[INFO] fetching crate core_extensions 1.5.3...
[INFO] checking core_extensions-1.5.3 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate core_extensions 1.5.3 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate core_extensions 1.5.3 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate core_extensions 1.5.3
[INFO] finished tweaking crates.io crate core_extensions 1.5.3
[INFO] tweaked toml for crates.io crate core_extensions 1.5.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.66)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d9ef330710b39d27dd385c086cc734ea2c3e3af43b40c7fa8f2e51c56944479
[INFO] running `Command { std: "docker" "start" "-a" "3d9ef330710b39d27dd385c086cc734ea2c3e3af43b40c7fa8f2e51c56944479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d9ef330710b39d27dd385c086cc734ea2c3e3af43b40c7fa8f2e51c56944479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d9ef330710b39d27dd385c086cc734ea2c3e3af43b40c7fa8f2e51c56944479", kill_on_drop: false }`
[INFO] [stdout] 3d9ef330710b39d27dd385c086cc734ea2c3e3af43b40c7fa8f2e51c56944479
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 673c28218b4af9eaa7052d551782d5cf7fa389312063dce0eeb9b749d6a4812d
[INFO] running `Command { std: "docker" "start" "-a" "673c28218b4af9eaa7052d551782d5cf7fa389312063dce0eeb9b749d6a4812d", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking core_extensions v1.5.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: tests must be run with the "__test" feature
[INFO] [stdout]    --> src_core_extensions/lib.rs:553:1
[INFO] [stdout]     |
[INFO] [stdout] 553 | compile_error! { "tests must be run with the \"__test\" feature" }
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `test_utils`
[INFO] [stdout]    --> src_core_extensions/utils.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |     use test_utils::DecOnDrop;  
[INFO] [stdout]     |         ^^^^^^^^^^ maybe a missing crate `test_utils`?
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding `extern crate test_utils` to use the `test_utils` crate
[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 E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `core_extensions` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "673c28218b4af9eaa7052d551782d5cf7fa389312063dce0eeb9b749d6a4812d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "673c28218b4af9eaa7052d551782d5cf7fa389312063dce0eeb9b749d6a4812d", kill_on_drop: false }`
[INFO] [stdout] 673c28218b4af9eaa7052d551782d5cf7fa389312063dce0eeb9b749d6a4812d