[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 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyyklll%2Fskeleton" "/workspace/builds/worker-87/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-87/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yyklll/skeleton on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-87/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-serde-json v0.2.0 [INFO] [stderr] Downloaded iovec v0.1.3 [INFO] [stderr] Downloaded tokio-serde v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7899bcfe10912235ce32380de28aa9e8c4d482d1cc0f54c594ae4ec83abf31f7 [INFO] running `Command { std: "docker" "start" "-a" "7899bcfe10912235ce32380de28aa9e8c4d482d1cc0f54c594ae4ec83abf31f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7899bcfe10912235ce32380de28aa9e8c4d482d1cc0f54c594ae4ec83abf31f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7899bcfe10912235ce32380de28aa9e8c4d482d1cc0f54c594ae4ec83abf31f7", kill_on_drop: false }` [INFO] [stdout] 7899bcfe10912235ce32380de28aa9e8c4d482d1cc0f54c594ae4ec83abf31f7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 84f8cd38da9380e5be8a7093dd3bd8a6ad8342b264072343b06a0ae474d4cb0b [INFO] running `Command { std: "docker" "start" "-a" "84f8cd38da9380e5be8a7093dd3bd8a6ad8342b264072343b06a0ae474d4cb0b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling futures v0.1.29 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling proc-macro2 v1.0.5 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling nodrop v0.1.14 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling smallvec v0.6.10 [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling cc v1.0.45 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Compiling serde v0.8.23 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling bitflags v1.2.0 [INFO] [stderr] Compiling rayon-core v1.6.0 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling unicode-width v0.1.6 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling linked-hash-map v0.5.2 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling rust-ini v0.13.0 [INFO] [stderr] Compiling termcolor v1.0.5 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling lock_api v0.3.1 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling yaml-rust v0.4.3 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling tokio-executor v0.1.8 [INFO] [stderr] Compiling tokio-sync v0.1.6 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling iovec v0.1.3 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling tokio-current-thread v0.1.6 [INFO] [stderr] Compiling tokio-timer v0.2.11 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling tokio-serde v0.3.0 [INFO] [stderr] Compiling serde_test v0.8.23 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling tokio-threadpool v0.1.16 [INFO] [stderr] Compiling backtrace v0.3.38 [INFO] [stderr] Compiling tokio-reactor v0.1.10 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling linked-hash-map v0.3.0 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling tokio-udp v0.1.5 [INFO] [stderr] Compiling tokio-uds v0.2.5 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling rayon v1.2.0 [INFO] [stderr] Compiling tokio-fs v0.1.6 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling serde-hjson v0.8.2 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling structopt v0.2.18 [INFO] [stderr] Compiling serde_json v1.0.41 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling tokio-serde-json v0.2.0 [INFO] [stderr] Compiling config v0.9.3 [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 11 - fn command1(&self, arg1: u32) -> Box + Send>; [INFO] [stdout] 11 + fn command1(&self, arg1: u32) -> Box + Send>; [INFO] [stdout] | [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 14 - fn command2(&self, arg1: u32, arg2: u32) -> Box + Send>; [INFO] [stdout] 14 + fn command2(&self, arg1: u32, arg2: u32) -> Box + Send>; [INFO] [stdout] | [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 31 - fn command1(&self, arg1: u32) -> Box + Send> { [INFO] [stdout] 31 + fn command1(&self, arg1: u32) -> Box + Send> { [INFO] [stdout] | [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 45 - fn command2(&self, arg1: u32, arg2: u32) -> Box + Send> { [INFO] [stdout] 45 + fn command2(&self, arg1: u32, arg2: u32) -> Box + Send> { [INFO] [stdout] | [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:70:10 [INFO] [stdout] | [INFO] [stdout] 70 | if let (value, _) = client [INFO] [stdout] | __________^ [INFO] [stdout] 71 | | .and_then(move |client| client.command1(arg1)) [INFO] [stdout] 72 | | .wait()? [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:81:10 [INFO] [stdout] | [INFO] [stdout] 81 | if let (value, _) = client [INFO] [stdout] | __________^ [INFO] [stdout] 82 | | .and_then(move |client| client.command2(arg1, arg2)) [INFO] [stdout] 83 | | .wait()? [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 26.40s [INFO] running `Command { std: "docker" "inspect" "84f8cd38da9380e5be8a7093dd3bd8a6ad8342b264072343b06a0ae474d4cb0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84f8cd38da9380e5be8a7093dd3bd8a6ad8342b264072343b06a0ae474d4cb0b", kill_on_drop: false }` [INFO] [stdout] 84f8cd38da9380e5be8a7093dd3bd8a6ad8342b264072343b06a0ae474d4cb0b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 