[INFO] cloning repository https://github.com/CtrlZ233/rel4_comm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CtrlZ233/rel4_comm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCtrlZ233%2Frel4_comm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCtrlZ233%2Frel4_comm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74acf0cc0cbb7daaa1af7c3a8e3bb70be092a20a
[INFO] checking CtrlZ233/rel4_comm against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCtrlZ233%2Frel4_comm" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CtrlZ233/rel4_comm
[INFO] finished tweaking git repo https://github.com/CtrlZ233/rel4_comm
[INFO] tweaked toml for git repo https://github.com/CtrlZ233/rel4_comm written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CtrlZ233/rel4_comm on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CtrlZ233/rel4_comm 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://gitee.com/rcore-os/riscv`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded riscv-target v0.1.2
[INFO] [stderr]   Downloaded aho-corasick v1.0.5
[INFO] [stderr]   Downloaded regex v1.9.5
[INFO] [stderr]   Downloaded regex-automata v0.3.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16c7c875ee9093a8a0717a148e6532d4a5aa804cd8815f348c9c62cd568257b9
[INFO] running `Command { std: "docker" "start" "-a" "16c7c875ee9093a8a0717a148e6532d4a5aa804cd8815f348c9c62cd568257b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16c7c875ee9093a8a0717a148e6532d4a5aa804cd8815f348c9c62cd568257b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16c7c875ee9093a8a0717a148e6532d4a5aa804cd8815f348c9c62cd568257b9", kill_on_drop: false }`
[INFO] [stdout] 16c7c875ee9093a8a0717a148e6532d4a5aa804cd8815f348c9c62cd568257b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06ceacd67fc882737743f0173d7d076d1f9c05f870c9f44da06e091b32ffac31
[INFO] running `Command { std: "docker" "start" "-a" "06ceacd67fc882737743f0173d7d076d1f9c05f870c9f44da06e091b32ffac31", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.6.3
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling aho-corasick v1.0.5
[INFO] [stderr]    Compiling regex-automata v0.3.8
[INFO] [stderr]    Compiling regex v1.9.5
[INFO] [stderr]    Compiling riscv-target v0.1.2
[INFO] [stderr]    Compiling riscv v0.6.0 (https://gitee.com/rcore-os/riscv#11d43cf7)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/riscv-c04ae774dc387b1f/11d43cf/src/lib.rs:18:37
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![cfg_attr(feature = "inline-asm", feature(asm_const))]
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `asm_const` has been stable since `1.82.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `riscv` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "06ceacd67fc882737743f0173d7d076d1f9c05f870c9f44da06e091b32ffac31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06ceacd67fc882737743f0173d7d076d1f9c05f870c9f44da06e091b32ffac31", kill_on_drop: false }`
[INFO] [stdout] 06ceacd67fc882737743f0173d7d076d1f9c05f870c9f44da06e091b32ffac31
