[INFO] cloning repository https://github.com/Valentine-Mario/simple_container [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Valentine-Mario/simple_container" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FValentine-Mario%2Fsimple_container", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FValentine-Mario%2Fsimple_container'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 51fea9116ccef1dd97f2f9b34b635445c6a812f2 [INFO] checking Valentine-Mario/simple_container against master#42b384ec0dfcd528d99a4db0a337d9188a9eecaa for pr-147017-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FValentine-Mario%2Fsimple_container" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Valentine-Mario/simple_container [INFO] finished tweaking git repo https://github.com/Valentine-Mario/simple_container [INFO] tweaked toml for git repo https://github.com/Valentine-Mario/simple_container written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Valentine-Mario/simple_container on toolchain 42b384ec0dfcd528d99a4db0a337d9188a9eecaa [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+42b384ec0dfcd528d99a4db0a337d9188a9eecaa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Valentine-Mario/simple_container 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" "+42b384ec0dfcd528d99a4db0a337d9188a9eecaa" "fetch" "--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] Downloading crates ... [INFO] [stderr] Downloaded unicode-ident v1.0.3 [INFO] [stderr] Downloaded seccomp-sys v0.1.3 [INFO] [stderr] Downloaded strum_macros v0.21.1 [INFO] [stderr] Downloaded termcolor v1.1.3 [INFO] [stderr] Downloaded unicode-width v0.1.9 [INFO] [stderr] Downloaded lazy_static v1.4.0 [INFO] [stderr] Downloaded structopt-derive v0.4.18 [INFO] [stderr] Downloaded capctl v0.2.2 [INFO] [stderr] Downloaded cgroups-rs v0.2.11 [INFO] [stderr] Downloaded structopt v0.3.26 [INFO] [stderr] Downloaded cc v1.0.73 [INFO] [stderr] Downloaded syn v1.0.99 [INFO] [stderr] Downloaded getrandom v0.2.7 [INFO] [stderr] Downloaded memchr v2.5.0 [INFO] [stderr] Downloaded aho-corasick v0.7.19 [INFO] [stderr] Downloaded regex-syntax v0.6.27 [INFO] [stderr] Downloaded log v0.4.17 [INFO] [stderr] Downloaded quote v1.0.21 [INFO] [stderr] Downloaded winapi-util v0.1.5 [INFO] [stderr] Downloaded env_logger v0.9.0 [INFO] [stderr] Downloaded memoffset v0.6.5 [INFO] [stderr] Downloaded nix v0.24.3 [INFO] [stderr] Downloaded rlimit v0.6.2 [INFO] [stderr] Downloaded regex v1.6.0 [INFO] [stderr] Downloaded nix v0.22.3 [INFO] [stderr] Downloaded scan_fmt v0.2.6 [INFO] [stderr] Downloaded pkg-config v0.3.26 [INFO] [stderr] Downloaded strum v0.21.0 [INFO] [stderr] Downloaded unicode-segmentation v1.9.0 [INFO] [stderr] Downloaded proc-macro2 v1.0.43 [INFO] [stderr] Downloaded syscallz v0.16.1 [INFO] [stderr] Downloaded ppv-lite86 v0.2.16 [INFO] [stderr] Downloaded libc v0.2.132 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+42b384ec0dfcd528d99a4db0a337d9188a9eecaa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e0e8b39575a1ad06810160a5506872a4324ce8c6d0dc3b2c722bb85bab37ad05 [INFO] running `Command { std: "docker" "start" "-a" "e0e8b39575a1ad06810160a5506872a4324ce8c6d0dc3b2c722bb85bab37ad05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e0e8b39575a1ad06810160a5506872a4324ce8c6d0dc3b2c722bb85bab37ad05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0e8b39575a1ad06810160a5506872a4324ce8c6d0dc3b2c722bb85bab37ad05", kill_on_drop: false }` [INFO] [stdout] e0e8b39575a1ad06810160a5506872a4324ce8c6d0dc3b2c722bb85bab37ad05 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+42b384ec0dfcd528d99a4db0a337d9188a9eecaa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 38dbb39af5e303e84ebf23d8fac7f338251b99272f7ae30c5ec94f2da76a414b [INFO] running `Command { std: "docker" "start" "-a" "38dbb39af5e303e84ebf23d8fac7f338251b99272f7ae30c5ec94f2da76a414b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling seccomp-sys v0.1.3 [INFO] [stderr] Compiling pkg-config v0.3.26 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking aho-corasick v0.7.19 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling syscallz v0.16.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking strum v0.21.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking nix v0.24.3 [INFO] [stderr] Checking capctl v0.2.2 [INFO] [stderr] Checking rlimit v0.6.2 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking nix v0.22.3 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking cgroups-rs v0.2.11 [INFO] [stderr] Checking scan_fmt v0.2.6 [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stderr] Compiling strum_macros v0.21.1 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking crabcan v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:8:20 [INFO] [stdout] | [INFO] [stdout] 8 | ContainerError(u8), [INFO] [stdout] | -------------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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] 8 - ContainerError(u8), [INFO] [stdout] 8 + ContainerError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:9:23 [INFO] [stdout] | [INFO] [stdout] 9 | ChildProcessError(u8), [INFO] [stdout] | ----------------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 9 - ChildProcessError(u8), [INFO] [stdout] 9 + ChildProcessError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:10:18 [INFO] [stdout] | [INFO] [stdout] 10 | NotSupported(u8), [INFO] [stdout] | ------------ ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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 - NotSupported(u8), [INFO] [stdout] 10 + NotSupported(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:11:17 [INFO] [stdout] | [INFO] [stdout] 11 | SocketError(u8), [INFO] [stdout] | ----------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 11 - SocketError(u8), [INFO] [stdout] 11 + SocketError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:12:19 [INFO] [stdout] | [INFO] [stdout] 12 | HostnameError(u8), [INFO] [stdout] | ------------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 12 - HostnameError(u8), [INFO] [stdout] 12 + HostnameError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:14:17 [INFO] [stdout] | [INFO] [stdout] 14 | MountsError(u8), [INFO] [stdout] | ----------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 14 - MountsError(u8), [INFO] [stdout] 14 + MountsError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:15:21 [INFO] [stdout] | [INFO] [stdout] 15 | NamespacesError(u8), [INFO] [stdout] | --------------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 15 - NamespacesError(u8), [INFO] [stdout] 15 + NamespacesError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:16:23 [INFO] [stdout] | [INFO] [stdout] 16 | CapabilitiesError(u8), [INFO] [stdout] | ----------------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 16 - CapabilitiesError(u8), [INFO] [stdout] 16 + CapabilitiesError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:17:19 [INFO] [stdout] | [INFO] [stdout] 17 | SyscallsError(u8), [INFO] [stdout] | ------------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 17 - SyscallsError(u8), [INFO] [stdout] 17 + SyscallsError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:18:20 [INFO] [stdout] | [INFO] [stdout] 18 | ResourcesError(u8), [INFO] [stdout] | -------------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 18 - ResourcesError(u8), [INFO] [stdout] 18 + ResourcesError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:8:20 [INFO] [stdout] | [INFO] [stdout] 8 | ContainerError(u8), [INFO] [stdout] | -------------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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] 8 - ContainerError(u8), [INFO] [stdout] 8 + ContainerError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:9:23 [INFO] [stdout] | [INFO] [stdout] 9 | ChildProcessError(u8), [INFO] [stdout] | ----------------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 9 - ChildProcessError(u8), [INFO] [stdout] 9 + ChildProcessError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:10:18 [INFO] [stdout] | [INFO] [stdout] 10 | NotSupported(u8), [INFO] [stdout] | ------------ ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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 - NotSupported(u8), [INFO] [stdout] 10 + NotSupported(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:11:17 [INFO] [stdout] | [INFO] [stdout] 11 | SocketError(u8), [INFO] [stdout] | ----------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 11 - SocketError(u8), [INFO] [stdout] 11 + SocketError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:12:19 [INFO] [stdout] | [INFO] [stdout] 12 | HostnameError(u8), [INFO] [stdout] | ------------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 12 - HostnameError(u8), [INFO] [stdout] 12 + HostnameError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:14:17 [INFO] [stdout] | [INFO] [stdout] 14 | MountsError(u8), [INFO] [stdout] | ----------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 14 - MountsError(u8), [INFO] [stdout] 14 + MountsError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:15:21 [INFO] [stdout] | [INFO] [stdout] 15 | NamespacesError(u8), [INFO] [stdout] | --------------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 15 - NamespacesError(u8), [INFO] [stdout] 15 + NamespacesError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:16:23 [INFO] [stdout] | [INFO] [stdout] 16 | CapabilitiesError(u8), [INFO] [stdout] | ----------------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 16 - CapabilitiesError(u8), [INFO] [stdout] 16 + CapabilitiesError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:17:19 [INFO] [stdout] | [INFO] [stdout] 17 | SyscallsError(u8), [INFO] [stdout] | ------------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 17 - SyscallsError(u8), [INFO] [stdout] 17 + SyscallsError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/errors.rs:18:20 [INFO] [stdout] | [INFO] [stdout] 18 | ResourcesError(u8), [INFO] [stdout] | -------------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Errcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 18 - ResourcesError(u8), [INFO] [stdout] 18 + ResourcesError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.48s [INFO] running `Command { std: "docker" "inspect" "38dbb39af5e303e84ebf23d8fac7f338251b99272f7ae30c5ec94f2da76a414b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38dbb39af5e303e84ebf23d8fac7f338251b99272f7ae30c5ec94f2da76a414b", kill_on_drop: false }` [INFO] [stdout] 38dbb39af5e303e84ebf23d8fac7f338251b99272f7ae30c5ec94f2da76a414b