[INFO] fetching crate nan-tag 0.1.0...
[INFO] checking nan-tag-0.1.0 against nightly-2024-02-05 for check-cfg-2
[INFO] extracting crate nan-tag 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate nan-tag 0.1.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nan-tag 0.1.0
[INFO] finished tweaking crates.io crate nan-tag 0.1.0
[INFO] tweaked toml for crates.io crate nan-tag 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6255279598cc85c0221613bf3a8fc4a6b5640279f5b524a30c9e66e8328889ba
[INFO] running `Command { std: "docker" "start" "-a" "6255279598cc85c0221613bf3a8fc4a6b5640279f5b524a30c9e66e8328889ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6255279598cc85c0221613bf3a8fc4a6b5640279f5b524a30c9e66e8328889ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6255279598cc85c0221613bf3a8fc4a6b5640279f5b524a30c9e66e8328889ba", kill_on_drop: false }`
[INFO] [stdout] 6255279598cc85c0221613bf3a8fc4a6b5640279f5b524a30c9e66e8328889ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78dfced95362ae6fe212f11f03f8c5e7711ae624de42003d2eb2902ec0cd27ba
[INFO] running `Command { std: "docker" "start" "-a" "78dfced95362ae6fe212f11f03f8c5e7711ae624de42003d2eb2902ec0cd27ba", kill_on_drop: false }`
[INFO] [stderr]     Checking nan-tag v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:179:22
[INFO] [stdout]     |
[INFO] [stdout] 179 |             unsafe { Box::from_raw(self.value.map_addr(|a| a ^ POINTER_MASK)) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 179 |             unsafe { let _ = Box::from_raw(self.value.map_addr(|a| a ^ POINTER_MASK)); };
[INFO] [stdout]     |                      +++++++                                                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:179:22
[INFO] [stdout]     |
[INFO] [stdout] 179 |             unsafe { Box::from_raw(self.value.map_addr(|a| a ^ POINTER_MASK)) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 179 |             unsafe { let _ = Box::from_raw(self.value.map_addr(|a| a ^ POINTER_MASK)); };
[INFO] [stdout]     |                      +++++++                                                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "78dfced95362ae6fe212f11f03f8c5e7711ae624de42003d2eb2902ec0cd27ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78dfced95362ae6fe212f11f03f8c5e7711ae624de42003d2eb2902ec0cd27ba", kill_on_drop: false }`
[INFO] [stdout] 78dfced95362ae6fe212f11f03f8c5e7711ae624de42003d2eb2902ec0cd27ba
