[INFO] fetching crate verilogae_util 0.8.0... [INFO] checking verilogae_util-0.8.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate verilogae_util 0.8.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate verilogae_util 0.8.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate verilogae_util 0.8.0 [INFO] finished tweaking crates.io crate verilogae_util 0.8.0 [INFO] tweaked toml for crates.io crate verilogae_util 0.8.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 41 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding ctor v0.1.26 (latest: v0.2.7) [INFO] [stderr] Adding indoc v0.3.6 (latest: v2.0.5) [INFO] [stderr] Adding indoc-impl v0.3.6 (latest: v0.3.7) [INFO] [stderr] Adding inventory v0.1.11 (latest: v0.3.15) [INFO] [stderr] Adding numpy v0.13.2 (latest: v0.21.0) [INFO] [stderr] Adding parking_lot v0.11.2 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot_core v0.8.6 (latest: v0.9.9) [INFO] [stderr] Adding paste v0.1.18 (latest: v1.0.14) [INFO] [stderr] Adding pyo3 v0.13.2 (latest: v0.21.1) [INFO] [stderr] Adding pyo3-macros v0.13.2 (latest: v0.21.1) [INFO] [stderr] Adding pyo3-macros-backend v0.13.2 (latest: v0.21.1) [INFO] [stderr] Adding redox_syscall v0.2.16 (latest: v0.5.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding unindent v0.1.11 (latest: v0.2.3) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pyo3-macros-backend v0.13.2 [INFO] [stderr] Downloaded numpy v0.13.2 [INFO] [stderr] Downloaded pyo3-macros v0.13.2 [INFO] [stderr] Downloaded pyo3 v0.13.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7e62ec2ec8bd0f961a5707346a131d204f016dde0b0c578435d3c8ee9d8d1f8f [INFO] running `Command { std: "docker" "start" "-a" "7e62ec2ec8bd0f961a5707346a131d204f016dde0b0c578435d3c8ee9d8d1f8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7e62ec2ec8bd0f961a5707346a131d204f016dde0b0c578435d3c8ee9d8d1f8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e62ec2ec8bd0f961a5707346a131d204f016dde0b0c578435d3c8ee9d8d1f8f", kill_on_drop: false }` [INFO] [stdout] 7e62ec2ec8bd0f961a5707346a131d204f016dde0b0c578435d3c8ee9d8d1f8f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3f336e23a6b0832ae5319ef82938fe0c826b699eca9fe43f051b94844fd64cf0 [INFO] running `Command { std: "docker" "start" "-a" "3f336e23a6b0832ae5319ef82938fe0c826b699eca9fe43f051b94844fd64cf0", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling matrixmultiply v0.3.8 [INFO] [stderr] Compiling inventory v0.1.11 [INFO] [stderr] Compiling unindent v0.1.11 [INFO] [stderr] Compiling pyo3 v0.13.2 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling ghost v0.1.17 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Checking num-complex v0.4.5 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking paste v0.1.18 [INFO] [stderr] Checking ndarray v0.15.6 [INFO] [stderr] Compiling pyo3-macros-backend v0.13.2 [INFO] [stderr] Compiling inventory-impl v0.1.11 [INFO] [stderr] Compiling indoc-impl v0.3.6 [INFO] [stderr] Compiling ctor v0.1.26 [INFO] [stderr] Checking indoc v0.3.6 [INFO] [stderr] Compiling pyo3-macros v0.13.2 [INFO] [stderr] Checking numpy v0.13.2 [INFO] [stderr] Checking verilogae_util v0.8.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:176:13 [INFO] [stdout] | [INFO] [stdout] 176 | CString::from_raw(self.0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(from_raw(ptr))` if you intend to drop the `CString` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 176 | let _ = CString::from_raw(self.0); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:230:13 [INFO] [stdout] | [INFO] [stdout] 230 | 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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 230 | let _ = Box::from_raw(self.0); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:176:13 [INFO] [stdout] | [INFO] [stdout] 176 | CString::from_raw(self.0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(from_raw(ptr))` if you intend to drop the `CString` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 176 | let _ = CString::from_raw(self.0); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:230:13 [INFO] [stdout] | [INFO] [stdout] 230 | 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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 230 | let _ = Box::from_raw(self.0); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.35s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: pyo3 v0.13.2, pyo3-macros-backend v0.13.2 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "3f336e23a6b0832ae5319ef82938fe0c826b699eca9fe43f051b94844fd64cf0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f336e23a6b0832ae5319ef82938fe0c826b699eca9fe43f051b94844fd64cf0", kill_on_drop: false }` [INFO] [stdout] 3f336e23a6b0832ae5319ef82938fe0c826b699eca9fe43f051b94844fd64cf0 [INFO] checking verilogae_util-0.8.