[INFO] cloning repository https://github.com/Akaash-Kashyap/RustOs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Akaash-Kashyap/RustOs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkaash-Kashyap%2FRustOs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkaash-Kashyap%2FRustOs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b67faaf18b35a04d99f34d253a62251345097de
[INFO] checking Akaash-Kashyap/RustOs against try#a3a874232ae0a7586b5fbe7483c5a42e157bd62a for pr-151109
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkaash-Kashyap%2FRustOs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Akaash-Kashyap/RustOs
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/Akaash-Kashyap/RustOs
[INFO] tweaked toml for git repo https://github.com/Akaash-Kashyap/RustOs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Akaash-Kashyap/RustOs on toolchain a3a874232ae0a7586b5fbe7483c5a42e157bd62a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Akaash-Kashyap/RustOs 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" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a81082f805ad01823f5a255f75f2b0408558cba38564ea37c66592465e1049d1
[INFO] running `Command { std: "docker" "start" "-a" "a81082f805ad01823f5a255f75f2b0408558cba38564ea37c66592465e1049d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a81082f805ad01823f5a255f75f2b0408558cba38564ea37c66592465e1049d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a81082f805ad01823f5a255f75f2b0408558cba38564ea37c66592465e1049d1", kill_on_drop: false }`
[INFO] [stdout] a81082f805ad01823f5a255f75f2b0408558cba38564ea37c66592465e1049d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9d4226e6c7557bd839da111ebef4c7b806d48898d54bcdb7f8115bd225f0682
[INFO] running `Command { std: "docker" "start" "-a" "e9d4226e6c7557bd839da111ebef4c7b806d48898d54bcdb7f8115bd225f0682", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]    Compiling bootloader v0.9.33
[INFO] [stderr]     Checking bit_field v0.10.3
[INFO] [stderr]     Checking volatile v0.4.6
[INFO] [stderr]     Checking volatile v0.2.7
[INFO] [stderr]     Checking x86_64 v0.14.13
[INFO] [stderr]     Checking uart_16550 v0.2.19
[INFO] [stderr]     Checking os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `os` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e9d4226e6c7557bd839da111ebef4c7b806d48898d54bcdb7f8115bd225f0682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9d4226e6c7557bd839da111ebef4c7b806d48898d54bcdb7f8115bd225f0682", kill_on_drop: false }`
[INFO] [stdout] e9d4226e6c7557bd839da111ebef4c7b806d48898d54bcdb7f8115bd225f0682
