[INFO] cloning repository https://github.com/0xSchnappi/rust-os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xSchnappi/rust-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xSchnappi%2Frust-os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xSchnappi%2Frust-os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ce9dd11c1fb762c96d87e99ecd84f19f8b461e2
[INFO] checking 0xSchnappi/rust-os against try#04ea1e1f1a12cfa912c228ca278237d92d0bb6df for pr-148477-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xSchnappi%2Frust-os" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/0xSchnappi/rust-os
[INFO] finished tweaking git repo https://github.com/0xSchnappi/rust-os
[INFO] tweaked toml for git repo https://github.com/0xSchnappi/rust-os written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xSchnappi/rust-os on toolchain 04ea1e1f1a12cfa912c228ca278237d92d0bb6df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0xSchnappi/rust-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" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5c941511e3bbd054ba0407e4c4198c9da6653452fd46b0206b1615603fbc19b
[INFO] running `Command { std: "docker" "start" "-a" "f5c941511e3bbd054ba0407e4c4198c9da6653452fd46b0206b1615603fbc19b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5c941511e3bbd054ba0407e4c4198c9da6653452fd46b0206b1615603fbc19b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5c941511e3bbd054ba0407e4c4198c9da6653452fd46b0206b1615603fbc19b", kill_on_drop: false }`
[INFO] [stdout] f5c941511e3bbd054ba0407e4c4198c9da6653452fd46b0206b1615603fbc19b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6ba6892a4fadbd68bfd8b7bc624eb8e6a44c72cb963e8604c9220ee49ef1151
[INFO] running `Command { std: "docker" "start" "-a" "c6ba6892a4fadbd68bfd8b7bc624eb8e6a44c72cb963e8604c9220ee49ef1151", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling bootloader v0.9.29
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking volatile v0.2.7
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking rust-os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: static `HELLO` is never used
[INFO] [stdout]   --> src/main.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | static HELLO: &[u8] = b"Hello World!";
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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 `rust-os` (bin "rust-os" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c6ba6892a4fadbd68bfd8b7bc624eb8e6a44c72cb963e8604c9220ee49ef1151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6ba6892a4fadbd68bfd8b7bc624eb8e6a44c72cb963e8604c9220ee49ef1151", kill_on_drop: false }`
[INFO] [stdout] c6ba6892a4fadbd68bfd8b7bc624eb8e6a44c72cb963e8604c9220ee49ef1151
