[INFO] fetching crate rain_task 0.4.0... [INFO] checking rain_task-0.4.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate rain_task 0.4.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate rain_task 0.4.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rain_task 0.4.0 [INFO] finished tweaking crates.io crate rain_task 0.4.0 [INFO] tweaked toml for crates.io crate rain_task 0.4.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 135 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding bytes v0.4.12 (available: v1.7.2) [INFO] [stderr] Adding capnp v0.8.17 (available: v0.20.1) [INFO] [stderr] Adding capnp-futures v0.1.1 (available: v0.20.0) [INFO] [stderr] Adding capnp-rpc v0.8.3 (available: v0.20.2) [INFO] [stderr] Adding capnpc v0.8.9 (available: v0.20.0) [INFO] [stderr] Adding cfg-if v0.1.10 (available: v1.0.0) [INFO] [stderr] Adding cloudabi v0.0.3 (available: v0.1.0) [INFO] [stderr] Adding crossbeam-deque v0.7.4 (available: v0.8.5) [INFO] [stderr] Adding crossbeam-epoch v0.8.2 (available: v0.9.18) [INFO] [stderr] Adding crossbeam-queue v0.2.3 (available: v0.3.11) [INFO] [stderr] Adding crossbeam-utils v0.7.2 (available: v0.8.20) [INFO] [stderr] Adding env_logger v0.5.13 (available: v0.11.5) [INFO] [stderr] Adding error-chain v0.11.0 (available: v0.12.4) [INFO] [stderr] Adding futures v0.1.31 (available: v0.3.30) [INFO] [stderr] Adding hermit-abi v0.1.19 (available: v0.4.0) [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [INFO] [stderr] Adding humantime v1.3.0 (available: v2.1.0) [INFO] [stderr] Adding libsqlite3-sys v0.9.4 (available: v0.30.1) [INFO] [stderr] Adding lock_api v0.3.4 (available: v0.4.12) [INFO] [stderr] Adding memmap v0.6.2 (available: v0.7.0) [INFO] [stderr] Adding memoffset v0.5.6 (available: v0.9.1) [INFO] [stderr] Adding mio v0.6.23 (available: v1.0.2) [INFO] [stderr] Adding miow v0.2.2 (available: v0.6.0) [INFO] [stderr] Adding nix v0.11.1 (available: v0.29.0) [INFO] [stderr] Adding parking_lot v0.9.0 (available: v0.12.3) [INFO] [stderr] Adding parking_lot_core v0.6.3 (available: v0.9.10) [INFO] [stderr] Adding quick-error v1.2.3 (available: v2.0.1) [INFO] [stderr] Adding redox_syscall v0.1.57 (available: v0.5.6) [INFO] [stderr] Adding rusqlite v0.14.0 (available: v0.32.1) [INFO] [stderr] Adding rustc_version v0.2.3 (available: v0.4.1) [INFO] [stderr] Adding scoped-tls v0.1.2 (available: v1.0.1) [INFO] [stderr] Adding semver v0.9.0 (available: v1.0.23) [INFO] [stderr] Adding semver-parser v0.7.0 (available: v0.10.2) [INFO] [stderr] Adding serde_bytes v0.10.5 (available: v0.11.15) [INFO] [stderr] Adding serde_cbor v0.8.2 (available: v0.11.2) [INFO] [stderr] Adding smallvec v0.6.14 (available: v1.13.2) [INFO] [stderr] Adding time v0.1.45 (available: v0.3.36) [INFO] [stderr] Adding tokio v0.1.22 (available: v1.40.0) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1) [INFO] [stderr] Adding winapi v0.2.8 (available: v0.3.9) [INFO] [stderr] Adding windows-core v0.52.0 (available: v0.58.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cb4f6c95747c993bdb33f146470808ff799c6821b66057ab8394ab2ea3416c42 [INFO] running `Command { std: "docker" "start" "-a" "cb4f6c95747c993bdb33f146470808ff799c6821b66057ab8394ab2ea3416c42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cb4f6c95747c993bdb33f146470808ff799c6821b66057ab8394ab2ea3416c42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb4f6c95747c993bdb33f146470808ff799c6821b66057ab8394ab2ea3416c42", kill_on_drop: false }` [INFO] [stdout] cb4f6c95747c993bdb33f146470808ff799c6821b66057ab8394ab2ea3416c42 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f234e23a042340285031e9d6934f00bf3c65b6d8f3afbe7c0c6c59b86ef6282a [INFO] running `Command { std: "docker" "start" "-a" "f234e23a042340285031e9d6934f00bf3c65b6d8f3afbe7c0c6c59b86ef6282a", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Compiling libsqlite3-sys v0.9.4 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking gimli v0.31.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking miniz_oxide v0.8.0 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking object v0.36.4 [INFO] [stderr] Compiling nix v0.11.1 [INFO] [stderr] Checking linked-hash-map v0.5.6 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking rustc-demangle v0.1.24 [INFO] [stderr] Checking iana-time-zone v0.1.61 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking lru-cache v0.1.2 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking capnp v0.8.17 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking arrayref v0.3.9 [INFO] [stderr] Checking memmap v0.6.2 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking capnp-futures v0.1.1 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-core v0.1.18 [INFO] [stderr] Compiling capnpc v0.8.9 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking addr2line v0.24.1 [INFO] [stderr] Checking chrono v0.4.38 [INFO] [stderr] Checking serde_json v1.0.128 [INFO] [stderr] Checking serde_cbor v0.8.2 [INFO] [stderr] Checking serde_bytes v0.10.5 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling capnp-rpc v0.8.3 [INFO] [stderr] Compiling rain_core v0.4.0 [INFO] [stderr] Checking rusqlite v0.14.0 [INFO] [stderr] Checking backtrace v0.3.74 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Checking rain_task v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/framing.rs:10:31 [INFO] [stdout] | [INFO] [stdout] 10 | fn write_frame(&mut self, &[u8]) -> Result<()>; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[u8]` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/framing.rs:12:29 [INFO] [stdout] | [INFO] [stdout] 12 | fn write_msg(&mut self, &ExecutorToGovernorMessage) -> Result<()>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &ExecutorToGovernorMessage` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/errors.