[INFO] fetching crate shades-edsl 0.1.0...
[INFO] checking shades-edsl-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate shades-edsl 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate shades-edsl 0.1.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shades-edsl 0.1.0
[INFO] finished tweaking crates.io crate shades-edsl 0.1.0
[INFO] tweaked toml for crates.io crate shades-edsl 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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 syn v1.0.109 (available: v2.0.79)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 123f80d6d3dca542a023c61f016092380a21654aff81311d294438272a939a5f
[INFO] running `Command { std: "docker" "start" "-a" "123f80d6d3dca542a023c61f016092380a21654aff81311d294438272a939a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "123f80d6d3dca542a023c61f016092380a21654aff81311d294438272a939a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "123f80d6d3dca542a023c61f016092380a21654aff81311d294438272a939a5f", kill_on_drop: false }`
[INFO] [stdout] 123f80d6d3dca542a023c61f016092380a21654aff81311d294438272a939a5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32a130a2a15ec4650c69baecbc1c46cd1540410cf37e6009dee201ea2cd5ccce
[INFO] running `Command { std: "docker" "start" "-a" "32a130a2a15ec4650c69baecbc1c46cd1540410cf37e6009dee201ea2cd5ccce", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking shades-edsl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:460:12
[INFO] [stdout]     |
[INFO] [stdout] 460 |   Continue(ContinueItem),
[INFO] [stdout]     |   -------- ^^^^^^^^^^^^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ScopeInstrItem` 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] 460 |   Continue(()),
[INFO] [stdout]     |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:461:9
[INFO] [stdout]     |
[INFO] [stdout] 461 |   Break(BreakItem),
[INFO] [stdout]     |   ----- ^^^^^^^^^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ScopeInstrItem` 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] 461 |   Break(()),
[INFO] [stdout]     |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `return_token` and `semi_token` are never read
[INFO] [stdout]    --> src/syntax.rs:596:5
[INFO] [stdout]     |
[INFO] [stdout] 595 |   Return {
[INFO] [stdout]     |   ------ fields in this variant
[INFO] [stdout] 596 |     return_token: Option<Token![return]>,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 597 |     expr: Expr,
[INFO] [stdout] 598 |     semi_token: Token![;],
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ReturnItem` 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 `brace_token` is never read
[INFO] [stdout]    --> src/syntax.rs:806:5
[INFO] [stdout]     |
[INFO] [stdout] 805 |   Else {
[INFO] [stdout]     |   ---- field in this variant
[INFO] [stdout] 806 |     brace_token: Brace,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ElseTailItem` 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 `0` is never read
[INFO] [stdout]    --> src/syntax.rs:891:10
[INFO] [stdout]     |
[INFO] [stdout] 891 |   Assign(Token![=]),
[INFO] [stdout]     |   ------ ^^^^^^^^^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MutateVarAssignToken` 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] 891 |   Assign(()),
[INFO] [stdout]     |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:460:12
[INFO] [stdout]     |
[INFO] [stdout] 460 |   Continue(ContinueItem),
[INFO] [stdout]     |   -------- ^^^^^^^^^^^^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ScopeInstrItem` 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] 460 |   Continue(()),
[INFO] [stdout]     |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:461:9
[INFO] [stdout]     |
[INFO] [stdout] 461 |   Break(BreakItem),
[INFO] [stdout]     |   ----- ^^^^^^^^^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ScopeInstrItem` 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] 461 |   Break(()),
[INFO] [stdout]     |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `return_token` and `semi_token` are never read
[INFO] [stdout]    --> src/syntax.rs:596:5
[INFO] [stdout]     |
[INFO] [stdout] 595 |   Return {
[INFO] [stdout]     |   ------ fields in this variant
[INFO] [stdout] 596 |     return_token: Option<Token![return]>,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 597 |     expr: Expr,
[INFO] [stdout] 598 |     semi_token: Token![;],
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ReturnItem` 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 `brace_token` is never read
[INFO] [stdout]    --> src/syntax.rs:806:5
[INFO] [stdout]     |
[INFO] [stdout] 805 |   Else {
[INFO] [stdout]     |   ---- field in this variant
[INFO] [stdout] 806 |     brace_token: Brace,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ElseTailItem` 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 `0` is never read
[INFO] [stdout]    --> src/syntax.rs:891:10
[INFO] [stdout]     |
[INFO] [stdout] 891 |   Assign(Token![=]),
[INFO] [stdout]     |   ------ ^^^^^^^^^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MutateVarAssignToken` 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] 891 |   Assign(()),
[INFO] [stdout]     |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.83s
[INFO] running `Command { std: "docker" "inspect" "32a130a2a15ec4650c69baecbc1c46cd1540410cf37e6009dee201ea2cd5ccce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32a130a2a15ec4650c69baecbc1c46cd1540410cf37e6009dee201ea2cd5ccce", kill_on_drop: false }`
[INFO] [stdout] 32a130a2a15ec4650c69baecbc1c46cd1540410cf37e6009dee201ea2cd5ccce