[INFO] cloning repository https://github.com/maochongxin/my_os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maochongxin/my_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaochongxin%2Fmy_os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaochongxin%2Fmy_os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dec7c49822b47004deb5b69ee836124282d155a0
[INFO] checking maochongxin/my_os against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaochongxin%2Fmy_os" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maochongxin/my_os on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maochongxin/my_os
[INFO] finished tweaking git repo https://github.com/maochongxin/my_os
[INFO] tweaked toml for git repo https://github.com/maochongxin/my_os written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/maochongxin/my_os already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/xy-plus/buddy-allocator`
[INFO] [stderr]     Updating git repository `https://github.com/xy-plus/device_tree-rs`
[INFO] [stderr]     Updating git repository `https://github.com/xy-plus/riscv`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bare-metal v0.2.4
[INFO] [stderr]   Downloaded spin v0.3.5
[INFO] [stderr]   Downloaded buddy_system_allocator v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f64a59d9136cc10a3cd0ffe5068aa027aa5515ff2394de80832a4046e49c2d75
[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" "f64a59d9136cc10a3cd0ffe5068aa027aa5515ff2394de80832a4046e49c2d75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f64a59d9136cc10a3cd0ffe5068aa027aa5515ff2394de80832a4046e49c2d75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f64a59d9136cc10a3cd0ffe5068aa027aa5515ff2394de80832a4046e49c2d75", kill_on_drop: false }`
[INFO] [stdout] f64a59d9136cc10a3cd0ffe5068aa027aa5515ff2394de80832a4046e49c2d75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--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] af5a875019bca3ff776d9f058b572bdb6df875cab2b5fd8f43b9197bdbcaf1c0
[INFO] running `Command { std: "docker" "start" "-a" "af5a875019bca3ff776d9f058b572bdb6df875cab2b5fd8f43b9197bdbcaf1c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling riscv v0.5.0 (https://github.com/xy-plus/riscv#da9404ba)
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking bbl v0.1.0 (/opt/rustwide/workdir/crate/bbl)
[INFO] [stderr]     Checking device_tree v1.0.3 (https://github.com/xy-plus/device_tree-rs#f438be61)
[INFO] [stderr]     Checking spin v0.3.5
[INFO] [stderr]     Checking buddy-allocator v0.1.0 (https://github.com/xy-plus/buddy-allocator#8edd8a85)
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.3.5/src/mutex.rs:102:14
[INFO] [stdout]     |
[INFO] [stdout] 102 |     unsafe { asm!("pause" :::: "volatile"); }
[INFO] [stdout]     |              ----^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: replace with: `llvm_asm!`
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]     = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> crate/bbl/src/sbi.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout] 7  |           asm!("ecall"
[INFO] [stdout]    |           ^---
[INFO] [stdout]    |           |
[INFO] [stdout]    |  _________help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 8  | |             : "={x10}" (ret)
[INFO] [stdout] 9  | |             : "{x10}" (arg0), "{x11}" (arg1), "{x12}" (arg2), "{x17}" (which)
[INFO] [stdout] 10 | |             : "memory"
[INFO] [stdout] 11 | |             : "volatile");
[INFO] [stdout]    | |__________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bbl`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> crate/bbl/src/sbi.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout] 7  |           asm!("ecall"
[INFO] [stdout]    |           ^---
[INFO] [stdout]    |           |
[INFO] [stdout]    |  _________help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 8  | |             : "={x10}" (ret)
[INFO] [stdout] 9  | |             : "{x10}" (arg0), "{x11}" (arg1), "{x12}" (arg2), "{x17}" (which)
[INFO] [stdout] 10 | |             : "memory"
[INFO] [stdout] 11 | |             : "volatile");
[INFO] [stdout]    | |__________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "af5a875019bca3ff776d9f058b572bdb6df875cab2b5fd8f43b9197bdbcaf1c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af5a875019bca3ff776d9f058b572bdb6df875cab2b5fd8f43b9197bdbcaf1c0", kill_on_drop: false }`
[INFO] [stdout] af5a875019bca3ff776d9f058b572bdb6df875cab2b5fd8f43b9197bdbcaf1c0