[INFO] fetching crate tweetnacl 0.2.1...
[INFO] checking tweetnacl-0.2.1 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate tweetnacl 0.2.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate tweetnacl 0.2.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tweetnacl 0.2.1
[INFO] finished tweaking crates.io crate tweetnacl 0.2.1
[INFO] tweaked toml for crates.io crate tweetnacl 0.2.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a734fc8c8cc6ac77fd666f96b8c96dfa93d20e4d7af9ff217b5c6e5cab55837
[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" "3a734fc8c8cc6ac77fd666f96b8c96dfa93d20e4d7af9ff217b5c6e5cab55837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a734fc8c8cc6ac77fd666f96b8c96dfa93d20e4d7af9ff217b5c6e5cab55837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a734fc8c8cc6ac77fd666f96b8c96dfa93d20e4d7af9ff217b5c6e5cab55837", kill_on_drop: false }`
[INFO] [stdout] 3a734fc8c8cc6ac77fd666f96b8c96dfa93d20e4d7af9ff217b5c6e5cab55837
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7690974ccd612c3093881afacfafdccf54ffe7217f9cdb83d56a955a698e3c27
[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" "7690974ccd612c3093881afacfafdccf54ffe7217f9cdb83d56a955a698e3c27", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling tweetnacl-sys v0.1.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking tweetnacl v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this method call currently resolves to `<&[T] 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/lib.rs:197:25
[INFO] [stdout]     |
[INFO] [stdout] 197 |     for (i, v) in x_sys.into_iter().enumerate() {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stdout] warning: this method call currently resolves to `<&[T] 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/lib.rs:197:25
[INFO] [stdout]     |
[INFO] [stdout] 197 |     for (i, v) in x_sys.into_iter().enumerate() {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.04s
[INFO] running `Command { std: "docker" "inspect" "7690974ccd612c3093881afacfafdccf54ffe7217f9cdb83d56a955a698e3c27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7690974ccd612c3093881afacfafdccf54ffe7217f9cdb83d56a955a698e3c27", kill_on_drop: false }`
[INFO] [stdout] 7690974ccd612c3093881afacfafdccf54ffe7217f9cdb83d56a955a698e3c27
