[INFO] fetching crate snarkvm-models 0.0.6... [INFO] checking snarkvm-models-0.0.6 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387 [INFO] extracting crate snarkvm-models 0.0.6 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate snarkvm-models 0.0.6 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate snarkvm-models 0.0.6 [INFO] finished tweaking crates.io crate snarkvm-models 0.0.6 [INFO] tweaked toml for crates.io crate snarkvm-models 0.0.6 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded snarkvm-utilities v0.0.6 [INFO] [stderr] Downloaded snarkvm-derives v0.0.6 [INFO] [stderr] Downloaded snarkvm-errors v0.0.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 883997d1fcaec4b1ffe7f6102962515bcb326b2a24dc400d0b4e1ac76fd58cf6 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "883997d1fcaec4b1ffe7f6102962515bcb326b2a24dc400d0b4e1ac76fd58cf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "883997d1fcaec4b1ffe7f6102962515bcb326b2a24dc400d0b4e1ac76fd58cf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "883997d1fcaec4b1ffe7f6102962515bcb326b2a24dc400d0b4e1ac76fd58cf6", kill_on_drop: false }` [INFO] [stdout] 883997d1fcaec4b1ffe7f6102962515bcb326b2a24dc400d0b4e1ac76fd58cf6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 509f4027fd906046dc9e749ac88a0497bef4549b7492cf62dda61115e8f64de9 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "509f4027fd906046dc9e749ac88a0497bef4549b7492cf62dda61115e8f64de9", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling cc v1.0.68 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling curl v0.4.38 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking base58 v0.1.0 [INFO] [stderr] Checking plotters-backend v0.3.0 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking bech32 v0.6.0 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking half v1.7.1 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking crossbeam-utils v0.8.5 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking socket2 v0.4.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking plotters-svg v0.3.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.5 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking rayon-core v1.9.1 [INFO] [stderr] Compiling libz-sys v1.1.3 [INFO] [stderr] Compiling openssl-sys v0.9.63 [INFO] [stderr] Compiling curl-sys v0.4.44+curl-7.77.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling semver-parser v0.10.2 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Compiling rustc_version v0.3.3 [INFO] [stderr] Compiling cast v0.2.6 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Compiling thiserror-impl v1.0.25 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Checking thiserror v1.0.25 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking bstr v0.2.16 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Checking snarkvm-errors v0.0.6 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.4 [INFO] [stderr] Compiling proc-macro-crate v0.1.5 [INFO] [stderr] Compiling snarkvm-derives v0.0.6 [INFO] [stderr] Checking snarkvm-utilities v0.0.6 [INFO] [stderr] Checking snarkvm-models v0.0.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/gadgets/r1cs/test_constraint_system.rs:189:14 [INFO] [stdout] | [INFO] [stdout] 189 | .intersperse("/") [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/gadgets/r1cs/test_constraint_system.rs:189:14 [INFO] [stdout] | [INFO] [stdout] 189 | .intersperse("/") [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/gadgets/curves/fp.rs:658:32 [INFO] [stdout] | [INFO] [stdout] 658 | FpGadget::Constant(v) => unimplemented!(), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/gadgets/curves/fp.rs:658:32 [INFO] [stdout] | [INFO] [stdout] 658 | FpGadget::Constant(v) => unimplemented!(), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gadgets/curves/fp.rs:77:50 [INFO] [stdout] | [INFO] [stdout] 77 | pub fn from_boolean>(mut cs: CS, other: Boolean) -> Result { [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: variable does not need to be mutable [INFO] [stdout] --> src/gadgets/curves/fp.rs:589:55 [INFO] [stdout] | [INFO] [stdout] 589 | fn alloc_constant>(mut cs: CS, value_gen: FN) -> Result [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gadgets/curves/fp.rs:705:44 [INFO] [stdout] | [INFO] [stdout] 705 | fn add>(&self, mut cs: CS, other: &Self) -> Result { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gadgets/curves/fp.rs:814:48 [INFO] [stdout] | [INFO] [stdout] 814 | fn inverse>(&self, mut cs: CS) -> Result { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gadgets/curves/fp.rs:953:48 [INFO] [stdout] | [INFO] [stdout] 953 | fn to_bits>(&self, mut cs: