[INFO] cloning repository https://github.com/whoiscc/embroider
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whoiscc/embroider" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhoiscc%2Fembroider", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhoiscc%2Fembroider'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91039a846a6a92f1fd3394b9d3d16bd8bd506fca
[INFO] building whoiscc/embroider against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhoiscc%2Fembroider" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/whoiscc/embroider on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/whoiscc/embroider
[INFO] finished tweaking git repo https://github.com/whoiscc/embroider
[INFO] tweaked toml for git repo https://github.com/whoiscc/embroider written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/whoiscc/embroider 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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5485c7c48ef321f253fa7869b865dcc2bea3c634d8f3169a34937f3454019b59
[INFO] running `Command { std: "docker" "start" "-a" "5485c7c48ef321f253fa7869b865dcc2bea3c634d8f3169a34937f3454019b59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5485c7c48ef321f253fa7869b865dcc2bea3c634d8f3169a34937f3454019b59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5485c7c48ef321f253fa7869b865dcc2bea3c634d8f3169a34937f3454019b59", kill_on_drop: false }`
[INFO] [stdout] 5485c7c48ef321f253fa7869b865dcc2bea3c634d8f3169a34937f3454019b59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a71a4b498ae337678f5a97cd0e20b5f9c5c1df22845515eddbfb8b32fd412743
[INFO] running `Command { std: "docker" "start" "-a" "a71a4b498ae337678f5a97cd0e20b5f9c5c1df22845515eddbfb8b32fd412743", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling peg-runtime v0.8.2
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling object v0.32.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling peg-macros v0.8.2
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling peg v0.8.2
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling embroider v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/optimize.rs:45:11
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Const(ConstIndex),
[INFO] [stdout]    |     ----- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Op` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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] 45 |     Const(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/optimize.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 |     Chunk(ChunkIndex),
[INFO] [stdout]    |     ----- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Op` has derived impls for the traits `Clone` and `Debug`, but these are 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] 46 |     Chunk(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/optimize.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     Record(RecordTypeIndex),
[INFO] [stdout]    |     ------ ^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Op` has derived impls for the traits `Clone` and `Debug`, but these are 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] 49 |     Record(()),
[INFO] [stdout]    |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/optimize.rs:50:11
[INFO] [stdout]    |
[INFO] [stdout] 50 |     Field(Symbol),
[INFO] [stdout]    |     ----- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Op` has derived impls for the traits `Clone` and `Debug`, but these are 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] 50 |     Field(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/optimize.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |     Capture(usize),
[INFO] [stdout]    |     ------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Op` has derived impls for the traits `Clone` and `Debug`, but these are 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] 51 |     Capture(()),
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/optimize.rs:52:14
[INFO] [stdout]    |
[INFO] [stdout] 52 |     Operator(Operator),
[INFO] [stdout]    |     -------- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Op` has derived impls for the traits `Clone` and `Debug`, but these are 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] 52 |     Operator(()),
[INFO] [stdout]    |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/optimize.rs:60:28
[INFO] [stdout]    |
[INFO] [stdout] 60 |     StoreField(ValueIndex, Symbol, ValueIndex),
[INFO] [stdout]    |     ----------             ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Effect` has derived impls for the traits `Clone` and `Debug`, but these are 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] 60 |     StoreField(ValueIndex, (), ValueIndex),
[INFO] [stdout]    |                            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/optimize.rs:61:30
[INFO] [stdout]    |
[INFO] [stdout] 61 |     StoreCapture(ValueIndex, usize, ValueIndex),
[INFO] [stdout]    |     ------------             ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Effect` has derived impls for the traits `Clone` and `Debug`, but these are 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] 61 |     StoreCapture(ValueIndex, (), ValueIndex),
[INFO] [stdout]    |                              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/optimize.rs:70:23
[INFO] [stdout]    |
[INFO] [stdout] 70 |     Match(ValueIndex, Symbol),
[INFO] [stdout]    |     -----             ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Exit` has derived impls for the traits `Clone` and `Debug`, but these are 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] 70 |     Match(ValueIndex, ()),
[INFO] [stdout]    |                       ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/optimize.rs:77:11
[INFO] [stdout]    |
[INFO] [stdout] 77 |     Match(bool),
[INFO] [stdout]    |     ----- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ControlEdge` has derived impls for the traits `Clone` and `Debug`, but these are 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] 77 |     Match(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.61s
[INFO] running `Command { std: "docker" "inspect" "a71a4b498ae337678f5a97cd0e20b5f9c5c1df22845515eddbfb8b32fd412743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a71a4b498ae337678f5a97cd0e20b5f9c5c1df22845515eddbfb8b32fd412743", kill_on_drop: false }`
[INFO] [stdout] a71a4b498ae337678f5a97cd0e20b5f9c5c1df22845515eddbfb8b32fd412743
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c891edef1b80231b986655eb946fe06cddb5ccc8c6e353b14601f7734678bca
[INFO] running `Command { std: "docker" "start" "-a" "3c891edef1b80231b986655eb946fe06cddb5ccc8c6e353b14601f7734678bca", kill_on_drop: false }`
[INFO] [stderr]    Compiling embroider v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/optimize.rs:45:11
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Const(ConstIndex),
[INFO] [stdout]    |     ----- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Op` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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] 45 |     Const(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/optimize.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 |     Chunk(ChunkIndex),
[INFO] [stdout]    |     ----- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Op` has derived impls for the traits `Clone` and `Debug`, but these are 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] 46 |     Chunk(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/optimize.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     Record(RecordTypeIndex),
