[INFO] fetching crate accel 0.3.1... [INFO] checking accel-0.3.1 against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345 [INFO] extracting crate accel 0.3.1 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate accel 0.3.1 on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3 [INFO] running `"/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate accel 0.3.1 [INFO] finished tweaking crates.io crate accel 0.3.1 [INFO] tweaked toml for crates.io crate accel 0.3.1 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate crates.io crate accel 0.3.1 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 52c59a750ece28d4bd854a8dc6813f80bd29d8ec5b6501ef7360f6f7e72e7969 [INFO] running `"docker" "start" "-a" "52c59a750ece28d4bd854a8dc6813f80bd29d8ec5b6501ef7360f6f7e72e7969"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling syn v1.0.23 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling gimli v0.21.0 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling object v0.19.0 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling anyhow v1.0.31 [INFO] [stderr] Checking crossbeam-utils v0.7.2 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking criterion-plot v0.4.2 [INFO] [stderr] Compiling cuda-config v0.1.0 [INFO] [stderr] Checking crossbeam-epoch v0.8.2 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Compiling cuda-driver-sys v0.3.0 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking rayon-core v1.7.0 [INFO] [stderr] Compiling dirs-sys v0.3.4 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking plotters v0.2.14 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Compiling addr2line v0.12.1 [INFO] [stderr] Compiling backtrace v0.3.48 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling serde_derive v1.0.110 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling thiserror-impl v1.0.19 [INFO] [stderr] Compiling paste-impl v0.1.13 [INFO] [stderr] Compiling derive-new v0.5.8 [INFO] [stderr] Checking paste v0.1.13 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Checking thiserror v1.0.19 [INFO] [stderr] Checking serde v1.0.110 [INFO] [stderr] Checking serde_json v1.0.53 [INFO] [stderr] Checking bstr v0.2.13 [INFO] [stderr] Compiling toml v0.5.6 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking tinytemplate v1.0.4 [INFO] [stderr] Checking criterion v0.3.2 [INFO] [stderr] Compiling accel-derive v0.3.0 [INFO] [stderr] Checking accel v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] error: toolchain 'nightly-2020-05-01-x86_64-unknown-linux-gnu' is not installed [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: toolchain 'nightly-2020-05-01-x86_64-unknown-linux-gnu' is not installed [INFO] [stderr] [INFO] [stderr] error: custom attribute panicked [INFO] [stderr] --> examples/add.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #[kernel] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: message: Failed to compile to PTX: ErrorMessage { msg: "External command failed: \"cargo\" \"+nightly-2020-05-01\" \"fmt\"" } [INFO] [stderr] [INFO] [stderr] 0: failure::backtrace::internal::InternalBacktrace::new [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/backtrace/internal.rs:46 [INFO] [stderr] 1: failure::backtrace::Backtrace::new [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/backtrace/mod.rs:121 [INFO] [stderr] 2: >::from [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/error/error_impl.rs:19 [INFO] [stderr] 3: >::from [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/error/mod.rs:36 [INFO] [stderr] 4: failure::error_message::err_msg [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/error_message.rs:12 [INFO] [stderr] 5: ::check_run [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/accel-derive-0.3.0/src/builder.rs:29 [INFO] [stderr] 6: accel_derive::builder::compile_tokens [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/accel-derive-0.3.0/src/builder.rs:106 [INFO] [stderr] 7: accel_derive::kernel [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/accel-derive-0.3.0/src/lib.rs:34 [INFO] [stderr] 8: core::ops::function::FnOnce::call_once [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libcore/ops/function.rs:232 [INFO] [stderr] 9: proc_macro::bridge::client::Client proc_macro::TokenStream>::expand2::run::{{closure}} [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libproc_macro/bridge/client.rs:422 [INFO] [stderr] 10: proc_macro::bridge::client::run_client::{{closure}}::{{closure}} [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libproc_macro/bridge/client.rs:375 [INFO] [stderr] 11: proc_macro::bridge::scoped_cell::ScopedCell::set::{{closure}} [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libproc_macro/bridge/scoped_cell.rs:79 [INFO] [stderr] 12: proc_macro::bridge::scoped_cell::ScopedCell::replace [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libproc_macro/bridge/scoped_cell.rs:74 [INFO] [stderr] 13: proc_macro::bridge::scoped_cell::ScopedCell::set [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libproc_macro/bridge/scoped_cell.rs:79 [INFO] [stderr] 14: proc_macro::bridge::client::::enter::{{closure}} [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libproc_macro/bridge/client.rs:323 [INFO] [stderr] 15: std::thread::local::LocalKey::try_with [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libstd/thread/local.rs:263 [INFO] [stderr] 16: std::thread::local::LocalKey::with [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libstd/thread/local.rs:239 [INFO] [stderr] 17: proc_macro::bridge::client::::enter [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libproc_macro/bridge/client.rs:323 [INFO] [stderr] 18: proc_macro::bridge::client::run_client::{{closure}} [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libproc_macro/bridge/client.rs:368 [INFO] [stderr] 19: as core::ops::function::FnOnce<()>>::call_once [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libstd/panic.rs:318 [INFO] [stderr] 20: std::panicking::try::do_call [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libstd/panicking.rs:297 [INFO] [stderr] 21: __rust_try [INFO] [stderr] 22: std::panicking::try [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libstd/panicking.rs:274 [INFO] [stderr] 23: std::panic::catch_unwind [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libstd/panic.rs:394 [INFO] [stderr] 24: proc_macro::bridge::client::run_client [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libproc_macro/bridge/client.rs:367 [INFO] [stderr] 25: proc_macro::bridge::client::Client proc_macro::TokenStream>::expand2::run [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libproc_macro/bridge/client.rs:421 [INFO] [stderr] 26: proc_macro::bridge::server::run_server [INFO] [stderr] 27: ::expand [INFO] [stderr] 28: rustc_expand::expand::MacroExpander::fully_expand_fragment [INFO] [stderr] 29: rustc_expand::expand::MacroExpander::expand_crate [INFO] [stderr] 30: rustc_session::utils::::time [INFO] [stderr] 31: rustc_interface::passes::configure_and_expand_inner [INFO] [stderr] 32: rustc_interface::passes::configure_and_expand::{{closure}} [INFO] [stderr] 33: rustc_data_structures::box_region::PinnedGenerator::new [INFO] [stderr] 34: rustc_interface::passes::configure_and_expand [INFO] [stderr] 35: rustc_interface::queries::Queries::expansion [INFO] [stderr] 36: rustc_interface::queries::::enter [INFO] [stderr] 37: rustc_span::with_source_map [INFO] [stderr] 38: rustc_interface::interface::run_compiler_in_existing_thread_pool [INFO] [stderr] 39: scoped_tls::ScopedKey::set [INFO] [stderr] 40: std::sys_common::backtrace::__rust_begin_short_backtrace [INFO] [stderr] 41: core::ops::function::FnOnce::call_once{{vtable.shim}} [INFO] [stderr] 42: as core::ops::function::FnOnce>::call_once [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/liballoc/boxed.rs:1076 [INFO] [stderr] as core::ops::function::FnOnce>::call_once [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/liballoc/boxed.rs:1076 [INFO] [stderr] std::sys::unix::thread::Thread::new::thread_start [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 43: start_thread [INFO] [stderr] 44: clone [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] error: custom attribute panicked [INFO] [stderr] --> tests/read_host_memory.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #[kernel] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: message: Failed to compile to PTX: ErrorMessage { msg: "External command failed: \"cargo\" \"+nightly-2020-05-01\" \"fmt\"" } [INFO] [stderr] [INFO] [stderr] 0: failure::backtrace::internal::InternalBacktrace::new [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/backtrace/internal.rs:46 [INFO] [stderr] 1: failure::backtrace::Backtrace::new [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/backtrace/mod.rs:121 [INFO] [stderr] 2: >::from [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/error/error_impl.rs:19 [INFO] [stderr] 3: >::from [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/error/mod.rs:36 [INFO] [stderr] 4: failure::error_message::err_msg [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/error_message.rs:12 [INFO] [stderr] 5: ::check_run [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/accel-derive-0.3.0/src/builder.rs:29 [INFO] [stderr] 6: accel_derive::builder::compile_tokens [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/accel-derive-0.3.0/src/builder.rs:106 [INFO] [stderr] 7: accel_derive::kernel [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/accel-derive-0.3.0/src/lib.rs:34 [INFO] [stderr] 8: core::ops::function::FnOnce::call_once [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libcore/ops/function.rs:232 [INFO] [stderr] 9: proc_macro::bridge::client::Client proc_macro::TokenStream>::expand2::run::{{closure}} [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libproc_macro/bridge/client.rs:422 [INFO] [stderr] 10: