[INFO] cloning repository https://github.com/IreneKnapp/2021-advent-of-code [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IreneKnapp/2021-advent-of-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIreneKnapp%2F2021-advent-of-code", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIreneKnapp%2F2021-advent-of-code'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8d63b78e7031ea442404c0cb4ecf0e5c93972eeb [INFO] checking IreneKnapp/2021-advent-of-code against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIreneKnapp%2F2021-advent-of-code" "/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/IreneKnapp/2021-advent-of-code 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/IreneKnapp/2021-advent-of-code [INFO] finished tweaking git repo https://github.com/IreneKnapp/2021-advent-of-code [INFO] tweaked toml for git repo https://github.com/IreneKnapp/2021-advent-of-code written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/IreneKnapp/2021-advent-of-code 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] Downloading crates ... [INFO] [stderr] Downloaded escargot v0.3.1 [INFO] [stderr] Downloaded assert_cmd v0.10.2 [INFO] [stderr] Downloaded ryu v1.0.6 [INFO] [stderr] Downloaded serde_json v1.0.72 [INFO] [stderr] Downloaded libc v0.2.108 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eef1e225126fceb4677f8afb21304ea2e78fcd66789293a993c1d7538d7bc824 [INFO] running `Command { std: "docker" "start" "-a" "eef1e225126fceb4677f8afb21304ea2e78fcd66789293a993c1d7538d7bc824", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eef1e225126fceb4677f8afb21304ea2e78fcd66789293a993c1d7538d7bc824", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eef1e225126fceb4677f8afb21304ea2e78fcd66789293a993c1d7538d7bc824", kill_on_drop: false }` [INFO] [stdout] eef1e225126fceb4677f8afb21304ea2e78fcd66789293a993c1d7538d7bc824 [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=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] 7351f529b0c25bf40642705f7c2594c36b4b9f48a071a9a224802569812ea367 [INFO] running `Command { std: "docker" "start" "-a" "7351f529b0c25bf40642705f7c2594c36b4b9f48a071a9a224802569812ea367", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling ryu v1.0.6 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling serde_json v1.0.72 [INFO] [stderr] Checking predicates-core v1.0.2 [INFO] [stderr] Compiling escargot v0.3.1 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking termtree v0.2.3 [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Checking predicates v1.0.8 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Checking predicates-tree v1.0.4 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling instant v0.1.12 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling smallvec v1.7.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling lock_api v0.4.5 [INFO] [stderr] Compiling siphasher v0.3.7 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Compiling fixedbitset v0.2.0 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling itertools v0.10.1 [INFO] [stderr] Compiling string_cache v0.8.2 [INFO] [stderr] Compiling ascii-canvas v3.0.0 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling petgraph v0.5.1 [INFO] [stderr] Checking lalrpop-util v0.19.6 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling ena v0.14.0 [INFO] [stderr] Checking advent_lib v0.1.0 (/opt/rustwide/workdir/lib) [INFO] [stderr] Compiling pico-args v0.4.2 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Checking unicode-xid v0.2.2 [INFO] [stderr] Checking advent_12 v0.1.0 (/opt/rustwide/workdir/12) [INFO] [stderr] Checking advent_09 v0.1.0 (/opt/rustwide/workdir/09) [INFO] [stderr] Checking advent_14 v0.1.0 (/opt/rustwide/workdir/14) [INFO] [stderr] Checking advent_17 v0.1.0 (/opt/rustwide/workdir/17) [INFO] [stderr] Checking advent_05 v0.1.0 (/opt/rustwide/workdir/05) [INFO] [stderr] Checking advent_08 v0.1.0 (/opt/rustwide/workdir/08) [INFO] [stderr] Checking advent_24 v0.1.0 (/opt/rustwide/workdir/24) [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&char` instead of cloning the inner type [INFO] [stdout] --> 08/src/main.rs:185:60 [INFO] [stdout] | [INFO] [stdout] 185 | let encoded_e: char = *encoded_e.iter().next().unwrap().