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | /// The internal error type [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [INFO] [stdout] | [INFO] [stdout] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/errors.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | / error_chain!{ [INFO] [stdout] 7 | | types { [INFO] [stdout] 8 | | Error, ErrorKind, ResultExt; [INFO] [stdout] 9 | | } [INFO] [stdout] ... | [INFO] [stdout] 12 | | } [INFO] [stdout] 13 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/executor.rs:15:19 [INFO] [stdout] | [INFO] [stdout] 15 | pub type TaskFn = Fn(&mut Context, &[DataInstance], &mut [Output]) -> TaskResult<()> + Send + Sync; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 15 | pub type TaskFn = dyn Fn(&mut Context, &[DataInstance], &mut [Output]) -> TaskResult<()> + Send + Sync; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/framing.rs:10:31 [INFO] [stdout] | [INFO] [stdout] 10 | fn write_frame(&mut self, &[u8]) -> Result<()>; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[u8]` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/framing.rs:12:29 [INFO] [stdout] | [INFO] [stdout] 12 | fn write_msg(&mut self, &ExecutorToGovernorMessage) -> Result<()>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &ExecutorToGovernorMessage` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/errors.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | /// The internal error type [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [INFO] [stdout] | [INFO] [stdout] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/errors.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | / error_chain!{ [INFO] [stdout] 7 | | types { [INFO] [stdout] 8 | | Error, ErrorKind, ResultExt; [INFO] [stdout] 9 | | } [INFO] [stdout] ... | [INFO] [stdout] 12 | | } [INFO] [stdout] 13 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/errors.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | / error_chain!{ [INFO] [stdout] 7 | | types { [INFO] [stdout] 8 | | Error, ErrorKind, ResultExt; [INFO] [stdout] 9 | | } [INFO] [stdout] ... | [INFO] [stdout] 12 | | } [INFO] [stdout] 13 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/executor.rs:15:19 [INFO] [stdout] | [INFO] [stdout] 15 | pub type TaskFn = Fn(&mut Context, &[DataInstance], &mut [Output]) -> TaskResult<()> + Send + Sync; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 15 | pub type TaskFn = dyn Fn(&mut Context, &[DataInstance], &mut [Output]) -> TaskResult<()> + Send + Sync; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/executor.rs:217:25 [INFO] [stdout] | [INFO] [stdout] 217 | for mut o in context.outputs.iter_mut() { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/errors.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | / error_chain!{ [INFO] [stdout] 7 | | types { [INFO] [stdout] 8 | | Error, ErrorKind, ResultExt; [INFO] [stdout] 9 | | } [INFO] [stdout] ... | [INFO] [stdout] 12 | | } [INFO] [stdout] 13 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `staging_dir` is never read [INFO] [stdout] --> src/context.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Context { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 18 | staging_dir: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Context` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains an unused formatting placeholder [INFO] [stdout] --> src/output.rs:311:48 [INFO] [stdout] | [INFO] [stdout] 311 | _ => panic!("can't write to output {} that has been staged with input, file or dir"), [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: this message is not used as a format string when given without arguments, but will be in Rust 2021 [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add the missing argument [INFO] [stdout] | [INFO] [stdout] 311 | _ => panic!("can't write to output {} that has been staged with input, file or dir", ...), [INFO] [stdout] | +++++ [INFO] [stdout] help: or add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 311 | _ => panic!("{}", "can't write to output {} that has been staged with input, file or dir"), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/executor.rs:217:25 [INFO] [stdout] | [INFO] [stdout] 217 | for mut o in context.outputs.iter_mut() { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `staging_dir` is never read [INFO] [stdout] --> src/context.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Context { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 18 | staging_dir: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Context` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains an unused formatting placeholder [INFO] [stdout] --> src/output.rs:311:48 [INFO] [stdout] | [INFO] [stdout] 311 | _ => panic!("can't write to output {} that has been staged with input, file or dir"), [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: this message is not used as a format string when given without arguments, but will be in Rust 2021 [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add the missing argument [INFO] [stdout] | [INFO] [stdout] 311 | _ => panic!("can't write to output {} that has been staged with input, file or dir", ...), [INFO] [stdout] | +++++ [INFO] [stdout] help: or add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 311 | _ => panic!("{}", "can't write to output {} that has been staged with input, file or dir"), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.72s [INFO] running `Command { std: "docker" "inspect" "f234e23a042340285031e9d6934f00bf3c65b6d8f3afbe7c0c6c59b86ef6282a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f234e23a042340285031e9d6934f00bf3c65b6d8f3afbe7c0c6c59b86ef6282a", kill_on_drop: false }` [INFO] [stdout] f234e23a042340285031e9d6934f00bf3c65b6d8f3afbe7c0c6c59b86ef6282a