Dec 05 13:19:02.249 INFO testing nacika-ins/actix-sample against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514 Dec 05 13:19:02.249 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Dec 05 13:19:02.765 INFO [stdout] 9b825cb2c4b9b990bd65e91b96e20e92057381be7aa56dc7e8742f8f4b6637af Dec 05 13:19:02.765 INFO running `"docker" "start" "-a" "9b825cb2c4b9b990bd65e91b96e20e92057381be7aa56dc7e8742f8f4b6637af"` Dec 05 13:19:03.787 INFO [stderr] usermod: no changes Dec 05 13:19:04.136 INFO [stderr] Compiling arc-swap v0.3.6 Dec 05 13:19:04.138 INFO [stderr] Compiling synstructure v0.10.1 Dec 05 13:19:04.139 INFO [stderr] Compiling actix_derive v0.3.2 Dec 05 13:19:04.144 INFO [stderr] Compiling crossbeam-channel v0.2.6 Dec 05 13:19:05.941 INFO [stderr] Compiling signal-hook v0.1.6 Dec 05 13:19:12.075 INFO [stderr] Compiling tokio-signal v0.2.7 Dec 05 13:19:14.581 INFO [stderr] Compiling failure_derive v0.1.3 Dec 05 13:19:18.096 INFO [stderr] Compiling failure v0.1.3 Dec 05 13:19:18.832 INFO [stderr] Compiling trust-dns-proto v0.5.0 Dec 05 13:19:26.216 INFO [stderr] Compiling trust-dns-resolver v0.10.0 Dec 05 13:19:35.360 INFO [stderr] Compiling actix v0.7.7 Dec 05 13:19:42.612 INFO [stderr] Compiling act v0.1.0 (/source) Dec 05 13:19:44.572 INFO [stderr] warning: unused import: `std::thread` Dec 05 13:19:44.572 INFO [stderr] --> src/actor/supervisor_actor.rs:4:5 Dec 05 13:19:44.572 INFO [stderr] | Dec 05 13:19:44.572 INFO [stderr] 4 | use std::thread; Dec 05 13:19:44.572 INFO [stderr] | ^^^^^^^^^^^ Dec 05 13:19:44.572 INFO [stderr] | Dec 05 13:19:44.572 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 05 13:19:44.572 INFO [stderr] Dec 05 13:19:44.572 INFO [stderr] warning: unused import: `std::time::Duration` Dec 05 13:19:44.572 INFO [stderr] --> src/actor/supervisor_actor.rs:5:5 Dec 05 13:19:44.572 INFO [stderr] | Dec 05 13:19:44.573 INFO [stderr] 5 | use std::time::Duration; Dec 05 13:19:44.573 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^ Dec 05 13:19:44.573 INFO [stderr] Dec 05 13:19:44.573 INFO [stderr] warning: unused import: `std::thread` Dec 05 13:19:44.573 INFO [stderr] --> src/actor/sample_actor.rs:2:5 Dec 05 13:19:44.573 INFO [stderr] | Dec 05 13:19:44.573 INFO [stderr] 2 | use std::thread; Dec 05 13:19:44.573 INFO [stderr] | ^^^^^^^^^^^ Dec 05 13:19:44.573 INFO [stderr] Dec 05 13:19:44.573 INFO [stderr] warning: unused import: `std::time::Duration` Dec 05 13:19:44.573 INFO [stderr] --> src/actor/sample_actor.rs:3:5 Dec 05 13:19:44.573 INFO [stderr] | Dec 05 13:19:44.573 INFO [stderr] 3 | use std::time::Duration; Dec 05 13:19:44.573 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^ Dec 05 13:19:44.573 INFO [stderr] Dec 05 13:19:44.573 INFO [stderr] warning: unused import: `tokio` Dec 05 13:19:44.573 INFO [stderr] --> src/actor/ping_actor.rs:5:5 Dec 05 13:19:44.573 INFO [stderr] | Dec 05 13:19:44.573 INFO [stderr] 5 | use tokio; Dec 05 13:19:44.573 INFO [stderr] | ^^^^^ Dec 05 13:19:44.573 INFO [stderr] Dec 05 