[INFO] cloning repository https://github.com/djely2005/image_serving_checker [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/djely2005/image_serving_checker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjely2005%2Fimage_serving_checker", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjely2005%2Fimage_serving_checker'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e216953a753fe1913382507b80b04aeabc2d0cfe [INFO] checking djely2005/image_serving_checker against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjely2005%2Fimage_serving_checker" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/djely2005/image_serving_checker 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 git repo https://github.com/djely2005/image_serving_checker [INFO] finished tweaking git repo https://github.com/djely2005/image_serving_checker [INFO] tweaked toml for git repo https://github.com/djely2005/image_serving_checker written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/djely2005/image_serving_checker already has a lockfile, it will not be regenerated [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] 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] 27aa96c61e9d8b7e1d98c091833788c835b554731ae9c7fd50007a403ce86257 [INFO] running `Command { std: "docker" "start" "-a" "27aa96c61e9d8b7e1d98c091833788c835b554731ae9c7fd50007a403ce86257", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "27aa96c61e9d8b7e1d98c091833788c835b554731ae9c7fd50007a403ce86257", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27aa96c61e9d8b7e1d98c091833788c835b554731ae9c7fd50007a403ce86257", kill_on_drop: false }` [INFO] [stdout] 27aa96c61e9d8b7e1d98c091833788c835b554731ae9c7fd50007a403ce86257 [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] f5db0aa5596b5026b3692acbe2120ad229e1f20c3cd71fc8a1dd0419d80dce2a [INFO] running `Command { std: "docker" "start" "-a" "f5db0aa5596b5026b3692acbe2120ad229e1f20c3cd71fc8a1dd0419d80dce2a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Compiling serde v1.0.196 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling unicase v2.7.0 [INFO] [stderr] Compiling memchr v2.7.1 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Checking mio v0.8.10 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Compiling regex-syntax v0.8.2 [INFO] [stderr] Compiling zstd-safe v7.0.0 [INFO] [stderr] Checking local-waker v0.1.4 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking alloc-no-stdlib v2.0.4 [INFO] [stderr] Compiling bytes v1.5.0 [INFO] [stderr] Checking http v0.2.11 [INFO] [stderr] Compiling ahash v0.8.7 [INFO] [stderr] Checking alloc-stdlib v0.2.2 [INFO] [stderr] Compiling time-core v0.1.2 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling tracing-core v0.1.32 [INFO] [stderr] Compiling pin-project-lite v0.2.13 [INFO] [stderr] Checking powerfmt v0.2.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling log v0.4.20 [INFO] [stderr] Checking indexmap v2.2.1 [INFO] [stderr] Checking deranged v0.3.11 [INFO] [stderr] Checking regex-automata v0.4.5 [INFO] [stderr] Compiling tracing v0.1.40 [INFO] [stderr] Checking tokio v1.35.1 [INFO] [stderr] Compiling aho-corasick v1.1.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking brotli-decompressor v2.5.1 [INFO] [stderr] Compiling bytestring v1.3.1 [INFO] [stderr] Compiling time-macros v0.2.16 [INFO] [stderr] Checking actix-utils v3.0.1 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking actix-service v2.0.2 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Compiling jobserver v0.1.27 [INFO] [stderr] Compiling cookie v0.16.2 [INFO] [stderr] Checking zerocopy v0.7.32 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking sha1 v0.10.6 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling mime_guess v2.0.4 [INFO] [stderr] Checking brotli v3.4.0 [INFO] [stderr] Checking local-channel v0.1.5 [INFO] [stderr] Checking encoding_rs v0.8.33 [INFO] [stderr] Compiling v_htmlescape v0.15.8 [INFO] [stderr] Checking language-tags v0.3.2 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking serde_json v1.0.113 [INFO] [stderr] Checking http-range v0.1.5 [INFO] [stderr] Compiling zstd-sys v2.0.9+zstd.1.5.5 [INFO] [stderr] Checking time v0.3.31 [INFO] [stderr] Checking regex v1.10.3 [INFO] [stderr] Checking actix-router v0.5.2 [INFO] [stderr] Compiling derive_more v0.99.17 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking actix-rt v2.9.0 [INFO] [stderr] Checking actix-server v2.3.0 [INFO] [stderr] Checking h2 v0.3.24 [INFO] [stderr] Checking actix-codec v0.5.1 [INFO] [stderr] Compiling actix-macros v0.2.4 [INFO] [stderr] Compiling actix-web-codegen v4.2.2 [INFO] [stderr] Checking zstd v0.13.0 [INFO] [stderr] Checking actix-http v3.5.1 [INFO] [stderr] Checking actix-web v4.4.1 [INFO] [stderr] Checking actix-files v0.6.5 [INFO] [stderr] Checking image_serving_checker v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Responder`, `get` [INFO] [stdout] --> src/main.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use actix_web::{get, web, App, HttpServer, HttpRequest, HttpResponse, Responder, Error}; [INFO] [stdout] | ^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Responder`, `get` [INFO] [stdout] --> src/main.