[INFO] cloning repository https://github.com/sabarixr/Rusk-OS-medium
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sabarixr/Rusk-OS-medium" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsabarixr%2FRusk-OS-medium", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsabarixr%2FRusk-OS-medium'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e97676d0e594747a4b8d7cf1a38a33cc9edc74f4
[INFO] testing sabarixr/Rusk-OS-medium against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsabarixr%2FRusk-OS-medium" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/sabarixr/Rusk-OS-medium
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/sabarixr/Rusk-OS-medium
[INFO] tweaked toml for git repo https://github.com/sabarixr/Rusk-OS-medium written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sabarixr/Rusk-OS-medium on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sabarixr/Rusk-OS-medium 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ccf1840eedb4143062b846ff42c91cd74bbc987b2046d759d2bee4aa04d684a
[INFO] running `Command { std: "docker" "start" "-a" "2ccf1840eedb4143062b846ff42c91cd74bbc987b2046d759d2bee4aa04d684a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ccf1840eedb4143062b846ff42c91cd74bbc987b2046d759d2bee4aa04d684a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ccf1840eedb4143062b846ff42c91cd74bbc987b2046d759d2bee4aa04d684a", kill_on_drop: false }`
[INFO] [stdout] 2ccf1840eedb4143062b846ff42c91cd74bbc987b2046d759d2bee4aa04d684a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff7f37f97b84825f1f9100b4b3946a5a4d7e79b28a177735480c209de9a0232f
[INFO] running `Command { std: "docker" "start" "-a" "ff7f37f97b84825f1f9100b4b3946a5a4d7e79b28a177735480c209de9a0232f", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling bit_field v0.10.3
[INFO] [stderr]    Compiling volatile v0.4.6
[INFO] [stderr]    Compiling bootloader v0.9.33
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling pc-keyboard v0.5.1
[INFO] [stderr]    Compiling volatile v0.2.7
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling x86_64 v0.14.13
[INFO] [stderr]    Compiling pic8259 v0.10.4
[INFO] [stderr]    Compiling uart_16550 v0.2.19
[INFO] [stderr]    Compiling rusk_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `alloc`
[INFO] [stdout]  --> src/vga_buffer.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use alloc::string::String; // Error: alloc not available in no_std
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `alloc`
[INFO] [stdout]   |
[INFO] [stdout]   = help: add `extern crate alloc` to use the `alloc` crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `std`
[INFO] [stdout]  --> src/vga_buffer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::Arc; // Error: std not available
[INFO] [stdout]   |     ^^^ use of unresolved module or unlinked crate `std`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `std`, use `cargo add std` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/interrupts.rs:172:33
[INFO] [stdout]     |
[INFO] [stdout] 172 | ...                   for i in 0..20{
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusk_os` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ff7f37f97b84825f1f9100b4b3946a5a4d7e79b28a177735480c209de9a0232f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff7f37f97b84825f1f9100b4b3946a5a4d7e79b28a177735480c209de9a0232f", kill_on_drop: false }`
[INFO] [stdout] ff7f37f97b84825f1f9100b4b3946a5a4d7e79b28a177735480c209de9a0232f