[INFO] cloning repository https://github.com/HUST-OS/rustsbi-qemu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HUST-OS/rustsbi-qemu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHUST-OS%2Frustsbi-qemu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHUST-OS%2Frustsbi-qemu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 033ee4abfa267b467e84842377d279e938325c45
[INFO] testing HUST-OS/rustsbi-qemu against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHUST-OS%2Frustsbi-qemu" "/workspace/builds/worker-40/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-40/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HUST-OS/rustsbi-qemu on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-40/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-40/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/HUST-OS/rustsbi-qemu
[INFO] finished tweaking git repo https://github.com/HUST-OS/rustsbi-qemu
[INFO] tweaked toml for git repo https://github.com/HUST-OS/rustsbi-qemu written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] crate git repo https://github.com/HUST-OS/rustsbi-qemu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/rcore-os/device_tree-rs/`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded buddy_system_allocator v0.8.0
[INFO] [stderr]   Downloaded rustsbi v0.2.0-alpha.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70c9c1939a6a1525a66f65e3bdd54ce2fba811e6d2ff58cf1221d0158a62a01f
[INFO] running `Command { std: "docker" "start" "-a" "70c9c1939a6a1525a66f65e3bdd54ce2fba811e6d2ff58cf1221d0158a62a01f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70c9c1939a6a1525a66f65e3bdd54ce2fba811e6d2ff58cf1221d0158a62a01f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70c9c1939a6a1525a66f65e3bdd54ce2fba811e6d2ff58cf1221d0158a62a01f", kill_on_drop: false }`
[INFO] [stdout] 70c9c1939a6a1525a66f65e3bdd54ce2fba811e6d2ff58cf1221d0158a62a01f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f71d33e48ed6fbeb679699c287f98282bf850ce1d8c91a40846963d3de262a4
[INFO] running `Command { std: "docker" "start" "-a" "2f71d33e48ed6fbeb679699c287f98282bf850ce1d8c91a40846963d3de262a4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling xtask v0.1.0 (/opt/rustwide/workdir/xtask)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.89s
[INFO] running `Command { std: "docker" "inspect" "2f71d33e48ed6fbeb679699c287f98282bf850ce1d8c91a40846963d3de262a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f71d33e48ed6fbeb679699c287f98282bf850ce1d8c91a40846963d3de262a4", kill_on_drop: false }`
[INFO] [stdout] 2f71d33e48ed6fbeb679699c287f98282bf850ce1d8c91a40846963d3de262a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e5f24f1fd4958529f94144d3cafe435b97817c15f718dceda493586a0db96d5
[INFO] running `Command { std: "docker" "start" "-a" "7e5f24f1fd4958529f94144d3cafe435b97817c15f718dceda493586a0db96d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling xtask v0.1.0 (/opt/rustwide/workdir/xtask)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "7e5f24f1fd4958529f94144d3cafe435b97817c15f718dceda493586a0db96d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e5f24f1fd4958529f94144d3cafe435b97817c15f718dceda493586a0db96d5", kill_on_drop: false }`
[INFO] [stdout] 7e5f24f1fd4958529f94144d3cafe435b97817c15f718dceda493586a0db96d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 82bc780b6b1e9cd30ae14216780b60fbd2a352a56211e61722ed09209028c785
[INFO] running `Command { std: "docker" "start" "-a" "82bc780b6b1e9cd30ae14216780b60fbd2a352a56211e61722ed09209028c785", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/xtask-ac07da93fd5adcd4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling spin v0.7.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling rustsbi-qemu v0.0.2 (/opt/rustwide/workdir/rustsbi-qemu)
[INFO] [stderr]    Compiling device_tree v1.0.3 (https://github.com/rcore-os/device_tree-rs/#b89dffc9)
[INFO] [stderr] error[E0463]: can't find crate for `core`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `riscv64imac-unknown-none-elf` target may not be installed
[INFO] [stderr]   = help: consider downloading the target with `rustup target add riscv64imac-unknown-none-elf`
[INFO] [stderr]   = help: consider building the standard library from source with `cargo build -Zbuild-std`
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `nb` due to previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] [stderr] error: test failed, to rerun pass '--bin xtask'
[INFO] running `Command { std: "docker" "inspect" "82bc780b6b1e9cd30ae14216780b60fbd2a352a56211e61722ed09209028c785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82bc780b6b1e9cd30ae14216780b60fbd2a352a56211e61722ed09209028c785", kill_on_drop: false }`
[INFO] [stdout] 82bc780b6b1e9cd30ae14216780b60fbd2a352a56211e61722ed09209028c785