13:19:44.573 INFO [stderr] warning: unused imports: `Supervised`, `msgs` Dec 05 13:19:44.573 INFO [stderr] --> src/main.rs:6:13 Dec 05 13:19:44.573 INFO [stderr] | Dec 05 13:19:44.573 INFO [stderr] 6 | use actix::{msgs, Actor, Supervised}; Dec 05 13:19:44.573 INFO [stderr] | ^^^^ ^^^^^^^^^^ Dec 05 13:19:44.573 INFO [stderr] Dec 05 13:19:44.644 INFO [stderr] warning: unused import: `Actor` Dec 05 13:19:44.644 INFO [stderr] --> src/main.rs:6:19 Dec 05 13:19:44.644 INFO [stderr] | Dec 05 13:19:44.644 INFO [stderr] 6 | use actix::{msgs, Actor, Supervised}; Dec 05 13:19:44.644 INFO [stderr] | ^^^^^ Dec 05 13:19:44.644 INFO [stderr] Dec 05 13:19:44.644 INFO [stderr] warning: unused variable: `ctx` Dec 05 13:19:44.644 INFO [stderr] --> src/actor/supervisor_actor.rs:27:27 Dec 05 13:19:44.644 INFO [stderr] | Dec 05 13:19:44.644 INFO [stderr] 27 | fn started(&mut self, ctx: &mut Self::Context) { Dec 05 13:19:44.644 INFO [stderr] | ^^^ help: consider using `_ctx` instead Dec 05 13:19:44.644 INFO [stderr] | Dec 05 13:19:44.644 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 05 13:19:44.644 INFO [stderr] Dec 05 13:19:44.645 INFO [stderr] warning: unused variable: `ctx` Dec 05 13:19:44.645 INFO [stderr] --> src/actor/supervisor_actor.rs:42:30 Dec 05 13:19:44.645 INFO [stderr] | Dec 05 13:19:44.645 INFO [stderr] 42 | fn restarting(&mut self, ctx: &mut ::Context) { Dec 05 13:19:44.645 INFO [stderr] | ^^^ help: consider using `_ctx` instead Dec 05 13:19:44.645 INFO [stderr] Dec 05 13:19:44.645 INFO [stderr] warning: unused variable: `ctx` Dec 05 13:19:44.645 INFO [stderr] --> src/actor/sample_actor.rs:11:27 Dec 05 13:19:44.645 INFO [stderr] | Dec 05 13:19:44.645 INFO [stderr] 11 | fn started(&mut self, ctx: &mut Self::Context) { Dec 05 13:19:44.645 INFO [stderr] | ^^^ help: consider using `_ctx` instead Dec 05 13:19:44.645 INFO [stderr] Dec 05 13:19:44.645 INFO [stderr] warning: unused variable: `msg` Dec 05 13:19:44.645 INFO [stderr] --> src/actor/sample_actor.rs:33:26 Dec 05 13:19:44.645 INFO [stderr] | Dec 05 13:19:44.645 INFO [stderr] 33 | fn handle(&mut self, msg: Ping, ctx: &mut Context) { Dec 05 13:19:44.645 INFO [stderr] | ^^^ help: consider using `_msg` instead Dec 05 13:19:44.645 INFO [stderr] Dec 05 13:19:44.645 INFO [stderr] warning: unused variable: `ctx` Dec 05 13:19:44.645 INFO [stderr] --> src/actor/sample_actor.rs:33:37 Dec 05 13:19:44.645 INFO [stderr] | Dec 05 13:19:44.645 INFO [stderr] 33 | fn handle(&mut self, msg: Ping, ctx: &mut Context) { Dec 05 13:19:44.645 INFO [stderr] | ^^^ help: consider using `_ctx` instead Dec 05 13:19:44.645 INFO [stderr] Dec 05 13:19:44.645 INFO [stderr] warning: unused variable: `ctx` Dec 05 13:19:44.645 INFO [stderr] --> src/actor/ping_actor.rs:12:27 Dec 05 13:19:44.645 INFO [stderr] | Dec 05 13:19:44.645 INFO [stderr] 12 | fn started(&mut self, ctx: &mut Self::Context) { Dec 05 13:19:44.645 INFO [stderr] | ^^^ help: consider using `_ctx` instead Dec 05 13:19:44.645 INFO [stderr] Dec 05 13:19:44.664 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 13:19:44.665 INFO [stderr] --> src/actor/ping_actor.rs:35:9 Dec 05 13:19:44.665 INFO [stderr] | Dec 05 13:19:44.665 INFO [stderr] 35 | / thread::Builder::new().name("ping-thread".to_string()).spawn(move || { Dec 05 13:19:44.665 INFO [stderr] 36 | | loop { Dec 05 13:19:44.665 INFO [stderr] 37 | | println!