[INFO] [stdout]    |     ------ ^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Op` has derived impls for the traits `Clone` and `Debug`, but these are 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] 49 |     Record(()),
[INFO] [stdout]    |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/optimize.rs:50:11
[INFO] [stdout]    |
[INFO] [stdout] 50 |     Field(Symbol),
[INFO] [stdout]    |     ----- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Op` has derived impls for the traits `Clone` and `Debug`, but these are 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] 50 |     Field(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/optimize.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |     Capture(usize),
[INFO] [stdout]    |     ------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Op` has derived impls for the traits `Clone` and `Debug`, but these are 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] 51 |     Capture(()),
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/optimize.rs:52:14
[INFO] [stdout]    |
[INFO] [stdout] 52 |     Operator(Operator),
[INFO] [stdout]    |     -------- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Op` has derived impls for the traits `Clone` and `Debug`, but these are 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] 52 |     Operator(()),
[INFO] [stdout]    |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/optimize.rs:60:28
[INFO] [stdout]    |
[INFO] [stdout] 60 |     StoreField(ValueIndex, Symbol, ValueIndex),
[INFO] [stdout]    |     ----------             ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Effect` has derived impls for the traits `Clone` and `Debug`, but these are 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] 60 |     StoreField(ValueIndex, (), ValueIndex),
[INFO] [stdout]    |                            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/optimize.rs:61:30
[INFO] [stdout]    |
[INFO] [stdout] 61 |     StoreCapture(ValueIndex, usize, ValueIndex),
[INFO] [stdout]    |     ------------             ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Effect` has derived impls for the traits `Clone` and `Debug`, but these are 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] 61 |     StoreCapture(ValueIndex, (), ValueIndex),
[INFO] [stdout]    |                              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/optimize.rs:70:23
[INFO] [stdout]    |
[INFO] [stdout] 70 |     Match(ValueIndex, Symbol),
[INFO] [stdout]    |     -----             ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Exit` has derived impls for the traits `Clone` and `Debug`, but these are 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] 70 |     Match(ValueIndex, ()),
[INFO] [stdout]    |                       ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/optimize.rs:77:11
[INFO] [stdout]    |
[INFO] [stdout] 77 |     Match(bool),
[INFO] [stdout]    |     ----- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ControlEdge` has derived impls for the traits `Clone` and `Debug`, but these are 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] 77 |     Match(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/optimize.rs:45:11
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Const(ConstIndex),
[INFO] [stdout]    |     ----- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Op` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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] 45 |     Const(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/optimize.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 |     Chunk(ChunkIndex),
[INFO] [stdout]    |     ----- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Op` has derived impls for the traits `Clone` and `Debug`, but these are 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] 46 |     Chunk(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/optimize.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     Record(RecordTypeIndex),
[INFO] [stdout]    |     ------ ^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Op` has derived impls for the traits `Clone` and `Debug`, but these are 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] 49 |     Record(()),
[INFO] [stdout]    |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/optimize.rs:50:11
[INFO] [stdout]    |
[INFO] [stdout] 50 |     Field(Symbol),
[INFO] [stdout]    |     ----- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Op` has derived impls for the traits `Clone` and `Debug`, but these are 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] 50 |     Field(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/optimize.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |     Capture(usize),
[INFO] [stdout]    |     ------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Op` has derived impls for the traits `Clone` and `Debug`, but these are 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] 51 |     Capture(()),
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/optimize.rs:52:14
[INFO] [stdout]    |
[INFO] [stdout] 52 |     Operator(Operator),
[INFO] [stdout]    |     -------- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Op` has derived impls for the traits `Clone` and `Debug`, but these are 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] 52 |     Operator(()),
[INFO] [stdout]    |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/optimize.rs:60:28
[INFO] [stdout]    |
[INFO] [stdout] 60 |     StoreField(ValueIndex, Symbol, ValueIndex),
[INFO] [stdout]    |     ----------             ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Effect` has derived impls for the traits `Clone` and `Debug`, but these are 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] 60 |     StoreField(ValueIndex, (), ValueIndex),
[INFO] [stdout]    |                            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/optimize.rs:61:30
[INFO] [stdout]    |
[INFO] [stdout] 61 |     StoreCapture(ValueIndex, usize, ValueIndex),
[INFO] [stdout]    |     ------------             ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Effect` has derived impls for the traits `Clone` and `Debug`, but these are 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] 61 |     StoreCapture(ValueIndex, (), ValueIndex),
[INFO] [stdout]    |                              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/optimize.rs:70:23
[INFO] [stdout]    |
[INFO] [stdout] 70 |     Match(ValueIndex, Symbol),
[INFO] [stdout]    |     -----             ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Exit` has derived impls for the traits `Clone` and `Debug`, but these are 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] 70 |     Match(ValueIndex, ()),
[INFO] [stdout]    |                       ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/optimize.rs:77:11
[INFO] [stdout]    |
[INFO] [stdout] 77 |     Match(bool),
[INFO] [stdout]    |     ----- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ControlEdge` has derived impls for the traits `Clone` and `Debug`, but these are 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] 77 |     Match(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "3c891edef1b80231b986655eb946fe06cddb5ccc8c6e353b14601f7734678bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c891edef1b80231b986655eb946fe06cddb5ccc8c6e353b14601f7734678bca", kill_on_drop: false }`
[INFO] [stdout] 3c891edef1b80231b986655eb946fe06cddb5ccc8c6e353b14601f7734678bca
