[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] b8d5adb4245f6bd3420886a160589ba527b414c5
[INFO] testing HUST-OS/rustsbi-qemu against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHUST-OS%2Frustsbi-qemu" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HUST-OS/rustsbi-qemu on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-2/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-2/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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/rcore-os/device_tree-rs/`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustsbi v0.2.0-alpha.7
[INFO] [stderr]   Downloaded buddy_system_allocator v0.8.0
[INFO] [stderr]   Downloaded spin v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d54f5f926e1ca15491636c6ae4c8d3f279fd2d6a612de8bda14f8ee7efbf5818
[INFO] running `Command { std: "docker" "start" "-a" "d54f5f926e1ca15491636c6ae4c8d3f279fd2d6a612de8bda14f8ee7efbf5818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d54f5f926e1ca15491636c6ae4c8d3f279fd2d6a612de8bda14f8ee7efbf5818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d54f5f926e1ca15491636c6ae4c8d3f279fd2d6a612de8bda14f8ee7efbf5818", kill_on_drop: false }`
[INFO] [stdout] d54f5f926e1ca15491636c6ae4c8d3f279fd2d6a612de8bda14f8ee7efbf5818
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ed02007e389c206f904ee49c25ecad5365383339d23ce85083c209c5ab94b080
[INFO] running `Command { std: "docker" "start" "-a" "ed02007e389c206f904ee49c25ecad5365383339d23ce85083c209c5ab94b080", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling bitflags v1.2.1
[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 15.36s
[INFO] running `Command { std: "docker" "inspect" "ed02007e389c206f904ee49c25ecad5365383339d23ce85083c209c5ab94b080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed02007e389c206f904ee49c25ecad5365383339d23ce85083c209c5ab94b080", kill_on_drop: false }`
[INFO] [stdout] ed02007e389c206f904ee49c25ecad5365383339d23ce85083c209c5ab94b080
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40d1268a794306dfa2a4cf4fdcfda27331457e0f965d49f318cfc837f0ce2299
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "40d1268a794306dfa2a4cf4fdcfda27331457e0f965d49f318cfc837f0ce2299", kill_on_drop: false }`
[INFO] [stderr]    Compiling xtask v0.1.0 (/opt/rustwide/workdir/xtask)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "40d1268a794306dfa2a4cf4fdcfda27331457e0f965d49f318cfc837f0ce2299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40d1268a794306dfa2a4cf4fdcfda27331457e0f965d49f318cfc837f0ce2299", kill_on_drop: false }`
[INFO] [stdout] 40d1268a794306dfa2a4cf4fdcfda27331457e0f965d49f318cfc837f0ce2299
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e3d47bdbfd0bf17806eb9d15ccbf4425930531beefb36c64ed0575b7458ef4f4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e3d47bdbfd0bf17806eb9d15ccbf4425930531beefb36c64ed0575b7458ef4f4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[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 spin v0.5.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling spin v0.7.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[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 `bit_field` 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" "e3d47bdbfd0bf17806eb9d15ccbf4425930531beefb36c64ed0575b7458ef4f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3d47bdbfd0bf17806eb9d15ccbf4425930531beefb36c64ed0575b7458ef4f4", kill_on_drop: false }`
[INFO] [stdout] e3d47bdbfd0bf17806eb9d15ccbf4425930531beefb36c64ed0575b7458ef4f4