[INFO] cloning repository https://github.com/ivankelly/df-repro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ivankelly/df-repro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivankelly%2Fdf-repro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivankelly%2Fdf-repro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fbe06b47dc57bd62f9bee868b2b61ab663965340
[INFO] checking ivankelly/df-repro against master#f8f6997469237299c1d60814c7b9828602a1f8e4 for pr-143808
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivankelly%2Fdf-repro" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ivankelly/df-repro
[INFO] finished tweaking git repo https://github.com/ivankelly/df-repro
[INFO] tweaked toml for git repo https://github.com/ivankelly/df-repro written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ivankelly/df-repro on toolchain f8f6997469237299c1d60814c7b9828602a1f8e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ivankelly/df-repro 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" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arrow-schema v54.2.1
[INFO] [stderr]   Downloaded arrow-buffer v54.2.1
[INFO] [stderr]   Downloaded datafusion-common-runtime v45.0.0
[INFO] [stderr]   Downloaded datafusion-catalog v45.0.0
[INFO] [stderr]   Downloaded datafusion-macros v45.0.0
[INFO] [stderr]   Downloaded async-compression v0.4.19
[INFO] [stderr]   Downloaded arrow-arith v54.2.1
[INFO] [stderr]   Downloaded datafusion-functions-aggregate v45.0.0
[INFO] [stderr]   Downloaded datafusion-functions-nested v45.0.0
[INFO] [stderr]   Downloaded datafusion-functions v45.0.0
[INFO] [stderr]   Downloaded datafusion-optimizer v45.0.0
[INFO] [stderr]   Downloaded datafusion-physical-expr v45.0.0
[INFO] [stderr]   Downloaded datafusion-expr v45.0.0
[INFO] [stderr]   Downloaded datafusion-common v45.0.0
[INFO] [stderr]   Downloaded lexical-parse-float v1.0.5
[INFO] [stderr]   Downloaded datafusion-sql v45.0.0
[INFO] [stderr]   Downloaded arrow-array v54.2.1
[INFO] [stderr]   Downloaded datafusion v45.0.0
[INFO] [stderr]   Downloaded lexical-write-float v1.0.5
[INFO] [stderr]   Downloaded lexical-util v1.0.6
[INFO] [stderr]   Downloaded chrono-tz v0.10.1
[INFO] [stderr]   Downloaded arrow-ipc v54.2.1
[INFO] [stderr]   Downloaded object_store v0.11.2
[INFO] [stderr]   Downloaded datafusion-physical-optimizer v45.0.0
[INFO] [stderr]   Downloaded bigdecimal v0.4.7
[INFO] [stderr]   Downloaded datafusion-expr-common v45.0.0
[INFO] [stderr]   Downloaded datafusion-physical-plan v45.0.0
[INFO] [stderr]   Downloaded parquet v54.2.1
[INFO] [stderr]   Downloaded arrow-cast v54.2.1
[INFO] [stderr]   Downloaded arrow v54.2.1
[INFO] [stderr]   Downloaded lexical-write-integer v1.0.5
[INFO] [stderr]   Downloaded arrow-json v54.2.1
[INFO] [stderr]   Downloaded arrow-ord v54.2.1
[INFO] [stderr]   Downloaded datafusion-execution v45.0.0
[INFO] [stderr]   Downloaded datafusion-functions-aggregate-common v45.0.0
[INFO] [stderr]   Downloaded lexical-core v1.0.5
[INFO] [stderr]   Downloaded datafusion-functions-window v45.0.0
[INFO] [stderr]   Downloaded arrow-csv v54.2.1
[INFO] [stderr]   Downloaded lexical-parse-integer v1.0.5
[INFO] [stderr]   Downloaded datafusion-functions-table v45.0.0
[INFO] [stderr]   Downloaded datafusion-doc v45.0.0
[INFO] [stderr]   Downloaded arrow-row v54.2.1
[INFO] [stderr]   Downloaded datafusion-physical-expr-common v45.0.0
[INFO] [stderr]   Downloaded stacker v0.1.19
[INFO] [stderr]   Downloaded datafusion-functions-window-common v45.0.0
[INFO] [stderr]   Downloaded arrow-string v54.2.1
[INFO] [stderr]   Downloaded arrow-data v54.2.1
[INFO] [stderr]   Downloaded arrow-select v54.2.1
[INFO] [stderr]   Downloaded thrift v0.17.0
[INFO] [stderr]   Downloaded sqlparser_derive v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 544f4f55c143f4fcaa2f49cbb71e9b29fdf13a5247b056428e5b22a85623fb2d
[INFO] running `Command { std: "docker" "start" "-a" "544f4f55c143f4fcaa2f49cbb71e9b29fdf13a5247b056428e5b22a85623fb2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "544f4f55c143f4fcaa2f49cbb71e9b29fdf13a5247b056428e5b22a85623fb2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "544f4f55c143f4fcaa2f49cbb71e9b29fdf13a5247b056428e5b22a85623fb2d", kill_on_drop: false }`
[INFO] [stdout] 544f4f55c143f4fcaa2f49cbb71e9b29fdf13a5247b056428e5b22a85623fb2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19187a8c60fe354b9e5bd46c0c469c4b2628c93fb4d35ef6bd79773f6e42a5e2
[INFO] running `Command { std: "docker" "start" "-a" "19187a8c60fe354b9e5bd46c0c469c4b2628c93fb4d35ef6bd79773f6e42a5e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking once_cell v1.20.3
[INFO] [stderr]     Checking iana-time-zone v0.1.61
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking arrow-schema v54.2.1
[INFO] [stderr]     Checking lexical-util v1.0.6
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]     Checking litemap v0.7.5
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]     Checking phf v0.11.3
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]     Checking lexical-write-integer v1.0.5
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking lexical-parse-integer v1.0.5
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling flatbuffers v24.12.23
[INFO] [stderr]     Checking lexical-parse-float v1.0.5
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]     Checking lexical-write-float v1.0.5
