[INFO] fetching crate polylog 2.6.0...
[INFO] testing polylog-2.6.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate polylog 2.6.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate polylog 2.6.0
[INFO] finished tweaking crates.io crate polylog 2.6.0
[INFO] tweaked toml for crates.io crate polylog 2.6.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polylog 2.6.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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 68 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.8.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b1a9b59e3b53f0519608b07c3879f8f33a38f6a748343bc1e600e169a52898b
[INFO] running `Command { std: "docker" "start" "-a" "7b1a9b59e3b53f0519608b07c3879f8f33a38f6a748343bc1e600e169a52898b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b1a9b59e3b53f0519608b07c3879f8f33a38f6a748343bc1e600e169a52898b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b1a9b59e3b53f0519608b07c3879f8f33a38f6a748343bc1e600e169a52898b", kill_on_drop: false }`
[INFO] [stdout] 7b1a9b59e3b53f0519608b07c3879f8f33a38f6a748343bc1e600e169a52898b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 099d22f353faa558387bce1ecdf7cedb3af1d0796f4c6ed9ca4052b2d19ae776
[INFO] running `Command { std: "docker" "start" "-a" "099d22f353faa558387bce1ecdf7cedb3af1d0796f4c6ed9ca4052b2d19ae776", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling polylog v2.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `Command { std: "docker" "inspect" "099d22f353faa558387bce1ecdf7cedb3af1d0796f4c6ed9ca4052b2d19ae776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "099d22f353faa558387bce1ecdf7cedb3af1d0796f4c6ed9ca4052b2d19ae776", kill_on_drop: false }`
[INFO] [stdout] 099d22f353faa558387bce1ecdf7cedb3af1d0796f4c6ed9ca4052b2d19ae776
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11d2370c1a86861cbf274724187704fe84357e0d8693597a7fe649e03b6724ef
[INFO] running `Command { std: "docker" "start" "-a" "11d2370c1a86861cbf274724187704fe84357e0d8693597a7fe649e03b6724ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling clap v4.6.1
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling polylog v2.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `CLn` is never used
[INFO] [stdout]   --> tests/common.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub trait CLn<T> {
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CLn` is never used
[INFO] [stdout]   --> tests/common.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub trait CLn<T> {
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CLn` is never used
[INFO] [stdout]   --> tests/common.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub trait CLn<T> {
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CLn` is never used
[INFO] [stdout]   --> tests/common.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub trait CLn<T> {
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CLn` is never used
[INFO] [stdout]   --> tests/common.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub trait CLn<T> {
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CLn` is never used
[INFO] [stdout]   --> tests/common.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub trait CLn<T> {
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 17.44s
[INFO] running `Command { std: "docker" "inspect" "11d2370c1a86861cbf274724187704fe84357e0d8693597a7fe649e03b6724ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11d2370c1a86861cbf274724187704fe84357e0d8693597a7fe649e03b6724ef", kill_on_drop: false }`
[INFO] [stdout] 11d2370c1a86861cbf274724187704fe84357e0d8693597a7fe649e03b6724ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1d89e7d03704ec3111a8311a196ec3b1a886f49cbc60b5865104b844067d4ea2
[INFO] running `Command { std: "docker" "start" "-a" "1d89e7d03704ec3111a8311a196ec3b1a886f49cbc60b5865104b844067d4ea2", kill_on_drop: false }`
[INFO] [stderr] warning: trait `CLn` is never used
[INFO] [stderr]   --> tests/common.rs:29:11
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub trait CLn<T> {
[INFO] [stderr]    |           ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `polylog` (test "li") generated 1 warning
[INFO] [stderr] warning: `polylog` (test "li6") generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `polylog` (test "li1") generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `polylog` (test "li4") generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `polylog` (test "li5") generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `polylog` (test "li0") generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/polylog-e57f52d74ae74388)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test li::eta::test_neg_eta ... ok
