[INFO] fetching crate syntax-core 0.4.0...
[INFO] testing syntax-core-0.4.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate syntax-core 0.4.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate syntax-core 0.4.0
[INFO] finished tweaking crates.io crate syntax-core 0.4.0
[INFO] tweaked toml for crates.io crate syntax-core 0.4.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate syntax-core 0.4.0 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 syntax-core 0.4.0 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3c5a6d2c4dfe50e6b0cd2ce9b6a4814ac52771f33d9e8ebc42d13ef1de4c43a9
[INFO] running `Command { std: "docker" "start" "-a" "3c5a6d2c4dfe50e6b0cd2ce9b6a4814ac52771f33d9e8ebc42d13ef1de4c43a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c5a6d2c4dfe50e6b0cd2ce9b6a4814ac52771f33d9e8ebc42d13ef1de4c43a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c5a6d2c4dfe50e6b0cd2ce9b6a4814ac52771f33d9e8ebc42d13ef1de4c43a9", kill_on_drop: false }`
[INFO] [stdout] 3c5a6d2c4dfe50e6b0cd2ce9b6a4814ac52771f33d9e8ebc42d13ef1de4c43a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d0ece34ddf71874c45e362c800a347c0215522c76078afdb6ae7b43a00f61d6b
[INFO] running `Command { std: "docker" "start" "-a" "d0ece34ddf71874c45e362c800a347c0215522c76078afdb6ae7b43a00f61d6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syntax-core v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "d0ece34ddf71874c45e362c800a347c0215522c76078afdb6ae7b43a00f61d6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0ece34ddf71874c45e362c800a347c0215522c76078afdb6ae7b43a00f61d6b", kill_on_drop: false }`
[INFO] [stdout] d0ece34ddf71874c45e362c800a347c0215522c76078afdb6ae7b43a00f61d6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5802707f39c6d2452a04b3b290a22fa9adbe63a0aa96d22d9c3beffbeac026c1
[INFO] running `Command { std: "docker" "start" "-a" "5802707f39c6d2452a04b3b290a22fa9adbe63a0aa96d22d9c3beffbeac026c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syntax-core v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "5802707f39c6d2452a04b3b290a22fa9adbe63a0aa96d22d9c3beffbeac026c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5802707f39c6d2452a04b3b290a22fa9adbe63a0aa96d22d9c3beffbeac026c1", kill_on_drop: false }`
[INFO] [stdout] 5802707f39c6d2452a04b3b290a22fa9adbe63a0aa96d22d9c3beffbeac026c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e568b37f26c06c9940df4950dfc1c66683fdee430e69e628a96acab6b1234ebc
[INFO] running `Command { std: "docker" "start" "-a" "e568b37f26c06c9940df4950dfc1c66683fdee430e69e628a96acab6b1234ebc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/syntax_core-7449e44ec5ae9edb)
[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]    Doc-tests syntax_core
[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" "e568b37f26c06c9940df4950dfc1c66683fdee430e69e628a96acab6b1234ebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e568b37f26c06c9940df4950dfc1c66683fdee430e69e628a96acab6b1234ebc", kill_on_drop: false }`
[INFO] [stdout] e568b37f26c06c9940df4950dfc1c66683fdee430e69e628a96acab6b1234ebc