CS) -> Result, SynthesisError> { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gadgets/curves/fp.rs:960:55 [INFO] [stdout] | [INFO] [stdout] 960 | fn to_bits_strict>(&self, mut cs: CS) -> Result, SynthesisError> { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gadgets/curves/fp.rs:973:49 [INFO] [stdout] | [INFO] [stdout] 973 | fn to_bytes>(&self, mut cs: CS) -> Result, SynthesisError> { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gadgets/curves/fp.rs:980:56 [INFO] [stdout] | [INFO] [stdout] 980 | fn to_bytes_strict>(&self, mut cs: CS) -> Result, SynthesisError> { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gadgets/curves/fp.rs:1039:9 [INFO] [stdout] | [INFO] [stdout] 1039 | mut cs: CS, [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gadgets/curves/fp.rs:1079:9 [INFO] [stdout] | [INFO] [stdout] 1079 | mut cs: CS, [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gadgets/curves/fp.rs:77:50 [INFO] [stdout] | [INFO] [stdout] 77 | pub fn from_boolean>(mut cs: CS, other: Boolean) -> Result { [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: variable does not need to be mutable [INFO] [stdout] --> src/gadgets/curves/fp.rs:589:55 [INFO] [stdout] | [INFO] [stdout] 589 | fn alloc_constant>(mut cs: CS, value_gen: FN) -> Result [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gadgets/curves/fp.rs:705:44 [INFO] [stdout] | [INFO] [stdout] 705 | fn add>(&self, mut cs: CS, other: &Self) -> Result { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gadgets/curves/fp.rs:814:48 [INFO] [stdout] | [INFO] [stdout] 814 | fn inverse>(&self, mut cs: CS) -> Result { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gadgets/curves/fp.rs:953:48 [INFO] [stdout] | [INFO] [stdout] 953 | fn to_bits>(&self, mut cs: CS) -> Result, SynthesisError> { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gadgets/curves/fp.rs:960:55 [INFO] [stdout] | [INFO] [stdout] 960 | fn to_bits_strict>(&self, mut cs: CS) -> Result, SynthesisError> { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gadgets/curves/fp.rs:973:49 [INFO] [stdout] | [INFO] [stdout] 973 | fn to_bytes>(&self, mut cs: CS) -> Result, SynthesisError> { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gadgets/curves/fp.rs:980:56 [INFO] [stdout] | [INFO] [stdout] 980 | fn to_bytes_strict>(&self, mut cs: CS) -> Result, SynthesisError> { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gadgets/curves/fp.rs:1039:9 [INFO] [stdout] | [INFO] [stdout] 1039 | mut cs: CS, [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gadgets/curves/fp.rs:1079:9 [INFO] [stdout] | [INFO] [stdout] 1079 | mut cs: CS, [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_constant_in_place` [INFO] [stdout] --> src/gadgets/curves/fp.rs:205:8 [INFO] [stdout] | [INFO] [stdout] 205 | fn add_constant_in_place>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `frobenius_map_in_place` [INFO] [stdout] --> src/gadgets/curves/fp.rs:266:8 [INFO] [stdout] | [INFO] [stdout] 266 | fn frobenius_map_in_place>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `cost_of_mul` [INFO] [stdout] --> src/gadgets/curves/fp.rs:299:8 [INFO] [stdout] | [INFO] [stdout] 299 | fn cost_of_mul() -> usize { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `cost_of_inv` [INFO] [stdout] --> src/gadgets/curves/fp.rs:303:8 [INFO] [stdout] | [INFO] [stdout] 303 | fn cost_of_inv() -> usize { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: couldn't read benches/integer_arithmetic.rs: No such file or directory (os error 2) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `snarkvm-models` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: associated function is never used: `add_constant_in_place` [INFO] [stdout] --> src/gadgets/curves/fp.rs:205:8 [INFO] [stdout] | [INFO] [stdout] 205 | fn add_constant_in_place>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `frobenius_map_in_place` [INFO] [stdout] --> src/gadgets/curves/fp.rs:266:8 [INFO] [stdout] | [INFO] [stdout] 266 | fn frobenius_map_in_place>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `cost_of_mul` [INFO] [stdout] --> src/gadgets/curves/fp.rs:299:8 [INFO] [stdout] | [INFO] [stdout] 299 | fn cost_of_mul() -> usize { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `cost_of_inv` [INFO] [stdout] --> src/gadgets/curves/fp.rs:303:8 [INFO] [stdout] | [INFO] [stdout] 303 | fn cost_of_inv() -> usize { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "509f4027fd906046dc9e749ac88a0497bef4549b7492cf62dda61115e8f64de9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "509f4027fd906046dc9e749ac88a0497bef4549b7492cf62dda61115e8f64de9", kill_on_drop: false }` [INFO] [stdout] 509f4027fd906046dc9e749ac88a0497bef4549b7492cf62dda61115e8f64de9