[INFO] cloning repository https://github.com/kristopherbullinger/battlesnakes [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kristopherbullinger/battlesnakes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkristopherbullinger%2Fbattlesnakes", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkristopherbullinger%2Fbattlesnakes'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 679a9c28e3bb5c20e7e8fd99992c3f761640becc [INFO] checking kristopherbullinger/battlesnakes against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkristopherbullinger%2Fbattlesnakes" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kristopherbullinger/battlesnakes on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-13/source/rust-toolchain [INFO] started tweaking git repo https://github.com/kristopherbullinger/battlesnakes [INFO] finished tweaking git repo https://github.com/kristopherbullinger/battlesnakes [INFO] tweaked toml for git repo https://github.com/kristopherbullinger/battlesnakes written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/kristopherbullinger/battlesnakes already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] b84b9bc065cddcd775babe35246b7ad5709e2f7cf30b0d06637639ced2b7f83f [INFO] running `Command { std: "docker" "start" "-a" "b84b9bc065cddcd775babe35246b7ad5709e2f7cf30b0d06637639ced2b7f83f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b84b9bc065cddcd775babe35246b7ad5709e2f7cf30b0d06637639ced2b7f83f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b84b9bc065cddcd775babe35246b7ad5709e2f7cf30b0d06637639ced2b7f83f", kill_on_drop: false }` [INFO] [stdout] b84b9bc065cddcd775babe35246b7ad5709e2f7cf30b0d06637639ced2b7f83f [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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e3722babfddd55f5cbb77fab56f80350a54aff9b63e612e768603b2f2d5680de [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" "e3722babfddd55f5cbb77fab56f80350a54aff9b63e612e768603b2f2d5680de", kill_on_drop: false }` [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling safemem v0.3.3 [INFO] [stderr] Compiling state v0.4.2 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Compiling pear_codegen v0.1.4 [INFO] [stderr] Compiling tinyvec v1.3.1 [INFO] [stderr] Compiling rocket_codegen v0.4.10 [INFO] [stderr] Compiling rocket v0.4.10 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking filetime v0.2.14 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Checking cookie v0.11.4 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking notify v4.0.17 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling devise_core v0.2.0 [INFO] [stderr] Compiling devise_codegen v0.2.0 [INFO] [stderr] Compiling devise v0.2.0 [INFO] [stderr] Compiling pear v0.1.4 [INFO] [stderr] Checking rocket_http v0.4.10 [INFO] [stderr] Checking serde v1.0.126 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking rocket_contrib v0.4.10 [INFO] [stderr] Checking starter-snake-rust v1.0.0 (/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/logic.rs:128:32 [INFO] [stdout] | [INFO] [stdout] 128 | let moves = possible_moves.into_iter().flatten().collect::>(); [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 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 128 | let moves = possible_moves.iter().flatten().collect::>(); [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 128 | let moves = IntoIterator::into_iter(possible_moves).flatten().collect::>(); [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [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/logic.rs:128:32 [INFO] [stdout] | [INFO] [stdout] 128 | let moves = possible_moves.into_iter().flatten().collect::>(); [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 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 128 | let moves = possible_moves.iter().flatten().collect::>(); [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 128 | let moves = IntoIterator::into_iter(possible_moves).flatten().collect::>(); [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 42s [INFO] running `Command { std: "docker" "inspect" "e3722babfddd55f5cbb77fab56f80350a54aff9b63e612e768603b2f2d5680de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3722babfddd55f5cbb77fab56f80350a54aff9b63e612e768603b2f2d5680de", kill_on_drop: false }` [INFO] [stdout] e3722babfddd55f5cbb77fab56f80350a54aff9b63e612e768603b2f2d5680de