[INFO] fetching crate lazy-pregen 0.1.4...
[INFO] checking lazy-pregen-0.1.4 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate lazy-pregen 0.1.4 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate lazy-pregen 0.1.4 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lazy-pregen 0.1.4
[INFO] finished tweaking crates.io crate lazy-pregen 0.1.4
[INFO] tweaked toml for crates.io crate lazy-pregen 0.1.4 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "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] b4d586163efa5d556bb43512b7033a0c4d5f3f4ff94f2cd7594a7f896c6d0113
[INFO] running `Command { std: "docker" "start" "-a" "b4d586163efa5d556bb43512b7033a0c4d5f3f4ff94f2cd7594a7f896c6d0113", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4d586163efa5d556bb43512b7033a0c4d5f3f4ff94f2cd7594a7f896c6d0113", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4d586163efa5d556bb43512b7033a0c4d5f3f4ff94f2cd7594a7f896c6d0113", kill_on_drop: false }`
[INFO] [stdout] b4d586163efa5d556bb43512b7033a0c4d5f3f4ff94f2cd7594a7f896c6d0113
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0cd4388d6f7f1b6dd0e9c4046a2e7067abc93fe82967e9a8908205cc5e1c60e
[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" "d0cd4388d6f7f1b6dd0e9c4046a2e7067abc93fe82967e9a8908205cc5e1c60e", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking nix v0.23.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking backtrace v0.3.61
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking fern v0.5.9
[INFO] [stderr]     Checking ctrlc v3.2.1
[INFO] [stderr]     Checking lazy-pregen v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> src/main.rs:802:77
[INFO] [stdout]     |
[INFO] [stdout] 802 |                 .args([&xmx_arg, "-jar", &config.resources.server, "nogui"].into_iter())
[INFO] [stdout]     |                                                                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 802 |                 .args([&xmx_arg, "-jar", &config.resources.server, "nogui"].iter())
[INFO] [stdout]     |                                                                             ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 802 |                 .args(IntoIterator::into_iter([&xmx_arg, "-jar", &config.resources.server, "nogui"]))
[INFO] [stdout]     |                       ++++++++++++++++++++++++                                                     ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> src/main.rs:802:77
[INFO] [stdout]     |
[INFO] [stdout] 802 |                 .args([&xmx_arg, "-jar", &config.resources.server, "nogui"].into_iter())
[INFO] [stdout]     |                                                                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 802 |                 .args([&xmx_arg, "-jar", &config.resources.server, "nogui"].iter())
[INFO] [stdout]     |                                                                             ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 802 |                 .args(IntoIterator::into_iter([&xmx_arg, "-jar", &config.resources.server, "nogui"]))
[INFO] [stdout]     |                       ++++++++++++++++++++++++                                                     ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.96s
[INFO] running `Command { std: "docker" "inspect" "d0cd4388d6f7f1b6dd0e9c4046a2e7067abc93fe82967e9a8908205cc5e1c60e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0cd4388d6f7f1b6dd0e9c4046a2e7067abc93fe82967e9a8908205cc5e1c60e", kill_on_drop: false }`
[INFO] [stdout] d0cd4388d6f7f1b6dd0e9c4046a2e7067abc93fe82967e9a8908205cc5e1c60e
