[INFO] cloning repository https://github.com/stmtk1/blog_os_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stmtk1/blog_os_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstmtk1%2Fblog_os_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstmtk1%2Fblog_os_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c9f1e7ed228b3a4168043e479eab3aa0b01b0ec
[INFO] testing stmtk1/blog_os_rust against master#414482f6a0d4e7290f614300581a0b55442552a3 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstmtk1%2Fblog_os_rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stmtk1/blog_os_rust on toolchain 414482f6a0d4e7290f614300581a0b55442552a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/stmtk1/blog_os_rust
[INFO] finished tweaking git repo https://github.com/stmtk1/blog_os_rust
[INFO] tweaked toml for git repo https://github.com/stmtk1/blog_os_rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/stmtk1/blog_os_rust 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" "+414482f6a0d4e7290f614300581a0b55442552a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uart_16550 v0.2.10
[INFO] [stderr]   Downloaded x86_64 v0.12.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1815c7926ddabe14364a273a5ca2eebf4b8c880e2da9a8d35d5c20456ca6a9b4
[INFO] running `Command { std: "docker" "start" "-a" "1815c7926ddabe14364a273a5ca2eebf4b8c880e2da9a8d35d5c20456ca6a9b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1815c7926ddabe14364a273a5ca2eebf4b8c880e2da9a8d35d5c20456ca6a9b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1815c7926ddabe14364a273a5ca2eebf4b8c880e2da9a8d35d5c20456ca6a9b4", kill_on_drop: false }`
[INFO] [stdout] 1815c7926ddabe14364a273a5ca2eebf4b8c880e2da9a8d35d5c20456ca6a9b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71951cce63caf52ffd52fcec5c49fe0e42191017a461614ce5d0809878701314
[INFO] running `Command { std: "docker" "start" "-a" "71951cce63caf52ffd52fcec5c49fe0e42191017a461614ce5d0809878701314", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling x86_64 v0.12.2
[INFO] [stderr]    Compiling bootloader v0.9.11
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling volatile v0.2.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86_64-0.12.2/src/lib.rs:5:43
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![cfg_attr(feature = "const_fn", feature(const_fn))]
[INFO] [stdout]   |                                           ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86_64-0.12.2/src/lib.rs:8:43
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![cfg_attr(feature = "const_fn", feature(const_in_array_repeat_expressions))]
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed due to causing promotable bugs
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86_64-0.12.2/src/registers/rflags.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |             llvm_asm!("pushq $0; popfq" :: "r"(val) : "memory" "flags")
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86_64-0.12.2/src/registers/rflags.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             llvm_asm!("pushfq; popq $0" : "=r"(r) :: "memory")
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86_64-0.12.2/src/instructions/tlb.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         llvm_asm!("invlpg ($0)" :: "r" (addr.as_u64()) : "memory")
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86_64-0.12.2/src/instructions/segmentation.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |         llvm_asm!("wrgsbase $0" :: "r"(val) :: "volatile")
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86_64-0.12.2/src/instructions/segmentation.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |         llvm_asm!("wrfsbase $0" :: "r"(val) :: "volatile")
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86_64-0.12.2/src/instructions/segmentation.rs:133:18
[INFO] [stdout]     |
[INFO] [stdout] 133 |         unsafe { llvm_asm!("mov %cs, $0" : "=r" (segment) ) };
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86_64-0.12.2/src/registers/model_specific.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |                 llvm_asm!("wrmsr" :: "{ecx}" (self.0), "{eax}" (low), "{edx}" (high) : "memory" : "volatile" );
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86_64-0.12.2/src/registers/model_specific.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 llvm_asm!("rdmsr" : "={eax}" (low), "={edx}" (high) : "{ecx}" (self.0) : "memory" : "volatile");
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86_64-0.12.2/src/registers/control.rs:327:13
[INFO] [stdout]     |
[INFO] [stdout] 327 |             llvm_asm!("mov $0, %cr4" :: "r" (value) : "memory");
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `x86_64` (lib) due to 11 previous errors
[INFO] running `Command { std: "docker" "inspect" "71951cce63caf52ffd52fcec5c49fe0e42191017a461614ce5d0809878701314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71951cce63caf52ffd52fcec5c49fe0e42191017a461614ce5d0809878701314", kill_on_drop: false }`
[INFO] [stdout] 71951cce63caf52ffd52fcec5c49fe0e42191017a461614ce5d0809878701314