[INFO] fetching crate swc_arena 0.1.0...
[INFO] testing swc_arena-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate swc_arena 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate swc_arena 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate swc_arena 0.1.0
[INFO] tweaked toml for crates.io crate swc_arena 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate swc_arena 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate swc_arena 0.1.0 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" "+beta-2026-04-21" "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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e62f936f24f54e0d26b314154dcd78948a314a4b1ce782a9e00022034d23d9c
[INFO] running `Command { std: "docker" "start" "-a" "7e62f936f24f54e0d26b314154dcd78948a314a4b1ce782a9e00022034d23d9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e62f936f24f54e0d26b314154dcd78948a314a4b1ce782a9e00022034d23d9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e62f936f24f54e0d26b314154dcd78948a314a4b1ce782a9e00022034d23d9c", kill_on_drop: false }`
[INFO] [stdout] 7e62f936f24f54e0d26b314154dcd78948a314a4b1ce782a9e00022034d23d9c
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37f91979fe5ff40ff980a9fda2bc01cba301e2baef03c908dce49268fdbb8799
[INFO] running `Command { std: "docker" "start" "-a" "37f91979fe5ff40ff980a9fda2bc01cba301e2baef03c908dce49268fdbb8799", kill_on_drop: false }`
[INFO] [stderr]    Compiling swc_arena v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "37f91979fe5ff40ff980a9fda2bc01cba301e2baef03c908dce49268fdbb8799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37f91979fe5ff40ff980a9fda2bc01cba301e2baef03c908dce49268fdbb8799", kill_on_drop: false }`
[INFO] [stdout] 37f91979fe5ff40ff980a9fda2bc01cba301e2baef03c908dce49268fdbb8799
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fab1e55653aab566c007cd79362a67cfa65c3665d265d5dfe3f614470387cce
[INFO] running `Command { std: "docker" "start" "-a" "1fab1e55653aab566c007cd79362a67cfa65c3665d265d5dfe3f614470387cce", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling find-msvc-tools v0.1.5
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling clap_lex v0.7.1
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling colored v2.1.0
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling clap_builder v4.5.9
[INFO] [stderr]    Compiling cc v1.2.46
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling codspeed-criterion-compat v3.0.4
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling is-terminal v0.4.10
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling statrs v0.18.0
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.40
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling clap v4.5.9
[INFO] [stderr]    Compiling uuid v1.16.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling mimalloc v0.1.44
[INFO] [stderr]    Compiling swc_malloc v1.2.4
[INFO] [stderr]    Compiling regex v1.10.6
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling codspeed v3.0.4
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling codspeed-criterion-compat-walltime v3.0.4
[INFO] [stderr]    Compiling swc_arena v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 25.39s
[INFO] running `Command { std: "docker" "inspect" "1fab1e55653aab566c007cd79362a67cfa65c3665d265d5dfe3f614470387cce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fab1e55653aab566c007cd79362a67cfa65c3665d265d5dfe3f614470387cce", kill_on_drop: false }`
[INFO] [stdout] 1fab1e55653aab566c007cd79362a67cfa65c3665d265d5dfe3f614470387cce
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7f5dd24e071d1dea45f9d20226cf7a82481911847bfeb2f26793cbd768ce7d5c
[INFO] running `Command { std: "docker" "start" "-a" "7f5dd24e071d1dea45f9d20226cf7a82481911847bfeb2f26793cbd768ce7d5c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/swc_arena-3d988ce1133e2b57)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/arena.rs (/opt/rustwide/target/debug/deps/arena-4d1586c3d5b0e89a)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test clear_invalidates_existing_ids ... ok
[INFO] [stdout] test insert_get_remove_and_reuse ... ok
[INFO] [stdout] test iter_skips_vacant_slots ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests swc_arena
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7f5dd24e071d1dea45f9d20226cf7a82481911847bfeb2f26793cbd768ce7d5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f5dd24e071d1dea45f9d20226cf7a82481911847bfeb2f26793cbd768ce7d5c", kill_on_drop: false }`
[INFO] [stdout] 7f5dd24e071d1dea45f9d20226cf7a82481911847bfeb2f26793cbd768ce7d5c
