[INFO] cloning repository https://github.com/vadimstruts/car-trustless-extractor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vadimstruts/car-trustless-extractor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvadimstruts%2Fcar-trustless-extractor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvadimstruts%2Fcar-trustless-extractor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 035bf967e5aea2dd470a68972eb0a15d14d07c1e
[INFO] building vadimstruts/car-trustless-extractor against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvadimstruts%2Fcar-trustless-extractor" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vadimstruts/car-trustless-extractor
[INFO] finished tweaking git repo https://github.com/vadimstruts/car-trustless-extractor
[INFO] tweaked toml for git repo https://github.com/vadimstruts/car-trustless-extractor written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vadimstruts/car-trustless-extractor on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vadimstruts/car-trustless-extractor 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.52
[INFO] [stderr]   Downloaded libipld-core v0.16.0
[INFO] [stderr]   Downloaded libipld-macro v0.16.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.52
[INFO] [stderr]   Downloaded proc-macro2 v1.0.71
[INFO] [stderr]   Downloaded multihash v0.18.1
[INFO] [stderr]   Downloaded async-lock v3.2.0
[INFO] [stderr]   Downloaded async-executor v1.8.0
[INFO] [stderr]   Downloaded async-task v4.6.0
[INFO] [stderr]   Downloaded async-channel v2.1.1
[INFO] [stderr]   Downloaded event-listener v4.0.1
[INFO] [stderr]   Downloaded polling v3.3.1
[INFO] [stderr]   Downloaded async-io v2.2.2
[INFO] [stderr]   Downloaded syn v2.0.43
[INFO] [stderr]   Downloaded anyhow v1.0.77
[INFO] [stderr]   Downloaded data-encoding-macro v0.1.14
[INFO] [stderr]   Downloaded futures-lite v2.1.0
[INFO] [stderr]   Downloaded cid v0.10.1
[INFO] [stderr]   Downloaded libipld v0.16.0
[INFO] [stderr]   Downloaded concurrent-queue v2.4.0
[INFO] [stderr]   Downloaded hex-literal v0.3.4
[INFO] [stderr]   Downloaded libipld-cbor v0.16.0
[INFO] [stderr]   Downloaded data-encoding-macro-internal v0.1.12
[INFO] [stderr]   Downloaded cbindgen v0.12.2
[INFO] [stderr]   Downloaded rustix v0.38.28
[INFO] [stderr]   Downloaded rs-car v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0d33fc82592092bd2e9fc5b15ad7f081baeb849571286e0e63ce2e126263a04
[INFO] running `Command { std: "docker" "start" "-a" "b0d33fc82592092bd2e9fc5b15ad7f081baeb849571286e0e63ce2e126263a04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0d33fc82592092bd2e9fc5b15ad7f081baeb849571286e0e63ce2e126263a04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0d33fc82592092bd2e9fc5b15ad7f081baeb849571286e0e63ce2e126263a04", kill_on_drop: false }`
[INFO] [stdout] b0d33fc82592092bd2e9fc5b15ad7f081baeb849571286e0e63ce2e126263a04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 377632b87594f3aa609b0bb2a4b98fe529d33282fff3e5803f626bf3d0c1493b
[INFO] running `Command { std: "docker" "start" "-a" "377632b87594f3aa609b0bb2a4b98fe529d33282fff3e5803f626bf3d0c1493b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.71
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling parking v2.2.0
[INFO] [stderr]    Compiling thiserror v1.0.52
[INFO] [stderr]    Compiling data-encoding v2.5.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling core2 v0.4.0
[INFO] [stderr]    Compiling anyhow v1.0.77
[INFO] [stderr]    Compiling value-bag v1.4.2
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling futures-lite v2.1.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling syn v2.0.43
[INFO] [stderr]    Compiling concurrent-queue v2.4.0
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling cbindgen v0.12.2
[INFO] [stderr]    Compiling async-task v4.6.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling event-listener v4.0.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling piper v0.2.1
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling waker-fn v1.1.1
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling event-listener-strategy v0.4.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling async-lock v3.2.0
[INFO] [stderr]    Compiling async-channel v2.1.1
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling cpufeatures v0.2.11
[INFO] [stderr]    Compiling blake2b_simd v1.0.2
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling quick-protobuf v0.8.1
[INFO] [stderr]    Compiling blocking v1.5.1
[INFO] [stderr]    Compiling async-executor v1.8.0
[INFO] [stderr]    Compiling tempfile v3.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling thiserror-impl v1.0.52
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.12
[INFO] [stderr]    Compiling data-encoding-macro v0.1.14
[INFO] [stderr]    Compiling polling v3.3.1
[INFO] [stderr]    Compiling multibase v0.9.1
[INFO] [stderr]    Compiling async-io v2.2.2
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-std v1.12.0
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling multihash-derive v0.8.1
[INFO] [stderr]    Compiling multihash v0.18.1
