[INFO] cloning repository https://github.com/yyklll/skeleton [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yyklll/skeleton" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyyklll%2Fskeleton", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyyklll%2Fskeleton'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 24eb82d118ce76281e35ed6f7deb89f355e4d8b3 [INFO] testing yyklll/skeleton against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyyklll%2Fskeleton" "/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/yyklll/skeleton on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/yyklll/skeleton [INFO] finished tweaking git repo https://github.com/yyklll/skeleton [INFO] tweaked toml for git repo https://github.com/yyklll/skeleton written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/yyklll/skeleton already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rust-ini v0.13.0 [INFO] [stderr] Downloaded serde-hjson v0.8.2 [INFO] [stderr] Downloaded tokio-serde v0.3.0 [INFO] [stderr] Downloaded linked-hash-map v0.3.0 [INFO] [stderr] Downloaded config v0.9.3 [INFO] [stderr] Downloaded iovec v0.1.3 [INFO] [stderr] Downloaded serde_test v0.8.23 [INFO] [stderr] Downloaded tokio-serde-json v0.2.0 [INFO] [stderr] Downloaded bitflags v1.2.0 [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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 354e6eb48e43255997623bcc4dbe178badf267e1b100bbacd3c4d2d326f2e320 [INFO] running `Command { std: "docker" "start" "-a" "354e6eb48e43255997623bcc4dbe178badf267e1b100bbacd3c4d2d326f2e320", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "354e6eb48e43255997623bcc4dbe178badf267e1b100bbacd3c4d2d326f2e320", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "354e6eb48e43255997623bcc4dbe178badf267e1b100bbacd3c4d2d326f2e320", kill_on_drop: false }` [INFO] [stdout] 354e6eb48e43255997623bcc4dbe178badf267e1b100bbacd3c4d2d326f2e320 [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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 077b4f66dd7ccd950f06024e793e5b580ecc70e59d7da0cc9da170e17bc815b4 [INFO] running `Command { std: "docker" "start" "-a" "077b4f66dd7ccd950f06024e793e5b580ecc70e59d7da0cc9da170e17bc815b4", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.5 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling cc v1.0.45 [INFO] [stderr] Compiling serde v0.8.23 [INFO] [stderr] Compiling bitflags v1.2.0 [INFO] [stderr] Compiling rayon-core v1.6.0 [INFO] [stderr] Compiling linked-hash-map v0.5.2 [INFO] [stderr] Compiling rust-ini v0.13.0 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling lock_api v0.3.1 [INFO] [stderr] Compiling tokio-sync v0.1.6 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Compiling iovec v0.1.3 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling yaml-rust v0.4.3 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling tokio-executor v0.1.8 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling tokio-current-thread v0.1.6 [INFO] [stderr] Compiling tokio-timer v0.2.11 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling tokio-serde v0.3.0 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling tokio-threadpool v0.1.16 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling tokio-reactor v0.1.10 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] 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warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/engine/mod.rs:11:40 [INFO] [stdout] | [INFO] [stdout] 11 | fn command1(&self, arg1: u32) -> Box + Send>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/engine/mod.rs:14:51 [INFO] [stdout] | [INFO] [stdout] 14 | fn command2(&self, arg1: u32, arg2: u32) -> Box + Send>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/engine/mod.rs:31:40 [INFO] [stdout] | [INFO] [stdout] 31 | fn command1(&self, arg1: u32) -> Box + Send> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/engine/mod.rs:45:51 [INFO] [stdout] | [INFO] [stdout] 45 | fn command2(&self, arg1: u32, arg2: u32) -> Box + Send> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/bin/client.rs:70:7 [INFO] [stdout] | [INFO] [stdout] 70 | / if let (value, _) = client [INFO] [stdout] 71 | | .and_then(move |client| client.command1(arg1)) [INFO] [stdout] 72 | | .wait()? [INFO] [stdout] 73 | | { [INFO] [stdout] ... | [INFO] [stdout] 76 | | error!