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate verilogae_util 0.8.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate verilogae_util 0.8.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate verilogae_util 0.8.0 [INFO] finished tweaking crates.io crate verilogae_util 0.8.0 [INFO] tweaked toml for crates.io crate verilogae_util 0.8.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3425c7f48f02c37a9b431cc261c33b3b821d84724e340f0a3709fa285d84af41 [INFO] running `Command { std: "docker" "start" "-a" "3425c7f48f02c37a9b431cc261c33b3b821d84724e340f0a3709fa285d84af41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3425c7f48f02c37a9b431cc261c33b3b821d84724e340f0a3709fa285d84af41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3425c7f48f02c37a9b431cc261c33b3b821d84724e340f0a3709fa285d84af41", kill_on_drop: false }` [INFO] [stdout] 3425c7f48f02c37a9b431cc261c33b3b821d84724e340f0a3709fa285d84af41 [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" "-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cf06592f013876e5d089b8dda051b465c4d5c45985f314c6ae11487d1e9afe99 [INFO] running `Command { std: "docker" "start" "-a" "cf06592f013876e5d089b8dda051b465c4d5c45985f314c6ae11487d1e9afe99", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling matrixmultiply v0.3.8 [INFO] [stderr] Compiling inventory v0.1.11 [INFO] [stderr] Compiling unindent v0.1.11 [INFO] [stderr] Compiling pyo3 v0.13.2 [INFO] [stderr] Compiling ghost v0.1.17 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Checking paste v0.1.18 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.5 [INFO] [stderr] Checking ndarray v0.15.6 [INFO] [stderr] Compiling pyo3-macros-backend v0.13.2 [INFO] [stderr] Compiling ctor v0.1.26 [INFO] [stderr] Compiling inventory-impl v0.1.11 [INFO] [stderr] Compiling indoc-impl v0.3.6 [INFO] [stderr] Checking indoc v0.3.6 [INFO] [stderr] Compiling pyo3-macros v0.13.2 [INFO] [stderr] Checking numpy v0.13.2 [INFO] [stderr] Checking verilogae_util v0.8.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:176:13 [INFO] [stdout] | [INFO] [stdout] 176 | CString::from_raw(self.0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(from_raw(ptr))` if you intend to drop the `CString` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 176 | let _ = CString::from_raw(self.0); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:230:13 [INFO] [stdout] | [INFO] [stdout] 230 | 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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 230 | let _ = Box::from_raw(self.0); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:176:13 [INFO] [stdout] | [INFO] [stdout] 176 | CString::from_raw(self.0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(from_raw(ptr))` if you intend to drop the `CString` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 176 | let _ = CString::from_raw(self.0); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:230:13 [INFO] [stdout] | [INFO] [stdout] 230 | 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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 230 | let _ = Box::from_raw(self.0); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.07s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: pyo3 v0.13.2, pyo3-macros-backend v0.13.2 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "cf06592f013876e5d089b8dda051b465c4d5c45985f314c6ae11487d1e9afe99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf06592f013876e5d089b8dda051b465c4d5c45985f314c6ae11487d1e9afe99", kill_on_drop: false }` [INFO] [stdout] cf06592f013876e5d089b8dda051b465c4d5c45985f314c6ae11487d1e9afe99