[INFO] fetching crate tg-rcore-tutorial-ch6 0.4.8...
[INFO] checking tg-rcore-tutorial-ch6-0.4.8 against master#bbe853615821442ef11d6cd42a30a73432b38d89 for pr-154205
[INFO] extracting crate tg-rcore-tutorial-ch6 0.4.8 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate tg-rcore-tutorial-ch6 0.4.8
[INFO] finished tweaking crates.io crate tg-rcore-tutorial-ch6 0.4.8
[INFO] tweaked toml for crates.io crate tg-rcore-tutorial-ch6 0.4.8 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tg-rcore-tutorial-ch6 0.4.8 on toolchain bbe853615821442ef11d6cd42a30a73432b38d89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tg-rcore-tutorial-ch6 0.4.8 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" "+bbe853615821442ef11d6cd42a30a73432b38d89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tg-rcore-tutorial-signal-defs v0.4.8
[INFO] [stderr]   Downloaded zero v0.1.3
[INFO] [stderr]   Downloaded tg-rcore-tutorial-linker v0.4.8
[INFO] [stderr]   Downloaded xmas-elf v0.8.0
[INFO] [stderr]   Downloaded tg-rcore-tutorial-sbi v0.4.8
[INFO] [stderr]   Downloaded tg-rcore-tutorial-task-manage v0.4.8
[INFO] [stderr]   Downloaded tg-rcore-tutorial-syscall v0.4.8
[INFO] [stderr]   Downloaded numeric-enum-macro v0.2.0
[INFO] [stderr]   Downloaded tg-rcore-tutorial-kernel-alloc v0.4.8
[INFO] [stderr]   Downloaded tg-rcore-tutorial-console v0.4.8
[INFO] [stderr]   Downloaded tg-rcore-tutorial-easy-fs v0.4.8
[INFO] [stderr]   Downloaded riscv v0.10.1
[INFO] [stderr]   Downloaded customizable-buddy v0.0.3
[INFO] [stderr]   Downloaded tg-rcore-tutorial-kernel-vm v0.4.8
[INFO] [stderr]   Downloaded tg-rcore-tutorial-kernel-context v0.4.8
[INFO] [stderr]   Downloaded page-table v0.0.6
[INFO] [stderr]   Downloaded virtio-drivers v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fce3dc99c49969ad12944713e4f2d0d25dafd6a3848ae384997ad3076be85e1
[INFO] running `Command { std: "docker" "start" "-a" "4fce3dc99c49969ad12944713e4f2d0d25dafd6a3848ae384997ad3076be85e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fce3dc99c49969ad12944713e4f2d0d25dafd6a3848ae384997ad3076be85e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fce3dc99c49969ad12944713e4f2d0d25dafd6a3848ae384997ad3076be85e1", kill_on_drop: false }`
[INFO] [stdout] 4fce3dc99c49969ad12944713e4f2d0d25dafd6a3848ae384997ad3076be85e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+bbe853615821442ef11d6cd42a30a73432b38d89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 606fe93291924466f702ec763f1ca8f77cf5dbb159a371728d4d81fc670c9e9f
[INFO] running `Command { std: "docker" "start" "-a" "606fe93291924466f702ec763f1ca8f77cf5dbb159a371728d4d81fc670c9e9f", kill_on_drop: false }`
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling riscv v0.10.1
[INFO] [stderr]    Compiling tg-rcore-tutorial-syscall v0.4.8
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tg-rcore-tutorial-linker v0.4.8
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking page-table v0.0.6
[INFO] [stderr]     Checking numeric-enum-macro v0.2.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking tg-rcore-tutorial-signal-defs v0.4.8
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking customizable-buddy v0.0.3
[INFO] [stderr]     Checking zero v0.1.3
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]     Checking bit_field v0.10.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking xmas-elf v0.8.0
[INFO] [stderr]     Checking tg-rcore-tutorial-kernel-vm v0.4.8
[INFO] [stderr]     Checking virtio-drivers v0.1.0
[INFO] [stderr]     Checking tg-rcore-tutorial-console v0.4.8
[INFO] [stderr]     Checking tg-rcore-tutorial-easy-fs v0.4.8
[INFO] [stderr]     Checking tg-rcore-tutorial-kernel-alloc v0.4.8
[INFO] [stderr]     Checking tg-rcore-tutorial-kernel-context v0.4.8
[INFO] [stderr]     Checking tg-rcore-tutorial-task-manage v0.4.8
[INFO] [stderr]     Checking tg-rcore-tutorial-sbi v0.4.8
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling tg-rcore-tutorial-ch6 v0.4.8 (/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/bbe853615821442ef11d6cd42a30a73432b38d89/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-eaa78b24106cd0ea.rmeta
[INFO] [stdout]     = note: second definition in the local crate (`tg_rcore_tutorial_ch6`)
[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` (bin "tg-rcore-tutorial-ch6" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "606fe93291924466f702ec763f1ca8f77cf5dbb159a371728d4d81fc670c9e9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "606fe93291924466f702ec763f1ca8f77cf5dbb159a371728d4d81fc670c9e9f", kill_on_drop: false }`
[INFO] [stdout] 606fe93291924466f702ec763f1ca8f77cf5dbb159a371728d4d81fc670c9e9f