[INFO] fetching crate build-utils 0.1.0... [INFO] testing build-utils-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate build-utils 0.1.0 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate build-utils 0.1.0 [INFO] finished tweaking crates.io crate build-utils 0.1.0 [INFO] tweaked toml for crates.io crate build-utils 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate build-utils 0.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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] [stderr] Adding base64 v0.13.1 (available: v0.22.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0fe6e701adf4a8b86626a6b44fc70594004739c02ca24a52b5d95fccceb29b91 [INFO] running `Command { std: "docker" "start" "-a" "0fe6e701adf4a8b86626a6b44fc70594004739c02ca24a52b5d95fccceb29b91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0fe6e701adf4a8b86626a6b44fc70594004739c02ca24a52b5d95fccceb29b91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0fe6e701adf4a8b86626a6b44fc70594004739c02ca24a52b5d95fccceb29b91", kill_on_drop: false }` [INFO] [stdout] 0fe6e701adf4a8b86626a6b44fc70594004739c02ca24a52b5d95fccceb29b91 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 48f2f1f32afbdb59d40bbace83cf844fa007089cb5a8c896b809649ff669c44c [INFO] running `Command { std: "docker" "start" "-a" "48f2f1f32afbdb59d40bbace83cf844fa007089cb5a8c896b809649ff669c44c", kill_on_drop: false }` [INFO] [stderr] Compiling base64 v0.13.1 [INFO] [stderr] Compiling build-utils v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function `from_persistent` is never used [INFO] [stdout] --> src/util.rs:85:12 [INFO] [stdout] | [INFO] [stdout] 84 | impl TemporaryPath { [INFO] [stdout] | ------------------ associated function in this implementation [INFO] [stdout] 85 | pub fn from_persistent(path: PathBuf) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell` [INFO] [stdout] --> src/util.rs:96:37 [INFO] [stdout] | [INFO] [stdout] 96 | let mut_released = unsafe { &mut *(&self.inner.released as *const bool as *mut bool) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: for more information, visit [INFO] [stdout] = note: `#[deny(invalid_reference_casting)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `build-utils` (lib) due to 1 previous error; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "48f2f1f32afbdb59d40bbace83cf844fa007089cb5a8c896b809649ff669c44c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48f2f1f32afbdb59d40bbace83cf844fa007089cb5a8c896b809649ff669c44c", kill_on_drop: false }` [INFO] [stdout] 48f2f1f32afbdb59d40bbace83cf844fa007089cb5a8c896b809649ff669c44c