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking advent_07 v0.1.0 (/opt/rustwide/workdir/07) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking advent_02 v0.1.0 (/opt/rustwide/workdir/02) [INFO] [stderr] Checking advent_19 v0.1.0 (/opt/rustwide/workdir/19) [INFO] [stderr] Checking advent_06 v0.1.0 (/opt/rustwide/workdir/06) [INFO] [stderr] Checking advent_25 v0.1.0 (/opt/rustwide/workdir/25) [INFO] [stderr] Checking advent_11 v0.1.0 (/opt/rustwide/workdir/11) [INFO] [stderr] Checking advent_20 v0.1.0 (/opt/rustwide/workdir/20) [INFO] [stderr] Checking advent_13 v0.1.0 (/opt/rustwide/workdir/13) [INFO] [stderr] Checking advent_22 v0.1.0 (/opt/rustwide/workdir/22) [INFO] [stderr] Checking advent_16 v0.1.0 (/opt/rustwide/workdir/16) [INFO] [stderr] Checking advent_03 v0.1.0 (/opt/rustwide/workdir/03) [INFO] [stdout] warning: fields `version`, `type_id`, `content`, and `subpackets` are never read [INFO] [stdout] --> 16/src/main.rs:5:3 [INFO] [stdout] | [INFO] [stdout] 4 | struct Packet { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 5 | version: u8, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 6 | type_id: u8, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 7 | content: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 8 | subpackets: Vec, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Packet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking advent_23 v0.1.0 (/opt/rustwide/workdir/23) [INFO] [stderr] Checking advent_04 v0.1.0 (/opt/rustwide/workdir/04) [INFO] [stderr] Checking advent_01 v0.1.0 (/opt/rustwide/workdir/01) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking advent_15 v0.1.0 (/opt/rustwide/workdir/15) [INFO] [stderr] Checking advent_10 v0.1.0 (/opt/rustwide/workdir/10) [INFO] [stderr] Checking advent_21 v0.1.0 (/opt/rustwide/workdir/21) [INFO] [stderr] Compiling lalrpop v0.19.6 [INFO] [stderr] Checking assert_cmd v0.10.2 [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&char` instead of cloning the inner type [INFO] [stdout] --> 08/src/main.rs:185:60 [INFO] [stdout] | [INFO] [stdout] 185 | let encoded_e: char = *encoded_e.iter().next().unwrap().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `version`, `type_id`, `content`, and `subpackets` are never read [INFO] [stdout] --> 16/src/main.rs:5:3 [INFO] [stdout] | [INFO] [stdout] 4 | struct Packet { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 5 | version: u8, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 6 | type_id: u8, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 7 | content: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 8 | subpackets: Vec, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Packet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling advent_18 v0.1.0 (/opt/rustwide/workdir/18) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 01s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.6 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "7351f529b0c25bf40642705f7c2594c36b4b9f48a071a9a224802569812ea367", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7351f529b0c25bf40642705f7c2594c36b4b9f48a071a9a224802569812ea367", kill_on_drop: false }` [INFO] [stdout] 7351f529b0c25bf40642705f7c2594c36b4b9f48a071a9a224802569812ea367 [INFO] checking IreneKnapp/2021-advent-of-code against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIreneKnapp%2F2021-advent-of-code" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/IreneKnapp/2021-advent-of-code 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/IreneKnapp/2021-advent-of-code [INFO] finished tweaking git repo https://github.com/IreneKnapp/2021-advent-of-code [INFO] tweaked toml for git repo https://github.com/IreneKnapp/2021-advent-of-code written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/IreneKnapp/2021-advent-of-code 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7db6a80128ca30d12b18ee327b41f9baefc1d8aeea06a4eab19dc4f2f02bb64d [INFO] running `Command { std: "docker" "start" "-a" "7db6a80128ca30d12b18ee327b41f9baefc1d8aeea06a4eab19dc4f2f02bb64d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7db6a80128ca30d12b18ee327b41f9baefc1d8aeea06a4eab19dc4f2f02bb64d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7db6a80128ca30d12b18ee327b41f9baefc1d8aeea06a4eab19dc4f2f02bb64d", kill_on_drop: