[INFO] fetching crate ethereum-rlp 0.2.3... [INFO] documenting ethereum-rlp-0.2.3 against beta-2022-05-20 for beta-1.62-rustdoc-1 [INFO] extracting crate ethereum-rlp 0.2.3 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate ethereum-rlp 0.2.3 on toolchain beta-2022-05-20 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ethereum-rlp 0.2.3 [INFO] finished tweaking crates.io crate ethereum-rlp 0.2.3 [INFO] tweaked toml for crates.io crate ethereum-rlp 0.2.3 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7d7a75de0b146d90799bf7573b14772c4d4cecdcaaf1aa1901d1b9d958fa72e0 [INFO] running `Command { std: "docker" "start" "-a" "7d7a75de0b146d90799bf7573b14772c4d4cecdcaaf1aa1901d1b9d958fa72e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7d7a75de0b146d90799bf7573b14772c4d4cecdcaaf1aa1901d1b9d958fa72e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d7a75de0b146d90799bf7573b14772c4d4cecdcaaf1aa1901d1b9d958fa72e0", kill_on_drop: false }` [INFO] [stdout] 7d7a75de0b146d90799bf7573b14772c4d4cecdcaaf1aa1901d1b9d958fa72e0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ab8e9f61192016634c0b5cc59d648629c0d934db96b5ed721d9d3b2df0a62cc6 [INFO] running `Command { std: "docker" "start" "-a" "ab8e9f61192016634c0b5cc59d648629c0d934db96b5ed721d9d3b2df0a62cc6", kill_on_drop: false }` [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking ethereum-hexutil v0.2.3 [INFO] [stderr] Checking elastic-array-plus v0.9.1 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Documenting ethereum-rlp v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/untrusted_rlp.rs:82:10 [INFO] [stdout] | [INFO] [stdout] 82 | Some(0...0x7f) => Ok(PayloadInfo::new(0, 1)), [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 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/untrusted_rlp.rs:83:17 [INFO] [stdout] | [INFO] [stdout] 83 | Some(l @ 0x80...0xb7) => Ok(PayloadInfo::new(1, l as usize - 0x80)), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/untrusted_rlp.rs:84:17 [INFO] [stdout] | [INFO] [stdout] 84 | Some(l @ 0xb8...0xbf) => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/untrusted_rlp.rs:88:17 [INFO] [stdout] | [INFO] [stdout] 88 | Some(l @ 0xc0...0xf7) => Ok(PayloadInfo::new(1, l as usize - 0xc0)), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/untrusted_rlp.rs:89:17 [INFO] [stdout] | [INFO] [stdout] 89 | Some(l @ 0xf8...0xff) => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/untrusted_rlp.rs:241:5 [INFO] [stdout] | [INFO] [stdout] 241 | 0...0x80 => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/untrusted_rlp.rs:242:8 [INFO] [stdout] | [INFO] [stdout] 242 | 0x81...0xb7 => self.bytes[1] != 0, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/untrusted_rlp.rs:243:12 [INFO] [stdout] | [INFO] [stdout] 243 | b @ 0xb8...0xbf => self.bytes[1 + b as usize - 0xb7] != 0, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/untrusted_rlp.rs:284:43 [INFO] [stdout] | [INFO] [stdout] 284 | result = UntrustedRlp::consume(result, (i.header_len + i.value_len))?; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 284 - result = UntrustedRlp::consume(result, (i.header_len + i.value_len))?; [INFO] [stdout] 284 + result = UntrustedRlp::consume(result, i.header_len + i.value_len)?; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/untrusted_rlp.rs:357:14 [INFO] [stdout] | [INFO] [stdout] 357 | Some(l @ 0...0x7f) => Ok(f(&[l])?), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/untrusted_rlp.rs:359:17 [INFO] [stdout] | [INFO] [stdout] 359 | Some(l @ 0x80...0xb7) => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/untrusted_rlp.rs:371:17 [INFO] [stdout] | [INFO] [stdout] 371 | Some(l @ 0xb8...0xbf) => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/stream.rs:354:5 [INFO] [stdout] | [INFO] [stdout] 354 | 0...55 => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/stream.rs:372:12 [INFO] [stdout] | [INFO] [stdout] 372 | len @ 1 ... 