[INFO] fetching crate sputnikvm-callback 0.1.0...
[INFO] building sputnikvm-callback-0.1.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate sputnikvm-callback 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate sputnikvm-callback 0.1.0
[INFO] finished tweaking crates.io crate sputnikvm-callback 0.1.0
[INFO] tweaked toml for crates.io crate sputnikvm-callback 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sputnikvm-callback 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 38 packages to latest compatible versions
[INFO] [stderr]       Adding sputnikvm v0.7.8 (available: v0.10.1)
[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] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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 generic-array v0.8.4
[INFO] [stderr]   Downloaded fake-simd v0.1.2
[INFO] [stderr]   Downloaded block-buffer v0.2.0
[INFO] [stderr]   Downloaded nodrop v0.1.14
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[INFO] [stderr]   Downloaded byte-tools v0.2.0
[INFO] [stderr]   Downloaded rand v0.3.23
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[INFO] [stderr]   Downloaded fuchsia-cprng v0.1.1
[INFO] [stderr]   Downloaded rand_core v0.3.1
[INFO] [stderr]   Downloaded gcc v0.3.55
[INFO] [stderr]   Downloaded lazy_static v0.2.11
[INFO] [stderr]   Downloaded rand_core v0.4.2
[INFO] [stderr]   Downloaded rustc-serialize v0.3.25
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[INFO] [stderr]   Downloaded odds v0.2.26
[INFO] [stderr]   Downloaded etcommon-hexutil v0.2.4
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded sha3 v0.6.0
[INFO] [stderr]   Downloaded blockchain v0.2.0
[INFO] [stderr]   Downloaded etcommon-block v0.3.4
[INFO] [stderr]   Downloaded etcommon-rlp v0.2.5
[INFO] [stderr]   Downloaded sputnikvm v0.7.8
[INFO] [stderr]   Downloaded etcommon-trie v0.3.11
[INFO] [stderr]   Downloaded etcommon-block-core v0.1.0
[INFO] [stderr]   Downloaded elastic-array-plus v0.10.0
[INFO] [stderr]   Downloaded arrayvec v0.3.25
[INFO] [stderr]   Downloaded digest v0.6.1
[INFO] [stderr]   Downloaded secp256k1-plus v0.5.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d487b373e7948dfa9410b20a16697abec98df9a67fa5ea1c94dab6573d530b5c
[INFO] running `Command { std: "docker" "start" "-a" "d487b373e7948dfa9410b20a16697abec98df9a67fa5ea1c94dab6573d530b5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d487b373e7948dfa9410b20a16697abec98df9a67fa5ea1c94dab6573d530b5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d487b373e7948dfa9410b20a16697abec98df9a67fa5ea1c94dab6573d530b5c", kill_on_drop: false }`
[INFO] [stdout] d487b373e7948dfa9410b20a16697abec98df9a67fa5ea1c94dab6573d530b5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ab93d04b547265dfe2f4cc036df578394d6adc80ff462efabb3a2d7dc77afe0a
[INFO] running `Command { std: "docker" "start" "-a" "ab93d04b547265dfe2f4cc036df578394d6adc80ff462efabb3a2d7dc77afe0a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling etcommon-hexutil v0.2.4
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling elastic-array-plus v0.10.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling odds v0.2.26
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling blockchain v0.2.0
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling generic-array v0.8.4
[INFO] [stderr]    Compiling digest v0.6.1
[INFO] [stderr]    Compiling block-buffer v0.2.0
[INFO] [stderr]    Compiling arrayvec v0.3.25
[INFO] [stderr]    Compiling sha3 v0.6.0
[INFO] [stderr]    Compiling ripemd160 v0.6.0
[INFO] [stderr]    Compiling sha2 v0.6.0
[INFO] [stderr]    Compiling secp256k1-plus v0.5.7
[INFO] [stderr]    Compiling etcommon-rlp v0.2.5
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling etcommon-bigint v0.2.10
[INFO] [stderr]    Compiling etcommon-bloom v0.2.1
[INFO] [stderr]    Compiling etcommon-block-core v0.1.0
[INFO] [stderr]    Compiling etcommon-trie v0.3.11
[INFO] [stderr]    Compiling etcommon-block v0.3.4
[INFO] [stderr]    Compiling sputnikvm v0.7.8
[INFO] [stderr]    Compiling sputnikvm-callback v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn balance(&self, Address) -> U256;
[INFO] [stdout]    |                       ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[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 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) 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/lib.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn nonce(&self, Address) -> U256;
[INFO] [stdout]    |                     ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[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 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn code(&self, Address) -> Vec<u8>;
[INFO] [stdout]    |                    ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[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 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn storage(&self, Address, U256) -> M256;
[INFO] [stdout]    |                       ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[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 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn storage(&self, Address, U256) -> M256;
[INFO] [stdout]    |                                ^^^^ help: try naming the parameter or explicitly ignoring it: `_: U256`
[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 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn exists(&self, Address) -> bool;
[INFO] [stdout]    |                      ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[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 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:15:25
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn blockhash(&self, U256) -> H256;
[INFO] [stdout]    |                         ^^^^ help: try naming the parameter or explicitly ignoring it: `_: U256`
