[INFO] fetching crate rusty-hermit 0.3.49... [INFO] testing rusty-hermit-0.3.49 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] extracting crate rusty-hermit 0.3.49 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate rusty-hermit 0.3.49 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-6/source/.cargo/config [INFO] removed /workspace/builds/worker-6/source/rust-toolchain [INFO] started tweaking crates.io crate rusty-hermit 0.3.49 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate rusty-hermit 0.3.49 [INFO] tweaked toml for crates.io crate rusty-hermit 0.3.49 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded multiboot v0.6.0 [INFO] [stderr] Downloaded x86 v0.39.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6b62bd6cabc2d876c0e371890a410197177a38a300889813fd75452a3561c224 [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" "6b62bd6cabc2d876c0e371890a410197177a38a300889813fd75452a3561c224", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6b62bd6cabc2d876c0e371890a410197177a38a300889813fd75452a3561c224", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b62bd6cabc2d876c0e371890a410197177a38a300889813fd75452a3561c224", kill_on_drop: false }` [INFO] [stdout] 6b62bd6cabc2d876c0e371890a410197177a38a300889813fd75452a3561c224 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 48013b66c8af580554d5c45e1703d4e3d08e10e37a0caba4acadf05dd4759ffe [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" "48013b66c8af580554d5c45e1703d4e3d08e10e37a0caba4acadf05dd4759ffe", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling x86 v0.39.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling bit_field v0.10.1 [INFO] [stderr] Compiling paste v1.0.5 [INFO] [stderr] Compiling rusty-hermit v0.3.49 (/opt/rustwide/workdir) [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stdout] warning: unused import: `std::process::Command` [INFO] [stdout] --> build.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::process::Command; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling raw-cpuid v9.0.0 [INFO] [stderr] Compiling multiboot v0.6.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling num-complex v0.4.0 [INFO] [stderr] Compiling num v0.4.0 [INFO] [stderr] Compiling num-derive v0.3.3 [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 30 | #![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] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:55:1 [INFO] [stdout] | [INFO] [stdout] 55 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `alloc::alloc::Layout` [INFO] [stdout] --> src/lib.rs:75:5 [INFO] [stdout] | [INFO] [stdout] 75 | use alloc::alloc::Layout; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::alloc::GlobalAlloc` [INFO] [stdout] --> src/lib.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 76 | use core::alloc::GlobalAlloc; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `arch::percore::*` [INFO] [stdout] --> src/lib.rs:82:5 [INFO] [stdout] | [INFO] [stdout] 82 | use arch::percore::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `mm::allocator::LockedHeap` [INFO] [stdout] --> src/lib.rs:83:5 [INFO] [stdout] | [INFO] [stdout] 83 | use mm::allocator::LockedHeap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Cr0`, `cr0_write`, `cr0`, `cr4` [INFO] [stdout] --> src/arch/x86_64/kernel/mod.rs:15:24 [INFO] [stdout] | [INFO] [stdout] 15 | use x86::controlregs::{cr0, cr0_write, cr4, Cr0}; [INFO] [stdout] | ^^^ ^^^^^^^^^ ^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::kernel_message_buffer` [INFO] [stdout] --> src/arch/x86_64/kernel/mod.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | use crate::kernel_message_buffer; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::ptr` [INFO] [stdout] --> src/arch/x86_64/kernel/apic.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | use core::ptr; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::x86::bits64::rflags` [INFO] [stdout] --> src/arch/x86_64/kernel/irq.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use crate::x86::bits64::rflags; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `idt` [INFO] [stdout] --> src/arch/x86_64/kernel/processor.rs:13:35 [INFO] [stdout] | [INFO] [stdout] 13 | use crate::arch::x86_64::kernel::{idt, irq, pic, pit, BOOT_INFO}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `HugePageSize`, `LargePageSize` [INFO] [stdout] --> src/mm/mod.rs:16:16 [INFO] [stdout] | [INFO] [stdout] 16 | BasePageSize, HugePageSize, LargePageSize, PageSize, PageTableEntryFlags, [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::arch::mm::physicalmem::total_memory_size` [INFO] [stdout] --> src/mm/mod.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use crate::arch::mm::physicalmem::total_memory_size; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::environment` [INFO] [stdout] --> src/mm/mod.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | use crate::environment; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::mem` [INFO] [stdout] --> src/mm/mod.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use core::mem; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rusty-hermit` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "48013b66c8af580554d5c45e1703d4e3d08e10e37a0caba4acadf05dd4759ffe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48013b66c8af580554d5c45e1703d4e3d08e10e37a0caba4acadf05dd4759ffe", kill_on_drop: false }` [INFO] [stdout] 48013b66c8af580554d5c45e1703d4e3d08e10e37a0caba4acadf05dd4759ffe