[INFO] fetching crate libyal-rs-common-build 0.2.5... [INFO] testing libyal-rs-common-build-0.2.5 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] extracting crate libyal-rs-common-build 0.2.5 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate libyal-rs-common-build 0.2.5 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate libyal-rs-common-build 0.2.5 [INFO] finished tweaking crates.io crate libyal-rs-common-build 0.2.5 [INFO] tweaked toml for crates.io crate libyal-rs-common-build 0.2.5 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ab4556523dbb252381564adf671ee67fc858bf895f981e50df44eaf65ee1e06d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ab4556523dbb252381564adf671ee67fc858bf895f981e50df44eaf65ee1e06d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ab4556523dbb252381564adf671ee67fc858bf895f981e50df44eaf65ee1e06d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab4556523dbb252381564adf671ee67fc858bf895f981e50df44eaf65ee1e06d", kill_on_drop: false }` [INFO] [stdout] ab4556523dbb252381564adf671ee67fc858bf895f981e50df44eaf65ee1e06d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0a1d9a8c63d9fb691cbd0f2c68d0b68a89c615f63c6b5170a750a49332487560 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "0a1d9a8c63d9fb691cbd0f2c68d0b68a89c615f63c6b5170a750a49332487560", kill_on_drop: false }` [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling syn v1.0.35 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling gimli v0.22.0 [INFO] [stderr] Compiling cc v1.0.58 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling object v0.20.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling termcolor v1.1.0 [INFO] [stderr] Compiling bindgen v0.49.4 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Compiling fs_extra v1.1.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling miniz_oxide v0.4.0 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling clap v2.33.1 [INFO] [stderr] Compiling clang-sys v0.28.1 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling cexpr v0.3.6 [INFO] [stderr] Compiling addr2line v0.13.0 [INFO] [stderr] Compiling backtrace v0.3.50 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling which v2.0.1 [INFO] [stderr] Compiling libyal-rs-common-build v0.2.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Error`, `bail` [INFO] [stdout] --> src/posix.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use failure::{bail, Error}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/posix.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/posix.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/posix.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Read`, `Write` [INFO] [stdout] --> src/posix.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{Read, Write}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `create_dir` [INFO] [stdout] --> src/lib.rs:17:15 [INFO] [stdout] | [INFO] [stdout] 17 | use std::fs::{create_dir, create_dir_all}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 59.37s [INFO] running `Command { std: "docker" "inspect" "0a1d9a8c63d9fb691cbd0f2c68d0b68a89c615f63c6b5170a750a49332487560", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a1d9a8c63d9fb691cbd0f2c68d0b68a89c615f63c6b5170a750a49332487560", kill_on_drop: false }` [INFO] [stdout] 0a1d9a8c63d9fb691cbd0f2c68d0b68a89c615f63c6b5170a750a49332487560 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 40aa838b02cf3461627d140bb15a5cc151db41703cb8cdfab2c02afcf9e80277 [INFO] running `Command { std: "docker" "start" "-a" "40aa838b02cf3461627d140bb15a5cc151db41703cb8cdfab2c02afcf9e80277", kill_on_drop: false }` [INFO] [stderr] Compiling libyal-rs-common-build v0.2.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Error`, `bail` [INFO] [stdout] --> src/posix.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use failure::{bail, Error}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/posix.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/posix.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/posix.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Read`, `Write` [INFO] [stdout] --> src/posix.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{Read, Write}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `create_dir` [INFO] [stdout] --> src/lib.rs:17:15 [INFO] [stdout] | [INFO] [stdout] 17 | use std::fs::{create_dir, create_dir_all}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Error`, `bail` [INFO] [stdout] --> src/posix.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use failure::{bail, Error}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/posix.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/posix.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/posix.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Read`, `Write` [INFO] [stdout] --> src/posix.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{Read, Write}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `create_dir` [INFO] [stdout] --> src/lib.rs:17:15 [INFO] [stdout] | [INFO] [stdout] 17 | use std::fs::{create_dir, create_dir_all}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.87s [INFO] running `Command { std: "docker" "inspect" "40aa838b02cf3461627d140bb15a5cc151db41703cb8cdfab2c02afcf9e80277", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40aa838b02cf3461627d140bb15a5cc151db41703cb8cdfab2c02afcf9e80277", kill_on_drop: false }` [INFO] [stdout] 40aa838b02cf3461627d140bb15a5cc151db41703cb8cdfab2c02afcf9e80277 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ae9f501eee11e42d5acf6259e5dc158338405703e113ee680c6008fd78c8582e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ae9f501eee11e42d5acf6259e5dc158338405703e113ee680c6008fd78c8582e", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `Error`, `bail` [INFO] [stderr] --> src/posix.rs:1:15 [INFO] [stderr] | [INFO] [stderr] 1 | use failure::{bail, Error}; [INFO] [stderr] | ^^^^ ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/posix.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/posix.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/posix.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Read`, `Write` [INFO] [stderr] --> src/posix.rs:5:15 [INFO] [stderr] | [INFO] [stderr] 5 | use std::io::{Read, Write}; [INFO] [stderr] | ^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `create_dir` [INFO] [stderr] --> src/lib.rs:17:15 [INFO] [stderr] | [INFO] [stderr] 17 | use std::fs::{create_dir, create_dir_all}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Error`, `bail` [INFO] [stderr] --> src/posix.rs:1:15 [INFO] [stderr] | [INFO] [stderr] 1 | use failure::{bail, Error}; [INFO] [stderr] | ^^^^ ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/posix.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/posix.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/posix.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Read`, `Write` [INFO] [stderr] --> src/posix.rs:5:15 [INFO] [stderr] | [INFO] [stderr] 5 | use std::io::{Read, Write}; [INFO] [stderr] | ^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `create_dir` [INFO] [stderr] --> src/lib.rs:17:15 [INFO] [stderr] | [INFO] [stderr] 17 | use std::fs::{create_dir, create_dir_all}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.23s [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/libyal_rs_common_build-3eb9ed0a89c9b209 [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests libyal-rs-common-build [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ae9f501eee11e42d5acf6259e5dc158338405703e113ee680c6008fd78c8582e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae9f501eee11e42d5acf6259e5dc158338405703e113ee680c6008fd78c8582e", kill_on_drop: false }` [INFO] [stdout] ae9f501eee11e42d5acf6259e5dc158338405703e113ee680c6008fd78c8582e