[INFO] fetching crate siderophile 0.2.1...
[INFO] checking siderophile-0.2.1 against master#bad50269f8eb0fda214f0478c3afb2c6fbb427fd for pr-149195-1
[INFO] extracting crate siderophile 0.2.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate siderophile 0.2.1
[INFO] finished tweaking crates.io crate siderophile 0.2.1
[INFO] tweaked toml for crates.io crate siderophile 0.2.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate siderophile 0.2.1 on toolchain bad50269f8eb0fda214f0478c3afb2c6fbb427fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bad50269f8eb0fda214f0478c3afb2c6fbb427fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate siderophile 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" "+bad50269f8eb0fda214f0478c3afb2c6fbb427fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+bad50269f8eb0fda214f0478c3afb2c6fbb427fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/trawl_source/mod.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Walkdir(walkdir::Error),
[INFO] [stdout]    |     ------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RsResolveError` 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] 28 -     Walkdir(walkdir::Error),
[INFO] [stdout] 28 +     Walkdir(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/trawl_source/mod.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Io(io::Error, PathBuf),
[INFO] [stdout]    |     -- ^^^^^^^^^  ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RsResolveError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 31 -     Io(io::Error, PathBuf),
[INFO] [stdout] 31 +     Io((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/trawl_source/mod.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Cargo(String),
[INFO] [stdout]    |     ----- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RsResolveError` 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] 35 -     Cargo(String),
[INFO] [stdout] 35 +     Cargo(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/trawl_source/mod.rs:42:23
[INFO] [stdout]    |
[INFO] [stdout] 42 |     InnerContextMutex(String),
[INFO] [stdout]    |     ----------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RsResolveError` 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] 42 -     InnerContextMutex(String),
[INFO] [stdout] 42 +     InnerContextMutex(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/trawl_source/mod.rs:45:14
[INFO] [stdout]    |
[INFO] [stdout] 45 |     DepParse(String, PathBuf),
[INFO] [stdout]    |     -------- ^^^^^^  ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RsResolveError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 45 -     DepParse(String, PathBuf),
[INFO] [stdout] 45 +     DepParse((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/trawl_source/mod.rs:374:22
[INFO] [stdout]     |
[INFO] [stdout] 374 |     OutDirKeyMissing(String),
[INFO] [stdout]     |     ---------------- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CustomExecutorError` 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] 374 -     OutDirKeyMissing(String),
[INFO] [stdout] 374 +     OutDirKeyMissing(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/trawl_source/mod.rs:375:24
[INFO] [stdout]     |
[INFO] [stdout] 375 |     OutDirValueMissing(String),
[INFO] [stdout]     |     ------------------ ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CustomExecutorError` 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] 375 -     OutDirValueMissing(String),
[INFO] [stdout] 375 +     OutDirValueMissing(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/trawl_source/mod.rs:376:23
[INFO] [stdout]     |
[INFO] [stdout] 376 |     InnerContextMutex(String),
[INFO] [stdout]     |     ----------------- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CustomExecutorError` 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] 376 -     InnerContextMutex(String),
[INFO] [stdout] 376 +     InnerContextMutex(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> src/trawl_source/mod.rs:377:8
[INFO] [stdout]     |
[INFO] [stdout] 377 |     Io(io::Error, PathBuf),
[INFO] [stdout]     |     -- ^^^^^^^^^  ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CustomExecutorError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 377 -     Io(io::Error, PathBuf),
[INFO] [stdout] 377 +     Io((), ()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/trawl_source/ast_walker.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Io(io::Error, PathBuf),
[INFO] [stdout]    |     -- ^^^^^^^^^  ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ScanFileError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 24 -     Io(io::Error, PathBuf),
[INFO] [stdout] 24 +     Io((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/trawl_source/ast_walker.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Utf8(FromUtf8Error, PathBuf),
[INFO] [stdout]    |     ---- ^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ScanFileError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 25 -     Utf8(FromUtf8Error, PathBuf),
[INFO] [stdout] 25 +     Utf8((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/trawl_source/ast_walker.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Syn(syn::Error, PathBuf),
