[INFO] fetching crate syn-codegen 0.4.2...
[INFO] testing syn-codegen-0.4.2 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate syn-codegen 0.4.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate syn-codegen 0.4.2
[INFO] finished tweaking crates.io crate syn-codegen 0.4.2
[INFO] tweaked toml for crates.io crate syn-codegen 0.4.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate syn-codegen 0.4.2 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "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" "+beta-2026-01-20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1264926951f075b49c78785737f685d7d99a33b01f08a0dd90f0a9cd2a138b2d
[INFO] running `Command { std: "docker" "start" "-a" "1264926951f075b49c78785737f685d7d99a33b01f08a0dd90f0a9cd2a138b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1264926951f075b49c78785737f685d7d99a33b01f08a0dd90f0a9cd2a138b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1264926951f075b49c78785737f685d7d99a33b01f08a0dd90f0a9cd2a138b2d", kill_on_drop: false }`
[INFO] [stdout] 1264926951f075b49c78785737f685d7d99a33b01f08a0dd90f0a9cd2a138b2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0504292f8f83c7a3bb5fc10e43b51c617421921ba4fb539830d332963959eb2
[INFO] running `Command { std: "docker" "start" "-a" "e0504292f8f83c7a3bb5fc10e43b51c617421921ba4fb539830d332963959eb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling syn-codegen v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.16s
[INFO] running `Command { std: "docker" "inspect" "e0504292f8f83c7a3bb5fc10e43b51c617421921ba4fb539830d332963959eb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0504292f8f83c7a3bb5fc10e43b51c617421921ba4fb539830d332963959eb2", kill_on_drop: false }`
[INFO] [stdout] e0504292f8f83c7a3bb5fc10e43b51c617421921ba4fb539830d332963959eb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c564d4c6cff8f2d576b0ccda8e8ea42b3203ac7ac5695962a0ddcc91062d6e6a
[INFO] running `Command { std: "docker" "start" "-a" "c564d4c6cff8f2d576b0ccda8e8ea42b3203ac7ac5695962a0ddcc91062d6e6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling zmij v1.0.17
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling syn-codegen v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "c564d4c6cff8f2d576b0ccda8e8ea42b3203ac7ac5695962a0ddcc91062d6e6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c564d4c6cff8f2d576b0ccda8e8ea42b3203ac7ac5695962a0ddcc91062d6e6a", kill_on_drop: false }`
[INFO] [stdout] c564d4c6cff8f2d576b0ccda8e8ea42b3203ac7ac5695962a0ddcc91062d6e6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d2292815a860f17f2b2ce8d81b2ba491dc8930bcb96bd7ef5d32df68c4cd4e58
[INFO] running `Command { std: "docker" "start" "-a" "d2292815a860f17f2b2ce8d81b2ba491dc8930bcb96bd7ef5d32df68c4cd4e58", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/syn_codegen-da5df298e6aceb2b)
[INFO] [stderr]    Doc-tests syn_codegen
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 30) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 30) stdout ----
[INFO] [stdout] error: couldn't read `src/../../syn.json`: No such file or directory (os error 2)
[INFO] [stdout]   --> src/lib.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 37 | const SYN: &str = include_str!("../../syn.json");
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 30)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "d2292815a860f17f2b2ce8d81b2ba491dc8930bcb96bd7ef5d32df68c4cd4e58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2292815a860f17f2b2ce8d81b2ba491dc8930bcb96bd7ef5d32df68c4cd4e58", kill_on_drop: false }`
[INFO] [stdout] d2292815a860f17f2b2ce8d81b2ba491dc8930bcb96bd7ef5d32df68c4cd4e58
