[INFO] cloning repository https://github.com/Alpvax/rust-aoc-2015 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Alpvax/rust-aoc-2015" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlpvax%2Frust-aoc-2015", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlpvax%2Frust-aoc-2015'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6c038e5ae7d972a5a18b775d3026d3289aa66aa7 [INFO] checking Alpvax/rust-aoc-2015 against try#ff044a3d65d25a17c3e14c1530004e1540179ba7 for pr-78338 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlpvax%2Frust-aoc-2015" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Alpvax/rust-aoc-2015 on toolchain ff044a3d65d25a17c3e14c1530004e1540179ba7 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Alpvax/rust-aoc-2015 [INFO] finished tweaking git repo https://github.com/Alpvax/rust-aoc-2015 [INFO] tweaked toml for git repo https://github.com/Alpvax/rust-aoc-2015 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/Alpvax/rust-aoc-2015 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded strum v0.19.5 [INFO] [stderr] Downloaded fancy-regex v0.4.0 [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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d1c8508c987b1e7fad9b53dcd388a7a11b7640b0ada9b626962a6af23ee63c5e [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" "d1c8508c987b1e7fad9b53dcd388a7a11b7640b0ada9b626962a6af23ee63c5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d1c8508c987b1e7fad9b53dcd388a7a11b7640b0ada9b626962a6af23ee63c5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1c8508c987b1e7fad9b53dcd388a7a11b7640b0ada9b626962a6af23ee63c5e", kill_on_drop: false }` [INFO] [stdout] d1c8508c987b1e7fad9b53dcd388a7a11b7640b0ada9b626962a6af23ee63c5e [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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3b3beb344110ba11af2ade7ee4cbf008f13938fbf456199abf36b9fde9eebd9a [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" "3b3beb344110ba11af2ade7ee4cbf008f13938fbf456199abf36b9fde9eebd9a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling syn v1.0.45 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking aho-corasick v0.7.14 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking regex v1.4.1 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking fancy-regex v0.4.0 [INFO] [stderr] Checking rust-crypto v0.2.36 [INFO] [stderr] Compiling strum_macros v0.19.4 [INFO] [stderr] Checking strum v0.19.5 [INFO] [stderr] Checking rust_2015 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `hp` [INFO] [stdout] --> src/bin/day21.rs:43:26 [INFO] [stdout] | [INFO] [stdout] 43 | Some(hp) => if cost < min_cost { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_hp` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` 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/bin/day21.rs:20:35 [INFO] [stdout] | [INFO] [stdout] 20 | let mut rings: Vec<_> = rings.into_iter().permutations(2).collect(); [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `part1` [INFO] [stdout] --> src/bin/day20.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn part1(target: u32) -> u32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `part1` [INFO] [stdout] --> src/bin/day20.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn part1(target: u32) -> u32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `hp` [INFO] [stdout] --> src/bin/day21.rs:43:26 [INFO] [stdout] | [INFO] [stdout] 43 | Some(hp) => if cost < min_cost { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_hp` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` 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/bin/day21.rs:20:35 [INFO] [stdout] | [INFO] [stdout] 20 | let mut rings: Vec<_> = rings.into_iter().permutations(2).collect(); [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 37.07s [INFO] running `Command { std: "docker" "inspect" "3b3beb344110ba11af2ade7ee4cbf008f13938fbf456199abf36b9fde9eebd9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b3beb344110ba11af2ade7ee4cbf008f13938fbf456199abf36b9fde9eebd9a", kill_on_drop: false }` [INFO] [stdout] 3b3beb344110ba11af2ade7ee4cbf008f13938fbf456199abf36b9fde9eebd9a