[INFO] [stdout]    |     --- ^^^^^^^^^^  ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ScanFileError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 26 -     Syn(syn::Error, PathBuf),
[INFO] [stdout] 26 +     Syn((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/trawl_source/mod.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Walkdir(walkdir::Error),
[INFO] [stdout]    |     ------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RsResolveError` 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] 28 -     Walkdir(walkdir::Error),
[INFO] [stdout] 28 +     Walkdir(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/trawl_source/mod.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Io(io::Error, PathBuf),
[INFO] [stdout]    |     -- ^^^^^^^^^  ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RsResolveError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 31 -     Io(io::Error, PathBuf),
[INFO] [stdout] 31 +     Io((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/trawl_source/mod.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Cargo(String),
[INFO] [stdout]    |     ----- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RsResolveError` 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] 35 -     Cargo(String),
[INFO] [stdout] 35 +     Cargo(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/trawl_source/mod.rs:42:23
[INFO] [stdout]    |
[INFO] [stdout] 42 |     InnerContextMutex(String),
[INFO] [stdout]    |     ----------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RsResolveError` 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] 42 -     InnerContextMutex(String),
[INFO] [stdout] 42 +     InnerContextMutex(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/trawl_source/mod.rs:45:14
[INFO] [stdout]    |
[INFO] [stdout] 45 |     DepParse(String, PathBuf),
[INFO] [stdout]    |     -------- ^^^^^^  ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RsResolveError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 45 -     DepParse(String, PathBuf),
[INFO] [stdout] 45 +     DepParse((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/trawl_source/mod.rs:374:22
[INFO] [stdout]     |
[INFO] [stdout] 374 |     OutDirKeyMissing(String),
[INFO] [stdout]     |     ---------------- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CustomExecutorError` 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] 374 -     OutDirKeyMissing(String),
[INFO] [stdout] 374 +     OutDirKeyMissing(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/trawl_source/mod.rs:375:24
[INFO] [stdout]     |
[INFO] [stdout] 375 |     OutDirValueMissing(String),
[INFO] [stdout]     |     ------------------ ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CustomExecutorError` 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] 375 -     OutDirValueMissing(String),
[INFO] [stdout] 375 +     OutDirValueMissing(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/trawl_source/mod.rs:376:23
[INFO] [stdout]     |
[INFO] [stdout] 376 |     InnerContextMutex(String),
[INFO] [stdout]     |     ----------------- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CustomExecutorError` 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] 376 -     InnerContextMutex(String),
[INFO] [stdout] 376 +     InnerContextMutex(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> src/trawl_source/mod.rs:377:8
[INFO] [stdout]     |
[INFO] [stdout] 377 |     Io(io::Error, PathBuf),
[INFO] [stdout]     |     -- ^^^^^^^^^  ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CustomExecutorError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 377 -     Io(io::Error, PathBuf),
[INFO] [stdout] 377 +     Io((), ()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/trawl_source/ast_walker.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Io(io::Error, PathBuf),
[INFO] [stdout]    |     -- ^^^^^^^^^  ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ScanFileError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 24 -     Io(io::Error, PathBuf),
[INFO] [stdout] 24 +     Io((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/trawl_source/ast_walker.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Utf8(FromUtf8Error, PathBuf),
[INFO] [stdout]    |     ---- ^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ScanFileError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 25 -     Utf8(FromUtf8Error, PathBuf),
[INFO] [stdout] 25 +     Utf8((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/trawl_source/ast_walker.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Syn(syn::Error, PathBuf),
[INFO] [stdout]    |     --- ^^^^^^^^^^  ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ScanFileError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 26 -     Syn(syn::Error, PathBuf),
[INFO] [stdout] 26 +     Syn((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: openssl v0.10.41
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "007a97c39298dfea1d95e9dbeb4a014832fd41d333565940846f4ad1784af56c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "007a97c39298dfea1d95e9dbeb4a014832fd41d333565940846f4ad1784af56c", kill_on_drop: false }`
[INFO] [stdout] 007a97c39298dfea1d95e9dbeb4a014832fd41d333565940846f4ad1784af56c