("error"); [INFO] [stdout] 77 | | } [INFO] [stdout] | |_______^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/bin/client.rs:81:7 [INFO] [stdout] | [INFO] [stdout] 81 | / if let (value, _) = client [INFO] [stdout] 82 | | .and_then(move |client| client.command2(arg1, arg2)) [INFO] [stdout] 83 | | .wait()? [INFO] [stdout] 84 | | { [INFO] [stdout] ... | [INFO] [stdout] 87 | | error!("error"); [INFO] [stdout] 88 | | } [INFO] [stdout] | |_______^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `configs_from_file` [INFO] [stdout] --> src/bin/server.rs:40:7 [INFO] [stdout] | [INFO] [stdout] 40 | let configs_from_file = settings.try_into::>().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_configs_from_file` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 33.99s [INFO] running `Command { std: "docker" "inspect" "077b4f66dd7ccd950f06024e793e5b580ecc70e59d7da0cc9da170e17bc815b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "077b4f66dd7ccd950f06024e793e5b580ecc70e59d7da0cc9da170e17bc815b4", kill_on_drop: false }` [INFO] [stdout] 077b4f66dd7ccd950f06024e793e5b580ecc70e59d7da0cc9da170e17bc815b4 [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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 42d7062919724ffdefa18c191cb95e9d172366a8d98d581d172e391e2601745f [INFO] running `Command { std: "docker" "start" "-a" "42d7062919724ffdefa18c191cb95e9d172366a8d98d581d172e391e2601745f", kill_on_drop: false }` [INFO] [stderr] Compiling skeleton v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/engine/mod.rs:11:40 [INFO] [stdout] | [INFO] [stdout] 11 | fn command1(&self, arg1: u32) -> Box + Send>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/engine/mod.rs:14:51 [INFO] [stdout] | [INFO] [stdout] 14 | fn command2(&self, arg1: u32, arg2: u32) -> Box + Send>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/engine/mod.rs:31:40 [INFO] [stdout] | [INFO] [stdout] 31 | fn command1(&self, arg1: u32) -> Box + Send> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/engine/mod.rs:45:51 [INFO] [stdout] | [INFO] [stdout] 45 | fn command2(&self, arg1: u32, arg2: u32) -> Box + Send> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/engine/mod.rs:11:40 [INFO] [stdout] | [INFO] [stdout] 11 | fn command1(&self, arg1: u32) -> Box + Send>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/engine/mod.rs:14:51 [INFO] [stdout] | [INFO] [stdout] 14 | fn command2(&self, arg1: u32, arg2: u32) -> Box + Send>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/engine/mod.rs:31:40 [INFO] [stdout] | [INFO] [stdout] 31 | fn command1(&self, arg1: u32) -> Box + Send> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/engine/mod.rs:45:51 [INFO] [stdout] | [INFO] [stdout] 45 | fn command2(&self, arg1: u32, arg2: u32) -> Box + Send> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `configs_from_file` [INFO] [stdout] --> src/bin/server.rs:40:7 [INFO] [stdout] | [INFO] [stdout] 40 | let configs_from_file = settings.try_into::>().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_configs_from_file` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/bin/client.rs:70:7 [INFO] [stdout] | [INFO] [stdout] 70 | / if let (value, _) = client [INFO] [stdout] 71 | | .and_then(move |client| client.command1(arg1)) [INFO] [stdout] 72 | | .wait()? [INFO] [stdout] 73 | | { [INFO] [stdout] ... | [INFO] [stdout] 76 | | error!("error"); [INFO] [stdout] 77 | | } [INFO] [stdout] | |_______^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/bin/client.rs:81:7 [INFO] [stdout] | [INFO] [stdout] 81 | / if let (value, _) = client [INFO] [stdout] 82 | | .and_then(move |client| client.command2(arg1, arg2)) [INFO] [stdout] 83 | | .wait()? [INFO] [stdout] 84 | | { [INFO] [stdout] ... | [INFO] [stdout] 87 | | error!