("ping"); Dec 05 13:19:44.665 INFO [stderr] 38 | | msg.actor.do_send(Ping{}); Dec 05 13:19:44.665 INFO [stderr] ... | Dec 05 13:19:44.665 INFO [stderr] 45 | | println!("loop end"); Dec 05 13:19:44.665 INFO [stderr] 46 | | }); Dec 05 13:19:44.665 INFO [stderr] | |___________^ Dec 05 13:19:44.665 INFO [stderr] | Dec 05 13:19:44.665 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 05 13:19:44.665 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 13:19:44.665 INFO [stderr] Dec 05 13:19:48.882 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 45.06s Dec 05 13:19:48.896 INFO [stderr] su: No module specific data is present Dec 05 13:19:49.438 INFO running `"docker" "inspect" "9b825cb2c4b9b990bd65e91b96e20e92057381be7aa56dc7e8742f8f4b6637af"` Dec 05 13:19:49.600 INFO running `"docker" "rm" "-f" "9b825cb2c4b9b990bd65e91b96e20e92057381be7aa56dc7e8742f8f4b6637af"` Dec 05 13:19:49.756 INFO [stdout] 9b825cb2c4b9b990bd65e91b96e20e92057381be7aa56dc7e8742f8f4b6637af Dec 05 13:19:49.764 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Dec 05 13:19:50.260 INFO [stdout] 6b5983989466bcbee403b99cd2c4f78a6899e37d608b60dcc9497ab912aa5648 Dec 05 13:19:50.275 INFO running `"docker" "start" "-a" "6b5983989466bcbee403b99cd2c4f78a6899e37d608b60dcc9497ab912aa5648"` Dec 05 13:19:51.280 INFO [stderr] usermod: no changes Dec 05 13:19:51.457 INFO [stderr] Compiling act v0.1.0 (/source) Dec 05 13:19:53.360 INFO [stderr] warning: unused import: `std::thread` Dec 05 13:19:53.360 INFO [stderr] --> src/actor/supervisor_actor.rs:4:5 Dec 05 13:19:53.360 INFO [stderr] | Dec 05 13:19:53.360 INFO [stderr] 4 | use std::thread; Dec 05 13:19:53.360 INFO [stderr] | ^^^^^^^^^^^ Dec 05 13:19:53.360 INFO [stderr] | Dec 05 13:19:53.360 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 05 13:19:53.360 INFO [stderr] Dec 05 13:19:53.360 INFO [stderr] warning: unused import: `std::time::Duration` Dec 05 13:19:53.360 INFO [stderr] --> src/actor/supervisor_actor.rs:5:5 Dec 05 13:19:53.360 INFO [stderr] | Dec 05 13:19:53.360 INFO [stderr] 5 | use std::time::Duration; Dec 05 13:19:53.360 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^ Dec 05 13:19:53.360 INFO [stderr] Dec 05 13:19:53.360 INFO [stderr] warning: unused import: `std::thread` Dec 05 13:19:53.360 INFO [stderr] --> src/actor/sample_actor.rs:2:5 Dec 05 13:19:53.360 INFO [stderr] | Dec 05 13:19:53.360 INFO [stderr] 2 | use std::thread; Dec 05 13:19:53.360 INFO [stderr] | ^^^^^^^^^^^ Dec 05 13:19:53.360 INFO [stderr] Dec 05 13:19:53.360 INFO [stderr] warning: unused import: `std::time::Duration` Dec 05 13:19:53.361 INFO [stderr] --> src/actor/sample_actor.rs:3:5 