[INFO] cloning repository https://github.com/stijnh/rust-advent-of-code-2019 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stijnh/rust-advent-of-code-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstijnh%2Frust-advent-of-code-2019", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstijnh%2Frust-advent-of-code-2019'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b8795c662b60ca01f5d615ea87d950260c42a800 [INFO] checking stijnh/rust-advent-of-code-2019 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstijnh%2Frust-advent-of-code-2019" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/stijnh/rust-advent-of-code-2019 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/stijnh/rust-advent-of-code-2019 [INFO] finished tweaking git repo https://github.com/stijnh/rust-advent-of-code-2019 [INFO] tweaked toml for git repo https://github.com/stijnh/rust-advent-of-code-2019 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/stijnh/rust-advent-of-code-2019 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 34 packages to latest compatible versions [INFO] [stderr] Adding aho-corasick v1.1.3 [INFO] [stderr] Adding arrayvec v0.5.2 (latest: v0.7.6) [INFO] [stderr] Adding autocfg v1.3.0 [INFO] [stderr] Adding binary-heap-plus v0.2.0 (latest: v0.5.0) [INFO] [stderr] Adding byteorder v1.5.0 [INFO] [stderr] Adding cfg-if v1.0.0 [INFO] [stderr] Adding compare v0.1.0 [INFO] [stderr] Adding defaultmap v0.5.0 (latest: v0.6.0) [INFO] [stderr] Adding float-ord v0.2.0 (latest: v0.3.2) [INFO] [stderr] Adding getrandom v0.2.15 [INFO] [stderr] Adding libc v0.2.158 [INFO] [stderr] Adding matrixmultiply v0.2.4 (latest: v0.3.9) [INFO] [stderr] Adding memchr v2.7.4 [INFO] [stderr] Adding ndarray v0.14.0 (latest: v0.16.1) [INFO] [stderr] Adding num-complex v0.3.1 (latest: v0.4.6) [INFO] [stderr] Adding num-integer v0.1.46 [INFO] [stderr] Adding num-traits v0.2.19 [INFO] [stderr] Adding ppv-lite86 v0.2.20 [INFO] [stderr] Adding proc-macro2 v1.0.86 [INFO] [stderr] Adding quote v1.0.37 [INFO] [stderr] Adding rand v0.8.5 [INFO] [stderr] Adding rand_chacha v0.3.1 [INFO] [stderr] Adding rand_core v0.6.4 [INFO] [stderr] Adding rawpointer v0.2.1 [INFO] [stderr] Adding regex v1.10.6 [INFO] [stderr] Adding regex-automata v0.4.7 [INFO] [stderr] Adding regex-syntax v0.8.4 [INFO] [stderr] Adding syn v2.0.77 [INFO] [stderr] Adding thiserror v1.0.63 [INFO] [stderr] Adding thiserror-impl v1.0.63 [INFO] [stderr] Adding unicode-ident v1.0.12 [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding zerocopy v0.7.35 [INFO] [stderr] Adding zerocopy-derive v0.7.35 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded anyhow v1.0.25 [INFO] [stderr] Downloaded defaultmap v0.5.0 [INFO] [stderr] Downloaded ndarray v0.14.0 [INFO] [stderr] Downloaded binary-heap-plus v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 59cad20108c6f7e372930ebd80cc1239ca020a5277decddc6a1393881fdc3052 [INFO] running `Command { std: "docker" "start" "-a" "59cad20108c6f7e372930ebd80cc1239ca020a5277decddc6a1393881fdc3052", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "59cad20108c6f7e372930ebd80cc1239ca020a5277decddc6a1393881fdc3052", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59cad20108c6f7e372930ebd80cc1239ca020a5277decddc6a1393881fdc3052", kill_on_drop: false }` [INFO] [stdout] 59cad20108c6f7e372930ebd80cc1239ca020a5277decddc6a1393881fdc3052 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dc98f14334ab3f605cc0705486647571435fa4a25b6af214637ccd5f3a3d6e0a [INFO] running `Command { std: "docker" "start" "-a" "dc98f14334ab3f605cc0705486647571435fa4a25b6af214637ccd5f3a3d6e0a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Compiling anyhow v1.0.25 [INFO] [stderr] Compiling ndarray v0.14.0 [INFO] [stderr] Checking compare v0.1.0 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking defaultmap v0.5.0 [INFO] [stderr] Checking float-ord v0.2.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking matrixmultiply v0.2.4 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking binary-heap-plus v0.2.0 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking thiserror v1.0.63 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking advent2019 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/day17.rs:240:10 [INFO] [stdout] | [INFO] [stdout] 240 | .intersperse(','); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] --> src/main.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 + #![feature(iter_intersperse)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/day17.rs:240:10 [INFO] [stdout] | [INFO] [stdout] 240 | .intersperse(','); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] --> src/main.