[INFO] cloning repository https://github.com/tkmct/future-sample [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tkmct/future-sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkmct%2Ffuture-sample", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkmct%2Ffuture-sample'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7a39152d7473ddd9da6b899de074febbe6e2e053 [INFO] testing tkmct/future-sample against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkmct%2Ffuture-sample" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tkmct/future-sample on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tkmct/future-sample [INFO] finished tweaking git repo https://github.com/tkmct/future-sample [INFO] tweaked toml for git repo https://github.com/tkmct/future-sample written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/tkmct/future-sample already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 10acbcff1781352ed1f1e319c203e673b70b44725cfb65a9baea2ee1d02f0471 [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" "10acbcff1781352ed1f1e319c203e673b70b44725cfb65a9baea2ee1d02f0471", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "10acbcff1781352ed1f1e319c203e673b70b44725cfb65a9baea2ee1d02f0471", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10acbcff1781352ed1f1e319c203e673b70b44725cfb65a9baea2ee1d02f0471", kill_on_drop: false }` [INFO] [stdout] 10acbcff1781352ed1f1e319c203e673b70b44725cfb65a9baea2ee1d02f0471 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bbd32b047dd3d11d94837532d99bbe4602b14105decda2cd033c042f9c93226e [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" "bbd32b047dd3d11d94837532d99bbe4602b14105decda2cd033c042f9c93226e", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling futures v0.1.27 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling either v1.5.2 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling syn v0.15.35 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling serde v1.0.92 [INFO] [stderr] Compiling rustc-hex v2.0.1 [INFO] [stderr] Compiling heapsize v0.4.2 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling crunchy v0.1.6 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling static_assertions v0.2.5 [INFO] [stderr] Compiling indexmap v1.0.2 [INFO] [stderr] Compiling sha1 v0.6.0 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling owning_ref v0.4.0 [INFO] [stderr] Compiling crossbeam-utils v0.6.5 [INFO] [stderr] Compiling tokio-trace-core v0.2.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling lock_api v0.1.5 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling rlp v0.4.0 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling mime v0.2.6 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling tiny-keccak v1.4.3 [INFO] [stderr] Compiling impl-rlp v0.2.0 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling tokio-executor v0.1.7 [INFO] [stderr] Compiling tokio-sync v0.1.6 [INFO] [stderr] Compiling want v0.0.6 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling tokio-timer v0.1.2 [INFO] [stderr] Compiling openssl-sys v0.9.47 [INFO] [stderr] Compiling uint v0.5.0 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling http v0.1.17 [INFO] [stderr] Compiling tokio-buf v0.1.1 [INFO] [stderr] Compiling string v0.2.0 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling tokio-timer v0.2.11 [INFO] [stderr] Compiling tokio-current-thread v0.1.6 [INFO] [stderr] Compiling crossbeam-epoch v0.7.1 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling fixed-hash v0.3.2 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling hyper v0.10.16 [INFO] [stderr] Compiling openssl v0.10.23 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Compiling tokio-threadpool v0.1.14 [INFO] [stderr] Compiling parking_lot v0.7.1 [INFO] [stderr] Compiling tokio-fs v0.1.6 [INFO] [stderr] Compiling tokio-reactor v0.1.9 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling tokio-uds v0.2.5 [INFO] [stderr] Compiling tokio-udp v0.1.3 [INFO] [stderr] Compiling h2 v0.1.23 [INFO] [stderr] Compiling http-body v0.1.0 [INFO] [stderr] Compiling tokio v0.1.21 [INFO] [stderr] Compiling tokio-core v0.1.17 [INFO] [stderr] Compiling tokio-tls v0.2.1 [INFO] [stderr] Compiling tokio-uds v0.1.7 [INFO] [stderr] Compiling websocket v0.21.1 [INFO] [stderr] Compiling hyper v0.12.29 [INFO] [stderr] Compiling serde_derive v1.0.92 [INFO] [stderr] Compiling derive_more v0.14.1 [INFO] [stderr] Compiling hyper-tls v0.3.2 [INFO] [stderr] Compiling impl-serde v0.2.0 [INFO] [stderr] Compiling serde_json v1.0.39 [INFO] [stderr] Compiling ethereum-types-serialize v0.2.2 [INFO] [stderr] Compiling ethbloom v0.6.4 [INFO] [stderr] Compiling ethereum-types v0.5.2 [INFO] [stderr] Compiling jsonrpc-core v11.0.0 [INFO] [stderr] Compiling ethabi v7.0.0 [INFO] [stderr] Compiling web3 v0.7.0 (https://github.com/tomusdrw/rust-web3#21cb38c7) [INFO] [stderr] Compiling future-sample v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/event_watcher.rs:160:9 [INFO] [stdout] | [INFO] [stdout] 146 | / loop { [INFO] [stdout] 147 | | let logs = match try_ready!(self.stream.poll()) { [INFO] [stdout] 148 | | Some(value) => value, [INFO] [stdout] 149 | | None => continue, [INFO] [stdout] ... | [INFO] [stdout] 157 | | } [INFO] [stdout] 158 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 159 | [INFO] [stdout] 160 | Ok(Async::Ready(())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:16:26 [INFO] [stdout] | [INFO] [stdout] 16 | Err(e) => panic!