[INFO] fetching crate tg-rcore-tutorial-ch6-Charlie-exercise 0.1.0-preview.1...
[INFO] testing tg-rcore-tutorial-ch6-Charlie-exercise-0.1.0-preview.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate tg-rcore-tutorial-ch6-Charlie-exercise 0.1.0-preview.1 into /workspace/builds/worker-5-tc1/source
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate tg-rcore-tutorial-ch6-Charlie-exercise 0.1.0-preview.1
[INFO] finished tweaking crates.io crate tg-rcore-tutorial-ch6-Charlie-exercise 0.1.0-preview.1
[INFO] tweaked toml for crates.io crate tg-rcore-tutorial-ch6-Charlie-exercise 0.1.0-preview.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tg-rcore-tutorial-ch6-Charlie-exercise 0.1.0-preview.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tg-rcore-tutorial-ch6-Charlie-exercise 0.1.0-preview.1 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tg-rcore-tutorial-linker v0.4.8
[INFO] [stderr]   Downloaded numeric-enum-macro v0.2.0
[INFO] [stderr]   Downloaded zero v0.1.3
[INFO] [stderr]   Downloaded tg-rcore-tutorial-signal-defs v0.4.8
[INFO] [stderr]   Downloaded tg-rcore-tutorial-syscall v0.4.8
[INFO] [stderr]   Downloaded tg-rcore-tutorial-sbi v0.4.8
[INFO] [stderr]   Downloaded bit_field v0.10.3
[INFO] [stderr]   Downloaded nb v1.1.0
[INFO] [stderr]   Downloaded customizable-buddy v0.0.3
[INFO] [stderr]   Downloaded embedded-hal v0.2.7
[INFO] [stderr]   Downloaded tg-rcore-tutorial-ch6-charlie-exercise-easy-fs v0.1.0-preview.1
[INFO] [stderr]   Downloaded riscv v0.10.1
[INFO] [stderr]   Downloaded tg-rcore-tutorial-kernel-vm v0.4.8
[INFO] [stderr]   Downloaded tg-rcore-tutorial-console v0.4.8
[INFO] [stderr]   Downloaded page-table v0.0.6
[INFO] [stderr]   Downloaded nb v0.1.3
[INFO] [stderr]   Downloaded tg-rcore-tutorial-kernel-alloc v0.4.8
[INFO] [stderr]   Downloaded tg-rcore-tutorial-kernel-context v0.4.8
[INFO] [stderr]   Downloaded virtio-drivers v0.1.0
[INFO] [stderr]   Downloaded xmas-elf v0.8.0
[INFO] [stderr]   Downloaded tg-rcore-tutorial-task-manage v0.4.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 121bd1961d833891e83178bb3471c75f9a229110c19211a7508c24b5651833fe
[INFO] running `Command { std: "docker" "start" "-a" "121bd1961d833891e83178bb3471c75f9a229110c19211a7508c24b5651833fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "121bd1961d833891e83178bb3471c75f9a229110c19211a7508c24b5651833fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "121bd1961d833891e83178bb3471c75f9a229110c19211a7508c24b5651833fe", kill_on_drop: false }`
[INFO] [stdout] 121bd1961d833891e83178bb3471c75f9a229110c19211a7508c24b5651833fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5a3cde1118e01c4fe9e3760a98078b6ef6340d615c7771d69675386ab8edb74
[INFO] running `Command { std: "docker" "start" "-a" "f5a3cde1118e01c4fe9e3760a98078b6ef6340d615c7771d69675386ab8edb74", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling winnow v0.7.15
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling numeric-enum-macro v0.2.0
[INFO] [stderr]    Compiling tg-rcore-tutorial-syscall v0.4.8
[INFO] [stderr]    Compiling riscv v0.10.1
[INFO] [stderr]    Compiling page-table v0.0.6
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling tg-rcore-tutorial-linker v0.4.8
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling tg-rcore-tutorial-signal-defs v0.4.8
[INFO] [stderr]    Compiling bit_field v0.10.3
[INFO] [stderr]    Compiling customizable-buddy v0.0.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling zero v0.1.3
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling tg-rcore-tutorial-task-manage v0.4.8
[INFO] [stderr]    Compiling xmas-elf v0.8.0
[INFO] [stderr]    Compiling tg-rcore-tutorial-sbi v0.4.8
