[INFO] fetching crate ptstd 0.1.2... [INFO] checking ptstd-0.1.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate ptstd 0.1.2 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate ptstd 0.1.2 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ptstd 0.1.2 [INFO] finished tweaking crates.io crate ptstd 0.1.2 [INFO] tweaked toml for crates.io crate ptstd 0.1.2 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 85 packages [INFO] [stderr] Adding der v0.6.1 (latest: v0.7.9) [INFO] [stderr] Adding generic-array v0.14.7 (latest: v1.0.0) [INFO] [stderr] Adding pem-rfc7468 v0.6.0 (latest: v0.7.0) [INFO] [stderr] Adding pkcs1 v0.4.1 (latest: v0.7.5) [INFO] [stderr] Adding pkcs8 v0.9.0 (latest: v0.10.2) [INFO] [stderr] Adding rand v0.3.23 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding rsa v0.7.2 (latest: v0.9.6) [INFO] [stderr] Adding signature v1.6.4 (latest: v2.2.0) [INFO] [stderr] Adding spin v0.5.2 (latest: v0.9.8) [INFO] [stderr] Adding spki v0.6.0 (latest: v0.7.3) [INFO] [stderr] Adding time v0.1.45 (latest: v0.3.34) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.55.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pkcs1 v0.4.1 [INFO] [stderr] Downloaded rsa v0.7.2 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 839e9cc3fc9c292bfdc7fc737b4dc0b4c70b338e0f24a237fdbe214906c6d27a [INFO] running `Command { std: "docker" "start" "-a" "839e9cc3fc9c292bfdc7fc737b4dc0b4c70b338e0f24a237fdbe214906c6d27a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "839e9cc3fc9c292bfdc7fc737b4dc0b4c70b338e0f24a237fdbe214906c6d27a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "839e9cc3fc9c292bfdc7fc737b4dc0b4c70b338e0f24a237fdbe214906c6d27a", kill_on_drop: false }` [INFO] [stdout] 839e9cc3fc9c292bfdc7fc737b4dc0b4c70b338e0f24a237fdbe214906c6d27a [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" "-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 913f911d9108fff33ef31774185b663661a5b85ce7889da9ff4838f46b1ec3bb [INFO] running `Command { std: "docker" "start" "-a" "913f911d9108fff33ef31774185b663661a5b85ce7889da9ff4838f46b1ec3bb", kill_on_drop: false }` [INFO] [stderr] Compiling matrixmultiply v0.3.8 [INFO] [stderr] Checking pem-rfc7468 v0.6.0 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking num-complex v0.4.5 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking chrono v0.4.37 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking num-bigint-dig v0.8.4 [INFO] [stderr] Checking signature v1.6.4 [INFO] [stderr] Checking der v0.6.1 [INFO] [stderr] Checking ndarray v0.15.6 [INFO] [stderr] Checking spki v0.6.0 [INFO] [stderr] Checking pkcs8 v0.9.0 [INFO] [stderr] Checking pkcs1 v0.4.1 [INFO] [stderr] Checking rsa v0.7.2 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Checking ptstd v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/ptr/mrc.rs:18:18 [INFO] [stdout] | [INFO] [stdout] 18 | unsafe { Box::from_raw(self.0) }; [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] 18 | unsafe { let _ = Box::from_raw(self.0); }; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/ptr/mrc.rs:18:18 [INFO] [stdout] | [INFO] [stdout] 18 | unsafe { Box::from_raw(self.0) }; [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] 18 | unsafe { let _ = Box::from_raw(self.0); }; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.90s [INFO] running `Command { std: "docker" "inspect" "913f911d9108fff33ef31774185b663661a5b85ce7889da9ff4838f46b1ec3bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "913f911d9108fff33ef31774185b663661a5b85ce7889da9ff4838f46b1ec3bb", kill_on_drop: false }` [INFO] [stdout] 913f911d9108fff33ef31774185b663661a5b85ce7889da9ff4838f46b1ec3bb