[INFO] fetching crate rsd 0.1.0...
[INFO] testing rsd-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rsd 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rsd 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rsd 0.1.0
[INFO] finished tweaking crates.io crate rsd 0.1.0
[INFO] tweaked toml for crates.io crate rsd 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c38c16a42c49ecd37d2d7af675ee7c0b478c187b31def4b158d083f29db90cff
[INFO] running `Command { std: "docker" "start" "-a" "c38c16a42c49ecd37d2d7af675ee7c0b478c187b31def4b158d083f29db90cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c38c16a42c49ecd37d2d7af675ee7c0b478c187b31def4b158d083f29db90cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c38c16a42c49ecd37d2d7af675ee7c0b478c187b31def4b158d083f29db90cff", kill_on_drop: false }`
[INFO] [stdout] c38c16a42c49ecd37d2d7af675ee7c0b478c187b31def4b158d083f29db90cff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc35695390cd0263573ffc0405513a6ba467346ae390441044ee16fd6d609a72
[INFO] running `Command { std: "docker" "start" "-a" "dc35695390cd0263573ffc0405513a6ba467346ae390441044ee16fd6d609a72", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling cryptoxide v0.1.3
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling sp800-185 v0.2.0
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling blake2 v0.8.1
[INFO] [stderr]    Compiling rsd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/net/types.rs:29:22
[INFO] [stdout]    |
[INFO] [stdout] 29 | const NETWORK: u64 = (1 << 0);
[INFO] [stdout]    |                      ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/net/types.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 | const BLOOM: u64 = (1 << 1);
[INFO] [stdout]    |                    ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/types/amount.rs:89:32
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/types/amount.rs:189:20
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 '0'...'9' => {
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/types/amount.rs:274:40
[INFO] [stdout]     |
[INFO] [stdout] 274 |     pub fn fmt_value_in(&self, f: &mut fmt::Write, denom: Denomination) -> fmt::Result {
[INFO] [stdout]     |                                        ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/types/uint.rs:610:10
[INFO] [stdout]     |
[INFO] [stdout] 610 |         <fmt::Debug>::fmt(self, f)
[INFO] [stdout]     |          ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Debug`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/types/amount.rs:79:41
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let desc = ::std::error::Error::description(self);
[INFO] [stdout]    |                                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/types/uint.rs:610:10
[INFO] [stdout]     |
[INFO] [stdout] 610 |         <fmt::Debug>::fmt(self, f)
[INFO] [stdout]     |          ^^^^^^^^^^ help: use `dyn`: `<dyn fmt::Debug>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `network`
[INFO] [stdout]  --> src/blockchain/chain.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     network: Network,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `network`
[INFO] [stdout]  --> src/net/pool.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     network: Network,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `chain`
[INFO] [stdout]  --> src/net/pool.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     chain: Chain,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `address`
[INFO] [stdout]  --> src/net/types.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     address: SocketAddr,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `services`
[INFO] [stdout]  --> src/net/types.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     services: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `time`
[INFO] [stdout]   --> src/net/types.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     time: SystemTime,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `key`
[INFO] [stdout]   --> src/net/types.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     key: IdentityKey,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.57s
[INFO] running `Command { std: "docker" "inspect" "dc35695390cd0263573ffc0405513a6ba467346ae390441044ee16fd6d609a72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc35695390cd0263573ffc0405513a6ba467346ae390441044ee16fd6d609a72", kill_on_drop: false }`
[INFO] [stdout] dc35695390cd0263573ffc0405513a6ba467346ae390441044ee16fd6d609a72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3295e216405e2e2238fa142590ed9739e0e021efdc26f7c8bad8d698eb886626
[INFO] running `Command { std: "docker" "start" "-a" "3295e216405e2e2238fa142590ed9739e0e021efdc26f7c8bad8d698eb886626", kill_on_drop: false }`
[INFO] [stderr]    Compiling rsd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/net/types.rs:29:22
[INFO] [stdout]    |
[INFO] [stdout] 29 | const NETWORK: u64 = (1 << 0);
[INFO] [stdout]    |                      ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/net/types.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 | const BLOOM: u64 = (1 << 1);
[INFO] [stdout]    |                    ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/types/amount.rs:89:32
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/types/amount.rs:189:20
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 '0'...'9' => {
