[INFO] cloning repository https://github.com/xrs-os/kernel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xrs-os/kernel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxrs-os%2Fkernel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxrs-os%2Fkernel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b77338093ac1c3312b530adf4f782c65583ebc30
[INFO] testing xrs-os/kernel against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxrs-os%2Fkernel" "/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/xrs-os/kernel on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-0/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/xrs-os/kernel
[INFO] finished tweaking git repo https://github.com/xrs-os/kernel
[INFO] tweaked toml for git repo https://github.com/xrs-os/kernel written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/xrs-os/kernel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", 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] 4e7c28ba5252952d79214cc11a0fc2d44f8ec6af1800a9a524ae31b550f44771
[INFO] running `Command { std: "docker" "start" "-a" "4e7c28ba5252952d79214cc11a0fc2d44f8ec6af1800a9a524ae31b550f44771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e7c28ba5252952d79214cc11a0fc2d44f8ec6af1800a9a524ae31b550f44771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e7c28ba5252952d79214cc11a0fc2d44f8ec6af1800a9a524ae31b550f44771", kill_on_drop: false }`
[INFO] [stdout] 4e7c28ba5252952d79214cc11a0fc2d44f8ec6af1800a9a524ae31b550f44771
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--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] 10140b3bd12da0374dd44982fbc5c59a001603c520d78964b05c6061645defb5
[INFO] running `Command { std: "docker" "start" "-a" "10140b3bd12da0374dd44982fbc5c59a001603c520d78964b05c6061645defb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bitmap v0.1.0 (/opt/rustwide/workdir/crates/bitmap)
[INFO] [stderr]    Compiling zero v0.1.2
[INFO] [stderr]    Compiling volatile v0.4.4
[INFO] [stderr]    Compiling num_enum v0.1.0 (/opt/rustwide/workdir/crates/num_enum)
[INFO] [stderr]    Compiling array-init v2.0.0
[INFO] [stderr]    Compiling device_tree v1.0.3 (https://github.com/rcore-os/device_tree-rs#4e8144ba)
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling xmas-elf v0.8.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling spinning_top v0.2.4
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling ahash v0.7.5
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling linked_list_allocator v0.9.0
[INFO] [stderr]    Compiling sleeplock v0.1.0 (/opt/rustwide/workdir/crates/sleeplock)
[INFO] [stderr]    Compiling executor v0.1.0 (/opt/rustwide/workdir/crates/executor)
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling lru v0.1.0 (/opt/rustwide/workdir/crates/lru)
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling riscv-target v0.1.2
[INFO] [stderr]    Compiling riscv v0.6.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling mm v0.1.0 (/opt/rustwide/workdir/crates/mm)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> crates/mm/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![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]  --> crates/mm/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![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]   --> crates/mm/src/memory.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 |     [(); Param::PAGE_LEVELS]: ,
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^ cannot perform const operation using `Param`
[INFO] [stdout]    |
[INFO] [stdout]    = note: type parameters may not be used in const expressions
[INFO] [stdout]    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> crates/mm/src/memory.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 36 |     [(); Param::PAGE_SIZE]: ,
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^ cannot perform const operation using `Param`
[INFO] [stdout]    |
[INFO] [stdout]    = note: type parameters may not be used in const expressions
[INFO] [stdout]    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> crates/mm/src/memory.rs:110:14
[INFO] [stdout]     |
[INFO] [stdout] 110 |         [(); Param::PAGE_LEVELS]: ,
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^ cannot perform const operation using `Param`
[INFO] [stdout]     |
[INFO] [stdout]     = note: type parameters may not be used in const expressions
[INFO] [stdout]     = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> crates/mm/src/memory.rs:111:14
[INFO] [stdout]     |
[INFO] [stdout] 111 |         [(); Param::PAGE_SIZE]: ,
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^ cannot perform const operation using `Param`
[INFO] [stdout]     |
[INFO] [stdout]     = note: type parameters may not be used in const expressions
[INFO] [stdout]     = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> crates/mm/src/memory.rs:116:52
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     for page in self.page_iter::<{ Param::PAGE_SIZE }>() {
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^ cannot perform const operation using `Param`
[INFO] [stdout]     |
[INFO] [stdout]     = note: type parameters may not be used in const expressions
[INFO] [stdout]     = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> crates/mm/src/memory.rs:122:52
[INFO] [stdout]     |
[INFO] [stdout] 122 |                     for page in self.page_iter::<{ Param::PAGE_SIZE }>() {
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^ cannot perform const operation using `Param`
[INFO] [stdout]     |
[INFO] [stdout]     = note: type parameters may not be used in const expressions
[INFO] [stdout]     = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> crates/mm/src/page/mapper.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 |     [(); Param::PAGE_LEVELS]: ,
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^ cannot perform const operation using `Param`
[INFO] [stdout]    |
[INFO] [stdout]    = note: type parameters may not be used in const expressions
[INFO] [stdout]    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> crates/mm/src/page/mod.rs:94:48
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn pte_idxs(va: VirtualAddress) -> [usize; Self::PAGE_LEVELS];
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^ cannot perform const operation using `Self`
[INFO] [stdout]    |
[INFO] [stdout]    = note: type parameters may not be used in const expressions
[INFO] [stdout]    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `LINEAR_MAPPING_PHYS_OFFSET` in this scope
[INFO] [stdout]   --> crates/mm/src/arch/riscv/page.rs:35:47
[INFO] [stdout]    |
[INFO] [stdout] 35 |     const LINEAR_MAPPING_PHYS_OFFSET: usize = LINEAR_MAPPING_PHYS_OFFSET;
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you might have meant to use the associated `const`: `Self::LINEAR_MAPPING_PHYS_OFFSET`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: constant expression depends on a generic parameter
[INFO] [stdout]    --> crates/mm/src/memory.rs:123:54
[INFO] [stdout]     |
[INFO] [stdout] 123 |                         let mut page_init_data = [0; { Param::PAGE_SIZE }];
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this may fail depending on what value the parameter takes
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: constant expression depends on a generic parameter
[INFO] [stdout]    --> crates/mm/src/memory.rs:142:35
[INFO] [stdout]     |
[INFO] [stdout] 142 |   ...                   (&mut page_init_data
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 143 | | ...                       [page_init_data_start..page_init_data_start + buf.len()])
[INFO] [stdout]     | |__________________________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this may fail depending on what value the parameter takes
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 13 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mm` due to 14 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "10140b3bd12da0374dd44982fbc5c59a001603c520d78964b05c6061645defb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10140b3bd12da0374dd44982fbc5c59a001603c520d78964b05c6061645defb5", kill_on_drop: false }`
[INFO] [stdout] 10140b3bd12da0374dd44982fbc5c59a001603c520d78964b05c6061645defb5