[INFO] [stderr]    Compiling virtio-drivers v0.1.0
[INFO] [stderr]    Compiling tg-rcore-tutorial-kernel-alloc v0.4.8
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling tg-rcore-tutorial-ch6-charlie-exercise-easy-fs v0.1.0-preview.1
[INFO] [stderr]    Compiling tg-rcore-tutorial-kernel-context v0.4.8
[INFO] [stderr]    Compiling tg-rcore-tutorial-console v0.4.8
[INFO] [stderr]    Compiling tg-rcore-tutorial-kernel-vm v0.4.8
[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-ch6-Charlie-exercise v0.1.0-preview.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.38s
[INFO] running `Command { std: "docker" "inspect" "f5a3cde1118e01c4fe9e3760a98078b6ef6340d615c7771d69675386ab8edb74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5a3cde1118e01c4fe9e3760a98078b6ef6340d615c7771d69675386ab8edb74", kill_on_drop: false }`
[INFO] [stdout] f5a3cde1118e01c4fe9e3760a98078b6ef6340d615c7771d69675386ab8edb74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 854181b238a3594422f12ed2640b9edee6da7bef73e5b6939e7864b2e5f5c3fa
[INFO] running `Command { std: "docker" "start" "-a" "854181b238a3594422f12ed2640b9edee6da7bef73e5b6939e7864b2e5f5c3fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling numeric-enum-macro v0.2.0
[INFO] [stderr]    Compiling tg-rcore-tutorial-linker v0.4.8
[INFO] [stderr]    Compiling bit_field v0.10.3
[INFO] [stderr]    Compiling zero v0.1.3
[INFO] [stderr]    Compiling customizable-buddy v0.0.3
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling tg-rcore-tutorial-task-manage v0.4.8
[INFO] [stderr]    Compiling tg-rcore-tutorial-sbi v0.4.8
[INFO] [stderr]    Compiling tg-rcore-tutorial-signal-defs v0.4.8
[INFO] [stderr]    Compiling page-table v0.0.6
[INFO] [stderr]    Compiling virtio-drivers v0.1.0
[INFO] [stderr]    Compiling xmas-elf v0.8.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling tg-rcore-tutorial-ch6-charlie-exercise-easy-fs v0.1.0-preview.1
[INFO] [stderr]    Compiling tg-rcore-tutorial-kernel-context v0.4.8
[INFO] [stderr]    Compiling tg-rcore-tutorial-console v0.4.8
[INFO] [stderr]    Compiling tg-rcore-tutorial-syscall v0.4.8
[INFO] [stderr]    Compiling tg-rcore-tutorial-kernel-alloc v0.4.8
[INFO] [stderr]    Compiling tg-rcore-tutorial-kernel-vm v0.4.8
[INFO] [stderr]    Compiling riscv v0.10.1
[INFO] [stderr]    Compiling tg-rcore-tutorial-ch6-Charlie-exercise v0.1.0-preview.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]    --> src/main.rs:256:1
[INFO] [stdout]     |
[INFO] [stdout] 256 | / fn panic(info: &core::panic::PanicInfo) -> ! {
[INFO] [stdout] 257 | |     println!("{info}");
[INFO] [stdout] 258 | |     tg_sbi::shutdown(true)
[INFO] [stdout] 259 | | }
[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/562dee4820c458d823175268e41601d4c060588a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-eaa78b24106cd0ea.so, /opt/rustwide/rustup-home/toolchains/562dee4820c458d823175268e41601d4c060588a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-eaa78b24106cd0ea.rlib, /opt/rustwide/rustup-home/toolchains/562dee4820c458d823175268e41601d4c060588a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-eaa78b24106cd0ea.rmeta
[INFO] [stdout]     = note: second definition in the local crate (`tg_rcore_tutorial_ch6_Charlie_exercise`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tg-rcore-tutorial-ch6-Charlie-exercise` (bin "tg-rcore-tutorial-ch6-Charlie-exercise" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "854181b238a3594422f12ed2640b9edee6da7bef73e5b6939e7864b2e5f5c3fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "854181b238a3594422f12ed2640b9edee6da7bef73e5b6939e7864b2e5f5c3fa", kill_on_drop: false }`
[INFO] [stdout] 854181b238a3594422f12ed2640b9edee6da7bef73e5b6939e7864b2e5f5c3fa