[INFO] fetching crate hotswap-runtime 0.2.0...
[INFO] testing hotswap-runtime-0.2.0 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate hotswap-runtime 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate hotswap-runtime 0.2.0
[INFO] finished tweaking crates.io crate hotswap-runtime 0.2.0
[INFO] tweaked toml for crates.io crate hotswap-runtime 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate hotswap-runtime 0.2.0 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding libloading v0.4.3 (available: v0.9.0)
[INFO] [stderr]       Adding parking_lot v0.5.5 (available: v0.12.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libloading v0.4.3
[INFO] [stderr]   Downloaded parking_lot v0.5.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46972ee1489eb063d5e9e9c2b6177297eae9ce5bce35b9a655869a6f6e76201b
[INFO] running `Command { std: "docker" "start" "-a" "46972ee1489eb063d5e9e9c2b6177297eae9ce5bce35b9a655869a6f6e76201b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46972ee1489eb063d5e9e9c2b6177297eae9ce5bce35b9a655869a6f6e76201b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46972ee1489eb063d5e9e9c2b6177297eae9ce5bce35b9a655869a6f6e76201b", kill_on_drop: false }`
[INFO] [stdout] 46972ee1489eb063d5e9e9c2b6177297eae9ce5bce35b9a655869a6f6e76201b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0487951c37eee94bd9da9006e89259cf72a5bcfd56ac0e31b028e6e3e911a1d1
[INFO] running `Command { std: "docker" "start" "-a" "0487951c37eee94bd9da9006e89259cf72a5bcfd56ac0e31b028e6e3e911a1d1", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stdout] error[E0635]: unknown feature `integer_atomics`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/parking_lot_core-0.2.14/src/lib.rs:41:68
[INFO] [stdout]    |
[INFO] [stdout] 41 | #![cfg_attr(all(feature = "nightly", target_os = "linux"), feature(integer_atomics))]
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parking_lot_core` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "0487951c37eee94bd9da9006e89259cf72a5bcfd56ac0e31b028e6e3e911a1d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0487951c37eee94bd9da9006e89259cf72a5bcfd56ac0e31b028e6e3e911a1d1", kill_on_drop: false }`
[INFO] [stdout] 0487951c37eee94bd9da9006e89259cf72a5bcfd56ac0e31b028e6e3e911a1d1
