[INFO] cloning repository https://github.com/aisamanra/sard
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aisamanra/sard" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faisamanra%2Fsard", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faisamanra%2Fsard'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 505c04472a05f94b55ba1f3a343f25872bd85942
[INFO] checking aisamanra/sard against try#e071e73523bfcdcab2878dbf652ac8ebb9b9eee4 for pr-144386
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faisamanra%2Fsard" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/aisamanra/sard
[INFO] finished tweaking git repo https://github.com/aisamanra/sard
[INFO] tweaked toml for git repo https://github.com/aisamanra/sard written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/aisamanra/sard on toolchain e071e73523bfcdcab2878dbf652ac8ebb9b9eee4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e071e73523bfcdcab2878dbf652ac8ebb9b9eee4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/aisamanra/sard 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" "+e071e73523bfcdcab2878dbf652ac8ebb9b9eee4" "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 lib-ruby-parser v3.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+e071e73523bfcdcab2878dbf652ac8ebb9b9eee4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6c567aa66c2a3fd9dea61c886133eadcc29077cd9c389bc7378ae8e3b91badc
[INFO] running `Command { std: "docker" "start" "-a" "d6c567aa66c2a3fd9dea61c886133eadcc29077cd9c389bc7378ae8e3b91badc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6c567aa66c2a3fd9dea61c886133eadcc29077cd9c389bc7378ae8e3b91badc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6c567aa66c2a3fd9dea61c886133eadcc29077cd9c389bc7378ae8e3b91badc", kill_on_drop: false }`
[INFO] [stdout] d6c567aa66c2a3fd9dea61c886133eadcc29077cd9c389bc7378ae8e3b91badc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+e071e73523bfcdcab2878dbf652ac8ebb9b9eee4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bcd46e8a31167ed816b3b0978b34ad3a93f168838c90d9a27650bfe14a21722
[INFO] running `Command { std: "docker" "start" "-a" "1bcd46e8a31167ed816b3b0978b34ad3a93f168838c90d9a27650bfe14a21722", kill_on_drop: false }`
[INFO] [stderr]     Checking lib-ruby-parser v3.0.4
[INFO] [stderr]     Checking sard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/types.rs:13:28
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Def(&'a p::nodes::Def, Option<Sig<'a>>),
[INFO] [stdout]    |     ---                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamedItem` has a derived impl for the trait `Debug`, but this is 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] 13 -     Def(&'a p::nodes::Def, Option<Sig<'a>>),
[INFO] [stdout] 13 +     Def(&'a p::nodes::Def, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/types.rs:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Defs(&'a p::nodes::Defs, Option<Sig<'a>>),
[INFO] [stdout]    |     ----                     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamedItem` 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 -     Defs(&'a p::nodes::Defs, Option<Sig<'a>>),
[INFO] [stdout] 15 +     Defs(&'a p::nodes::Defs, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `1` and `3` are never read
[INFO] [stdout]   --> src/types.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Attr(
[INFO] [stdout]    |     ---- fields in this variant
[INFO] [stdout] 19 |         AttrType,
[INFO] [stdout] 20 |         &'a p::nodes::Send,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 21 |         &'a p::nodes::Sym,
[INFO] [stdout] 22 |         Option<Sig<'a>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamedItem` 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] 20 ~         (),
[INFO] [stdout] 21 |         &'a p::nodes::Sym,
[INFO] [stdout] 22 ~         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `1` and `3` are never read
[INFO] [stdout]   --> src/types.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Prop(PropType, &'a p::nodes::Send, &'a p::nodes::Sym, &'a p::Node),
[INFO] [stdout]    |     ----           ^^^^^^^^^^^^^^^^^^                     ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamedItem` 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 -     Prop(PropType, &'a p::nodes::Send, &'a p::nodes::Sym, &'a p::Node),
[INFO] [stdout] 26 +     Prop(PropType, (), &'a p::nodes::Sym, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/types.rs:28:32
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Casgn(&'a p::nodes::Casgn, Option<Type<'a>>),
[INFO] [stdout]    |     -----                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamedItem` 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] 28 -     Casgn(&'a p::nodes::Casgn, Option<Type<'a>>),
[INFO] [stdout] 28 +     Casgn(&'a p::nodes::Casgn, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `node` is never read
[INFO] [stdout]    --> src/types.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 162 | pub struct Type<'a> {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 163 |     node: &'a p::Node,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Type` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/types.rs:13:28
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Def(&'a p::nodes::Def, Option<Sig<'a>>),
[INFO] [stdout]    |     ---                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamedItem` has a derived impl for the trait `Debug`, but this is 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] 13 -     Def(&'a p::nodes::Def, Option<Sig<'a>>),
[INFO] [stdout] 13 +     Def(&'a p::nodes::Def, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/types.rs:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Defs(&'a p::nodes::Defs, Option<Sig<'a>>),
[INFO] [stdout]    |     ----                     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamedItem` 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 -     Defs(&'a p::nodes::Defs, Option<Sig<'a>>),
[INFO] [stdout] 15 +     Defs(&'a p::nodes::Defs, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `1` and `3` are never read
[INFO] [stdout]   --> src/types.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Attr(
[INFO] [stdout]    |     ---- fields in this variant
[INFO] [stdout] 19 |         AttrType,
[INFO] [stdout] 20 |         &'a p::nodes::Send,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 21 |         &'a p::nodes::Sym,
[INFO] [stdout] 22 |         Option<Sig<'a>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamedItem` 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] 20 ~         (),
[INFO] [stdout] 21 |         &'a p::nodes::Sym,
[INFO] [stdout] 22 ~         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `1` and `3` are never read
[INFO] [stdout]   --> src/types.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Prop(PropType, &'a p::nodes::Send, &'a p::nodes::Sym, &'a p::Node),
[INFO] [stdout]    |     ----           ^^^^^^^^^^^^^^^^^^                     ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamedItem` 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 -     Prop(PropType, &'a p::nodes::Send, &'a p::nodes::Sym, &'a p::Node),
[INFO] [stdout] 26 +     Prop(PropType, (), &'a p::nodes::Sym, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/types.rs:28:32
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Casgn(&'a p::nodes::Casgn, Option<Type<'a>>),
[INFO] [stdout]    |     -----                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamedItem` 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] 28 -     Casgn(&'a p::nodes::Casgn, Option<Type<'a>>),
[INFO] [stdout] 28 +     Casgn(&'a p::nodes::Casgn, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `node` is never read
[INFO] [stdout]    --> src/types.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 162 | pub struct Type<'a> {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 163 |     node: &'a p::Node,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Type` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.46s
[INFO] running `Command { std: "docker" "inspect" "1bcd46e8a31167ed816b3b0978b34ad3a93f168838c90d9a27650bfe14a21722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bcd46e8a31167ed816b3b0978b34ad3a93f168838c90d9a27650bfe14a21722", kill_on_drop: false }`
[INFO] [stdout] 1bcd46e8a31167ed816b3b0978b34ad3a93f168838c90d9a27650bfe14a21722