[INFO] fetching crate compiler_builtins 0.1.104...
[INFO] checking compiler_builtins-0.1.104 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate compiler_builtins 0.1.104 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate compiler_builtins 0.1.104 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate compiler_builtins 0.1.104
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate compiler_builtins 0.1.104
[INFO] tweaked toml for crates.io crate compiler_builtins 0.1.104 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate compiler_builtins 0.1.104 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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-std-workspace-core v1.0.0
[INFO] [stderr]   Downloaded cc v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4665cb94ec4f63dd2b1776ea2eefb3eedec985c1aeb465ed897e8eae5c5ff1a
[INFO] running `Command { std: "docker" "start" "-a" "e4665cb94ec4f63dd2b1776ea2eefb3eedec985c1aeb465ed897e8eae5c5ff1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4665cb94ec4f63dd2b1776ea2eefb3eedec985c1aeb465ed897e8eae5c5ff1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4665cb94ec4f63dd2b1776ea2eefb3eedec985c1aeb465ed897e8eae5c5ff1a", kill_on_drop: false }`
[INFO] [stdout] e4665cb94ec4f63dd2b1776ea2eefb3eedec985c1aeb465ed897e8eae5c5ff1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68a66bdda479a961dfd27b26caebc29b23099ab82d2a89e23c6b3b9e18842729
[INFO] running `Command { std: "docker" "start" "-a" "68a66bdda479a961dfd27b26caebc29b23099ab82d2a89e23c6b3b9e18842729", kill_on_drop: false }`
[INFO] [stderr]    Compiling compiler_builtins v0.1.104 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `panic_handler`
[INFO] [stdout]   --> examples/intrinsics.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | 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" "68a66bdda479a961dfd27b26caebc29b23099ab82d2a89e23c6b3b9e18842729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68a66bdda479a961dfd27b26caebc29b23099ab82d2a89e23c6b3b9e18842729", kill_on_drop: false }`
[INFO] [stdout] 68a66bdda479a961dfd27b26caebc29b23099ab82d2a89e23c6b3b9e18842729
[INFO] checking compiler_builtins-0.1.104 against try#785364c7e5e0804473a3fddfb579798ea14e3493 for pr-114682
[INFO] extracting crate compiler_builtins 0.1.104 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate compiler_builtins 0.1.104 on toolchain 785364c7e5e0804473a3fddfb579798ea14e3493
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate compiler_builtins 0.1.104
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate compiler_builtins 0.1.104
[INFO] tweaked toml for crates.io crate compiler_builtins 0.1.104 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate compiler_builtins 0.1.104 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" "+785364c7e5e0804473a3fddfb579798ea14e3493" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 700979b1eeed68b79411b5c4adb48f7861ebd32c199ea64a8f46481cbe0d6ee3
[INFO] running `Command { std: "docker" "start" "-a" "700979b1eeed68b79411b5c4adb48f7861ebd32c199ea64a8f46481cbe0d6ee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "700979b1eeed68b79411b5c4adb48f7861ebd32c199ea64a8f46481cbe0d6ee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "700979b1eeed68b79411b5c4adb48f7861ebd32c199ea64a8f46481cbe0d6ee3", kill_on_drop: false }`
[INFO] [stdout] 700979b1eeed68b79411b5c4adb48f7861ebd32c199ea64a8f46481cbe0d6ee3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73948f23d0d7483236a14b89876946492a5cc6b7c898ddd89199342ddfcbd961
[INFO] running `Command { std: "docker" "start" "-a" "73948f23d0d7483236a14b89876946492a5cc6b7c898ddd89199342ddfcbd961", kill_on_drop: false }`
[INFO] [stderr]    Compiling compiler_builtins v0.1.104 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `panic_handler`
[INFO] [stdout]   --> examples/intrinsics.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | 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" "73948f23d0d7483236a14b89876946492a5cc6b7c898ddd89199342ddfcbd961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73948f23d0d7483236a14b89876946492a5cc6b7c898ddd89199342ddfcbd961", kill_on_drop: false }`
[INFO] [stdout] 73948f23d0d7483236a14b89876946492a5cc6b7c898ddd89199342ddfcbd961
