[INFO] crate kg-diag-derive 0.4.0 is already in cache
[INFO] checking kg-diag-derive-0.4.0 against try#5fdfba63a96c5e8ae0ebf6b8b66853110277087d for pr-73166
[INFO] extracting crate kg-diag-derive 0.4.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate kg-diag-derive 0.4.0 on toolchain 5fdfba63a96c5e8ae0ebf6b8b66853110277087d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kg-diag-derive 0.4.0
[INFO] finished tweaking crates.io crate kg-diag-derive 0.4.0
[INFO] tweaked toml for crates.io crate kg-diag-derive 0.4.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2e4008994ba17725857b0d8c8ba1133ad936f8d35da6557f9c5d07759d9f6e0d
[INFO] running `Command { std: "docker" "start" "-a" "2e4008994ba17725857b0d8c8ba1133ad936f8d35da6557f9c5d07759d9f6e0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e4008994ba17725857b0d8c8ba1133ad936f8d35da6557f9c5d07759d9f6e0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e4008994ba17725857b0d8c8ba1133ad936f8d35da6557f9c5d07759d9f6e0d", kill_on_drop: false }`
[INFO] [stdout] 2e4008994ba17725857b0d8c8ba1133ad936f8d35da6557f9c5d07759d9f6e0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea987f67b25f82f02f750046335b6f2cdc603a72c14089771634e89d8e007571
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ea987f67b25f82f02f750046335b6f2cdc603a72c14089771634e89d8e007571", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]    Compiling kg-utils v0.2.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling synstructure v0.11.0
[INFO] [stderr]     Checking proc-macro2 v1.0.19
[INFO] [stderr]     Checking nom v5.1.2
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking syn v1.0.35
[INFO] [stderr]     Checking kg-display v0.1.2
[INFO] [stderr]    Compiling kg-display-derive v0.1.1
[INFO] [stderr]     Checking kg-diag v0.4.0
[INFO] [stderr]     Checking kg-diag-derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> tests/tests.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(specialization)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.42s
[INFO] running `Command { std: "docker" "inspect" "ea987f67b25f82f02f750046335b6f2cdc603a72c14089771634e89d8e007571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea987f67b25f82f02f750046335b6f2cdc603a72c14089771634e89d8e007571", kill_on_drop: false }`
[INFO] [stdout] ea987f67b25f82f02f750046335b6f2cdc603a72c14089771634e89d8e007571