[INFO] fetching crate stuff 0.2.0...
[INFO] building stuff-0.2.0 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate stuff 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate stuff 0.2.0 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stuff 0.2.0
[INFO] finished tweaking crates.io crate stuff 0.2.0
[INFO] tweaked toml for crates.io crate stuff 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 339788c7a6690a5ce535605d9cf4e54387913088cc72705b34c93e73a733e690
[INFO] running `Command { std: "docker" "start" "-a" "339788c7a6690a5ce535605d9cf4e54387913088cc72705b34c93e73a733e690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "339788c7a6690a5ce535605d9cf4e54387913088cc72705b34c93e73a733e690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "339788c7a6690a5ce535605d9cf4e54387913088cc72705b34c93e73a733e690", kill_on_drop: false }`
[INFO] [stdout] 339788c7a6690a5ce535605d9cf4e54387913088cc72705b34c93e73a733e690
[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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 507ac1e80631816db43b04ef06af2408a3759dd7537c1e01b43e43a34e1c86e7
[INFO] running `Command { std: "docker" "start" "-a" "507ac1e80631816db43b04ef06af2408a3759dd7537c1e01b43e43a34e1c86e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling sptr v0.3.2
[INFO] [stderr]    Compiling stuff v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "507ac1e80631816db43b04ef06af2408a3759dd7537c1e01b43e43a34e1c86e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "507ac1e80631816db43b04ef06af2408a3759dd7537c1e01b43e43a34e1c86e7", kill_on_drop: false }`
[INFO] [stdout] 507ac1e80631816db43b04ef06af2408a3759dd7537c1e01b43e43a34e1c86e7
[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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b5235e971ca2f00a068028e9a1f87d137568df65a035c161a6ea64c09a2d5c3
[INFO] running `Command { std: "docker" "start" "-a" "0b5235e971ca2f00a068028e9a1f87d137568df65a035c161a6ea64c09a2d5c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling stuff v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/strategy.rs:103:21
[INFO] [stdout]     |
[INFO] [stdout] 103 |                     core::mem::forget(inner);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^-----^
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       argument has type `EmptyInMax`
[INFO] [stdout] ...
[INFO] [stdout] 176 |     impl_usize_max_zst!(EmptyInMax);
[INFO] [stdout]     |     ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(forgetting_copy_types)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `impl_usize_max_zst` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 103 -                     core::mem::forget(inner);
[INFO] [stdout] 103 +                     let _ = inner;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/strategy.rs:128:21
[INFO] [stdout]     |
[INFO] [stdout] 128 |                     core::mem::forget(inner);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^-----^
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       argument has type `EmptyInMax`
[INFO] [stdout] ...
[INFO] [stdout] 176 |     impl_usize_max_zst!(EmptyInMax);
[INFO] [stdout]     |     ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_usize_max_zst` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 128 -                     core::mem::forget(inner);
[INFO] [stdout] 128 +                     let _ = inner;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/strategy.rs:154:21
[INFO] [stdout]     |
[INFO] [stdout] 154 |                     core::mem::forget(inner);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^-----^
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       argument has type `EmptyInMax`
[INFO] [stdout] ...
[INFO] [stdout] 176 |     impl_usize_max_zst!(EmptyInMax);
[INFO] [stdout]     |     ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_usize_max_zst` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 154 -                     core::mem::forget(inner);
[INFO] [stdout] 154 +                     let _ = inner;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "0b5235e971ca2f00a068028e9a1f87d137568df65a035c161a6ea64c09a2d5c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b5235e971ca2f00a068028e9a1f87d137568df65a035c161a6ea64c09a2d5c3", kill_on_drop: false }`
[INFO] [stdout] 0b5235e971ca2f00a068028e9a1f87d137568df65a035c161a6ea64c09a2d5c3