[INFO] fetching crate enum-methods 0.0.8...
[INFO] checking enum-methods-0.0.8 against master#bbe853615821442ef11d6cd42a30a73432b38d89 for pr-154205
[INFO] extracting crate enum-methods 0.0.8 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate enum-methods 0.0.8
[INFO] finished tweaking crates.io crate enum-methods 0.0.8
[INFO] tweaked toml for crates.io crate enum-methods 0.0.8 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate enum-methods 0.0.8 on toolchain bbe853615821442ef11d6cd42a30a73432b38d89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding quote v0.3.15 (available: v1.0.45)
[INFO] [stderr]       Adding syn v0.11.11 (available: v2.0.117)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 001325570b9eca6fc60e564d072a46320a0be951b41f7d75cf177053c6e4dbc4
[INFO] running `Command { std: "docker" "start" "-a" "001325570b9eca6fc60e564d072a46320a0be951b41f7d75cf177053c6e4dbc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "001325570b9eca6fc60e564d072a46320a0be951b41f7d75cf177053c6e4dbc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "001325570b9eca6fc60e564d072a46320a0be951b41f7d75cf177053c6e4dbc4", kill_on_drop: false }`
[INFO] [stdout] 001325570b9eca6fc60e564d072a46320a0be951b41f7d75cf177053c6e4dbc4
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad01ad6360984bd390e404538810692c8fb127174c47de85237f6472dd8f558a
[INFO] running `Command { std: "docker" "start" "-a" "ad01ad6360984bd390e404538810692c8fb127174c47de85237f6472dd8f558a", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Checking unicode-xid v0.0.4
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking enum-methods v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> tests/test_is_a.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         Bar(bool, i32),
[INFO] [stdout]   |         --- ^^^^  ^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `MyEnum` 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 fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 9 -         Bar(bool, i32),
[INFO] [stdout] 9 +         Bar((), ()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/test_is_a.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |         Baz(String),
[INFO] [stdout]    |         --- ^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MyEnum` 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 -         Baz(String),
[INFO] [stdout] 10 +         Baz(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `foo` is never read
[INFO] [stdout]   --> tests/test_is_a.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 |         StructType { foo: i32 },
[INFO] [stdout]    |         ----------   ^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MyEnum` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `foo`, `bar`, and `baz` are never read
[INFO] [stdout]   --> tests/test_is_a.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         BiggerStructType {
[INFO] [stdout]    |         ---------------- fields in this variant
[INFO] [stdout] 13 |             foo: i32,
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 14 |             bar: &'static str,
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 15 |             baz: bool,
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MyEnum` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> tests/test_is_a.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 |         BarBaz(bool, i32),
[INFO] [stdout]    |         ------ ^^^^  ^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MyEnum` 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] 43 -         BarBaz(bool, i32),
[INFO] [stdout] 43 +         BarBaz((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/test_is_a.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         Baz(String),
[INFO] [stdout]    |         --- ^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MyEnum` 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] 44 -         Baz(String),
[INFO] [stdout] 44 +         Baz(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.34s
[INFO] running `Command { std: "docker" "inspect" "ad01ad6360984bd390e404538810692c8fb127174c47de85237f6472dd8f558a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad01ad6360984bd390e404538810692c8fb127174c47de85237f6472dd8f558a", kill_on_drop: false }`
[INFO] [stdout] ad01ad6360984bd390e404538810692c8fb127174c47de85237f6472dd8f558a