[INFO] cloning repository https://github.com/victor-prokhorov/os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/victor-prokhorov/os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictor-prokhorov%2Fos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictor-prokhorov%2Fos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 397c9a823027d7ab1a1234cb4f6fedefd535cb65
[INFO] testing victor-prokhorov/os against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictor-prokhorov%2Fos" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/victor-prokhorov/os
[INFO] finished tweaking git repo https://github.com/victor-prokhorov/os
[INFO] tweaked toml for git repo https://github.com/victor-prokhorov/os written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/victor-prokhorov/os on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/victor-prokhorov/os 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdac62ba0a47e2e3a540c37a0e7469cd4a9830ae8ab2d0fd38ed1400e91f1d11
[INFO] running `Command { std: "docker" "start" "-a" "cdac62ba0a47e2e3a540c37a0e7469cd4a9830ae8ab2d0fd38ed1400e91f1d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdac62ba0a47e2e3a540c37a0e7469cd4a9830ae8ab2d0fd38ed1400e91f1d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdac62ba0a47e2e3a540c37a0e7469cd4a9830ae8ab2d0fd38ed1400e91f1d11", kill_on_drop: false }`
[INFO] [stdout] cdac62ba0a47e2e3a540c37a0e7469cd4a9830ae8ab2d0fd38ed1400e91f1d11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c075dee670218ad00607031f9688c573a5fded93c5ecb4ba7dd59c1a4ddd0bf8
[INFO] running `Command { std: "docker" "start" "-a" "c075dee670218ad00607031f9688c573a5fded93c5ecb4ba7dd59c1a4ddd0bf8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]    --> src/interrupts.rs:153:19
[INFO] [stdout]     |
[INFO] [stdout] 153 |                 #[naked]
[INFO] [stdout]     |                   ^^^^^ usage of unsafe attribute
[INFO] [stdout] ...
[INFO] [stdout] 198 | exception_isr!(div_error, DIVIDE_ERROR);
[INFO] [stdout]     | --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `exception_isr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]     |
[INFO] [stdout] 153 |                 #[unsafe(naked)]
[INFO] [stdout]     |                   +++++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]    --> src/interrupts.rs:153:19
[INFO] [stdout]     |
[INFO] [stdout] 153 |                 #[naked]
[INFO] [stdout]     |                   ^^^^^ usage of unsafe attribute
[INFO] [stdout] ...
[INFO] [stdout] 199 | exception_isr!(double_fault, DOUBLE_FAULT);
[INFO] [stdout]     | ------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `exception_isr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]     |
[INFO] [stdout] 153 |                 #[unsafe(naked)]
[INFO] [stdout]     |                   +++++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]    --> src/interrupts.rs:201:3
[INFO] [stdout]     |
[INFO] [stdout] 201 | #[naked]
[INFO] [stdout]     |   ^^^^^ usage of unsafe attribute
[INFO] [stdout]     |
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]     |
[INFO] [stdout] 201 | #[unsafe(naked)]
[INFO] [stdout]     |   +++++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]    --> src/interrupts.rs:243:3
[INFO] [stdout]     |
[INFO] [stdout] 243 | #[naked]
[INFO] [stdout]     |   ^^^^^ usage of unsafe attribute
[INFO] [stdout]     |
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]     |
[INFO] [stdout] 243 | #[unsafe(naked)]
[INFO] [stdout]     |   +++++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `naked_functions` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(naked_functions)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/interrupts.rs:155:25
[INFO] [stdout]     |
[INFO] [stdout] 155 |                         unsafe {
[INFO] [stdout]     |                         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 198 | exception_isr!(div_error, DIVIDE_ERROR);
[INFO] [stdout]     | --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `exception_isr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/interrupts.rs:155:25
[INFO] [stdout]     |
[INFO] [stdout] 155 |                         unsafe {
[INFO] [stdout]     |                         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 199 | exception_isr!(double_fault, DOUBLE_FAULT);
[INFO] [stdout]     | ------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `exception_isr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/interrupts.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/interrupts.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `os` (lib) due to 4 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c075dee670218ad00607031f9688c573a5fded93c5ecb4ba7dd59c1a4ddd0bf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c075dee670218ad00607031f9688c573a5fded93c5ecb4ba7dd59c1a4ddd0bf8", kill_on_drop: false }`
[INFO] [stdout] c075dee670218ad00607031f9688c573a5fded93c5ecb4ba7dd59c1a4ddd0bf8