[INFO] fetching crate euphrates_x64 0.1.0... [INFO] checking euphrates_x64-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate euphrates_x64 0.1.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate euphrates_x64 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 euphrates_x64 0.1.0 [INFO] finished tweaking crates.io crate euphrates_x64 0.1.0 [INFO] tweaked toml for crates.io crate euphrates_x64 0.1.0 written to /workspace/builds/worker-6-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 51 packages [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded euphrates v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f51e6a64cf789c7ec9a5204a37afe9e9e10443b8dfb2f45ff462b832437fb150 [INFO] running `Command { std: "docker" "start" "-a" "f51e6a64cf789c7ec9a5204a37afe9e9e10443b8dfb2f45ff462b832437fb150", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f51e6a64cf789c7ec9a5204a37afe9e9e10443b8dfb2f45ff462b832437fb150", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f51e6a64cf789c7ec9a5204a37afe9e9e10443b8dfb2f45ff462b832437fb150", kill_on_drop: false }` [INFO] [stdout] f51e6a64cf789c7ec9a5204a37afe9e9e10443b8dfb2f45ff462b832437fb150 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ef1a68b6cd2a6f4b6dbda2959fd2ed0cc937af56c13585c7697f20ce3ae54cbe [INFO] running `Command { std: "docker" "start" "-a" "ef1a68b6cd2a6f4b6dbda2959fd2ed0cc937af56c13585c7697f20ce3ae54cbe", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling euphrates_x64 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] warning: euphrates_x64@0.1.0: clang: warning: argument unused during compilation: '-ffunction-sections' [-Wunused-command-line-argument] [INFO] [stderr] warning: euphrates_x64@0.1.0: clang: warning: argument unused during compilation: '-fdata-sections' [-Wunused-command-line-argument] [INFO] [stderr] warning: euphrates_x64@0.1.0: clang: warning: argument unused during compilation: '-fno-omit-frame-pointer' [-Wunused-command-line-argument] [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking euphrates v0.1.0 [INFO] [stdout] warning: `extern` block uses type `[u8; 4]`, which is not FFI-safe [INFO] [stdout] --> src/lib.rs:7:58 [INFO] [stdout] | [INFO] [stdout] 7 | fn euphrates_x64_pattern_to_palette_indices(pattern: [u8; 4]) -> [u8; 8]; [INFO] [stdout] | ^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider passing a pointer to the array [INFO] [stdout] = note: passing raw arrays by value is not FFI-safe [INFO] [stdout] = note: `#[warn(improper_ctypes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `[u8; 8]`, which is not FFI-safe [INFO] [stdout] --> src/lib.rs:7:70 [INFO] [stdout] | [INFO] [stdout] 7 | fn euphrates_x64_pattern_to_palette_indices(pattern: [u8; 4]) -> [u8; 8]; [INFO] [stdout] | ^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider passing a pointer to the array [INFO] [stdout] = note: passing raw arrays by value is not FFI-safe [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `[u8; 4]`, which is not FFI-safe [INFO] [stdout] --> src/lib.rs:7:58 [INFO] [stdout] | [INFO] [stdout] 7 | fn euphrates_x64_pattern_to_palette_indices(pattern: [u8; 4]) -> [u8; 8]; [INFO] [stdout] | ^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider passing a pointer to the array [INFO] [stdout] = note: passing raw arrays by value is not FFI-safe [INFO] [stdout] = note: `#[warn(improper_ctypes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `[u8; 8]`, which is not FFI-safe [INFO] [stdout] --> src/lib.rs:7:70 [INFO] [stdout] | [INFO] [stdout] 7 | fn euphrates_x64_pattern_to_palette_indices(pattern: [u8; 4]) -> [u8; 8]; [INFO] [stdout] | ^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider passing a pointer to the array [INFO] [stdout] = note: passing raw arrays by value is not FFI-safe [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.80s [INFO] running `Command { std: "docker" "inspect" "ef1a68b6cd2a6f4b6dbda2959fd2ed0cc937af56c13585c7697f20ce3ae54cbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef1a68b6cd2a6f4b6dbda2959fd2ed0cc937af56c13585c7697f20ce3ae54cbe", kill_on_drop: false }` [INFO] [stdout] ef1a68b6cd2a6f4b6dbda2959fd2ed0cc937af56c13585c7697f20ce3ae54cbe [INFO] checking euphrates_x64-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate euphrates_x64 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate euphrates_x64 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 euphrates_x64 0.1.0 [INFO] finished tweaking crates.io crate euphrates_x64 0.1.0 [INFO] tweaked toml for crates.io crate euphrates_x64 0.1.0 written to /workspace/builds/worker-6-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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 51 packages [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d0c287b70ef56f022cd0845f1ba6bfc29cd40a6c5166def53bc76a7dc68f8f9a [INFO] running `Command { std: "docker" "start" "-a" "d0c287b70ef56f022cd0845f1ba6bfc29cd40a6c5166def53bc76a7dc68f8f9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d0c287b70ef56f022cd0845f1ba6bfc29cd40a6c5166def53bc76a7dc68f8f9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0c287b70ef56f022cd0845f1ba6bfc29cd40a6c5166def53bc76a7dc68f8f9a", kill_on_drop: false }` [INFO] [stdout] d0c287b70ef56f022cd0845f1ba6bfc29cd40a6c5166def53bc76a7dc68f8f9a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] abd9afdf7d8954be51d3cc597dac40bf06473da888677a46c825837e7fe9fd41 [INFO] running `Command { std: "docker" "start" "-a" "abd9afdf7d8954be51d3cc597dac40bf06473da888677a46c825837e7fe9fd41", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling euphrates_x64 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] warning: euphrates_x64@0.1.0: clang: warning: argument unused during compilation: '-ffunction-sections' [-Wunused-command-line-argument] [INFO] [stderr] warning: euphrates_x64@0.1.0: clang: warning: argument unused during compilation: '-fdata-sections' [-Wunused-command-line-argument] [INFO] [stderr] warning: euphrates_x64@0.1.0: clang: warning: argument unused during compilation: '-fno-omit-frame-pointer' [-Wunused-command-line-argument] [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking euphrates v0.1.0 [INFO] [stdout] warning: `extern` block uses type `[u8; 4]`, which is not FFI-safe [INFO] [stdout] --> src/lib.rs:7:58 [INFO] [stdout] | [INFO] [stdout] 7 | fn euphrates_x64_pattern_to_palette_indices(pattern: [u8; 4]) -> [u8; 8]; [INFO] [stdout] | ^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider passing a pointer to the array [INFO] [stdout] = note: passing raw arrays by value is not FFI-safe [INFO] [stdout] = note: `#[warn(improper_ctypes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `[u8; 8]`, which is not FFI-safe [INFO] [stdout] --> src/lib.rs:7:70 [INFO] [stdout] | [INFO] [stdout] 7 | fn euphrates_x64_pattern_to_palette_indices(pattern: [u8; 4]) -> [u8; 8]; [INFO] [stdout] | ^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider passing a pointer to the array [INFO] [stdout] = note: passing raw arrays by value is not FFI-safe [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `[u8; 4]`, which is not FFI-safe [INFO] [stdout] --> src/lib.rs:7:58 [INFO] [stdout] | [INFO] [stdout] 7 | fn euphrates_x64_pattern_to_palette_indices(pattern: [u8; 4]) -> [u8; 8]; [INFO] [stdout] | ^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider passing a pointer to the array [INFO] [stdout] = note: passing raw arrays by value is not FFI-safe [INFO] [stdout] = note: `#[warn(improper_ctypes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `[u8; 8]`, which is not FFI-safe [INFO] [stdout] --> src/lib.rs:7:70 [INFO] [stdout] | [INFO] [stdout] 7 | fn euphrates_x64_pattern_to_palette_indices(pattern: [u8; 4]) -> [u8; 8]; [INFO] [stdout] | ^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider passing a pointer to the array [INFO] [stdout] = note: passing raw arrays by value is not FFI-safe [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.94s [INFO] running `Command { std: "docker" "inspect" "abd9afdf7d8954be51d3cc597dac40bf06473da888677a46c825837e7fe9fd41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "abd9afdf7d8954be51d3cc597dac40bf06473da888677a46c825837e7fe9fd41", kill_on_drop: false }` [INFO] [stdout] abd9afdf7d8954be51d3cc597dac40bf06473da888677a46c825837e7fe9fd41