[INFO] cloning repository https://github.com/GiantPanda0090/x86_64_RustOS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GiantPanda0090/x86_64_RustOS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGiantPanda0090%2Fx86_64_RustOS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGiantPanda0090%2Fx86_64_RustOS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae79d8c66a8033af2bff404a82c753023c01bb0d
[INFO] checking GiantPanda0090/x86_64_RustOS against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGiantPanda0090%2Fx86_64_RustOS" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  17% (33/187)   
Checking out files:  18% (34/187)   
Checking out files:  19% (36/187)   
Checking out files:  20% (38/187)   
Checking out files:  21% (40/187)   
Checking out files:  22% (42/187)   
Checking out files:  23% (44/187)   
Checking out files:  24% (45/187)   
Checking out files:  25% (47/187)   
Checking out files:  26% (49/187)   
Checking out files:  27% (51/187)   
Checking out files:  28% (53/187)   
Checking out files:  29% (55/187)   
Checking out files:  30% (57/187)   
Checking out files:  31% (58/187)   
Checking out files:  32% (60/187)   
Checking out files:  33% (62/187)   
Checking out files:  34% (64/187)   
Checking out files:  35% (66/187)   
Checking out files:  36% (68/187)   
Checking out files:  37% (70/187)   
Checking out files:  38% (72/187)   
Checking out files:  39% (73/187)   
Checking out files:  40% (75/187)   
Checking out files:  41% (77/187)   
Checking out files:  42% (79/187)   
Checking out files:  43% (81/187)   
Checking out files:  44% (83/187)   
Checking out files:  45% (85/187)   
Checking out files:  46% (87/187)   
Checking out files:  47% (88/187)   
Checking out files:  48% (90/187)   
Checking out files:  49% (92/187)   
Checking out files:  50% (94/187)   
Checking out files:  51% (96/187)   
Checking out files:  52% (98/187)   
Checking out files:  53% (100/187)   
Checking out files:  54% (101/187)   
Checking out files:  55% (103/187)   
Checking out files:  56% (105/187)   
Checking out files:  57% (107/187)   
Checking out files:  58% (109/187)   
Checking out files:  59% (111/187)   
Checking out files:  60% (113/187)   
Checking out files:  61% (115/187)   
Checking out files:  62% (116/187)   
Checking out files:  63% (118/187)   
Checking out files:  64% (120/187)   
Checking out files:  65% (122/187)   
Checking out files:  66% (124/187)   
Checking out files:  67% (126/187)   
Checking out files:  68% (128/187)   
Checking out files:  69% (130/187)   
Checking out files:  70% (131/187)   
Checking out files:  71% (133/187)   
Checking out files:  72% (135/187)   
Checking out files:  73% (137/187)   
Checking out files:  74% (139/187)   
Checking out files:  75% (141/187)   
Checking out files:  76% (143/187)   
Checking out files:  77% (144/187)   
Checking out files:  78% (146/187)   
Checking out files:  79% (148/187)   
Checking out files:  80% (150/187)   
Checking out files:  81% (152/187)   
Checking out files:  82% (154/187)   
Checking out files:  83% (156/187)   
Checking out files:  84% (158/187)   
Checking out files:  85% (159/187)   
Checking out files:  86% (161/187)   
Checking out files:  87% (163/187)   
Checking out files:  88% (165/187)   
Checking out files:  89% (167/187)   
Checking out files:  90% (169/187)   
Checking out files:  91% (171/187)   
Checking out files:  92% (173/187)   
Checking out files:  93% (174/187)   
Checking out files:  94% (176/187)   
Checking out files:  95% (178/187)   
Checking out files:  96% (180/187)   
Checking out files:  97% (182/187)   
Checking out files:  98% (184/187)   
Checking out files:  99% (186/187)   
Checking out files: 100% (187/187)   
Checking out files: 100% (187/187), done.
[INFO] validating manifest of git repo https://github.com/GiantPanda0090/x86_64_RustOS on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GiantPanda0090/x86_64_RustOS
[INFO] finished tweaking git repo https://github.com/GiantPanda0090/x86_64_RustOS
[INFO] tweaked toml for git repo https://github.com/GiantPanda0090/x86_64_RustOS written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/GiantPanda0090/x86_64_RustOS already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rlibc v1.0.0
[INFO] [stderr]   Downloaded volatile v0.1.0
[INFO] [stderr]   Downloaded multiboot2 v0.1.0
[INFO] [stderr]   Downloaded once v0.3.3
[INFO] [stderr]   Downloaded spin v0.4.6
[INFO] [stderr]   Downloaded linked_list_allocator v0.4.2
[INFO] [stderr]   Downloaded x86_64 v0.1.2
[INFO] [stderr]   Downloaded bit_field v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f72024d94222ad80dcb851c9a9ee611044bb631dd64259e121960deebc94fad
[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" "2f72024d94222ad80dcb851c9a9ee611044bb631dd64259e121960deebc94fad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f72024d94222ad80dcb851c9a9ee611044bb631dd64259e121960deebc94fad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f72024d94222ad80dcb851c9a9ee611044bb631dd64259e121960deebc94fad", kill_on_drop: false }`
[INFO] [stdout] 2f72024d94222ad80dcb851c9a9ee611044bb631dd64259e121960deebc94fad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcf56c206bc1b75304283ded975a164425ef9e3183f30290706a10cadb496511
[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" "bcf56c206bc1b75304283ded975a164425ef9e3183f30290706a10cadb496511", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking spin v0.4.6
[INFO] [stderr]     Checking bit_field v0.7.0
[INFO] [stderr]     Checking rlibc v1.0.0
[INFO] [stderr]     Checking once v0.3.3
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking volatile v0.1.0
[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-0.4.6/src/util.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 |     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[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.6/src/lib.rs:6:30
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(feature = "asm", feature(asm))]
[INFO] [stdout]   |                              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.6/src/lib.rs:7:42
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![cfg_attr(feature = "core_intrinsics", feature(core_intrinsics))]
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.6/src/lib.rs:8:35
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr]     Checking multiboot2 v0.1.0
[INFO] [stderr] error: could not compile `spin`.
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bcf56c206bc1b75304283ded975a164425ef9e3183f30290706a10cadb496511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcf56c206bc1b75304283ded975a164425ef9e3183f30290706a10cadb496511", kill_on_drop: false }`
[INFO] [stdout] bcf56c206bc1b75304283ded975a164425ef9e3183f30290706a10cadb496511
