[INFO] fetching crate tg-rcore-tutorial-ch2 0.4.11...
[INFO] testing tg-rcore-tutorial-ch2-0.4.11 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate tg-rcore-tutorial-ch2 0.4.11 into /workspace/builds/worker-3-tc2/source
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate tg-rcore-tutorial-ch2 0.4.11
[INFO] finished tweaking crates.io crate tg-rcore-tutorial-ch2 0.4.11
[INFO] tweaked toml for crates.io crate tg-rcore-tutorial-ch2 0.4.11 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tg-rcore-tutorial-ch2 0.4.11 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 tg-rcore-tutorial-ch2 0.4.11 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4d77aec432b6e6d35d44273cd339a32df986f7711ab425469e039ce6511d46d0
[INFO] running `Command { std: "docker" "start" "-a" "4d77aec432b6e6d35d44273cd339a32df986f7711ab425469e039ce6511d46d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d77aec432b6e6d35d44273cd339a32df986f7711ab425469e039ce6511d46d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d77aec432b6e6d35d44273cd339a32df986f7711ab425469e039ce6511d46d0", kill_on_drop: false }`
[INFO] [stdout] 4d77aec432b6e6d35d44273cd339a32df986f7711ab425469e039ce6511d46d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2f362274a68a01ac2767cf1c870037bda9c3909b4547a2fc0f22fc09dc3a18e3
[INFO] running `Command { std: "docker" "start" "-a" "2f362274a68a01ac2767cf1c870037bda9c3909b4547a2fc0f22fc09dc3a18e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling winnow v0.7.15
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling numeric-enum-macro v0.2.0
[INFO] [stderr]    Compiling tg-rcore-tutorial-linker v0.4.8
[INFO] [stderr]    Compiling tg-rcore-tutorial-syscall v0.4.8
[INFO] [stderr]    Compiling riscv v0.10.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling bit_field v0.10.3
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling tg-rcore-tutorial-kernel-context v0.4.8
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling tg-rcore-tutorial-signal-defs v0.4.8
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling tg-rcore-tutorial-sbi v0.4.9
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling tg-rcore-tutorial-console v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling tg-rcore-tutorial-ch2 v0.4.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.25s
[INFO] running `Command { std: "docker" "inspect" "2f362274a68a01ac2767cf1c870037bda9c3909b4547a2fc0f22fc09dc3a18e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f362274a68a01ac2767cf1c870037bda9c3909b4547a2fc0f22fc09dc3a18e3", kill_on_drop: false }`
[INFO] [stdout] 2f362274a68a01ac2767cf1c870037bda9c3909b4547a2fc0f22fc09dc3a18e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 22ccce062c3cf8b56e5a9a606697af3a7089b1e9528f9d257ea7283f23d1a0c5
[INFO] running `Command { std: "docker" "start" "-a" "22ccce062c3cf8b56e5a9a606697af3a7089b1e9528f9d257ea7283f23d1a0c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling tg-rcore-tutorial-linker v0.4.8
[INFO] [stderr]    Compiling numeric-enum-macro v0.2.0
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling bit_field v0.10.3
[INFO] [stderr]    Compiling tg-rcore-tutorial-sbi v0.4.9
[INFO] [stderr]    Compiling tg-rcore-tutorial-kernel-context v0.4.8
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling tg-rcore-tutorial-signal-defs v0.4.8
[INFO] [stderr]    Compiling tg-rcore-tutorial-ch2 v0.4.11 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tg-rcore-tutorial-console v0.4.8
[INFO] [stderr]    Compiling tg-rcore-tutorial-syscall v0.4.8
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling riscv v0.10.1
[INFO] [stderr] error: could not compile `tg-rcore-tutorial-ch2` (bin "tg-rcore-tutorial-ch2" test) due to 1 previous error
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]    --> src/main.rs:151:1
[INFO] [stdout]     |
[INFO] [stdout] 151 | / fn panic(info: &core::panic::PanicInfo) -> ! {
[INFO] [stdout] 152 | |     println!("{info}");
[INFO] [stdout] 153 | |     tg_sbi::shutdown(true)
[INFO] [stdout] 154 | | }
[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 (`tg_rcore_tutorial_ch2`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "22ccce062c3cf8b56e5a9a606697af3a7089b1e9528f9d257ea7283f23d1a0c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22ccce062c3cf8b56e5a9a606697af3a7089b1e9528f9d257ea7283f23d1a0c5", kill_on_drop: false }`
[INFO] [stdout] 22ccce062c3cf8b56e5a9a606697af3a7089b1e9528f9d257ea7283f23d1a0c5
