[INFO] cloning repository https://github.com/graydon/re-export-symbols
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/graydon/re-export-symbols" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgraydon%2Fre-export-symbols", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgraydon%2Fre-export-symbols'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d892415427dddf4fb05f8d8f8bdfe096110398b
[INFO] testing graydon/re-export-symbols against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgraydon%2Fre-export-symbols" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/graydon/re-export-symbols
[INFO] finished tweaking git repo https://github.com/graydon/re-export-symbols
[INFO] tweaked toml for git repo https://github.com/graydon/re-export-symbols written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/graydon/re-export-symbols 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 git repo https://github.com/graydon/re-export-symbols 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] d8e2d43c72c03d04278f063a3e4539b023e5aadd3c0302f90a77425dbadda868
[INFO] running `Command { std: "docker" "start" "-a" "d8e2d43c72c03d04278f063a3e4539b023e5aadd3c0302f90a77425dbadda868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8e2d43c72c03d04278f063a3e4539b023e5aadd3c0302f90a77425dbadda868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8e2d43c72c03d04278f063a3e4539b023e5aadd3c0302f90a77425dbadda868", kill_on_drop: false }`
[INFO] [stdout] d8e2d43c72c03d04278f063a3e4539b023e5aadd3c0302f90a77425dbadda868
[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] 03135ad9cefe05c7d27526f8de913d1d5f1781719183abc2a614e6e121465bcd
[INFO] running `Command { std: "docker" "start" "-a" "03135ad9cefe05c7d27526f8de913d1d5f1781719183abc2a614e6e121465bcd", kill_on_drop: false }`
[INFO] [stderr]    Compiling x v0.1.0 (/opt/rustwide/workdir/x)
[INFO] [stderr]    Compiling y v0.1.0 (/opt/rustwide/workdir/y)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "03135ad9cefe05c7d27526f8de913d1d5f1781719183abc2a614e6e121465bcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03135ad9cefe05c7d27526f8de913d1d5f1781719183abc2a614e6e121465bcd", kill_on_drop: false }`
[INFO] [stdout] 03135ad9cefe05c7d27526f8de913d1d5f1781719183abc2a614e6e121465bcd
[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] 4bc49706befce45171f3edfe4d9909bf394179e48357e4f8e24e4db2923dd2a0
[INFO] running `Command { std: "docker" "start" "-a" "4bc49706befce45171f3edfe4d9909bf394179e48357e4f8e24e4db2923dd2a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling y v0.1.0 (/opt/rustwide/workdir/y)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> y/src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / fn panic(_info: &core::panic::PanicInfo) -> ! {
[INFO] [stdout] 15 | |     loop {}
[INFO] [stdout] 16 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-0b731ea8964f0f7c.so, /opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-0b731ea8964f0f7c.rlib, /opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-0b731ea8964f0f7c.rmeta
[INFO] [stdout]    = note: second definition in the local crate (`y`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling x v0.1.0 (/opt/rustwide/workdir/x)
[INFO] [stderr] error: could not compile `y` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4bc49706befce45171f3edfe4d9909bf394179e48357e4f8e24e4db2923dd2a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc49706befce45171f3edfe4d9909bf394179e48357e4f8e24e4db2923dd2a0", kill_on_drop: false }`
[INFO] [stdout] 4bc49706befce45171f3edfe4d9909bf394179e48357e4f8e24e4db2923dd2a0