[INFO] fetching crate copper 0.1.0...
[INFO] checking copper-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate copper 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate copper 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 copper 0.1.0
[INFO] finished tweaking crates.io crate copper 0.1.0
[INFO] tweaked toml for crates.io crate copper 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate copper 0.1.0 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6003fb85d1ec7cd613e715bdef1609ea99ed524a93f669f47cda8c149b873ef7
[INFO] running `Command { std: "docker" "start" "-a" "6003fb85d1ec7cd613e715bdef1609ea99ed524a93f669f47cda8c149b873ef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6003fb85d1ec7cd613e715bdef1609ea99ed524a93f669f47cda8c149b873ef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6003fb85d1ec7cd613e715bdef1609ea99ed524a93f669f47cda8c149b873ef7", kill_on_drop: false }`
[INFO] [stdout] 6003fb85d1ec7cd613e715bdef1609ea99ed524a93f669f47cda8c149b873ef7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 97016e7f115aa6cbdbbaa1797b09e8a9e6d00094222f97637c70c93ae43bfd9b
[INFO] running `Command { std: "docker" "start" "-a" "97016e7f115aa6cbdbbaa1797b09e8a9e6d00094222f97637c70c93ae43bfd9b", kill_on_drop: false }`
[INFO] [stderr]     Checking dyn-clone v1.0.16
[INFO] [stderr]     Checking copper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `unused_tuple_struct_fields` has been renamed to `dead_code`
[INFO] [stdout]   |
[INFO] [stdout]   = help: use the new name `dead_code`
[INFO] [stdout]   = note: requested on the command line with `-W unused_tuple_struct_fields`
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `unused_tuple_struct_fields` has been renamed to `dead_code`
[INFO] [stdout]   |
[INFO] [stdout]   = help: use the new name `dead_code`
[INFO] [stdout]   = note: requested on the command line with `-W unused_tuple_struct_fields`
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `pointer_structural_match` has been removed: converted into hard error, see RFC #3535 <https://rust-lang.github.io/rfcs/3535-constants-in-patterns.html> for more information
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-W pointer_structural_match`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `pointer_structural_match` has been removed: converted into hard error, see RFC #3535 <https://rust-lang.github.io/rfcs/3535-constants-in-patterns.html> for more information
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-W pointer_structural_match`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/props/mod.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |         self.push_new_prop(self::add::Add::new(x, y, s))
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W unused-qualifications`
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 58 -         self.push_new_prop(self::add::Add::new(x, y, s))
[INFO] [stdout] 58 +         self.push_new_prop(add::Add::new(x, y, s))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/props/mod.rs:63:28
[INFO] [stdout]    |
[INFO] [stdout] 63 |         self.push_new_prop(self::sum::Sum::new(xs, s))
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 63 -         self.push_new_prop(self::sum::Sum::new(xs, s))
[INFO] [stdout] 63 +         self.push_new_prop(sum::Sum::new(xs, s))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/props/mod.rs:68:28
[INFO] [stdout]    |
[INFO] [stdout] 68 |         self.push_new_prop(self::eq::Equals::new(x, y))
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 68 -         self.push_new_prop(self::eq::Equals::new(x, y))
[INFO] [stdout] 68 +         self.push_new_prop(eq::Equals::new(x, y))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/props/mod.rs:73:28
[INFO] [stdout]    |
[INFO] [stdout] 73 |         self.push_new_prop(self::leq::LessThanOrEquals::new(x, y))
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 73 -         self.push_new_prop(self::leq::LessThanOrEquals::new(x, y))
[INFO] [stdout] 73 +         self.push_new_prop(leq::LessThanOrEquals::new(x, y))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/props/mod.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |         self.push_new_prop(self::add::Add::new(x, y, s))
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W unused-qualifications`
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 58 -         self.push_new_prop(self::add::Add::new(x, y, s))
[INFO] [stdout] 58 +         self.push_new_prop(add::Add::new(x, y, s))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/props/mod.rs:63:28
[INFO] [stdout]    |
[INFO] [stdout] 63 |         self.push_new_prop(self::sum::Sum::new(xs, s))
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 63 -         self.push_new_prop(self::sum::Sum::new(xs, s))
[INFO] [stdout] 63 +         self.push_new_prop(sum::Sum::new(xs, s))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/props/mod.rs:68:28
[INFO] [stdout]    |
[INFO] [stdout] 68 |         self.push_new_prop(self::eq::Equals::new(x, y))
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 68 -         self.push_new_prop(self::eq::Equals::new(x, y))
[INFO] [stdout] 68 +         self.push_new_prop(eq::Equals::new(x, y))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/props/mod.rs:73:28
[INFO] [stdout]    |
[INFO] [stdout] 73 |         self.push_new_prop(self::leq::LessThanOrEquals::new(x, y))
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 73 -         self.push_new_prop(self::leq::LessThanOrEquals::new(x, y))
[INFO] [stdout] 73 +         self.push_new_prop(leq::LessThanOrEquals::new(x, y))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `unused_tuple_struct_fields` has been renamed to `dead_code`
[INFO] [stdout]   |
[INFO] [stdout]   = help: use the new name `dead_code`
[INFO] [stdout]   = note: requested on the command line with `-W unused_tuple_struct_fields`
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `pointer_structural_match` has been removed: converted into hard error, see RFC #3535 <https://rust-lang.github.io/rfcs/3535-constants-in-patterns.html> for more information
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-W pointer_structural_match`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "97016e7f115aa6cbdbbaa1797b09e8a9e6d00094222f97637c70c93ae43bfd9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97016e7f115aa6cbdbbaa1797b09e8a9e6d00094222f97637c70c93ae43bfd9b", kill_on_drop: false }`
[INFO] [stdout] 97016e7f115aa6cbdbbaa1797b09e8a9e6d00094222f97637c70c93ae43bfd9b