[INFO] cloning repository https://github.com/rdelfin/aoc_2023 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rdelfin/aoc_2023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frdelfin%2Faoc_2023", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frdelfin%2Faoc_2023'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7231ec02afa7b9506475ee69595021bfe4070121 [INFO] checking rdelfin/aoc_2023 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frdelfin%2Faoc_2023" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rdelfin/aoc_2023 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rdelfin/aoc_2023 [INFO] finished tweaking git repo https://github.com/rdelfin/aoc_2023 [INFO] tweaked toml for git repo https://github.com/rdelfin/aoc_2023 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/rdelfin/aoc_2023 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2a7cf31fc64566fb0e2d966e1e6bb5216aa9703f98734c589801a280ffa799d0 [INFO] running `Command { std: "docker" "start" "-a" "2a7cf31fc64566fb0e2d966e1e6bb5216aa9703f98734c589801a280ffa799d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2a7cf31fc64566fb0e2d966e1e6bb5216aa9703f98734c589801a280ffa799d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a7cf31fc64566fb0e2d966e1e6bb5216aa9703f98734c589801a280ffa799d0", kill_on_drop: false }` [INFO] [stdout] 2a7cf31fc64566fb0e2d966e1e6bb5216aa9703f98734c589801a280ffa799d0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7f5927ecd9622be5528c61c45ee708c7fd4954b1fabae8772c6431706fa2aab7 [INFO] running `Command { std: "docker" "start" "-a" "7f5927ecd9622be5528c61c45ee708c7fd4954b1fabae8772c6431706fa2aab7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking anstyle-query v1.0.0 [INFO] [stderr] Checking anstyle v1.0.4 [INFO] [stderr] Compiling eyre v0.6.9 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking object v0.32.1 [INFO] [stderr] Checking indenter v0.3.3 [INFO] [stderr] Checking owo-colors v3.5.0 [INFO] [stderr] Checking clap_lex v0.6.0 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Checking anstyle-parse v0.2.2 [INFO] [stderr] Checking anstream v0.6.4 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stderr] Checking clap_builder v4.4.9 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking tracing-error v0.2.0 [INFO] [stderr] Checking color-spantrace v0.2.1 [INFO] [stderr] Compiling backtrace v0.3.69 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Compiling clap_derive v4.4.7 [INFO] [stderr] Checking color-eyre v0.6.2 [INFO] [stderr] Checking thiserror v1.0.50 [INFO] [stderr] Checking clap v4.4.10 [INFO] [stderr] Checking aoc_2023 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/engine.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | iter::Iterator, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/engine.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | iter::Iterator, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/trie.rs:1:33 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::HashMap, iter::Iterator}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/trie.rs:1:33 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::HashMap, iter::Iterator}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.40s [INFO] running `Command { std: "docker" "inspect" "7f5927ecd9622be5528c61c45ee708c7fd4954b1fabae8772c6431706fa2aab7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f5927ecd9622be5528c61c45ee708c7fd4954b1fabae8772c6431706fa2aab7", kill_on_drop: false }` [INFO] [stdout] 7f5927ecd9622be5528c61c45ee708c7fd4954b1fabae8772c6431706fa2aab7 [INFO] checking rdelfin/aoc_2023 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frdelfin%2Faoc_2023" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rdelfin/aoc_2023 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rdelfin/aoc_2023 [INFO] finished tweaking git repo https://github.com/rdelfin/aoc_2023 [INFO] tweaked toml for git repo https://github.com/rdelfin/aoc_2023 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/rdelfin/aoc_2023 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a48602a52c2d71f8c0088bdc2990f7125572b315d9e977e4feac065472f3851b [INFO] running `Command { std: "docker" "start" "-a" "a48602a52c2d71f8c0088bdc2990f7125572b315d9e977e4feac065472f3851b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a48602a52c2d71f8c0088bdc2990f7125572b315d9e977e4feac065472f3851b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a48602a52c2d71f8c0088bdc2990f7125572b315d9e977e4feac065472f3851b", kill_on_drop: false }` [INFO] [stdout] a48602a52c2d71f8c0088bdc2990f7125572b315d9e977e4feac065472f3851b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 48e301cabbbd42c497ecbcaf4b16a132d5fd8983ae970bcc0bb230e8180561da [INFO] running `Command { std: "docker" "start" "-a" "48e301cabbbd42c497ecbcaf4b16a132d5fd8983ae970bcc0bb230e8180561da", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking anstyle-query v1.0.0 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Checking anstyle v1.0.4 [INFO] [stderr] Compiling eyre v0.6.9 [INFO] [stderr] Checking object v0.32.1 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking owo-colors v3.5.0 [INFO] [stderr] Checking indenter v0.3.3 [INFO] [stderr] Checking clap_lex v0.6.0 [INFO] [stderr] Checking anstyle-parse v0.2.2 [INFO] [stderr] Checking anstream v0.6.4 [INFO] [stderr] Checking clap_builder v4.4.9 [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking tracing-error v0.2.0 [INFO] [stderr] Checking color-spantrace v0.2.1 [INFO] [stderr] Compiling backtrace v0.3.69 [INFO] [stderr] Compiling clap_derive v4.4.7 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Checking color-eyre v0.6.2 [INFO] [stderr] Checking thiserror v1.0.50 [INFO] [stderr] Checking clap v4.4.10 [INFO] [stderr] Checking aoc_2023 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/engine.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | iter::Iterator, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/trie.rs:1:33 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::HashMap, iter::Iterator}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/engine.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | iter::Iterator, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/trie.rs:1:33 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::HashMap, iter::Iterator}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.53s [INFO] running `Command { std: "docker" "inspect" "48e301cabbbd42c497ecbcaf4b16a132d5fd8983ae970bcc0bb230e8180561da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48e301cabbbd42c497ecbcaf4b16a132d5fd8983ae970bcc0bb230e8180561da", kill_on_drop: false }` [INFO] [stdout] 48e301cabbbd42c497ecbcaf4b16a132d5fd8983ae970bcc0bb230e8180561da