[INFO] fetching crate compiler_builtins 0.1.126...
[INFO] checking compiler_builtins-0.1.126 against try#47af3d0de9d26c7deba4cfb203b710cc3f764e91 for pr-130443
[INFO] extracting crate compiler_builtins 0.1.126 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate compiler_builtins 0.1.126 on toolchain 47af3d0de9d26c7deba4cfb203b710cc3f764e91
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate compiler_builtins 0.1.126
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate compiler_builtins 0.1.126
[INFO] tweaked toml for crates.io crate compiler_builtins 0.1.126 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate compiler_builtins 0.1.126 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" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0f8341b93515b011fec3152d7cc38c0d362ae75a82e1ce5a568b8adb11699bb
[INFO] running `Command { std: "docker" "start" "-a" "c0f8341b93515b011fec3152d7cc38c0d362ae75a82e1ce5a568b8adb11699bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0f8341b93515b011fec3152d7cc38c0d362ae75a82e1ce5a568b8adb11699bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0f8341b93515b011fec3152d7cc38c0d362ae75a82e1ce5a568b8adb11699bb", kill_on_drop: false }`
[INFO] [stdout] c0f8341b93515b011fec3152d7cc38c0d362ae75a82e1ce5a568b8adb11699bb
[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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d42265de98ffd124b8d6322a7c52d20cfe44f1913cc7ffc87e7a697ed9e1e0f
[INFO] running `Command { std: "docker" "start" "-a" "8d42265de98ffd124b8d6322a7c52d20cfe44f1913cc7ffc87e7a697ed9e1e0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling compiler_builtins v0.1.126 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `panic_handler`
[INFO] [stdout]   --> examples/intrinsics.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | extern crate panic_handler;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `compiler_builtins` (example "intrinsics") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "8d42265de98ffd124b8d6322a7c52d20cfe44f1913cc7ffc87e7a697ed9e1e0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d42265de98ffd124b8d6322a7c52d20cfe44f1913cc7ffc87e7a697ed9e1e0f", kill_on_drop: false }`
[INFO] [stdout] 8d42265de98ffd124b8d6322a7c52d20cfe44f1913cc7ffc87e7a697ed9e1e0f
