[INFO] cloning repository https://github.com/daniel-goldstein/advent-of-code-2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daniel-goldstein/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-goldstein%2Fadvent-of-code-2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-goldstein%2Fadvent-of-code-2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 63121c61753505c63b1442b1f48e2e2ad16075a1 [INFO] building daniel-goldstein/advent-of-code-2020 against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-goldstein%2Fadvent-of-code-2020" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/daniel-goldstein/advent-of-code-2020 on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/daniel-goldstein/advent-of-code-2020 [INFO] finished tweaking git repo https://github.com/daniel-goldstein/advent-of-code-2020 [INFO] tweaked toml for git repo https://github.com/daniel-goldstein/advent-of-code-2020 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/daniel-goldstein/advent-of-code-2020 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 87f4ecb3169acd1da25de6005fb232e7abbfe505843eae99d4973c302e7e0f88 [INFO] running `Command { std: "docker" "start" "-a" "87f4ecb3169acd1da25de6005fb232e7abbfe505843eae99d4973c302e7e0f88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "87f4ecb3169acd1da25de6005fb232e7abbfe505843eae99d4973c302e7e0f88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87f4ecb3169acd1da25de6005fb232e7abbfe505843eae99d4973c302e7e0f88", kill_on_drop: false }` [INFO] [stdout] 87f4ecb3169acd1da25de6005fb232e7abbfe505843eae99d4973c302e7e0f88 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 627d1f34cc259fdbed5542fc45a63a7fed62356d6663f40c4509a013af4f9e91 [INFO] running `Command { std: "docker" "start" "-a" "627d1f34cc259fdbed5542fc45a63a7fed62356d6663f40c4509a013af4f9e91", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling regex-syntax v0.6.21 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling regex v1.4.2 [INFO] [stderr] Compiling advent-of-code-2020 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `memory` [INFO] [stdout] --> src/day14.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | let mut memory: HashMap = HashMap::new(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day14.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let mut memory: HashMap = HashMap::new(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `gcd` is never used [INFO] [stdout] --> src/utils.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn gcd(a: usize, b: usize) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `lcm` is never used [INFO] [stdout] --> src/utils.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn lcm(a: usize, b: usize) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `neighboring_seats` is never used [INFO] [stdout] --> src/day11.rs:48:4 [INFO] [stdout] | [INFO] [stdout] 48 | fn neighboring_seats(seat_chart: &Vec>, row: usize, col: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Program` is never used [INFO] [stdout] --> src/day14.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | type Program = Vec; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Mask` is never used [INFO] [stdout] --> src/day14.rs:7:6 [INFO] [stdout] | [INFO] [stdout] 7 | type Mask = Vec>; // Wear one! [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MaskProcedure` is never constructed [INFO] [stdout] --> src/day14.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | struct MaskProcedure { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_input` is never used [INFO] [stdout] --> src/day14.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn read_input() -> Program { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/day7.rs:48:22 [INFO] [stdout] | [INFO] [stdout] 48 | fn read_input(input: &str) -> BagGraph { [INFO] [stdout] | ^^^^ -------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 48 | fn read_input(input: &str) -> BagGraph<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.92s [INFO] running `Command { std: "docker" "inspect" "627d1f34cc259fdbed5542fc45a63a7fed62356d6663f40c4509a013af4f9e91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "627d1f34cc259fdbed5542fc45a63a7fed62356d6663f40c4509a013af4f9e91", kill_on_drop: false }` [INFO] [stdout] 627d1f34cc259fdbed5542fc45a63a7fed62356d6663f40c4509a013af4f9e91 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 54c12717e6a93d7237e6bedeafbed8efc04ef0b7592f07ffcdc76c0ff9b92e98 [INFO] running `Command { std: "docker" "start" "-a" "54c12717e6a93d7237e6bedeafbed8efc04ef0b7592f07ffcdc76c0ff9b92e98", kill_on_drop: false }` [INFO] [stdout] warning: unused variable: `memory` [INFO] [stdout] --> src/day14.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | let mut memory: HashMap = HashMap::new(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day14.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let mut memory: HashMap = HashMap::new(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `gcd` is never used [INFO] [stdout] --> src/utils.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn gcd(a: usize, b: usize) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `lcm` is never used [INFO] [stdout] --> src/utils.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn lcm(a: usize, b: usize) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `neighboring_seats` is never used [INFO] [stdout] --> src/day11.rs:48:4 [INFO] [stdout] | [INFO] [stdout] 48 | fn neighboring_seats(seat_chart: &Vec>, row: usize, col: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Program` is never used [INFO] [stdout] --> src/day14.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | type Program = Vec; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Mask` is never used [INFO] [stdout] --> src/day14.rs:7:6 [INFO] [stdout] | [INFO] [stdout] 7 | type Mask = Vec>; // Wear one! [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MaskProcedure` is never constructed [INFO] [stdout] --> src/day14.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | struct MaskProcedure { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_input` is never used [INFO] [stdout] --> src/day14.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn read_input() -> Program { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling advent-of-code-2020 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/day7.rs:48:22 [INFO] [stdout] | [INFO] [stdout] 48 | fn read_input(input: &str) -> BagGraph { [INFO] [stdout] | ^^^^ -------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 48 | fn read_input(input: &str) -> BagGraph<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `memory` [INFO] [stdout] --> src/day14.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | let mut memory: HashMap = HashMap::new(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day14.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let mut memory: HashMap = HashMap::new(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `gcd` is never used [INFO] [stdout] --> src/utils.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn gcd(a: usize, b: usize) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `lcm` is never used [INFO] [stdout] --> src/utils.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn lcm(a: usize, b: usize) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `neighboring_seats` is never used [INFO] [stdout] --> src/day11.rs:48:4 [INFO] [stdout] | [INFO] [stdout] 48 | fn neighboring_seats(seat_chart: &Vec>, row: usize, col: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Program` is never used [INFO] [stdout] --> src/day14.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | type Program = Vec; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Mask` is never used [INFO] [stdout] --> src/day14.rs:7:6 [INFO] [stdout] | [INFO] [stdout] 7 | type Mask = Vec>; // Wear one! [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MaskProcedure` is never constructed [INFO] [stdout] --> src/day14.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | struct MaskProcedure { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_input` is never used [INFO] [stdout] --> src/day14.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn read_input() -> Program { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/day7.rs:48:22 [INFO] [stdout] | [INFO] [stdout] 48 | fn read_input(input: &str) -> BagGraph { [INFO] [stdout] | ^^^^ -------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 48 | fn read_input(input: &str) -> BagGraph<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `Command { std: "docker" "inspect" "54c12717e6a93d7237e6bedeafbed8efc04ef0b7592f07ffcdc76c0ff9b92e98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54c12717e6a93d7237e6bedeafbed8efc04ef0b7592f07ffcdc76c0ff9b92e98", kill_on_drop: false }` [INFO] [stdout] 54c12717e6a93d7237e6bedeafbed8efc04ef0b7592f07ffcdc76c0ff9b92e98