[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 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:75:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn accounts(&self) -> Values<Address, AccountChange> {
[INFO] [stdout]    |                     ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn accounts(&self) -> Values<'_, Address, AccountChange> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.83s
[INFO] running `Command { std: "docker" "inspect" "ab93d04b547265dfe2f4cc036df578394d6adc80ff462efabb3a2d7dc77afe0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab93d04b547265dfe2f4cc036df578394d6adc80ff462efabb3a2d7dc77afe0a", kill_on_drop: false }`
[INFO] [stdout] ab93d04b547265dfe2f4cc036df578394d6adc80ff462efabb3a2d7dc77afe0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8116c208598b5822e1b6b4101bf673ff69d8d6f47a6cbcd4b0e75a154e51c4df
[INFO] running `Command { std: "docker" "start" "-a" "8116c208598b5822e1b6b4101bf673ff69d8d6f47a6cbcd4b0e75a154e51c4df", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn balance(&self, Address) -> U256;
[INFO] [stdout]    |                       ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[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 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) 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/lib.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn nonce(&self, Address) -> U256;
[INFO] [stdout]    |                     ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[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 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn code(&self, Address) -> Vec<u8>;
[INFO] [stdout]    |                    ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[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 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn storage(&self, Address, U256) -> M256;
[INFO] [stdout]    |                       ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[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 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn storage(&self, Address, U256) -> M256;
[INFO] [stdout]    |                                ^^^^ help: try naming the parameter or explicitly ignoring it: `_: U256`
[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 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn exists(&self, Address) -> bool;
[INFO] [stdout]    |                      ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[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 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:15:25
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn blockhash(&self, U256) -> H256;
[INFO] [stdout]    |                         ^^^^ help: try naming the parameter or explicitly ignoring it: `_: U256`
[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 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:75:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn accounts(&self) -> Values<Address, AccountChange> {
[INFO] [stdout]    |                     ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn accounts(&self) -> Values<'_, Address, AccountChange> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sputnikvm-callback v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn balance(&self, Address) -> U256;
[INFO] [stdout]    |                       ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[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 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) 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/lib.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn nonce(&self, Address) -> U256;
[INFO] [stdout]    |                     ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[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 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn code(&self, Address) -> Vec<u8>;
[INFO] [stdout]    |                    ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[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 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn storage(&self, Address, U256) -> M256;
[INFO] [stdout]    |                       ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[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 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn storage(&self, Address, U256) -> M256;
[INFO] [stdout]    |                                ^^^^ help: try naming the parameter or explicitly ignoring it: `_: U256`
[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 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn exists(&self, Address) -> bool;
[INFO] [stdout]    |                      ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[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 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:15:25
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn blockhash(&self, U256) -> H256;
[INFO] [stdout]    |                         ^^^^ help: try naming the parameter or explicitly ignoring it: `_: U256`
[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 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:75:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn accounts(&self) -> Values<Address, AccountChange> {
[INFO] [stdout]    |                     ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn accounts(&self) -> Values<'_, Address, AccountChange> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "8116c208598b5822e1b6b4101bf673ff69d8d6f47a6cbcd4b0e75a154e51c4df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8116c208598b5822e1b6b4101bf673ff69d8d6f47a6cbcd4b0e75a154e51c4df", kill_on_drop: false }`
[INFO] [stdout] 8116c208598b5822e1b6b4101bf673ff69d8d6f47a6cbcd4b0e75a154e51c4df
