[INFO] cloning repository https://github.com/ns476/aoc2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ns476/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fns476%2Faoc2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fns476%2Faoc2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b77391246e37bf3950e4f7a4ebb6562b27348d85 [INFO] checking ns476/aoc2020 against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fns476%2Faoc2020" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ns476/aoc2020 on toolchain 81275a1445c7502a974118e0c69b795ab60be991 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ns476/aoc2020 [INFO] finished tweaking git repo https://github.com/ns476/aoc2020 [INFO] tweaked toml for git repo https://github.com/ns476/aoc2020 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/ns476/aoc2020 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded memchr v2.3.4 [INFO] [stderr] Downloaded autocfg v1.0.1 [INFO] [stderr] Downloaded pin-project-internal v1.0.2 [INFO] [stderr] Downloaded unicode-xid v0.2.1 [INFO] [stderr] Downloaded aho-corasick v0.7.15 [INFO] [stderr] Downloaded hashbrown v0.9.1 [INFO] [stderr] Downloaded strsim v0.10.0 [INFO] [stderr] Downloaded darling v0.10.3 [INFO] [stderr] Downloaded darling_core v0.10.3 [INFO] [stderr] Downloaded event-listener v2.5.1 [INFO] [stderr] Downloaded async-trait v0.1.42 [INFO] [stderr] Downloaded darling_macro v0.10.3 [INFO] [stderr] Downloaded syn v1.0.54 [INFO] [stderr] Downloaded counter v0.5.2 [INFO] [stderr] Downloaded async-mutex v1.4.0 [INFO] [stderr] Downloaded futures-executor v0.3.8 [INFO] [stderr] Downloaded cached v0.22.0 [INFO] [stderr] Downloaded futures-util v0.3.8 [INFO] [stderr] Downloaded futures v0.3.8 [INFO] [stderr] Downloaded regex v1.4.2 [INFO] [stderr] Downloaded futures-io v0.3.8 [INFO] [stderr] Downloaded futures-macro v0.3.8 [INFO] [stderr] Downloaded futures-sink v0.3.8 [INFO] [stderr] Downloaded proc-macro2 v1.0.24 [INFO] [stderr] Downloaded quote v1.0.7 [INFO] [stderr] Downloaded ident_case v1.0.1 [INFO] [stderr] Downloaded num-traits v0.2.14 [INFO] [stderr] Downloaded pin-utils v0.1.0 [INFO] [stderr] Downloaded proc-macro-hack v0.5.19 [INFO] [stderr] Downloaded proc-macro-nested v0.1.6 [INFO] [stderr] Downloaded lazy_static v1.4.0 [INFO] [stderr] Downloaded thread_local v1.0.1 [INFO] [stderr] Downloaded fnv v1.0.7 [INFO] [stderr] Downloaded futures-channel v0.3.8 [INFO] [stderr] Downloaded futures-core v0.3.8 [INFO] [stderr] Downloaded cached_proc_macro v0.6.0 [INFO] [stderr] Downloaded cached_proc_macro_types v0.1.0 [INFO] [stderr] Downloaded futures-task v0.3.8 [INFO] [stderr] Downloaded regex-syntax v0.6.21 [INFO] [stderr] Downloaded petgraph v0.5.1 [INFO] [stderr] Downloaded pin-project v1.0.2 [INFO] [stderr] Downloaded slab v0.4.2 [INFO] [stderr] Downloaded once_cell v1.5.2 [INFO] [stderr] Downloaded fixedbitset v0.2.0 [INFO] [stderr] Downloaded indexmap v1.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c658c6451939f91dbdfbb69ee43cd9d820a93e98160d879111278bdb8c49f0ba [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" "c658c6451939f91dbdfbb69ee43cd9d820a93e98160d879111278bdb8c49f0ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c658c6451939f91dbdfbb69ee43cd9d820a93e98160d879111278bdb8c49f0ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c658c6451939f91dbdfbb69ee43cd9d820a93e98160d879111278bdb8c49f0ba", kill_on_drop: false }` [INFO] [stdout] c658c6451939f91dbdfbb69ee43cd9d820a93e98160d879111278bdb8c49f0ba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b31fbe3afd4c8847682d3270f21373bf5b046e21e545f111ebaa794fa84d41a1 [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" "b31fbe3afd4c8847682d3270f21373bf5b046e21e545f111ebaa794fa84d41a1", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Checking futures-sink v0.3.8 [INFO] [stderr] Compiling event-listener v2.5.1 [INFO] [stderr] Compiling cached_proc_macro_types v0.1.0 [INFO] [stderr] Checking fixedbitset v0.2.0 [INFO] [stderr] Checking futures-task v0.3.8 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking async-mutex v1.4.0 [INFO] [stderr] Checking futures-channel v0.3.8 [INFO] [stderr] Checking petgraph v0.5.1 [INFO] [stderr] Checking counter v0.5.2 [INFO] [stderr] Compiling darling_core v0.10.3 [INFO] [stderr] Compiling pin-project-internal v1.0.2 [INFO] [stderr] Compiling futures-macro v0.3.8 [INFO] [stderr] Compiling async-trait v0.1.42 [INFO] [stderr] Compiling darling_macro v0.10.3 [INFO] [stderr] Compiling darling v0.10.3 [INFO] [stderr] Compiling cached_proc_macro v0.6.0 [INFO] [stderr] Checking pin-project v1.0.2 [INFO] [stderr] Checking futures-util v0.3.8 [INFO] [stderr] Checking futures-executor v0.3.8 [INFO] [stderr] Checking futures v0.3.8 [INFO] [stderr] Checking cached v0.22.0 [INFO] [stderr] Checking