16ca78923dd21f6ff75f3161904b6be0c8d3f09991e571d6f285feb40d354e2b [INFO] running `Command { std: "docker" "start" "-a" "16ca78923dd21f6ff75f3161904b6be0c8d3f09991e571d6f285feb40d354e2b", kill_on_drop: false }` [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 11 - fn command1(&self, arg1: u32) -> Box + Send>; [INFO] [stdout] 11 + fn command1(&self, arg1: u32) -> Box + Send>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [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:14:51 [INFO] [stdout] | [INFO] [stdout] 14 | fn command2(&self, arg1: u32, arg2: u32) -> Box + Send>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 14 - fn command2(&self, arg1: u32, arg2: u32) -> Box + Send>; [INFO] [stdout] 14 + fn command2(&self, arg1: u32, arg2: u32) -> Box + Send>; [INFO] [stdout] | [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 31 - fn command1(&self, arg1: u32) -> Box + Send> { [INFO] [stdout] 31 + fn command1(&self, arg1: u32) -> Box + Send> { [INFO] [stdout] | [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 45 - fn command2(&self, arg1: u32, arg2: u32) -> Box + Send> { [INFO] [stdout] 45 + fn command2(&self, arg1: u32, arg2: u32) -> Box + Send> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [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: 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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 11 - fn command1(&self, arg1: u32) -> Box + Send>; [INFO] [stdout] 11 + fn command1(&self, arg1: u32) -> Box + Send>; [INFO] [stdout] | [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 14 - fn command2(&self, arg1: u32, arg2: u32) -> Box + Send>; [INFO] [stdout] 14 + fn command2(&self, arg1: u32, arg2: u32) -> Box + Send>; [INFO] [stdout] | [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 31 - fn command1(&self, arg1: u32) -> Box + Send> { [INFO] [stdout] 31 + fn command1(&self, arg1: u32) -> Box + Send> { [INFO] [stdout] | [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 45 - fn command2(&self, arg1: u32, arg2: u32) -> Box + Send> { [INFO] [stdout] 45 + fn command2(&self, arg1: u32, arg2: u32) -> Box + Send> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/bin/client.rs:70:10 [INFO] [stdout] | [INFO] [stdout] 70 | if let (value, _) = client [INFO] [stdout] | __________^ [INFO] [stdout] 71 | | .and_then(move |client| client.command1(arg1)) [INFO] [stdout] 72 | | .wait()? [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:81:10 [INFO] [stdout] | [INFO] [stdout] 81 | if let (value, _) = client [INFO] [stdout] | __________^ [INFO] [stdout] 82 | | .and_then(move |client| client.command2(arg1, arg2)) [INFO] [stdout] 83 | | .wait()? [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 0.76s [INFO] running `Command { std: "docker" "inspect" "16ca78923dd21f6ff75f3161904b6be0c8d3f09991e571d6f285feb40d354e2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16ca78923dd21f6ff75f3161904b6be0c8d3f09991e571d6f285feb40d354e2b", kill_on_drop: false }` [INFO] [stdout] 16ca78923dd21f6ff75f3161904b6be0c8d3f09991e571d6f285feb40d354e2b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c3d09fcf305c534ab20a56b36795ec7179094c341ded2267433d4083cb0b0315 [INFO] running `Command { std: "docker" "start" "-a" "c3d09fcf305c534ab20a56b36795ec7179094c341ded2267433d4083cb0b0315", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 11 - fn command1(&self, arg1: u32) -> Box + Send>; [INFO] [stderr] 11 + fn command1(&self, arg1: u32) -> Box + Send>; [INFO] [stderr] | [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 14 - fn command2(&self, arg1: u32, arg2: u32) -> Box + Send>; [INFO] [stderr] 14 + fn command2(&self, arg1: u32, arg2: u32) -> Box + Send>; [INFO] [stderr] | [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 31 - fn command1(&self, arg1: u32) -> Box + Send> { [INFO] [stderr] 31 + fn command1(&self, arg1: u32) -> Box + Send> { [INFO] [stderr] | [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 45 - fn command2(&self, arg1: u32, arg2: u32) -> Box + Send> { [INFO] [stderr] 45 + fn command2(&self, arg1: u32, arg2: u32) -> Box + Send> { [INFO] [stderr] | [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:70:10 [INFO] [stderr] | [INFO] [stderr] 70 | if let (value, _) = client [INFO] [stderr] | __________^ [INFO] [stderr] 71 | | .and_then(move |client| client.command1(arg1)) [INFO] [stderr] 72 | | .wait()? [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:81:10 [INFO] [stderr] | [INFO] [stderr] 81 | if let (value, _) = client [INFO] [stderr] | __________^ [INFO] [stderr] 82 | | .and_then(move |client| client.command2(arg1, arg2)) [INFO] [stderr] 83 | | .wait()? [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 1.55s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/skeleton-9bf370c59688e61a) [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] Running unittests (/opt/rustwide/target/debug/deps/client-d4f9e82dc5618e5e) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/server-6b8d64971ef2530b) [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" "c3d09fcf305c534ab20a56b36795ec7179094c341ded2267433d4083cb0b0315", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3d09fcf305c534ab20a56b36795ec7179094c341ded2267433d4083cb0b0315", kill_on_drop: false }` [INFO] [stdout] c3d09fcf305c534ab20a56b36795ec7179094c341ded2267433d4083cb0b0315