[INFO] cloning repository https://github.com/3541/syzygy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/3541/syzygy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3541%2Fsyzygy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3541%2Fsyzygy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5bc996f15d2e91835aacb477f052d9da9146fe7d
[INFO] testing 3541/syzygy against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3541%2Fsyzygy" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/3541/syzygy on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-25/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/3541/syzygy
[INFO] finished tweaking git repo https://github.com/3541/syzygy
[INFO] tweaked toml for git repo https://github.com/3541/syzygy written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/3541/syzygy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c591e01fbd4db1aef020c23d95833b1c38c2b15ca084c53b679df8c5e0f4d5cc
[INFO] running `Command { std: "docker" "start" "-a" "c591e01fbd4db1aef020c23d95833b1c38c2b15ca084c53b679df8c5e0f4d5cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c591e01fbd4db1aef020c23d95833b1c38c2b15ca084c53b679df8c5e0f4d5cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c591e01fbd4db1aef020c23d95833b1c38c2b15ca084c53b679df8c5e0f4d5cc", kill_on_drop: false }`
[INFO] [stdout] c591e01fbd4db1aef020c23d95833b1c38c2b15ca084c53b679df8c5e0f4d5cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5768fccebaa012b85b973342fe608f37c426099ae1429db8213ab13c2015520
[INFO] running `Command { std: "docker" "start" "-a" "a5768fccebaa012b85b973342fe608f37c426099ae1429db8213ab13c2015520", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syzygy_kernel v0.1.0-alpha.2 (/opt/rustwide/workdir/kernel)
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> kernel/src/lib.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(const_generics)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: removed in favor of `#![feature(adt_const_params]` and `#![feature(generic_const_exprs)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> kernel/src/lib.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(const_evaluatable_checked)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: renamed to `generic_const_exprs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> kernel/src/mem/virt/arch/x86_64/table.rs:205:10
[INFO] [stdout]     |
[INFO] [stdout] 205 |     [(); L - 1]: Sized,
[INFO] [stdout]     |          ^ cannot perform const operation using `L`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `L`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> kernel/src/mem/virt/arch/x86_64/table.rs:206:10
[INFO] [stdout]     |
[INFO] [stdout] 206 |     [(); L - 2]: Sized,
[INFO] [stdout]     |          ^ cannot perform const operation using `L`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `L`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> kernel/src/mem/virt/arch/x86_64/table.rs:223:62
[INFO] [stdout]     |
[INFO] [stdout] 223 |     fn child(&self, addr: VirtualAddress) -> Option<&Table<{ L - 1 }>> {
[INFO] [stdout]     |                                                              ^ cannot perform const operation using `L`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `L`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> kernel/src/mem/virt/arch/x86_64/table.rs:228:74
[INFO] [stdout]     |
[INFO] [stdout] 228 |     fn child_mut(&mut self, addr: VirtualAddress) -> Option<&mut Table<{ L - 1 }>> {
[INFO] [stdout]     |                                                                          ^ cannot perform const operation using `L`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `L`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> kernel/src/mem/virt/arch/x86_64/table.rs:233:70
[INFO] [stdout]     |
[INFO] [stdout] 233 |     fn ensure_child(&mut self, addr: VirtualAddress) -> &mut Table<{ L - 1 }> {
[INFO] [stdout]     |                                                                      ^ cannot perform const operation using `L`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `L`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> kernel/src/mem/virt/arch/x86_64/table.rs:240:35
[INFO] [stdout]     |
[INFO] [stdout] 240 |             let child = Table::<{ L - 1 }>::new(
[INFO] [stdout]     |                                   ^ cannot perform const operation using `L`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `L`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> kernel/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(llvm_asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> kernel/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> kernel/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(abi_x86_interrupt)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> kernel/src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(const_trait_impl)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> kernel/src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(alloc_error_handler)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> kernel/src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(const_mut_refs)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> kernel/src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(const_panic)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> kernel/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(const_fn_transmute)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `const_fn_transmute` has been stable since 1.56.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> kernel/src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(const_generics)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> kernel/src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(const_fn_fn_ptr_basics)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> kernel/src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(const_evaluatable_checked)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> kernel/src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(inherent_associated_types)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> kernel/src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(thread_local)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `llvm_asm`: will be removed from the compiler, use asm! instead
[INFO] [stdout]   --> kernel/src/util/arch/x86_64/register.rs:8:26
[INFO] [stdout]    |
[INFO] [stdout] 8  |                 unsafe { llvm_asm!(concat!("mov $0, ", stringify!($name)) : "=r"(ret) ::: "intel") };
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     impl_reg_access!(cs, u16, r);
[INFO] [stdout]    |     ----------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_reg_access` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `llvm_asm`: will be removed from the compiler, use asm! instead
[INFO] [stdout]   --> kernel/src/util/arch/x86_64/register.rs:8:26
[INFO] [stdout]    |
[INFO] [stdout] 8  |                 unsafe { llvm_asm!(concat!("mov $0, ", stringify!($name)) : "=r"(ret) ::: "intel") };
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     impl_reg_access!(cr2, u64, r);
[INFO] [stdout]    |     ------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_reg_access` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `llvm_asm`: will be removed from the compiler, use asm! instead
[INFO] [stdout]   --> kernel/src/util/arch/x86_64/register.rs:8:26
[INFO] [stdout]    |
[INFO] [stdout] 8  |                 unsafe { llvm_asm!(concat!("mov $0, ", stringify!($name)) : "=r"(ret) ::: "intel") };
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     impl_reg_access!(cr3, u64, r);
[INFO] [stdout]    |     ------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_reg_access` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `llvm_asm`: will be removed from the compiler, use asm! instead
[INFO] [stdout]   --> kernel/src/util/arch/x86_64/register.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |                 llvm_asm!(concat!("mov ", stringify!($name), ", $0") :: "r"(value) :: "intel", "volatile");
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     impl_reg_access!(cr3, u64, w);
[INFO] [stdout]    |     ------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_reg_access` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `llvm_asm`: will be removed from the compiler, use asm! instead
[INFO] [stdout]    --> kernel/src/int/arch/x86_64/idt.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |         llvm_asm!("lidt ($0)" :: "r"(&p) : "memory");
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `llvm_asm`: will be removed from the compiler, use asm! instead
[INFO] [stdout]   --> kernel/src/int/arch/x86_64/mod.rs:62:14
[INFO] [stdout]    |
[INFO] [stdout] 62 |     unsafe { llvm_asm!("cli" :::: "volatile") }
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `llvm_asm`: will be removed from the compiler, use asm! instead
[INFO] [stdout]   --> kernel/src/int/arch/x86_64/mod.rs:68:14
[INFO] [stdout]    |
[INFO] [stdout] 68 |     unsafe { llvm_asm!("sti" :::: "volatile") }
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `llvm_asm`: will be removed from the compiler, use asm! instead
[INFO] [stdout]   --> kernel/src/mem/phys/alloc/bitmap.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 llvm_asm!("tzcnt $1, $0" : "=r"(ret) : "r"(!field));
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 22 previous errors; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syzygy_kernel` due to 23 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a5768fccebaa012b85b973342fe608f37c426099ae1429db8213ab13c2015520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5768fccebaa012b85b973342fe608f37c426099ae1429db8213ab13c2015520", kill_on_drop: false }`
[INFO] [stdout] a5768fccebaa012b85b973342fe608f37c426099ae1429db8213ab13c2015520