("error"); [INFO] [stdout] 88 | | } [INFO] [stdout] | |_______^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.69s [INFO] running `Command { std: "docker" "inspect" "42d7062919724ffdefa18c191cb95e9d172366a8d98d581d172e391e2601745f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42d7062919724ffdefa18c191cb95e9d172366a8d98d581d172e391e2601745f", kill_on_drop: false }` [INFO] [stdout] 42d7062919724ffdefa18c191cb95e9d172366a8d98d581d172e391e2601745f [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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3a8614b162944738e9cf7fcdd9cdf33bbba9bc1672db5cf7585888a7172a3176 [INFO] running `Command { std: "docker" "start" "-a" "3a8614b162944738e9cf7fcdd9cdf33bbba9bc1672db5cf7585888a7172a3176", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/engine/mod.rs:11:40 [INFO] [stderr] | [INFO] [stderr] 11 | fn command1(&self, arg1: u32) -> Box + Send>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/engine/mod.rs:14:51 [INFO] [stderr] | [INFO] [stderr] 14 | fn command2(&self, arg1: u32, arg2: u32) -> Box + Send>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/engine/mod.rs:31:40 [INFO] [stderr] | [INFO] [stderr] 31 | fn command1(&self, arg1: u32) -> Box + Send> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/engine/mod.rs:45:51 [INFO] [stderr] | [INFO] [stderr] 45 | fn command2(&self, arg1: u32, arg2: u32) -> Box + Send> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: `skeleton` (lib) generated 4 warnings [INFO] [stderr] warning: `skeleton` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] warning: unused variable: `configs_from_file` [INFO] [stderr] --> src/bin/server.rs:40:7 [INFO] [stderr] | [INFO] [stderr] 40 | let configs_from_file = settings.try_into::>().unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_configs_from_file` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: irrefutable `if let` pattern [INFO] [stderr] --> src/bin/client.rs:70:7 [INFO] [stderr] | [INFO] [stderr] 70 | / if let (value, _) = client [INFO] [stderr] 71 | | .and_then(move |client| client.command1(arg1)) [INFO] [stderr] 72 | | .wait()? [INFO] [stderr] 73 | | { [INFO] [stderr] ... | [INFO] [stderr] 76 | | error!("error"); [INFO] [stderr] 77 | | } [INFO] [stderr] | |_______^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stderr] = note: this pattern will always match, so the `if let` is useless [INFO] [stderr] = help: consider replacing the `if let` with a `let` [INFO] [stderr] [INFO] [stderr] warning: irrefutable `if let` pattern [INFO] [stderr] --> src/bin/client.rs:81:7 [INFO] [stderr] | [INFO] [stderr] 81 | / if let (value, _) = client [INFO] [stderr] 82 | | .and_then(move |client| client.command2(arg1, arg2)) [INFO] [stderr] 83 | | .wait()? [INFO] [stderr] 84 | | { [INFO] [stderr] ... | [INFO] [stderr] 87 | | error!("error"); [INFO] [stderr] 88 | | } [INFO] [stderr] | |_______^ [INFO] [stderr] | [INFO] [stderr] = note: this pattern will always match, so the `if let` is useless [INFO] [stderr] = help: consider replacing the `if let` with a `let` [INFO] [stderr] [INFO] [stderr] warning: `skeleton` (bin "server" test) generated 1 warning [INFO] [stderr] warning: `skeleton` (bin "client" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/skeleton-b8ef480f131276a8) [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/client-3d663c3682fddc52) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/server-e14831d239d50034) [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] [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 skeleton [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" "3a8614b162944738e9cf7fcdd9cdf33bbba9bc1672db5cf7585888a7172a3176", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a8614b162944738e9cf7fcdd9cdf33bbba9bc1672db5cf7585888a7172a3176", kill_on_drop: false }` [INFO] [stdout] 3a8614b162944738e9cf7fcdd9cdf33bbba9bc1672db5cf7585888a7172a3176