55 => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.83s [INFO] running `Command { std: "docker" "inspect" "ab8e9f61192016634c0b5cc59d648629c0d934db96b5ed721d9d3b2df0a62cc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab8e9f61192016634c0b5cc59d648629c0d934db96b5ed721d9d3b2df0a62cc6", kill_on_drop: false }` [INFO] [stdout] ab8e9f61192016634c0b5cc59d648629c0d934db96b5ed721d9d3b2df0a62cc6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5a75459a0854f60b79e009a1af689d29085b9b6cfc2f174e629afd64e79a6b8d [INFO] running `Command { std: "docker" "start" "-a" "5a75459a0854f60b79e009a1af689d29085b9b6cfc2f174e629afd64e79a6b8d", kill_on_drop: false }` [INFO] [stderr] Checking ethereum-hexutil v0.2.3 [INFO] [stderr] Checking elastic-array-plus v0.9.1 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Documenting ethereum-rlp v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/untrusted_rlp.rs:82:10 [INFO] [stdout] | [INFO] [stdout] 82 | Some(0...0x7f) => Ok(PayloadInfo::new(0, 1)), [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 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/untrusted_rlp.rs:83:17 [INFO] [stdout] | [INFO] [stdout] 83 | Some(l @ 0x80...0xb7) => Ok(PayloadInfo::new(1, l as usize - 0x80)), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/untrusted_rlp.rs:84:17 [INFO] [stdout] | [INFO] [stdout] 84 | Some(l @ 0xb8...0xbf) => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/untrusted_rlp.rs:88:17 [INFO] [stdout] | [INFO] [stdout] 88 | Some(l @ 0xc0...0xf7) => Ok(PayloadInfo::new(1, l as usize - 0xc0)), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/untrusted_rlp.rs:89:17 [INFO] [stdout] | [INFO] [stdout] 89 | Some(l @ 0xf8...0xff) => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/untrusted_rlp.rs:241:5 [INFO] [stdout] | [INFO] [stdout] 241 | 0...0x80 => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/untrusted_rlp.rs:242:8 [INFO] [stdout] | [INFO] [stdout] 242 | 0x81...0xb7 => self.bytes[1] != 0, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/untrusted_rlp.rs:243:12 [INFO] [stdout] | [INFO] [stdout] 243 | b @ 0xb8...0xbf => self.bytes[1 + b as usize - 0xb7] != 0, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/untrusted_rlp.rs:284:43 [INFO] [stdout] | [INFO] [stdout] 284 | result = UntrustedRlp::consume(result, (i.header_len + i.value_len))?; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 284 - result = UntrustedRlp::consume(result, (i.header_len + i.value_len))?; [INFO] [stdout] 284 + result = UntrustedRlp::consume(result, i.header_len + i.value_len)?; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/untrusted_rlp.rs:357:14 [INFO] [stdout] | [INFO] [stdout] 357 | Some(l @ 0...0x7f) => Ok(f(&[l])?), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/untrusted_rlp.rs:359:17 [INFO] [stdout] | [INFO] [stdout] 359 | Some(l @ 0x80...0xb7) => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/untrusted_rlp.rs:371:17 [INFO] [stdout] | [INFO] [stdout] 371 | Some(l @ 0xb8...0xbf) => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/stream.rs:354:5 [INFO] [stdout] | [INFO] [stdout] 354 | 0...55 => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/stream.rs:372:12 [INFO] [stdout] | [INFO] [stdout] 372 | len @ 1 ... 55 => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.37s [INFO] running `Command { std: "docker" "inspect" "5a75459a0854f60b79e009a1af689d29085b9b6cfc2f174e629afd64e79a6b8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a75459a0854f60b79e009a1af689d29085b9b6cfc2f174e629afd64e79a6b8d", kill_on_drop: false }` [INFO] [stdout] 5a75459a0854f60b79e009a1af689d29085b9b6cfc2f174e629afd64e79a6b8d