(e), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 16 | Err(e) => panic!("{}", e), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 16 | Err(e) => std::panic::panic_any(e), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 30s [INFO] running `Command { std: "docker" "inspect" "bbd32b047dd3d11d94837532d99bbe4602b14105decda2cd033c042f9c93226e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bbd32b047dd3d11d94837532d99bbe4602b14105decda2cd033c042f9c93226e", kill_on_drop: false }` [INFO] [stdout] bbd32b047dd3d11d94837532d99bbe4602b14105decda2cd033c042f9c93226e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ee6344542dd904b55fe77d5fd5acfd29701f71a1bb6a9f9e8877014e87f36f96 [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" "ee6344542dd904b55fe77d5fd5acfd29701f71a1bb6a9f9e8877014e87f36f96", kill_on_drop: false }` [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/event_watcher.rs:160:9 [INFO] [stdout] | [INFO] [stdout] 146 | / loop { [INFO] [stdout] 147 | | let logs = match try_ready!(self.stream.poll()) { [INFO] [stdout] 148 | | Some(value) => value, [INFO] [stdout] 149 | | None => continue, [INFO] [stdout] ... | [INFO] [stdout] 157 | | } [INFO] [stdout] 158 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 159 | [INFO] [stdout] 160 | Ok(Async::Ready(())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling future-sample v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:16:26 [INFO] [stdout] | [INFO] [stdout] 16 | Err(e) => panic!(e), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 16 | Err(e) => panic!("{}", e), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 16 | Err(e) => std::panic::panic_any(e), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/event_watcher.rs:160:9 [INFO] [stdout] | [INFO] [stdout] 146 | / loop { [INFO] [stdout] 147 | | let logs = match try_ready!(self.stream.poll()) { [INFO] [stdout] 148 | | Some(value) => value, [INFO] [stdout] 149 | | None => continue, [INFO] [stdout] ... | [INFO] [stdout] 157 | | } [INFO] [stdout] 158 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 159 | [INFO] [stdout] 160 | Ok(Async::Ready(())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.09s [INFO] running `Command { std: "docker" "inspect" "ee6344542dd904b55fe77d5fd5acfd29701f71a1bb6a9f9e8877014e87f36f96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee6344542dd904b55fe77d5fd5acfd29701f71a1bb6a9f9e8877014e87f36f96", kill_on_drop: false }` [INFO] [stdout] ee6344542dd904b55fe77d5fd5acfd29701f71a1bb6a9f9e8877014e87f36f96 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 64f4d00868732c9f318f64bf65f751596be603c83a3d50208eecd5d872472002 [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" "64f4d00868732c9f318f64bf65f751596be603c83a3d50208eecd5d872472002", kill_on_drop: false }` [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/event_watcher.rs:160:9 [INFO] [stderr] | [INFO] [stderr] 146 | / loop { [INFO] [stderr] 147 | | let logs = match try_ready!(self.stream.poll()) { [INFO] [stderr] 148 | | Some(value) => value, [INFO] [stderr] 149 | | None => continue, [INFO] [stderr] ... | [INFO] [stderr] 157 | | } [INFO] [stderr] 158 | | } [INFO] [stderr] | |_________- any code following this expression is unreachable [INFO] [stderr] 159 | [INFO] [stderr] 160 | Ok(Async::Ready(())) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/event_watcher.rs:160:9 [INFO] [stderr] | [INFO] [stderr] 146 | / loop { [INFO] [stderr] 147 | | let logs = match try_ready!(self.stream.poll()) { [INFO] [stderr] 148 | | Some(value) => value, [INFO] [stderr] 149 | | None => continue, [INFO] [stderr] ... | [INFO] [stderr] 157 | | } [INFO] [stderr] 158 | | } [INFO] [stderr] | |_________- any code following this expression is unreachable [INFO] [stderr] 159 | [INFO] [stderr] 160 | Ok(Async::Ready(())) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/main.rs:16:26 [INFO] [stderr] | [INFO] [stderr] 16 | Err(e) => panic!(e), [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stderr] = note: this is no longer accepted in Rust 2021 [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 16 | Err(e) => panic!("{}", e), [INFO] [stderr] | ^^^^^ [INFO] [stderr] help: or use std::panic::panic_any instead [INFO] [stderr] | [INFO] [stderr] 16 | Err(e) => std::panic::panic_any(e), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.15s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/future_sample-2b85b2490b9e6e5e) [INFO] [stdout] running 2 tests [INFO] [stdout] test event_db::tests::test_event_seen ... ok [INFO] [stdout] test event_db::tests::test_last_logged_block ... 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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/future_sample-c620727af2e57ba6) [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] Doc-tests future-sample [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" "64f4d00868732c9f318f64bf65f751596be603c83a3d50208eecd5d872472002", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64f4d00868732c9f318f64bf65f751596be603c83a3d50208eecd5d872472002", kill_on_drop: false }` [INFO] [stdout] 64f4d00868732c9f318f64bf65f751596be603c83a3d50208eecd5d872472002