aoc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `petgraph::dot::Dot` [INFO] [stdout] --> src/eightplus/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use petgraph::dot::Dot; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `petgraph::graph::NodeIndex` [INFO] [stdout] --> src/eightplus/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use petgraph::graph::NodeIndex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `petgraph::prelude::DiGraph` [INFO] [stdout] --> src/eightplus/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use petgraph::prelude::DiGraph; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/eightplus/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::convert::TryFrom` [INFO] [stdout] --> src/eightplus/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `containing_graph` [INFO] [stdout] --> src/seven/main.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | containing_graph: DiGraph, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/sevenplus/main.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `petgraph::dot::Dot` [INFO] [stdout] --> src/sevenplus/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use petgraph::dot::Dot; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashSet` [INFO] [stdout] --> src/sevenplus/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/sevenplus/main.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `petgraph::dot::Dot` [INFO] [stdout] --> src/sevenplus/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use petgraph::dot::Dot; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashSet` [INFO] [stdout] --> src/sevenplus/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `petgraph::dot::Dot` [INFO] [stdout] --> src/eight/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use petgraph::dot::Dot; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `petgraph::graph::NodeIndex` [INFO] [stdout] --> src/eight/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use petgraph::graph::NodeIndex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `petgraph::prelude::DiGraph` [INFO] [stdout] --> src/eight/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use petgraph::prelude::DiGraph; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/eight/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::convert::TryFrom` [INFO] [stdout] --> src/eight/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `contained_by_graph` [INFO] [stdout] --> src/sevenplus/main.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | contained_by_graph: DiGraph, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `contained_by_graph` [INFO] [stdout] --> src/sevenplus/main.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | contained_by_graph: DiGraph, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `petgraph::dot::Dot` [INFO] [stdout] --> src/eightplus/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use petgraph::dot::Dot; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `petgraph::graph::NodeIndex` [INFO] [stdout] --> src/eightplus/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use petgraph::graph::NodeIndex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `petgraph::prelude::DiGraph` [INFO] [stdout] --> src/eightplus/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use petgraph::prelude::DiGraph; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/eightplus/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::convert::TryFrom` [INFO] [stdout] --> src/eightplus/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `containing_graph` [INFO] [stdout] --> src/seven/main.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | containing_graph: DiGraph, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `petgraph::dot::Dot` [INFO] [stdout] --> src/eight/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use petgraph::dot::Dot; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `petgraph::graph::NodeIndex` [INFO] [stdout] --> src/eight/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use petgraph::graph::NodeIndex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `petgraph::prelude::DiGraph` [INFO] [stdout] --> src/eight/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use petgraph::prelude::DiGraph; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/eight/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::convert::TryFrom` [INFO] [stdout] --> src/eight/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 02s [INFO] running `Command { std: "docker" "inspect" "b31fbe3afd4c8847682d3270f21373bf5b046e21e545f111ebaa794fa84d41a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b31fbe3afd4c8847682d3270f21373bf5b046e21e545f111ebaa794fa84d41a1", kill_on_drop: false }` [INFO] [stdout] b31fbe3afd4c8847682d3270f21373bf5b046e21e545f111ebaa794fa84d41a1