[INFO] [stderr]    Compiling cid v0.10.1
[INFO] [stderr]    Compiling libipld-core v0.16.0
[INFO] [stderr]    Compiling libipld-cbor v0.16.0
[INFO] [stderr]    Compiling libipld-macro v0.16.0
[INFO] [stderr]    Compiling libipld v0.16.0
[INFO] [stderr]    Compiling rs-car v0.4.1
[INFO] [stderr]    Compiling rs-car-lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `roots` is never read
[INFO] [stdout]  --> src/error.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 |     NotSingleRoot { roots: Vec<Cid> },
[INFO] [stdout]   |     -------------   ^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ReadSingleFileError` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/error.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 |     InvalidUnixFs(String),
[INFO] [stdout]   |     ------------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ReadSingleFileError` 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] 8 -     InvalidUnixFs(String),
[INFO] [stdout] 8 +     InvalidUnixFs(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/error.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 |     InvalidUnixFsHash(String),
[INFO] [stdout]   |     ----------------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ReadSingleFileError` 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 -     InvalidUnixFsHash(String),
[INFO] [stdout] 9 +     InvalidUnixFsHash(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/error.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 |     MissingNode(Cid),
[INFO] [stdout]    |     ----------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReadSingleFileError` 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 -     MissingNode(Cid),
[INFO] [stdout] 10 +     MissingNode(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/error.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |     MaxBufferedData(usize),
[INFO] [stdout]    |     --------------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReadSingleFileError` 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 -     MaxBufferedData(usize),
[INFO] [stdout] 11 +     MaxBufferedData(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 46.26s
[INFO] running `Command { std: "docker" "inspect" "377632b87594f3aa609b0bb2a4b98fe529d33282fff3e5803f626bf3d0c1493b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "377632b87594f3aa609b0bb2a4b98fe529d33282fff3e5803f626bf3d0c1493b", kill_on_drop: false }`
[INFO] [stdout] 377632b87594f3aa609b0bb2a4b98fe529d33282fff3e5803f626bf3d0c1493b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0588956b63c8d3bb6fcf690c19563afe73c9f3dbf9a33f5e52266abbd2217f0d
[INFO] running `Command { std: "docker" "start" "-a" "0588956b63c8d3bb6fcf690c19563afe73c9f3dbf9a33f5e52266abbd2217f0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]    Compiling async-std v1.12.0
[INFO] [stderr]    Compiling rs-car-lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `roots` is never read
[INFO] [stdout]  --> src/error.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 |     NotSingleRoot { roots: Vec<Cid> },
[INFO] [stdout]   |     -------------   ^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ReadSingleFileError` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/error.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 |     InvalidUnixFs(String),
[INFO] [stdout]   |     ------------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ReadSingleFileError` 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] 8 -     InvalidUnixFs(String),
[INFO] [stdout] 8 +     InvalidUnixFs(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/error.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 |     InvalidUnixFsHash(String),
[INFO] [stdout]   |     ----------------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ReadSingleFileError` 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 -     InvalidUnixFsHash(String),
[INFO] [stdout] 9 +     InvalidUnixFsHash(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/error.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 |     MissingNode(Cid),
[INFO] [stdout]    |     ----------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReadSingleFileError` 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 -     MissingNode(Cid),
[INFO] [stdout] 10 +     MissingNode(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/error.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |     MaxBufferedData(usize),
[INFO] [stdout]    |     --------------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReadSingleFileError` 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 -     MaxBufferedData(usize),
[INFO] [stdout] 11 +     MaxBufferedData(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.77s
[INFO] running `Command { std: "docker" "inspect" "0588956b63c8d3bb6fcf690c19563afe73c9f3dbf9a33f5e52266abbd2217f0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0588956b63c8d3bb6fcf690c19563afe73c9f3dbf9a33f5e52266abbd2217f0d", kill_on_drop: false }`
[INFO] [stdout] 0588956b63c8d3bb6fcf690c19563afe73c9f3dbf9a33f5e52266abbd2217f0d
