[INFO] cloning repository https://github.com/astrojerms/rustos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/astrojerms/rustos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fastrojerms%2Frustos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fastrojerms%2Frustos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a17ac2abcf3963d3a30bee0a1ca93a97cabdb17
[INFO] checking astrojerms/rustos against try#e5b0618d996a6a3941e423fd3e170737b8dbdc92 for pr-151822
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fastrojerms%2Frustos" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/astrojerms/rustos
[INFO] finished tweaking git repo https://github.com/astrojerms/rustos
[INFO] tweaked toml for git repo https://github.com/astrojerms/rustos written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/astrojerms/rustos on toolchain e5b0618d996a6a3941e423fd3e170737b8dbdc92
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e5b0618d996a6a3941e423fd3e170737b8dbdc92" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/astrojerms/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" "+e5b0618d996a6a3941e423fd3e170737b8dbdc92" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+e5b0618d996a6a3941e423fd3e170737b8dbdc92" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5e4c826454e95e491a4b440d816bbe9eff67ab1109a675dd0c67a0f0e79c64c
[INFO] running `Command { std: "docker" "start" "-a" "a5e4c826454e95e491a4b440d816bbe9eff67ab1109a675dd0c67a0f0e79c64c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5e4c826454e95e491a4b440d816bbe9eff67ab1109a675dd0c67a0f0e79c64c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5e4c826454e95e491a4b440d816bbe9eff67ab1109a675dd0c67a0f0e79c64c", kill_on_drop: false }`
[INFO] [stdout] a5e4c826454e95e491a4b440d816bbe9eff67ab1109a675dd0c67a0f0e79c64c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+e5b0618d996a6a3941e423fd3e170737b8dbdc92" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e9d400fdf285d5fdc18e7a0100bfc27b022eb060f958683dbb053938521e7b7
[INFO] running `Command { std: "docker" "start" "-a" "9e9d400fdf285d5fdc18e7a0100bfc27b022eb060f958683dbb053938521e7b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/main.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | / pub fn panic_handler(_info: &core::panic::PanicInfo) -> ! {
[INFO] [stdout] 49 | |     loop {}
[INFO] [stdout] 50 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/e5b0618d996a6a3941e423fd3e170737b8dbdc92/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d21d73a0ded86791.rmeta
[INFO] [stdout]    = note: second definition in the local crate (`rustos`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustos` (bin "rustos" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "9e9d400fdf285d5fdc18e7a0100bfc27b022eb060f958683dbb053938521e7b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e9d400fdf285d5fdc18e7a0100bfc27b022eb060f958683dbb053938521e7b7", kill_on_drop: false }`
[INFO] [stdout] 9e9d400fdf285d5fdc18e7a0100bfc27b022eb060f958683dbb053938521e7b7