[INFO] fetching crate isabelle-client 0.1.0... [INFO] checking isabelle-client-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate isabelle-client 0.1.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate isabelle-client 0.1.0 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 isabelle-client 0.1.0 [INFO] finished tweaking crates.io crate isabelle-client 0.1.0 [INFO] tweaked toml for crates.io crate isabelle-client 0.1.0 written to /workspace/builds/worker-7-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 91 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding env_logger v0.10.2 (latest: v0.11.3) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding serial_test v1.0.0 (latest: v3.0.0) [INFO] [stderr] Adding serial_test_derive v1.0.0 (latest: v3.0.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [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] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serial_test v1.0.0 [INFO] [stderr] Downloaded serial_test_derive v1.0.0 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c05a0f3425ec4b1a3290219a438f551f70428bf64b431fb588a523a9b5ff0c00 [INFO] running `Command { std: "docker" "start" "-a" "c05a0f3425ec4b1a3290219a438f551f70428bf64b431fb588a523a9b5ff0c00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c05a0f3425ec4b1a3290219a438f551f70428bf64b431fb588a523a9b5ff0c00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c05a0f3425ec4b1a3290219a438f551f70428bf64b431fb588a523a9b5ff0c00", kill_on_drop: false }` [INFO] [stdout] c05a0f3425ec4b1a3290219a438f551f70428bf64b431fb588a523a9b5ff0c00 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 01b8511cd1d2fa40f461c7d1c720c6ca5811fbdd57bb23848b326f79da753921 [INFO] running `Command { std: "docker" "start" "-a" "01b8511cd1d2fa40f461c7d1c720c6ca5811fbdd57bb23848b326f79da753921", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking bytes v1.6.0 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking socket2 v0.5.6 [INFO] [stderr] Checking is-terminal v0.4.12 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking dashmap v5.5.3 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling async-stream-impl v0.3.5 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling serial_test_derive v1.0.0 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking async-stream v0.3.5 [INFO] [stderr] Checking serial_test v1.0.0 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking env_logger v0.10.2 [INFO] [stderr] Checking tokio-stream v0.1.15 [INFO] [stderr] Checking tokio-test v0.4.4 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking isabelle-client v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.70s [INFO] running `Command { std: "docker" "inspect" "01b8511cd1d2fa40f461c7d1c720c6ca5811fbdd57bb23848b326f79da753921", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01b8511cd1d2fa40f461c7d1c720c6ca5811fbdd57bb23848b326f79da753921", kill_on_drop: false }` [INFO] [stdout] 01b8511cd1d2fa40f461c7d1c720c6ca5811fbdd57bb23848b326f79da753921 [INFO] checking isabelle-client-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate isabelle-client 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate isabelle-client 0.1.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate isabelle-client 0.1.0 [INFO] finished tweaking crates.io crate isabelle-client 0.1.0 [INFO] tweaked toml for crates.io crate isabelle-client 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 91 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding env_logger v0.10.2 (latest: v0.11.3) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding serial_test v1.0.0 (latest: v3.0.0) [INFO] [stderr] Adding serial_test_derive v1.0.0 (latest: v3.0.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] afffc131afc8773db1c17f958c9e741fc4de7915bf07c7e3d76210a5f339ff4d [INFO] running `Command { std: "docker" "start" "-a" "afffc131afc8773db1c17f958c9e741fc4de7915bf07c7e3d76210a5f339ff4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "afffc131afc8773db1c17f958c9e741fc4de7915bf07c7e3d76210a5f339ff4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "afffc131afc8773db1c17f958c9e741fc4de7915bf07c7e3d76210a5f339ff4d", kill_on_drop: false }` [INFO] [stdout] afffc131afc8773db1c17f958c9e741fc4de7915bf07c7e3d76210a5f339ff4d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 420106671e66b60ea5e3daea0d1648a7a9f6aa302a918b59f5f40a3e8d7da02d [INFO] running `Command { std: "docker" "start" "-a" "420106671e66b60ea5e3daea0d1648a7a9f6aa302a918b59f5f40a3e8d7da02d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking bytes v1.6.0 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking socket2 v0.5.6 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking is-terminal v0.4.12 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking dashmap v5.5.3 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling async-stream-impl v0.3.5 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Compiling serial_test_derive v1.0.0 [INFO] [stderr] Checking env_logger v0.10.2 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking async-stream v0.3.5 [INFO] [stderr] Checking serial_test v1.0.0 [INFO] [stderr] Checking tokio-stream v0.1.15 [INFO] [stderr] Checking tokio-test v0.4.4 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking isabelle-client v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.39s [INFO] running `Command { std: "docker" "inspect" "420106671e66b60ea5e3daea0d1648a7a9f6aa302a918b59f5f40a3e8d7da02d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "420106671e66b60ea5e3daea0d1648a7a9f6aa302a918b59f5f40a3e8d7da02d", kill_on_drop: false }` [INFO] [stdout] 420106671e66b60ea5e3daea0d1648a7a9f6aa302a918b59f5f40a3e8d7da02d