[INFO] fetching crate palantiri 0.1.0...
[INFO] building palantiri-0.1.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate palantiri 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate palantiri 0.1.0
[INFO] finished tweaking crates.io crate palantiri 0.1.0
[INFO] tweaked toml for crates.io crate palantiri 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate palantiri 0.1.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate palantiri 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.5.0
[INFO] [stderr]   Downloaded const-hex v1.14.0
[INFO] [stderr]   Downloaded alloy-rlp-derive v0.3.11
[INFO] [stderr]   Downloaded alloy-rlp v0.3.11
[INFO] [stderr]   Downloaded nybbles v0.3.4
[INFO] [stderr]   Downloaded alloy-signer v0.13.0
[INFO] [stderr]   Downloaded parity-scale-codec-derive v3.7.4
[INFO] [stderr]   Downloaded alloy-rpc-types v0.13.0
[INFO] [stderr]   Downloaded alloy-eip2930 v0.1.0
[INFO] [stderr]   Downloaded alloy-primitives v0.8.25
[INFO] [stderr]   Downloaded alloy-core v0.8.25
[INFO] [stderr]   Downloaded alloy-chains v0.1.69
[INFO] [stderr]   Downloaded alloy-contract v0.13.0
[INFO] [stderr]   Downloaded syn-solidity v0.8.25
[INFO] [stderr]   Downloaded alloy-rpc-types-eth v0.13.0
[INFO] [stderr]   Downloaded ruint v1.14.0
[INFO] [stderr]   Downloaded alloy-sol-types v0.8.25
[INFO] [stderr]   Downloaded alloy v0.13.0
[INFO] [stderr]   Downloaded auto_impl v1.2.1
[INFO] [stderr]   Downloaded parity-scale-codec v3.7.4
[INFO] [stderr]   Downloaded alloy-provider v0.13.0
[INFO] [stderr]   Downloaded winnow v0.7.6
[INFO] [stderr]   Downloaded alloy-dyn-abi v0.8.25
[INFO] [stderr]   Downloaded alloy-rpc-client v0.13.0
[INFO] [stderr]   Downloaded alloy-eips v0.13.0
[INFO] [stderr]   Downloaded rustls v0.23.25
[INFO] [stderr]   Downloaded alloy-genesis v0.13.0
[INFO] [stderr]   Downloaded alloy-network v0.13.0
[INFO] [stderr]   Downloaded alloy-sol-macro-expander v0.8.25
[INFO] [stderr]   Downloaded alloy-json-abi v0.8.25
[INFO] [stderr]   Downloaded blst v0.3.14
[INFO] [stderr]   Downloaded wasmtimer v0.4.1
[INFO] [stderr]   Downloaded alloy-transport-http v0.13.0
[INFO] [stderr]   Downloaded alloy-sol-type-parser v0.8.25
[INFO] [stderr]   Downloaded alloy-sol-macro-input v0.8.25
[INFO] [stderr]   Downloaded alloy-sol-macro v0.8.25
[INFO] [stderr]   Downloaded alloy-rpc-types-any v0.13.0
[INFO] [stderr]   Downloaded alloy-consensus-any v0.13.0
[INFO] [stderr]   Downloaded alloy-eip2124 v0.1.0
[INFO] [stderr]   Downloaded alloy-network-primitives v0.13.0
[INFO] [stderr]   Downloaded alloy-serde v0.13.0
[INFO] [stderr]   Downloaded alloy-signer-local v0.13.0
[INFO] [stderr]   Downloaded alloy-trie v0.7.9
[INFO] [stderr]   Downloaded alloy-json-rpc v0.13.0
[INFO] [stderr]   Downloaded futures-utils-wasm v0.1.0
[INFO] [stderr]   Downloaded alloy-transport v0.13.0
[INFO] [stderr]   Downloaded rustls-webpki v0.103.1
[INFO] [stderr]   Downloaded alloy-eip7702 v0.5.1
[INFO] [stderr]   Downloaded c-kzg v2.1.0
[INFO] [stderr]   Downloaded alloy-consensus v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c58b6f52ae49ecb6ffbb7cda8430136639963470da7b39cd0ffeae68f01bcf3
[INFO] running `Command { std: "docker" "start" "-a" "8c58b6f52ae49ecb6ffbb7cda8430136639963470da7b39cd0ffeae68f01bcf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c58b6f52ae49ecb6ffbb7cda8430136639963470da7b39cd0ffeae68f01bcf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c58b6f52ae49ecb6ffbb7cda8430136639963470da7b39cd0ffeae68f01bcf3", kill_on_drop: false }`
[INFO] [stdout] 8c58b6f52ae49ecb6ffbb7cda8430136639963470da7b39cd0ffeae68f01bcf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad024a08d4f66690778587c08b160ea1e007280d359408dfa1c237c3ac71c0d0
[INFO] running `Command { std: "docker" "start" "-a" "ad024a08d4f66690778587c08b160ea1e007280d359408dfa1c237c3ac71c0d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling crunchy v0.2.3
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling ruint-macro v1.2.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling der v0.7.9
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling winnow v0.7.6
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling rfc6979 v0.4.0
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling ff v0.13.1
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling crypto-bigint v0.5.5
[INFO] [stderr]    Compiling sec1 v0.7.3
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling spki v0.7.3
[INFO] [stderr]    Compiling socket2 v0.5.9
[INFO] [stderr]    Compiling cc v1.2.18
[INFO] [stderr]    Compiling litemap v0.7.5
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.1
[INFO] [stderr]    Compiling icu_properties_data v1.5.1
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling crc v3.2.1
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.1
[INFO] [stderr]    Compiling openssl v0.10.72
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling futures-utils-wasm v0.1.0
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling elliptic-curve v0.13.8
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling openssl-sys v0.9.107
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling clap_builder v4.5.35
