[INFO] fetching crate keymatrix 0.1.2... [INFO] checking keymatrix-0.1.2 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] extracting crate keymatrix 0.1.2 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate keymatrix 0.1.2 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate keymatrix 0.1.2 [INFO] finished tweaking crates.io crate keymatrix 0.1.2 [INFO] tweaked toml for crates.io crate keymatrix 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded untagged-option v0.1.1 [INFO] [stderr] Downloaded bare-metal v0.2.5 [INFO] [stderr] Downloaded proc-macro-hack-impl v0.4.2 [INFO] [stderr] Downloaded proc-macro-hack v0.4.2 [INFO] [stderr] Downloaded cortex-m v0.4.3 [INFO] [stderr] Downloaded mashup-impl v0.1.12 [INFO] [stderr] Downloaded cortex-m v0.3.1 [INFO] [stderr] Downloaded mashup v0.1.12 [INFO] [stderr] Downloaded rtfm-core v0.2.0 [INFO] [stderr] Downloaded cortex-m-rt-macros v0.1.8 [INFO] [stderr] Downloaded cortex-m v0.6.7 [INFO] [stderr] Downloaded cortex-m v0.7.2 [INFO] [stderr] Downloaded r0 v0.2.2 [INFO] [stderr] Downloaded bare-metal v0.1.3 [INFO] [stderr] Downloaded volatile-register v0.2.0 [INFO] [stderr] Downloaded vcell v0.1.3 [INFO] [stderr] Downloaded cortex-m-rt v0.6.13 [INFO] [stderr] Downloaded aligned v0.3.4 [INFO] [stderr] Downloaded aligned v0.1.2 [INFO] [stderr] Downloaded aligned v0.2.0 [INFO] [stderr] Downloaded bitfield v0.13.2 [INFO] [stderr] Downloaded cortex-m-rtfm-macros v0.3.2 [INFO] [stderr] Downloaded atsamd21g18a v0.4.0 [INFO] [stderr] Downloaded cortex-m-rtfm v0.3.4 [INFO] [stderr] Downloaded atsamd21-hal v0.2.1 [INFO] [stderr] Downloaded rtfm-syntax v0.3.4 [INFO] [stderr] Downloaded samd21g18a v0.2.1 [INFO] [stderr] Downloaded panic-abort v0.2.0 [INFO] [stderr] Downloaded cortex-m v0.5.11 [INFO] [stderr] Downloaded atsamd-hal v0.4.1 [INFO] [stderr] Downloaded atsamd21g18a v0.3.1 [INFO] [stderr] Downloaded samd21_mini v0.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 259349eac7fa5390acf11aad9ca1d7d4208fd3bf13282d9e0657c2a39401ac47 [INFO] running `Command { std: "docker" "start" "-a" "259349eac7fa5390acf11aad9ca1d7d4208fd3bf13282d9e0657c2a39401ac47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "259349eac7fa5390acf11aad9ca1d7d4208fd3bf13282d9e0657c2a39401ac47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "259349eac7fa5390acf11aad9ca1d7d4208fd3bf13282d9e0657c2a39401ac47", kill_on_drop: false }` [INFO] [stdout] 259349eac7fa5390acf11aad9ca1d7d4208fd3bf13282d9e0657c2a39401ac47 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c11faa87e95cb81450064703f509244556cc3d773d2320f5f816589161efc967 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c11faa87e95cb81450064703f509244556cc3d773d2320f5f816589161efc967", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Checking vcell v0.1.3 [INFO] [stderr] Checking nb v1.0.0 [INFO] [stderr] Compiling cortex-m v0.7.2 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking bitfield v0.13.2 [INFO] [stderr] Compiling cortex-m v0.6.7 [INFO] [stderr] Compiling cortex-m v0.5.11 [INFO] [stderr] Checking aligned v0.2.0 [INFO] [stderr] Compiling libc v0.2.88 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling proc-macro-hack-impl v0.4.2 [INFO] [stderr] Compiling cortex-m-rt v0.6.13 [INFO] [stderr] Checking r0 v0.2.2 [INFO] [stderr] Checking bare-metal v0.1.3 [INFO] [stderr] Compiling atsamd21g18a v0.4.0 [INFO] [stderr] Checking aligned v0.1.2 [INFO] [stderr] Compiling atsamd21g18a v0.3.1 [INFO] [stderr] Compiling cortex-m v0.4.3 [INFO] [stderr] Compiling cortex-m v0.3.1 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling cortex-m-rtfm v0.3.4 [INFO] [stderr] Checking untagged-option v0.1.1 [INFO] [stderr] Checking rtfm-core v0.2.0 [INFO] [stdout] error[E0740]: unions may not contain fields that need dropping [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/untagged-option-0.1.1/src/lib.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 53 | pub some: T, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `std::mem::ManuallyDrop` can be used to wrap the type [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/untagged-option-0.1.1/src/lib.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 53 | pub some: T, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0740`. [INFO] [stdout] [INFO] [stderr] error: could not compile `untagged-option` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "c11faa87e95cb81450064703f509244556cc3d773d2320f5f816589161efc967", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c11faa87e95cb81450064703f509244556cc3d773d2320f5f816589161efc967", kill_on_drop: false }` [INFO] [stdout] c11faa87e95cb81450064703f509244556cc3d773d2320f5f816589161efc967