proc_macro::bridge::client::run_client::{{closure}}::{{closure}} [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libproc_macro/bridge/client.rs:375 [INFO] [stderr] 11: proc_macro::bridge::scoped_cell::ScopedCell::set::{{closure}} [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libproc_macro/bridge/scoped_cell.rs:79 [INFO] [stderr] 12: proc_macro::bridge::scoped_cell::ScopedCell::replace [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libproc_macro/bridge/scoped_cell.rs:74 [INFO] [stderr] 13: proc_macro::bridge::scoped_cell::ScopedCell::set [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libproc_macro/bridge/scoped_cell.rs:79 [INFO] [stderr] 14: proc_macro::bridge::client::::enter::{{closure}} [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libproc_macro/bridge/client.rs:323 [INFO] [stderr] 15: std::thread::local::LocalKey::try_with [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libstd/thread/local.rs:263 [INFO] [stderr] 16: std::thread::local::LocalKey::with [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libstd/thread/local.rs:239 [INFO] [stderr] 17: proc_macro::bridge::client::::enter [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libproc_macro/bridge/client.rs:323 [INFO] [stderr] 18: proc_macro::bridge::client::run_client::{{closure}} [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libproc_macro/bridge/client.rs:368 [INFO] [stderr] 19: as core::ops::function::FnOnce<()>>::call_once [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libstd/panic.rs:318 [INFO] [stderr] 20: std::panicking::try::do_call [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libstd/panicking.rs:297 [INFO] [stderr] 21: __rust_try [INFO] [stderr] 22: std::panicking::try [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libstd/panicking.rs:274 [INFO] [stderr] 23: std::panic::catch_unwind [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libstd/panic.rs:394 [INFO] [stderr] 24: proc_macro::bridge::client::run_client [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libproc_macro/bridge/client.rs:367 [INFO] [stderr] 25: proc_macro::bridge::client::Client proc_macro::TokenStream>::expand2::run [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libproc_macro/bridge/client.rs:421 [INFO] [stderr] 26: proc_macro::bridge::server::run_server [INFO] [stderr] 27: ::expand [INFO] [stderr] 28: rustc_expand::expand::MacroExpander::fully_expand_fragment [INFO] [stderr] 29: rustc_expand::expand::MacroExpander::expand_crate [INFO] [stderr] 30: rustc_session::utils::::time [INFO] [stderr] 31: rustc_interface::passes::configure_and_expand_inner [INFO] [stderr] 32: rustc_interface::passes::configure_and_expand::{{closure}} [INFO] [stderr] 33: rustc_data_structures::box_region::PinnedGenerator::new [INFO] [stderr] 34: rustc_interface::passes::configure_and_expand [INFO] [stderr] 35: rustc_interface::queries::Queries::expansion [INFO] [stderr] 36: rustc_interface::queries::::enter [INFO] [stderr] 37: rustc_span::with_source_map [INFO] [stderr] 38: rustc_interface::interface::run_compiler_in_existing_thread_pool [INFO] [stderr] 39: scoped_tls::ScopedKey::set [INFO] [stderr] 40: std::sys_common::backtrace::__rust_begin_short_backtrace [INFO] [stderr] 41: core::ops::function::FnOnce::call_once{{vtable.shim}} [INFO] [stderr] 42: as core::ops::function::FnOnce>::call_once [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/liballoc/boxed.rs:1076 [INFO] [stderr] as core::ops::function::FnOnce>::call_once [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/liballoc/boxed.rs:1076 [INFO] [stderr] std::sys::unix::thread::Thread::new::thread_start [INFO] [stderr] at /rustc/4fb54ed484e2239a3e9eff3be17df00d2a162be3/src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 43: start_thread [INFO] [stderr] 44: clone [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `read_host_memory` in this scope [INFO] [stderr] --> tests/read_host_memory.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | read_host_memory(ctx, 1, 4, &(&a.as_ptr(),))?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `read_host_memory` in this scope [INFO] [stderr] --> tests/read_host_memory.rs:34:5 [INFO] [stderr] | [INFO] [stderr] 34 | read_host_memory(ctx, 1, 4, &(&mem.as_ptr(),))?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `add` in this scope [INFO] [stderr] --> examples/add.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | add( [INFO] [stderr] | ^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0425`. [INFO] [stderr] error: could not compile `accel`. [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: aborting due to 3 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0425`. [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "52c59a750ece28d4bd854a8dc6813f80bd29d8ec5b6501ef7360f6f7e72e7969"` [INFO] running `"docker" "rm" "-f" "52c59a750ece28d4bd854a8dc6813f80bd29d8ec5b6501ef7360f6f7e72e7969"` [INFO] [stdout] 52c59a750ece28d4bd854a8dc6813f80bd29d8ec5b6501ef7360f6f7e72e7969