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]     Checking unicode-width v0.2.0
[INFO] [stderr]    Compiling cc v1.2.16
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling zstd-safe v7.2.1
[INFO] [stderr]     Checking comfy-table v7.1.4
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking chrono v0.4.39
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking lexical-core v1.0.5
[INFO] [stderr]     Checking atoi v2.0.0
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.4
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking log v0.4.26
[INFO] [stderr]     Checking either v1.14.0
[INFO] [stderr]     Checking indexmap v2.7.1
[INFO] [stderr]     Checking lz4_flex v0.11.3
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking miniz_oxide v0.8.5
[INFO] [stderr]     Checking alloc-stdlib v0.2.2
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking csv-core v0.1.12
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]    Compiling snap v1.1.1
[INFO] [stderr]     Checking brotli-decompressor v4.0.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking arrow-buffer v54.2.1
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking integer-encoding v3.0.4
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]     Checking thrift v0.17.0
[INFO] [stderr]    Compiling zstd-sys v2.0.13+zstd.1.5.6
[INFO] [stderr]    Compiling psm v0.1.25
[INFO] [stderr]    Compiling stacker v0.1.19
[INFO] [stderr]     Checking flate2 v1.1.0
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]     Checking arrow-data v54.2.1
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking csv v1.3.1
[INFO] [stderr]     Checking brotli v7.0.0
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]     Checking datafusion-doc v45.0.0
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking fixedbitset v0.5.7
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]     Checking petgraph v0.7.1
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]    Compiling bigdecimal v0.4.7
[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]    Compiling blake3 v1.6.1
[INFO] [stderr]    Compiling bzip2-sys v0.1.13+1.0.8
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking cpufeatures v0.2.17
[INFO] [stderr]     Checking constant_time_eq v0.3.1
[INFO] [stderr]     Checking uuid v1.15.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.1
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]     Checking glob v0.3.2
[INFO] [stderr]     Checking env_logger v0.11.6
[INFO] [stderr]     Checking bzip2 v0.5.2
[INFO] [stderr]     Checking tempfile v3.17.1
[INFO] [stderr]    Compiling chrono-tz-build v0.4.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling chrono-tz v0.10.1
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling sqlparser_derive v0.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling snafu-derive v0.8.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling async-trait v0.1.87
[INFO] [stderr]    Compiling recursive-proc-macro-impl v0.1.1
[INFO] [stderr]     Checking sqlparser v0.53.0
[INFO] [stderr]     Checking tokio v1.43.0
[INFO] [stderr]     Checking recursive v0.1.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking xz2 v0.1.7
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.7.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking zerovec v0.10.4
[INFO] [stderr]     Checking snafu v0.8.5
[INFO] [stderr]     Checking zstd v0.13.3
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tinystr v0.7.6
[INFO] [stderr]     Checking icu_collections v1.5.0
[INFO] [stderr]     Checking icu_locid v1.5.0
[INFO] [stderr]     Checking datafusion-common-runtime v45.0.0
[INFO] [stderr]     Checking tokio-util v0.7.13
[INFO] [stderr]     Checking async-compression v0.4.19
[INFO] [stderr]     Checking icu_provider v1.5.0
[INFO] [stderr]     Checking icu_locid_transform v1.5.0
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking icu_properties v1.5.1
[INFO] [stderr] error: could not compile `chrono-tz` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/f8f6997469237299c1d60814c7b9828602a1f8e4/bin/rustc --crate-name chrono_tz --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/chrono-tz-0.10.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("arbitrary", "case-insensitive", "default", "filter-by-regex", "serde", "std"))' -C metadata=f2caa3f5c4e8b902 -C extra-filename=-ba980df47d8fe160 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-1007326411f44139.rmeta --extern phf=/opt/rustwide/target/debug/deps/libphf-9871183fb2b9a811.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `chrono-tz` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/f8f6997469237299c1d60814c7b9828602a1f8e4/bin/rustc --crate-name chrono_tz --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/chrono-tz-0.10.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("arbitrary", "case-insensitive", "default", "filter-by-regex", "serde", "std"))' -C metadata=d5c15de0443869bf -C extra-filename=-044775191d069934 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-57c4f47d10a8cd38.rmeta --extern phf=/opt/rustwide/target/debug/deps/libphf-9bbe4b4d1738599b.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "19187a8c60fe354b9e5bd46c0c469c4b2628c93fb4d35ef6bd79773f6e42a5e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19187a8c60fe354b9e5bd46c0c469c4b2628c93fb4d35ef6bd79773f6e42a5e2", kill_on_drop: false }`
[INFO] [stdout] 19187a8c60fe354b9e5bd46c0c469c4b2628c93fb4d35ef6bd79773f6e42a5e2