[INFO] fetching crate dala 0.3.0...
[INFO] checking dala-0.3.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate dala 0.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate dala 0.3.0 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 dala 0.3.0
[INFO] finished tweaking crates.io crate dala 0.3.0
[INFO] tweaked toml for crates.io crate dala 0.3.0 written to /workspace/builds/worker-3-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 23 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v1.1.0)
[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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 982a94a1a8c813ffd6053b3e0a6ad9c00ab91bcedfba8011e3aa2c77d301feac
[INFO] running `Command { std: "docker" "start" "-a" "982a94a1a8c813ffd6053b3e0a6ad9c00ab91bcedfba8011e3aa2c77d301feac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "982a94a1a8c813ffd6053b3e0a6ad9c00ab91bcedfba8011e3aa2c77d301feac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "982a94a1a8c813ffd6053b3e0a6ad9c00ab91bcedfba8011e3aa2c77d301feac", kill_on_drop: false }`
[INFO] [stdout] 982a94a1a8c813ffd6053b3e0a6ad9c00ab91bcedfba8011e3aa2c77d301feac
[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 -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] 1185a52af9a86fec30e8ef45b475459c6427dbeb056217c443e27c1f47dae99e
[INFO] running `Command { std: "docker" "start" "-a" "1185a52af9a86fec30e8ef45b475459c6427dbeb056217c443e27c1f47dae99e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]    Compiling pest v2.7.13
[INFO] [stderr]    Compiling pest_meta v2.7.13
[INFO] [stderr]    Compiling pest_generator v2.7.13
[INFO] [stderr]    Compiling pest_derive v2.7.13
[INFO] [stderr]     Checking dala v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]  --> src/interpreter/expr/macros.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |             pub pos: Position,
[INFO] [stdout]   |                 ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/interpreter/expr/concat.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | create_expr_struct!(Concat);
[INFO] [stdout]   | ---------------------------
[INFO] [stdout]   | |                   |
[INFO] [stdout]   | |                   field in this struct
[INFO] [stdout]   | in this macro invocation
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Concat` 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]   = note: this warning originates in the macro `create_expr_struct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]  --> src/interpreter/expr/macros.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |             pub pos: Position,
[INFO] [stdout]   |                 ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/interpreter/expr/concat.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | create_expr_struct!(Concat);
[INFO] [stdout]   | ---------------------------
[INFO] [stdout]   | |                   |
[INFO] [stdout]   | |                   field in this struct
[INFO] [stdout]   | in this macro invocation
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Concat` 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]   = note: this warning originates in the macro `create_expr_struct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]   --> src/interpreter/expr/literal.rs:9:17
[INFO] [stdout]    |
[INFO] [stdout] 9  |             pub pos: Position,
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 | create_lit_struct!(Str, String);
[INFO] [stdout]    | -------------------------------
[INFO] [stdout]    | |                  |
[INFO] [stdout]    | |                  field in this struct
[INFO] [stdout]    | in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Str` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: this warning originates in the macro `create_lit_struct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]   --> src/interpreter/expr/literal.rs:9:17
[INFO] [stdout]    |
[INFO] [stdout] 9  |             pub pos: Position,
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 | create_lit_struct!(Str, String);
[INFO] [stdout]    | -------------------------------
[INFO] [stdout]    | |                  |
[INFO] [stdout]    | |                  field in this struct
[INFO] [stdout]    | in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Str` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: this warning originates in the macro `create_lit_struct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]   --> src/interpreter/expr/literal.rs:9:17
[INFO] [stdout]    |
[INFO] [stdout] 9  |             pub pos: Position,
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 | create_lit_struct!(Num, f64);
[INFO] [stdout]    | ----------------------------
[INFO] [stdout]    | |                  |
[INFO] [stdout]    | |                  field in this struct
[INFO] [stdout]    | in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Num` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: this warning originates in the macro `create_lit_struct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]   --> src/interpreter/expr/literal.rs:9:17
[INFO] [stdout]    |
[INFO] [stdout] 9  |             pub pos: Position,
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 | create_lit_struct!(Num, f64);
[INFO] [stdout]    | ----------------------------
[INFO] [stdout]    | |                  |
[INFO] [stdout]    | |                  field in this struct
[INFO] [stdout]    | in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Num` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: this warning originates in the macro `create_lit_struct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]   --> src/interpreter/expr/literal.rs:9:17
[INFO] [stdout]    |
[INFO] [stdout] 9  |             pub pos: Position,
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 | create_lit_struct!(Bool, bool);
[INFO] [stdout]    | ------------------------------
[INFO] [stdout]    | |                  |
[INFO] [stdout]    | |                  field in this struct
[INFO] [stdout]    | in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Bool` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: this warning originates in the macro `create_lit_struct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]   --> src/interpreter/expr/literal.rs:9:17
[INFO] [stdout]    |
[INFO] [stdout] 9  |             pub pos: Position,
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 | create_lit_struct!(Bool, bool);
[INFO] [stdout]    | ------------------------------
[INFO] [stdout]    | |                  |
[INFO] [stdout]    | |                  field in this struct
[INFO] [stdout]    | in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Bool` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: this warning originates in the macro `create_lit_struct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]  --> src/interpreter/expr/upper.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Upper {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 6 |     pub pos: Position,
[INFO] [stdout]   |         ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Upper` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]  --> src/interpreter/expr/upper.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Upper {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 6 |     pub pos: Position,
[INFO] [stdout]   |         ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Upper` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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 5.41s
[INFO] running `Command { std: "docker" "inspect" "1185a52af9a86fec30e8ef45b475459c6427dbeb056217c443e27c1f47dae99e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1185a52af9a86fec30e8ef45b475459c6427dbeb056217c443e27c1f47dae99e", kill_on_drop: false }`
[INFO] [stdout] 1185a52af9a86fec30e8ef45b475459c6427dbeb056217c443e27c1f47dae99e