[INFO] fetching crate q1tsim 0.5.0... [INFO] checking q1tsim-0.5.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate q1tsim 0.5.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate q1tsim 0.5.0 [INFO] finished tweaking crates.io crate q1tsim 0.5.0 [INFO] tweaked toml for crates.io crate q1tsim 0.5.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate q1tsim 0.5.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 89 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.2.11 (available: v0.7.0) [INFO] [stderr] Adding ndarray v0.12.1 (available: v0.16.1) [INFO] [stderr] Adding num-complex v0.2.4 (available: v0.4.6) [INFO] [stderr] Adding rand v0.7.3 (available: v0.9.2) [INFO] [stderr] Adding rand_core v0.5.1 (available: v0.9.3) [INFO] [stderr] Adding rand_distr v0.2.2 (available: v0.5.1) [INFO] [stderr] Adding rand_hc v0.2.0 (available: v0.4.0) [INFO] [stderr] Adding statrs v0.7.0 (available: v0.18.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ff60307c2a1b23ba3941c1238f858a7e19315bdc31382f28daec383bb683096d [INFO] running `Command { std: "docker" "start" "-a" "ff60307c2a1b23ba3941c1238f858a7e19315bdc31382f28daec383bb683096d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ff60307c2a1b23ba3941c1238f858a7e19315bdc31382f28daec383bb683096d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff60307c2a1b23ba3941c1238f858a7e19315bdc31382f28daec383bb683096d", kill_on_drop: false }` [INFO] [stdout] ff60307c2a1b23ba3941c1238f858a7e19315bdc31382f28daec383bb683096d [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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f0b44d0310d338c225319643facaa96ac09e8a1804474e650a58e7c1aa6cfe1b [INFO] running `Command { std: "docker" "start" "-a" "f0b44d0310d338c225319643facaa96ac09e8a1804474e650a58e7c1aa6cfe1b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling semver v1.0.26 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling zerocopy v0.8.26 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Checking cfg-if v1.0.3 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking itoa v1.0.15 [INFO] [stderr] Checking ryu v1.0.20 [INFO] [stderr] Compiling matrixmultiply v0.1.15 [INFO] [stderr] Compiling rayon-core v1.13.0 [INFO] [stderr] Compiling serde_json v1.0.143 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking rawpointer v0.1.0 [INFO] [stderr] Checking regex-syntax v0.8.6 [INFO] [stderr] Compiling ndarray v0.12.1 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling rustc_version v0.4.1 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking csv-core v0.1.12 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking matches v0.1.10 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking crossbeam-deque v0.8.6 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking criterion-plot v0.3.1 [INFO] [stderr] Checking rayon v1.11.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking regex-automata v0.4.10 [INFO] [stderr] Checking statrs v0.7.0 [INFO] [stderr] Checking rand_hc v0.2.0 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking csv v1.3.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling q1tsim-derive v0.1.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking rand_distr v0.2.2 [INFO] [stderr] Checking regex v1.11.2 [INFO] [stderr] Checking q1tsim v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/gates/composite.rs:49:15 [INFO] [stdout] | [INFO] [stdout] 49 | gate: Box, [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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 49 | gate: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/circuit.rs:34:14 [INFO] [stdout] | [INFO] [stdout] 34 | Gate(Box, Vec), [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: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 34 | Gate(Box, Vec), [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/circuit.rs:36:42 [INFO] [stdout] | [INFO] [stdout] 36 | ConditionalGate(Vec, u64, Box, Vec), [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: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 36 | ConditionalGate(Vec, u64, Box, Vec), [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/export.rs:28:27 [INFO] [stdout] | [INFO] [stdout] 28 | fn as_gate(&self) -> &Gate; [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: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 28 | fn as_gate(&self) -> &dyn Gate; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/export.rs:33:27 [INFO] [stdout] | [INFO] [stdout] 33 | fn as_gate(&self) -> &Gate [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: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 33 | fn as_gate(&self) -> &dyn Gate [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used [INFO] [stdout] --> src/ffi.rs:21:14 [INFO] [stdout] | [INFO] [stdout] 