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 + #![feature(iter_intersperse)] [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` profile [unoptimized + debuginfo] target(s) in 7.08s [INFO] running `Command { std: "docker" "inspect" "dc98f14334ab3f605cc0705486647571435fa4a25b6af214637ccd5f3a3d6e0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc98f14334ab3f605cc0705486647571435fa4a25b6af214637ccd5f3a3d6e0a", kill_on_drop: false }` [INFO] [stdout] dc98f14334ab3f605cc0705486647571435fa4a25b6af214637ccd5f3a3d6e0a [INFO] checking stijnh/rust-advent-of-code-2019 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstijnh%2Frust-advent-of-code-2019" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/stijnh/rust-advent-of-code-2019 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/stijnh/rust-advent-of-code-2019 [INFO] finished tweaking git repo https://github.com/stijnh/rust-advent-of-code-2019 [INFO] tweaked toml for git repo https://github.com/stijnh/rust-advent-of-code-2019 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/stijnh/rust-advent-of-code-2019 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 34 packages to latest compatible versions [INFO] [stderr] Adding aho-corasick v1.1.3 [INFO] [stderr] Adding arrayvec v0.5.2 (latest: v0.7.6) [INFO] [stderr] Adding autocfg v1.3.0 [INFO] [stderr] Adding binary-heap-plus v0.2.0 (latest: v0.5.0) [INFO] [stderr] Adding byteorder v1.5.0 [INFO] [stderr] Adding cfg-if v1.0.0 [INFO] [stderr] Adding compare v0.1.0 [INFO] [stderr] Adding defaultmap v0.5.0 (latest: v0.6.0) [INFO] [stderr] Adding float-ord v0.2.0 (latest: v0.3.2) [INFO] [stderr] Adding getrandom v0.2.15 [INFO] [stderr] Adding libc v0.2.158 [INFO] [stderr] Adding matrixmultiply v0.2.4 (latest: v0.3.9) [INFO] [stderr] Adding memchr v2.7.4 [INFO] [stderr] Adding ndarray v0.14.0 (latest: v0.16.1) [INFO] [stderr] Adding num-complex v0.3.1 (latest: v0.4.6) [INFO] [stderr] Adding num-integer v0.1.46 [INFO] [stderr] Adding num-traits v0.2.19 [INFO] [stderr] Adding ppv-lite86 v0.2.20 [INFO] [stderr] Adding proc-macro2 v1.0.86 [INFO] [stderr] Adding quote v1.0.37 [INFO] [stderr] Adding rand v0.8.5 [INFO] [stderr] Adding rand_chacha v0.3.1 [INFO] [stderr] Adding rand_core v0.6.4 [INFO] [stderr] Adding rawpointer v0.2.1 [INFO] [stderr] Adding regex v1.10.6 [INFO] [stderr] Adding regex-automata v0.4.7 [INFO] [stderr] Adding regex-syntax v0.8.4 [INFO] [stderr] Adding syn v2.0.77 [INFO] [stderr] Adding thiserror v1.0.63 [INFO] [stderr] Adding thiserror-impl v1.0.63 [INFO] [stderr] Adding unicode-ident v1.0.12 [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding zerocopy v0.7.35 [INFO] [stderr] Adding zerocopy-derive v0.7.35 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fc79db7b4cbe93a3b12dcc68c38c1e93c9a4d96863b9ebd2c76a2d3e5f08b10d [INFO] running `Command { std: "docker" "start" "-a" "fc79db7b4cbe93a3b12dcc68c38c1e93c9a4d96863b9ebd2c76a2d3e5f08b10d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fc79db7b4cbe93a3b12dcc68c38c1e93c9a4d96863b9ebd2c76a2d3e5f08b10d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc79db7b4cbe93a3b12dcc68c38c1e93c9a4d96863b9ebd2c76a2d3e5f08b10d", kill_on_drop: false }` [INFO] [stdout] fc79db7b4cbe93a3b12dcc68c38c1e93c9a4d96863b9ebd2c76a2d3e5f08b10d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7dc2cfb518f0c85758e939a255e5dee7c39cc8be6deef11e97d87b6688c5c701 [INFO] running `Command { std: "docker" "start" "-a" "7dc2cfb518f0c85758e939a255e5dee7c39cc8be6deef11e97d87b6688c5c701", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Compiling ndarray v0.14.0 [INFO] [stderr] Compiling anyhow v1.0.25 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking compare v0.1.0 [INFO] [stderr] Checking float-ord v0.2.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking defaultmap v0.5.0 [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking matrixmultiply v0.2.4 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking binary-heap-plus v0.2.0 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking thiserror v1.0.63 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking advent2019 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/day17.rs:240:10 [INFO] [stdout] | [INFO] [stdout] 240 | .intersperse(','); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] --> src/main.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 + #![feature(iter_intersperse)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/day17.rs:240:10 [INFO] [stdout] | [INFO] [stdout] 240 | .intersperse(','); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] --> src/main.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 + #![feature(iter_intersperse)] [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` profile [unoptimized + debuginfo] target(s) in 6.37s [INFO] running `Command { std: "docker" "inspect" "7dc2cfb518f0c85758e939a255e5dee7c39cc8be6deef11e97d87b6688c5c701", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7dc2cfb518f0c85758e939a255e5dee7c39cc8be6deef11e97d87b6688c5c701", kill_on_drop: false }` [INFO] [stdout] 7dc2cfb518f0c85758e939a255e5dee7c39cc8be6deef11e97d87b6688c5c701