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/types/amount.rs:274:40
[INFO] [stdout]     |
[INFO] [stdout] 274 |     pub fn fmt_value_in(&self, f: &mut fmt::Write, denom: Denomination) -> fmt::Result {
[INFO] [stdout]     |                                        ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/types/uint.rs:610:10
[INFO] [stdout]     |
[INFO] [stdout] 610 |         <fmt::Debug>::fmt(self, f)
[INFO] [stdout]     |          ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Debug`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/types/amount.rs:79:41
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let desc = ::std::error::Error::description(self);
[INFO] [stdout]    |                                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/types/uint.rs:610:10
[INFO] [stdout]     |
[INFO] [stdout] 610 |         <fmt::Debug>::fmt(self, f)
[INFO] [stdout]     |          ^^^^^^^^^^ help: use `dyn`: `<dyn fmt::Debug>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `network`
[INFO] [stdout]  --> src/blockchain/chain.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     network: Network,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `network`
[INFO] [stdout]  --> src/net/pool.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     network: Network,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `chain`
[INFO] [stdout]  --> src/net/pool.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     chain: Chain,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `address`
[INFO] [stdout]  --> src/net/types.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     address: SocketAddr,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `services`
[INFO] [stdout]  --> src/net/types.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     services: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `time`
[INFO] [stdout]   --> src/net/types.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     time: SystemTime,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `key`
[INFO] [stdout]   --> src/net/types.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     key: IdentityKey,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/net/types.rs:29:22
[INFO] [stdout]    |
[INFO] [stdout] 29 | const NETWORK: u64 = (1 << 0);
[INFO] [stdout]    |                      ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/net/types.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 | const BLOOM: u64 = (1 << 1);
[INFO] [stdout]    |                    ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/types/amount.rs:89:32
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/types/amount.rs:189:20
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 '0'...'9' => {
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/types/amount.rs:274:40
[INFO] [stdout]     |
[INFO] [stdout] 274 |     pub fn fmt_value_in(&self, f: &mut fmt::Write, denom: Denomination) -> fmt::Result {
[INFO] [stdout]     |                                        ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/types/uint.rs:610:10
[INFO] [stdout]     |
[INFO] [stdout] 610 |         <fmt::Debug>::fmt(self, f)
[INFO] [stdout]     |          ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Debug`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/types/amount.rs:79:41
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let desc = ::std::error::Error::description(self);
[INFO] [stdout]    |                                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/types/uint.rs:610:10
[INFO] [stdout]     |
[INFO] [stdout] 610 |         <fmt::Debug>::fmt(self, f)
[INFO] [stdout]     |          ^^^^^^^^^^ help: use `dyn`: `<dyn fmt::Debug>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `network`
[INFO] [stdout]  --> src/blockchain/chain.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     network: Network,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `network`
[INFO] [stdout]  --> src/net/pool.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     network: Network,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `chain`
[INFO] [stdout]  --> src/net/pool.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     chain: Chain,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `address`
[INFO] [stdout]  --> src/net/types.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     address: SocketAddr,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `services`
[INFO] [stdout]  --> src/net/types.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     services: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `time`
[INFO] [stdout]   --> src/net/types.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     time: SystemTime,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `key`
[INFO] [stdout]   --> src/net/types.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     key: IdentityKey,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "3295e216405e2e2238fa142590ed9739e0e021efdc26f7c8bad8d698eb886626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3295e216405e2e2238fa142590ed9739e0e021efdc26f7c8bad8d698eb886626", kill_on_drop: false }`
[INFO] [stdout] 3295e216405e2e2238fa142590ed9739e0e021efdc26f7c8bad8d698eb886626
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b1d3638831a9a939de1cad7d9278e4b6b134b51c9624c8b25c346f6f90bbf67