[INFO] [stdout] test li::fac::test_inv_fac ... ok
[INFO] [stdout] test li::fac::test_fac ... ok
[INFO] [stdout] test li::harmonic::test_digamma ... ok
[INFO] [stdout] test cln::test_cln ... ok
[INFO] [stdout] test li::zeta::test_values ... ok
[INFO] [stdout] test li::harmonic::test_harmonic ... ok
[INFO] [stdout] test li::rli::test_ln_sqr ... ok
[INFO] [stdout] test li::fac::test_inv_fac_panic - should panic ... ok
[INFO] [stderr]      Running tests/common.rs (/opt/rustwide/target/debug/deps/common-fb9898ab2072e8ca)
[INFO] [stdout] test li::harmonic::test_digamma_panic - should panic ... ok
[INFO] [stdout] test li::fac::test_fac_panic - should panic ... ok
[INFO] [stdout] test li::harmonic::test_harmonic_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/li.rs (/opt/rustwide/target/debug/deps/li-e7fe51f1a68a2b4f)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_signed_zero ... ok
[INFO] [stdout] test test_values ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.31s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/li0.rs (/opt/rustwide/target/debug/deps/li0-cce3e6f203318a1c)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_signed_zero ... ok
[INFO] [stdout] test test_values ... ok
[INFO] [stderr]      Running tests/li1.rs (/opt/rustwide/target/debug/deps/li1-cc03d43f47f449f8)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_signed_zero ... ok
[INFO] [stdout] test test_values ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/li2.rs (/opt/rustwide/target/debug/deps/li2-c6e58fbd76728d97)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test special_values ... ok
[INFO] [stdout] test identities ... ok
[INFO] [stdout] test test_signed_zero ... ok
[INFO] [stdout] test special_value_identities ... ok
[INFO] [stdout] test test_values_f32 ... ok
[INFO] [stdout] test test_values_f64 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/li3.rs (/opt/rustwide/target/debug/deps/li3-b8e642d71dce4668)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test special_values ... ok
[INFO] [stdout] test test_signed_zero ... ok
[INFO] [stdout] test test_values ... ok
[INFO] [stdout] test identities ... ok
[INFO] [stderr]      Running tests/li4.rs (/opt/rustwide/target/debug/deps/li4-f961ced11f640907)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.19s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_signed_zero ... ok
[INFO] [stdout] test special_values ... ok
[INFO] [stdout] test test_values ... ok
[INFO] [stdout] 
[INFO] [stderr]      Running tests/li5.rs (/opt/rustwide/target/debug/deps/li5-8ebd9ec5721a46fc)
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test special_values ... ok
[INFO] [stdout] test test_signed_zero ... ok
[INFO] [stdout] test test_values ... ok
[INFO] [stderr]      Running tests/li6.rs (/opt/rustwide/target/debug/deps/li6-b878431594195a55)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test special_values ... ok
[INFO] [stdout] test test_signed_zero ... ok
[INFO] [stdout] test test_values ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests polylog
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test src/li3.rs - li3::f64::li3 (line 19) ... ok
[INFO] [stdout] test src/li4.rs - li4::f64::li4 (line 14) ... ok
[INFO] [stdout] test src/li4.rs - li4::Complex<f64>::li4 (line 149) ... ok
[INFO] [stdout] test src/li0.rs - li0::f64::li0 (line 14) ... ok
[INFO] [stdout] test src/li.rs - li::f64::li (line 45) ... ok
[INFO] [stdout] test src/li1.rs - li1::Complex<f64>::li1 (line 37) ... ok
[INFO] [stdout] test src/li3.rs - li3::Complex<f64>::li3 (line 110) ... ok
[INFO] [stdout] test src/li5.rs - li5::Complex<f64>::li5 (line 15) ... ok
[INFO] [stdout] test src/li2.rs - li2::f64::li2 (line 166) ... ok
[INFO] [stdout] test src/li6.rs - li6::Complex<f64>::li6 (line 15) ... ok
[INFO] [stdout] test src/li0.rs - li0::Complex<f64>::li0 (line 33) ... ok
[INFO] [stdout] test src/li1.rs - li1::f64::li1 (line 15) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/li.rs - li::Complex<f64>::li (line 24) ... ok
[INFO] [stdout] test src/li2.rs - li2::f32::li2 (line 121) ... ok
[INFO] [stdout] test src/li2.rs - li2::Complex<f32>::li2 (line 207) ... ok
[INFO] [stdout] test src/li2.rs - li2::Complex<f64>::li2 (line 257) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.68s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1d89e7d03704ec3111a8311a196ec3b1a886f49cbc60b5865104b844067d4ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d89e7d03704ec3111a8311a196ec3b1a886f49cbc60b5865104b844067d4ea2", kill_on_drop: false }`
[INFO] [stdout] 1d89e7d03704ec3111a8311a196ec3b1a886f49cbc60b5865104b844067d4ea2