21 | unsafe { ::std::ffi::CString::from_raw(ptr); } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(from_raw(ptr))` if you intend to drop the `CString` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 21 | unsafe { let _ = ::std::ffi::CString::from_raw(ptr); } [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/ffi.rs:162:18 [INFO] [stdout] | [INFO] [stdout] 162 | unsafe { Box::from_raw(ptr); } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 162 | unsafe { let _ = Box::from_raw(ptr); } [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking criterion v0.2.11 [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/circuit.rs:1269:18 [INFO] [stdout] | [INFO] [stdout] 1269 | );* [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/gates/composite.rs:49:15 [INFO] [stdout] | [INFO] [stdout] 49 | gate: Box, [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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 49 | gate: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/circuit.rs:34:14 [INFO] [stdout] | [INFO] [stdout] 34 | Gate(Box, Vec), [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: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 34 | Gate(Box, Vec), [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/circuit.rs:36:42 [INFO] [stdout] | [INFO] [stdout] 36 | ConditionalGate(Vec, u64, Box, Vec), [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: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 36 | ConditionalGate(Vec, u64, Box, Vec), [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/export.rs:28:27 [INFO] [stdout] | [INFO] [stdout] 28 | fn as_gate(&self) -> &Gate; [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: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 28 | fn as_gate(&self) -> &dyn Gate; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/export.rs:33:27 [INFO] [stdout] | [INFO] [stdout] 33 | fn as_gate(&self) -> &Gate [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: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 33 | fn as_gate(&self) -> &dyn Gate [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/gates/composite.rs:948:34 [INFO] [stdout] | [INFO] [stdout] 948 | Err(err) => { panic!(err); } [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 948 | Err(err) => { panic!("{}", err); } [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 948 - Err(err) => { panic!(err); } [INFO] [stdout] 948 + Err(err) => { std::panic::panic_any(err); } [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/gates/composite.rs:960:34 [INFO] [stdout] | [INFO] [stdout] 960 | Err(err) => { panic!(err); } [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 960 | Err(err) => { panic!("{}", err); } [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 960 - Err(err) => { panic!(err); } [INFO] [stdout] 960 + Err(err) => { std::panic::panic_any(err); } [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/gates/composite.rs:1244:34 [INFO] [stdout] | [INFO] [stdout] 1244 | Err(err) => { panic!(err); } [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 1244 | Err(err) => { panic!("{}", err); } [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 1244 - Err(err) => { panic!(err); } [INFO] [stdout] 1244 + Err(err) => { std::panic::panic_any(err); } [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/gates/composite.rs:1259:34 [INFO] [stdout] | [INFO] [stdout] 1259 | Err(err) => { panic!(err); } [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 1259 | Err(err) => { panic!("{}", err); } [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 1259 - Err(err) => { panic!(err); } [INFO] [stdout] 1259 + Err(err) => { std::panic::panic_any(err); } [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used [INFO] [stdout] --> src/ffi.rs:21:14 [INFO] [stdout] | [INFO] [stdout] 21 | unsafe { ::std::ffi::CString::from_raw(ptr); } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(from_raw(ptr))` if you intend to drop the `CString` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 21 | unsafe { let _ = ::std::ffi::CString::from_raw(ptr); } [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/ffi.rs:162:18 [INFO] [stdout] | [INFO] [stdout] 162 | unsafe { Box::from_raw(ptr); } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 162 | unsafe { let _ = Box::from_raw(ptr); } [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.35s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11, syn v0.14.9 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "f0b44d0310d338c225319643facaa96ac09e8a1804474e650a58e7c1aa6cfe1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0b44d0310d338c225319643facaa96ac09e8a1804474e650a58e7c1aa6cfe1b", kill_on_drop: false }` [INFO] [stdout] f0b44d0310d338c225319643facaa96ac09e8a1804474e650a58e7c1aa6cfe1b