[INFO] fetching crate mcatool 0.2.1... [INFO] checking mcatool-0.2.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate mcatool 0.2.1 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate mcatool 0.2.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mcatool 0.2.1 [INFO] finished tweaking crates.io crate mcatool 0.2.1 [INFO] tweaked toml for crates.io crate mcatool 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate mcatool 0.2.1 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded fs_extra v1.2.0 [INFO] [stderr] Downloaded serde_bytes v0.11.6 [INFO] [stderr] Downloaded fastnbt v2.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2536ac7756fedbce20ea5e4546790911545a8acedfe95daf2e603b47aa7b6643 [INFO] running `Command { std: "docker" "start" "-a" "2536ac7756fedbce20ea5e4546790911545a8acedfe95daf2e603b47aa7b6643", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2536ac7756fedbce20ea5e4546790911545a8acedfe95daf2e603b47aa7b6643", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2536ac7756fedbce20ea5e4546790911545a8acedfe95daf2e603b47aa7b6643", kill_on_drop: false }` [INFO] [stdout] 2536ac7756fedbce20ea5e4546790911545a8acedfe95daf2e603b47aa7b6643 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0a13efa18a9ec29ef089f9880f82869c400f21ebbae56fbf1903baaa1281c18d [INFO] running `Command { std: "docker" "start" "-a" "0a13efa18a9ec29ef089f9880f82869c400f21ebbae56fbf1903baaa1281c18d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.95 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Compiling libc v0.2.117 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking cesu8 v1.1.0 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Checking miniz_oxide v0.5.3 [INFO] [stderr] Checking fs_extra v1.2.0 [INFO] [stderr] Checking clap_lex v0.2.0 [INFO] [stderr] Checking flate2 v1.0.24 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking clap v3.1.18 [INFO] [stderr] Checking serde_bytes v0.11.6 [INFO] [stderr] Checking fastnbt v2.1.0 [INFO] [stderr] Checking mcatool v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | IoError(io::Error), [INFO] [stdout] | ------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 6 | IoError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | FsError(fs_extra::error::Error), [INFO] [stdout] | ------- ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 7 | FsError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:8:21 [INFO] [stdout] | [INFO] [stdout] 8 | AnvilParseError(&'static str), [INFO] [stdout] | --------------- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 8 | AnvilParseError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:10:21 [INFO] [stdout] | [INFO] [stdout] 10 | AnvilWriteError(&'static str), [INFO] [stdout] | --------------- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 10 | AnvilWriteError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | IoError(io::Error), [INFO] [stdout] | ------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 6 | IoError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | FsError(fs_extra::error::Error), [INFO] [stdout] | ------- ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 7 | FsError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:8:21 [INFO] [stdout] | [INFO] [stdout] 8 | AnvilParseError(&'static str), [INFO] [stdout] | --------------- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 8 | AnvilParseError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:10:21 [INFO] [stdout] | [INFO] [stdout] 10 | AnvilWriteError(&'static str), [INFO] [stdout] | --------------- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 10 | AnvilWriteError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.59s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.2.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6` [INFO] running `Command { std: "docker" "inspect" "0a13efa18a9ec29ef089f9880f82869c400f21ebbae56fbf1903baaa1281c18d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a13efa18a9ec29ef089f9880f82869c400f21ebbae56fbf1903baaa1281c18d", kill_on_drop: false }` [INFO] [stdout] 0a13efa18a9ec29ef089f9880f82869c400f21ebbae56fbf1903baaa1281c18d [INFO] checking mcatool-0.2.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate mcatool 0.2.1 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate mcatool 0.2.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mcatool 0.2.1 [INFO] finished tweaking crates.io crate mcatool 0.2.1 [INFO] tweaked toml for crates.io crate mcatool 0.2.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate mcatool 0.2.1 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8c610b14ef6e2046b37fd07cde297af0e21f8e94376c42a88eb2e07955cd8445 [INFO] running `Command { std: "docker" "start" "-a" "8c610b14ef6e2046b37fd07cde297af0e21f8e94376c42a88eb2e07955cd8445", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8c610b14ef6e2046b37fd07cde297af0e21f8e94376c42a88eb2e07955cd8445", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c610b14ef6e2046b37fd07cde297af0e21f8e94376c42a88eb2e07955cd8445", kill_on_drop: false }` [INFO] [stdout] 8c610b14ef6e2046b37fd07cde297af0e21f8e94376c42a88eb2e07955cd8445 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cba0d25cce31f5fc2da496af5ffd83b2928f8bc85cc7494f9d07783b99d73bcd [INFO] running `Command { std: "docker" "start" "-a" "cba0d25cce31f5fc2da496af5ffd83b2928f8bc85cc7494f9d07783b99d73bcd", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.95 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Compiling libc v0.2.117 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking cesu8 v1.1.0 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Checking miniz_oxide v0.5.3 [INFO] [stderr] Checking fs_extra v1.2.0 [INFO] [stderr] Checking clap_lex v0.2.0 [INFO] [stderr] Checking flate2 v1.0.24 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking clap v3.1.18 [INFO] [stderr] Checking serde_bytes v0.11.6 [INFO] [stderr] Checking fastnbt v2.1.0 [INFO] [stderr] Checking mcatool v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | IoError(io::Error), [INFO] [stdout] | ------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 6 | IoError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | IoError(io::Error), [INFO] [stdout] | ------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 6 | IoError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | FsError(fs_extra::error::Error), [INFO] [stdout] | ------- ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 7 | FsError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | FsError(fs_extra::error::Error), [INFO] [stdout] | ------- ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 7 | FsError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:8:21 [INFO] [stdout] | [INFO] [stdout] 8 | AnvilParseError(&'static str), [INFO] [stdout] | --------------- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 8 | AnvilParseError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:8:21 [INFO] [stdout] | [INFO] [stdout] 8 | AnvilParseError(&'static str), [INFO] [stdout] | --------------- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 8 | AnvilParseError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:10:21 [INFO] [stdout] | [INFO] [stdout] 10 | AnvilWriteError(&'static str), [INFO] [stdout] | --------------- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 10 | AnvilWriteError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:10:21 [INFO] [stdout] | [INFO] [stdout] 10 | AnvilWriteError(&'static str), [INFO] [stdout] | --------------- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 10 | AnvilWriteError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.31s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.2.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] running `Command { std: "docker" "inspect" "cba0d25cce31f5fc2da496af5ffd83b2928f8bc85cc7494f9d07783b99d73bcd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cba0d25cce31f5fc2da496af5ffd83b2928f8bc85cc7494f9d07783b99d73bcd", kill_on_drop: false }` [INFO] [stdout] cba0d25cce31f5fc2da496af5ffd83b2928f8bc85cc7494f9d07783b99d73bcd