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use actix_web::{get, web, App, HttpServer, HttpRequest, HttpResponse, Responder, Error}; [INFO] [stdout] | ^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.43s [INFO] running `Command { std: "docker" "inspect" "f5db0aa5596b5026b3692acbe2120ad229e1f20c3cd71fc8a1dd0419d80dce2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5db0aa5596b5026b3692acbe2120ad229e1f20c3cd71fc8a1dd0419d80dce2a", kill_on_drop: false }` [INFO] [stdout] f5db0aa5596b5026b3692acbe2120ad229e1f20c3cd71fc8a1dd0419d80dce2a [INFO] checking djely2005/image_serving_checker against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjely2005%2Fimage_serving_checker" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/djely2005/image_serving_checker 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 git repo https://github.com/djely2005/image_serving_checker [INFO] finished tweaking git repo https://github.com/djely2005/image_serving_checker [INFO] tweaked toml for git repo https://github.com/djely2005/image_serving_checker written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/djely2005/image_serving_checker already has a lockfile, it will not be regenerated [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-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] cbf07d651b244a2a230498dc50297880526fc49cecead7cae3fdb6bfa02704c7 [INFO] running `Command { std: "docker" "start" "-a" "cbf07d651b244a2a230498dc50297880526fc49cecead7cae3fdb6bfa02704c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cbf07d651b244a2a230498dc50297880526fc49cecead7cae3fdb6bfa02704c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cbf07d651b244a2a230498dc50297880526fc49cecead7cae3fdb6bfa02704c7", kill_on_drop: false }` [INFO] [stdout] cbf07d651b244a2a230498dc50297880526fc49cecead7cae3fdb6bfa02704c7 [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] 51004118a67cd47b891b9e1c9b9c2d22c84900f044a68ad160fd302f6ab9e63e [INFO] running `Command { std: "docker" "start" "-a" "51004118a67cd47b891b9e1c9b9c2d22c84900f044a68ad160fd302f6ab9e63e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Compiling serde v1.0.196 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling unicase v2.7.0 [INFO] [stderr] Compiling memchr v2.7.1 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Checking mio v0.8.10 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking local-waker v0.1.4 [INFO] [stderr] Compiling zstd-safe v7.0.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling regex-syntax v0.8.2 [INFO] [stderr] Checking alloc-no-stdlib v2.0.4 [INFO] [stderr] Compiling bytes v1.5.0 [INFO] [stderr] Checking http v0.2.11 [INFO] [stderr] Compiling ahash v0.8.7 [INFO] [stderr] Compiling time-core v0.1.2 [INFO] [stderr] Checking alloc-stdlib v0.2.2 [INFO] [stderr] Compiling tracing-core v0.1.32 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking powerfmt v0.2.0 [INFO] [stderr] Compiling pin-project-lite v0.2.13 [INFO] [stderr] Compiling log v0.4.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking brotli-decompressor v2.5.1 [INFO] [stderr] Checking deranged v0.3.11 [INFO] [stderr] Checking indexmap v2.2.1 [INFO] [stderr] Checking regex-automata v0.4.5 [INFO] [stderr] Compiling time-macros v0.2.16 [INFO] [stderr] Checking actix-utils v3.0.1 [INFO] [stderr] Compiling aho-corasick v1.1.2 [INFO] [stderr] Checking tokio v1.35.1 [INFO] [stderr] Compiling jobserver v0.1.27 [INFO] [stderr] Compiling tracing v0.1.40 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Compiling bytestring v1.3.1 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking actix-service v2.0.2 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Compiling cookie v0.16.2 [INFO] [stderr] Checking zerocopy v0.7.32 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Checking sha1 v0.10.6 [INFO] [stderr] Checking brotli v3.4.0 [INFO] [stderr] Compiling mime_guess v2.0.4 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking local-channel v0.1.5 [INFO] [stderr] Checking encoding_rs v0.8.33 [INFO] [stderr] Checking language-tags v0.3.2 [INFO] [stderr] Compiling v_htmlescape v0.15.8 [INFO] [stderr] Checking http-range v0.1.5 [INFO] [stderr] Checking time v0.3.31 [INFO] [stderr] Compiling zstd-sys v2.0.9+zstd.1.5.5 [INFO] [stderr] Compiling derive_more v0.99.17 [INFO] [stderr] Checking regex v1.10.3 [INFO] [stderr] Checking serde_json v1.0.113 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking actix-router v0.5.2 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking actix-rt v2.9.0 [INFO] [stderr] Compiling actix-macros v0.2.4 [INFO] [stderr] Checking actix-server v2.3.0 [INFO] [stderr] Checking h2 v0.3.24 [INFO] [stderr] Checking actix-codec v0.5.1 [INFO] [stderr] Compiling actix-web-codegen v4.2.2 [INFO] [stderr] Checking zstd v0.13.0 [INFO] [stderr] Checking actix-http v3.5.1 [INFO] [stderr] Checking actix-web v4.4.1 [INFO] [stderr] Checking actix-files v0.6.5 [INFO] [stderr] Checking image_serving_checker v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Responder`, `get` [INFO] [stdout] --> src/main.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use actix_web::{get, web, App, HttpServer, HttpRequest, HttpResponse, Responder, Error}; [INFO] [stdout] | ^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Responder`, `get` [INFO] [stdout] --> src/main.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use actix_web::{get, web, App, HttpServer, HttpRequest, HttpResponse, Responder, Error}; [INFO] [stdout] | ^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.99s [INFO] running `Command { std: "docker" "inspect" "51004118a67cd47b891b9e1c9b9c2d22c84900f044a68ad160fd302f6ab9e63e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51004118a67cd47b891b9e1c9b9c2d22c84900f044a68ad160fd302f6ab9e63e", kill_on_drop: false }` [INFO] [stdout] 51004118a67cd47b891b9e1c9b9c2d22c84900f044a68ad160fd302f6ab9e63e