[INFO] fetching crate tdb_core 0.5.2...
[INFO] checking tdb_core-0.5.2 against beta for pr-78714
[INFO] extracting crate tdb_core 0.5.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tdb_core 0.5.2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tdb_core 0.5.2
[INFO] finished tweaking crates.io crate tdb_core 0.5.2
[INFO] tweaked toml for crates.io crate tdb_core 0.5.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9025214e0a53e214627f95a38a6ce78133e08e6b9501268e95d09273e52c82aa
[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" "9025214e0a53e214627f95a38a6ce78133e08e6b9501268e95d09273e52c82aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9025214e0a53e214627f95a38a6ce78133e08e6b9501268e95d09273e52c82aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9025214e0a53e214627f95a38a6ce78133e08e6b9501268e95d09273e52c82aa", kill_on_drop: false }`
[INFO] [stdout] 9025214e0a53e214627f95a38a6ce78133e08e6b9501268e95d09273e52c82aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55221ab06575d696dd681eb6c7989f11391922b5a073ef76f62bfdfba958b810
[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" "55221ab06575d696dd681eb6c7989f11391922b5a073ef76f62bfdfba958b810", kill_on_drop: false }`
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking fern v0.5.9
[INFO] [stderr]     Checking csv v1.1.4
[INFO] [stderr]     Checking tdb_core v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `dtf::update::Update::serialize_raw`
[INFO] [stdout]    --> src/dtf/update.rs:225:25
[INFO] [stdout]     |
[INFO] [stdout] 225 |         let result = up.serialize_raw();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]    --> src/storage/dtf_file_metadata.rs:122:10
[INFO] [stdout]     |
[INFO] [stdout] 122 |         .into_iter()
[INFO] [stdout]     |          ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]     --> src/dtf/file_format.rs:1229:40
[INFO] [stdout]      |
[INFO] [stdout] 1229 |         write_batches(&mut bytes, [up].into_iter().peekable()).unwrap();
[INFO] [stdout]      |                                        ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.92s
[INFO] running `Command { std: "docker" "inspect" "55221ab06575d696dd681eb6c7989f11391922b5a073ef76f62bfdfba958b810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55221ab06575d696dd681eb6c7989f11391922b5a073ef76f62bfdfba958b810", kill_on_drop: false }`
[INFO] [stdout] 55221ab06575d696dd681eb6c7989f11391922b5a073ef76f62bfdfba958b810