Dec 05 13:19:53.361 INFO [stderr] | Dec 05 13:19:53.361 INFO [stderr] 3 | use std::time::Duration; Dec 05 13:19:53.361 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^ Dec 05 13:19:53.361 INFO [stderr] Dec 05 13:19:53.361 INFO [stderr] warning: unused import: `tokio` Dec 05 13:19:53.361 INFO [stderr] --> src/actor/ping_actor.rs:5:5 Dec 05 13:19:53.361 INFO [stderr] | Dec 05 13:19:53.361 INFO [stderr] 5 | use tokio; Dec 05 13:19:53.361 INFO [stderr] | ^^^^^ Dec 05 13:19:53.361 INFO [stderr] Dec 05 13:19:53.361 INFO [stderr] warning: unused imports: `Supervised`, `msgs` Dec 05 13:19:53.361 INFO [stderr] --> src/main.rs:6:13 Dec 05 13:19:53.361 INFO [stderr] | Dec 05 13:19:53.361 INFO [stderr] 6 | use actix::{msgs, Actor, Supervised}; Dec 05 13:19:53.361 INFO [stderr] | ^^^^ ^^^^^^^^^^ Dec 05 13:19:53.361 INFO [stderr] Dec 05 13:19:53.412 INFO [stderr] warning: unused import: `Actor` Dec 05 13:19:53.412 INFO [stderr] --> src/main.rs:6:19 Dec 05 13:19:53.412 INFO [stderr] | Dec 05 13:19:53.412 INFO [stderr] 6 | use actix::{msgs, Actor, Supervised}; Dec 05 13:19:53.412 INFO [stderr] | ^^^^^ Dec 05 13:19:53.412 INFO [stderr] Dec 05 13:19:53.420 INFO [stderr] warning: unused variable: `ctx` Dec 05 13:19:53.420 INFO [stderr] --> src/actor/supervisor_actor.rs:27:27 Dec 05 13:19:53.420 INFO [stderr] | Dec 05 13:19:53.420 INFO [stderr] 27 | fn started(&mut self, ctx: &mut Self::Context) { Dec 05 13:19:53.420 INFO [stderr] | ^^^ help: consider using `_ctx` instead Dec 05 13:19:53.420 INFO [stderr] | Dec 05 13:19:53.420 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 05 13:19:53.420 INFO [stderr] Dec 05 13:19:53.420 INFO [stderr] warning: unused variable: `ctx` Dec 05 13:19:53.420 INFO [stderr] --> src/actor/supervisor_actor.rs:42:30 Dec 05 13:19:53.420 INFO [stderr] | Dec 05 13:19:53.420 INFO [stderr] 42 | fn restarting(&mut self, ctx: &mut ::Context) { Dec 05 13:19:53.420 INFO [stderr] | ^^^ help: consider using `_ctx` instead Dec 05 13:19:53.420 INFO [stderr] Dec 05 13:19:53.420 INFO [stderr] warning: unused variable: `ctx` Dec 05 13:19:53.420 INFO [stderr] --> src/actor/sample_actor.rs:11:27 Dec 05 13:19:53.420 INFO [stderr] | Dec 05 13:19:53.420 INFO [stderr] 11 | fn started(&mut self, ctx: &mut Self::Context) { Dec 05 13:19:53.420 INFO [stderr] | ^^^ help: consider using `_ctx` instead Dec 05 13:19:53.420 INFO [stderr] Dec 05 13:19:53.421 INFO [stderr] warning: unused variable: `msg` Dec 05 13:19:53.421 INFO [stderr] --> src/actor/sample_actor.rs:33:26 Dec 05 13:19:53.421 INFO [stderr] | Dec 05 13:19:53.421 INFO [stderr] 33 | fn handle(&mut self, msg: Ping, ctx: &mut Context) { Dec 05 13:19:53.421 INFO [stderr] | ^^^ help: consider using `_msg` instead Dec 05 13:19:53.421 INFO [stderr] Dec 05 13:19:53.421 INFO [stderr] warning: unused variable: `ctx` Dec 05 13:19:53.421 INFO [stderr] --> src/actor/sample_actor.rs:33:37 Dec 05 13:19:53.421 INFO [stderr] | Dec 05 13:19:53.421 INFO [stderr] 33 | fn handle(&mut self, msg: Ping, ctx: &mut Context) { Dec 05 13:19:53.421 INFO [stderr] | ^^^ help: consider using `_ctx` instead Dec 05 13:19:53.421 INFO [stderr] Dec 05 13:19:53.421 INFO [stderr] warning: unused variable: `ctx` Dec 05 13:19:53.421 INFO [stderr] --> src/actor/ping_actor.rs:12:27 Dec 05 13:19:53.421 INFO [stderr] | Dec 05 13:19:53.421 INFO [stderr] 12 | fn started(&mut self, ctx: &mut Self::Context) { Dec 05 13:19:53.421 INFO [stderr] | ^^^ help: consider using `_ctx` instead Dec 05 13:19:53.421 INFO [stderr] Dec 05 13:19:53.440 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 13:19:53.440 INFO [stderr] --> src/actor/ping_actor.rs:35:9 Dec 05 13:19:53.440 INFO [stderr] | Dec 05 13:19:53.440 INFO [stderr] 35 | / thread::Builder::new().name("ping-thread".to_string()).spawn(move || { Dec 05 13:19:53.440 INFO [stderr] 36 | | loop { Dec 05 13:19:53.440 INFO [stderr] 37 | | println!("ping"); Dec 05 13:19:53.440 INFO [stderr] 38 | | msg.actor.do_send(Ping{}); Dec 05 13:19:53.440 INFO [stderr] ... | Dec 05 13:19:53.440 INFO [stderr] 45 | | println!("loop end"); Dec 05 13:19:53.440 INFO [stderr] 46 | | }); Dec 05 13:19:53.440 INFO [stderr] | |___________^ Dec 05 13:19:53.440 INFO [stderr] | Dec 05 13:19:53.440 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 05 13:19:53.440 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 13:19:53.440 INFO [stderr] Dec 05 13:19:53.797 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.48s Dec 05 13:19:53.812 INFO [stderr] su: No module specific data is present Dec 05 13:19:54.939 INFO running `"docker" "inspect" "6b5983989466bcbee403b99cd2c4f78a6899e37d608b60dcc9497ab912aa5648"` Dec 05 13:19:55.236 INFO running `"docker" "rm" "-f" "6b5983989466bcbee403b99cd2c4f78a6899e37d608b60dcc9497ab912aa5648"` Dec 05 13:19:55.628 INFO [stdout] 6b5983989466bcbee403b99cd2c4f78a6899e37d608b60dcc9497ab912aa5648 Dec 05 13:19:55.634 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Dec 05 13:19:56.132 INFO [stdout] a5719051a17f9684026ab3b59875d2ee945c976e0b8c1d1e55a8a8b4d3141c2e Dec 05 13:19:56.134 INFO running `"docker" "start" "-a" "a5719051a17f9684026ab3b59875d2ee945c976e0b8c1d1e55a8a8b4d3141c2e"` Dec 05 13:19:56.877 INFO [stderr] usermod: no changes Dec 05 13:19:57.025 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.13s Dec 05 13:19:57.041 INFO [stderr] Running /target/debug/deps/act-68ed4435e93b0562 Dec 05 13:19:57.043 INFO [stdout] Dec 05 13:19:57.043 INFO [stdout] running 0 tests Dec 05 13:19:57.043 INFO [stdout] Dec 05 13:19:57.043 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 05 13:19:57.043 INFO [stdout] Dec 05 13:19:57.046 INFO [stderr] su: No module specific data is present Dec 05 13:19:57.306 INFO running `"docker" "inspect" "a5719051a17f9684026ab3b59875d2ee945c976e0b8c1d1e55a8a8b4d3141c2e"` Dec 05 13:19:57.408 INFO running `"docker" "rm" "-f" "a5719051a17f9684026ab3b59875d2ee945c976e0b8c1d1e55a8a8b4d3141c2e"` Dec 05 13:19:57.509 INFO [stdout] a5719051a17f9684026ab3b59875d2ee945c976e0b8c1d1e55a8a8b4d3141c2e