[INFO] running `Command { std: "docker" "start" "-a" "7b1d3638831a9a939de1cad7d9278e4b6b134b51c9624c8b25c346f6f90bbf67", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/net/types.rs:29:22
[INFO] [stderr]    |
[INFO] [stderr] 29 | const NETWORK: u64 = (1 << 0);
[INFO] [stderr]    |                      ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/net/types.rs:30:20
[INFO] [stderr]    |
[INFO] [stderr] 30 | const BLOOM: u64 = (1 << 1);
[INFO] [stderr]    |                    ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types/amount.rs:89:32
[INFO] [stderr]    |
[INFO] [stderr] 89 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/types/amount.rs:189:20
[INFO] [stderr]     |
[INFO] [stderr] 189 |                 '0'...'9' => {
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/types/amount.rs:274:40
[INFO] [stderr]     |
[INFO] [stderr] 274 |     pub fn fmt_value_in(&self, f: &mut fmt::Write, denom: Denomination) -> fmt::Result {
[INFO] [stderr]     |                                        ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/types/uint.rs:610:10
[INFO] [stderr]     |
[INFO] [stderr] 610 |         <fmt::Debug>::fmt(self, f)
[INFO] [stderr]     |          ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Debug`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/types/amount.rs:79:41
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let desc = ::std::error::Error::description(self);
[INFO] [stderr]    |                                         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/types/uint.rs:610:10
[INFO] [stderr]     |
[INFO] [stderr] 610 |         <fmt::Debug>::fmt(self, f)
[INFO] [stderr]     |          ^^^^^^^^^^ help: use `dyn`: `<dyn fmt::Debug>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `network`
[INFO] [stderr]  --> src/blockchain/chain.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     network: Network,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `network`
[INFO] [stderr]  --> src/net/pool.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     network: Network,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `chain`
[INFO] [stderr]  --> src/net/pool.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     chain: Chain,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `address`
[INFO] [stderr]  --> src/net/types.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     address: SocketAddr,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `services`
[INFO] [stderr]  --> src/net/types.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     services: u32,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `time`
[INFO] [stderr]   --> src/net/types.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     time: SystemTime,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `key`
[INFO] [stderr]   --> src/net/types.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     key: IdentityKey,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rsd` (lib) generated 15 warnings
[INFO] [stderr] warning: `rsd` (lib test) generated 15 warnings (15 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rsd-9911725ac70937de)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test primitives::covenant::tests::test_covenant_is_name ... ok
[INFO] [stdout] test primitives::headers::tests::test_block_header_hex ... ok
[INFO] [stdout] test primitives::headers::tests::test_check_header_pow ... ok
[INFO] [stdout] test primitives::headers::tests::test_block_header_hash ... ok
[INFO] [stdout] test types::amount::tests::test_denomination_from_string ... ok
[INFO] [stdout] test primitives::headers::tests::test_block_header_hex_default ... ok
[INFO] [stdout] test primitives::headers::tests::test_headers_verify_pow_2 ... ok
[INFO] [stdout] test types::buffer::tests::test_into_hex ... ok
[INFO] [stdout] test types::buffer::tests::test_write_u32 ... ok
[INFO] [stdout] test types::buffer::tests::test_write_hash ... ok
[INFO] [stdout] test types::buffer::tests::test_to_hex ... ok
[INFO] [stdout] test types::uint::tests::mul_u32_test ... ok
[INFO] [stdout] test types::uint::tests::uint256_bits_test ... ok
[INFO] [stdout] test types::uint::tests::uint256_display_test ... ok
[INFO] [stdout] test types::uint::tests::uint256_comp_test ... ok
[INFO] [stdout] test types::uint::tests::uint256_bitslice_test ... ok
[INFO] [stderr]    Doc-tests rsd
[INFO] [stdout] test types::uint::tests::multiplication_test ... ok
[INFO] [stdout] test types::uint::tests::uint256_extreme_bitshift_test ... ok
[INFO] [stdout] test types::uint::tests::uint256_arithmetic_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stdout] 
[INFO] [stderr]   --> /opt/rustwide/workdir/src/net/types.rs:29:22
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 29 | const NETWORK: u64 = (1 << 0);
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |                      ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/net/types.rs:30:20
[INFO] [stderr]    |
[INFO] [stderr] 30 | const BLOOM: u64 = (1 << 1);
[INFO] [stderr]    |                    ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/types/amount.rs:189:20
[INFO] [stderr]     |
[INFO] [stderr] 189 |                 '0'...'9' => {
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "7b1d3638831a9a939de1cad7d9278e4b6b134b51c9624c8b25c346f6f90bbf67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b1d3638831a9a939de1cad7d9278e4b6b134b51c9624c8b25c346f6f90bbf67", kill_on_drop: false }`
[INFO] [stdout] 7b1d3638831a9a939de1cad7d9278e4b6b134b51c9624c8b25c346f6f90bbf67