `format!(..)` macro call [INFO] [stderr] | [INFO] [stderr] 27 - Err(err) => panic!(format!("{:?}", err)), [INFO] [stderr] 27 + Err(err) => panic!("{:?}", err), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `websession` (bin "ws_simple" test) generated 2 warnings (run `cargo fix --bin "ws_simple" -p websession --tests` to apply 2 suggestions) [INFO] [stderr] warning: `websession` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/websession-ae5f4b910d67b1c1) [INFO] [stdout] [INFO] [stdout] running 15 tests [INFO] [stdout] test backingstore::test::check_ciphertext ... ok [INFO] [stdout] test backingstore::test::mbs_check_user ... ok [INFO] [stdout] test backingstore::test::mbs_check_newline1 ... ok [INFO] [stdout] test backingstore::test::fbs_colons_in_usernames ... ok [INFO] [stdout] test backingstore::test::fbs_check_newline ... ok [INFO] [stdout] test backingstore::test::fbs_can_locked_login ... ok [INFO] [stdout] test backingstore::test::mbs_create_user_plain ... ok [INFO] [stdout] test backingstore::test::fbs_create_user_plain ... ok [INFO] [stdout] test backingstore::test::mbs_colons_in_usernames ... ok [INFO] [stdout] test backingstore::test::fbs_unicrud ... ok [INFO] [stdout] test backingstore::test::fbs_check_user ... ok [INFO] [stdout] test backingstore::test::mbs_check_newline3 ... ok [INFO] [stdout] test backingstore::test::mbs_check_newline2 ... ok [INFO] [stdout] test backingstore::test::mbs_can_locked_login ... ok [INFO] [stderr] Running unittests src/ws_mgr.rs (/opt/rustwide/target/debug/deps/ws_mgr-80edeb063ead7428) [INFO] [stdout] test backingstore::test::fbs_fuzz_users ... ok [INFO] [stderr] Running unittests src/bin/simple.rs (/opt/rustwide/target/debug/deps/ws_simple-653b0ca0662b9216) [INFO] [stdout] [INFO] [stderr] Doc-tests websession [INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 17.62s [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] [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] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/lib.rs:73:36 [INFO] [stderr] | [INFO] [stderr] 73 | fn cause(&self) -> Option<&dyn (Error)> { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 73 - fn cause(&self) -> Option<&dyn (Error)> { [INFO] [stderr] 73 + fn cause(&self) -> Option<&dyn Error> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [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" "52efcd2cb436647c7de971926b662e90ad6570034af2ab707710812f3ae17146", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52efcd2cb436647c7de971926b662e90ad6570034af2ab707710812f3ae17146", kill_on_drop: false }` [INFO] [stdout] 52efcd2cb436647c7de971926b662e90ad6570034af2ab707710812f3ae17146