[INFO] [stderr]    Compiling ecdsa v0.16.9
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling k256 v0.13.4
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling macro-string v0.1.4
[INFO] [stderr]    Compiling syn-solidity v0.8.25
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling clap v4.5.35
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling alloy-rlp-derive v0.3.11
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.7.5
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling auto_impl v1.2.1
[INFO] [stderr]    Compiling zerovec v0.10.4
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling tinystr v0.7.6
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling icu_locid v1.5.0
[INFO] [stderr]    Compiling icu_collections v1.5.0
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]    Compiling derive_more v1.0.0
[INFO] [stderr]    Compiling num_enum_derive v0.7.3
[INFO] [stderr]    Compiling icu_provider v1.5.0
[INFO] [stderr]    Compiling icu_locid_transform v1.5.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling num_enum v0.7.3
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling icu_properties v1.5.1
[INFO] [stderr]    Compiling strum v0.27.1
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling const-hex v1.14.0
[INFO] [stderr]    Compiling ruint v1.14.0
[INFO] [stderr]    Compiling alloy-rlp v0.3.11
[INFO] [stderr]    Compiling alloy-sol-type-parser v0.8.25
[INFO] [stderr]    Compiling alloy-primitives v0.8.25
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling http v1.3.1
[INFO] [stderr]    Compiling tokio v1.44.2
[INFO] [stderr]    Compiling nybbles v0.3.4
[INFO] [stderr]    Compiling icu_normalizer v1.5.0
[INFO] [stderr]    Compiling alloy-json-abi v0.8.25
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling idna_adapter v1.2.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling alloy-sol-macro-input v0.8.25
[INFO] [stderr]    Compiling lru v0.13.0
[INFO] [stderr]    Compiling alloy-sol-macro-expander v0.8.25
[INFO] [stderr]    Compiling alloy-eip2930 v0.1.0
[INFO] [stderr]    Compiling alloy-eip7702 v0.5.1
[INFO] [stderr]    Compiling alloy-eip2124 v0.1.0
[INFO] [stderr]    Compiling alloy-serde v0.13.0
[INFO] [stderr]    Compiling alloy-trie v0.7.9
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling alloy-signer v0.13.0
[INFO] [stderr]    Compiling alloy-chains v0.1.69
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling alloy-eips v0.13.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling alloy-consensus v0.13.0
[INFO] [stderr]    Compiling alloy-sol-macro v0.8.25
[INFO] [stderr]    Compiling alloy-sol-types v0.8.25
[INFO] [stderr]    Compiling tokio-util v0.7.14
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling alloy-network-primitives v0.13.0
[INFO] [stderr]    Compiling h2 v0.4.8
[INFO] [stderr]    Compiling alloy-consensus-any v0.13.0
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling hyper v1.6.0
[INFO] [stderr]    Compiling hyper-util v0.1.11
[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling reqwest v0.12.15
[INFO] [stderr]    Compiling alloy-json-rpc v0.13.0
[INFO] [stderr]    Compiling alloy-rpc-types-eth v0.13.0
[INFO] [stderr]    Compiling alloy-dyn-abi v0.8.25
[INFO] [stderr]    Compiling alloy-transport v0.13.0
[INFO] [stderr]    Compiling alloy-transport-http v0.13.0
[INFO] [stderr]    Compiling alloy-core v0.8.25
[INFO] [stderr]    Compiling alloy-rpc-client v0.13.0
[INFO] [stderr]    Compiling alloy-rpc-types-any v0.13.0
[INFO] [stderr]    Compiling alloy-rpc-types v0.13.0
[INFO] [stderr]    Compiling alloy-network v0.13.0
[INFO] [stderr]    Compiling alloy-provider v0.13.0
[INFO] [stderr]    Compiling alloy-signer-local v0.13.0
[INFO] [stderr]    Compiling alloy-contract v0.13.0
[INFO] [stderr]    Compiling alloy v0.13.0
[INFO] [stderr]    Compiling palantiri v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 28s
[INFO] running `Command { std: "docker" "inspect" "ad024a08d4f66690778587c08b160ea1e007280d359408dfa1c237c3ac71c0d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad024a08d4f66690778587c08b160ea1e007280d359408dfa1c237c3ac71c0d0", kill_on_drop: false }`
[INFO] [stdout] ad024a08d4f66690778587c08b160ea1e007280d359408dfa1c237c3ac71c0d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dac1f96fa8536bb95c5868bbba15601cf15796647979ebbfbcae6c4c2d0db1f1
[INFO] running `Command { std: "docker" "start" "-a" "dac1f96fa8536bb95c5868bbba15601cf15796647979ebbfbcae6c4c2d0db1f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling palantiri v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/rpc.rs:694:13
[INFO] [stdout]     |
[INFO] [stdout] 694 |         let x = client.estimate_gas(&tx, None).await.unwrap();
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.12s
[INFO] running `Command { std: "docker" "inspect" "dac1f96fa8536bb95c5868bbba15601cf15796647979ebbfbcae6c4c2d0db1f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dac1f96fa8536bb95c5868bbba15601cf15796647979ebbfbcae6c4c2d0db1f1", kill_on_drop: false }`
[INFO] [stdout] dac1f96fa8536bb95c5868bbba15601cf15796647979ebbfbcae6c4c2d0db1f1