false }` [INFO] [stdout] 7db6a80128ca30d12b18ee327b41f9baefc1d8aeea06a4eab19dc4f2f02bb64d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2494092a4fec2207df3174e9da026e0742803f4c8754e4447ebdf8b459807cdd [INFO] running `Command { std: "docker" "start" "-a" "2494092a4fec2207df3174e9da026e0742803f4c8754e4447ebdf8b459807cdd", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling ryu v1.0.6 [INFO] [stderr] Compiling serde_json v1.0.72 [INFO] [stderr] Checking predicates-core v1.0.2 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Compiling escargot v0.3.1 [INFO] [stderr] Checking termtree v0.2.3 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking predicates-tree v1.0.4 [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Checking predicates v1.0.8 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling instant v0.1.12 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling smallvec v1.7.0 [INFO] [stderr] Compiling lock_api v0.4.5 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling siphasher v0.3.7 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling fixedbitset v0.2.0 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling string_cache v0.8.2 [INFO] [stderr] Compiling petgraph v0.5.1 [INFO] [stderr] Compiling ascii-canvas v3.0.0 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling itertools v0.10.1 [INFO] [stderr] Compiling ena v0.14.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Checking lalrpop-util v0.19.6 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling pico-args v0.4.2 [INFO] [stderr] Checking advent_lib v0.1.0 (/opt/rustwide/workdir/lib) [INFO] [stderr] Checking unicode-xid v0.2.2 [INFO] [stderr] Checking advent_08 v0.1.0 (/opt/rustwide/workdir/08) [INFO] [stderr] Checking advent_21 v0.1.0 (/opt/rustwide/workdir/21) [INFO] [stderr] Checking advent_05 v0.1.0 (/opt/rustwide/workdir/05) [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&char` instead of cloning the inner type [INFO] [stdout] --> 08/src/main.rs:185:60 [INFO] [stdout] | [INFO] [stdout] 185 | let encoded_e: char = *encoded_e.iter().next().unwrap().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking advent_13 v0.1.0 (/opt/rustwide/workdir/13) [INFO] [stderr] Checking advent_12 v0.1.0 (/opt/rustwide/workdir/12) [INFO] [stderr] Checking advent_15 v0.1.0 (/opt/rustwide/workdir/15) [INFO] [stderr] Checking advent_01 v0.1.0 (/opt/rustwide/workdir/01) [INFO] [stderr] Checking advent_11 v0.1.0 (/opt/rustwide/workdir/11) [INFO] [stderr] Checking advent_10 v0.1.0 (/opt/rustwide/workdir/10) [INFO] [stderr] Checking advent_06 v0.1.0 (/opt/rustwide/workdir/06) [INFO] [stderr] Checking advent_14 v0.1.0 (/opt/rustwide/workdir/14) [INFO] [stderr] Checking advent_22 v0.1.0 (/opt/rustwide/workdir/22) [INFO] [stderr] Checking advent_20 v0.1.0 (/opt/rustwide/workdir/20) [INFO] [stderr] Checking advent_23 v0.1.0 (/opt/rustwide/workdir/23) [INFO] [stderr] Checking advent_03 v0.1.0 (/opt/rustwide/workdir/03) [INFO] [stderr] Checking advent_02 v0.1.0 (/opt/rustwide/workdir/02) [INFO] [stderr] Checking advent_04 v0.1.0 (/opt/rustwide/workdir/04) [INFO] [stderr] Checking advent_17 v0.1.0 (/opt/rustwide/workdir/17) [INFO] [stderr] Checking advent_25 v0.1.0 (/opt/rustwide/workdir/25) [INFO] [stderr] Checking advent_07 v0.1.0 (/opt/rustwide/workdir/07) [INFO] [stderr] Checking advent_09 v0.1.0 (/opt/rustwide/workdir/09) [INFO] [stderr] Checking advent_19 v0.1.0 (/opt/rustwide/workdir/19) [INFO] [stderr] Checking advent_24 v0.1.0 (/opt/rustwide/workdir/24) [INFO] [stderr] Checking advent_16 v0.1.0 (/opt/rustwide/workdir/16) [INFO] [stdout] warning: fields `version`, `type_id`, `content`, and `subpackets` are never read [INFO] [stdout] --> 16/src/main.rs:5:3 [INFO] [stdout] | [INFO] [stdout] 4 | struct Packet { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 5 | version: u8, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 6 | type_id: u8, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 7 | content: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 8 | subpackets: Vec, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Packet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling lalrpop v0.19.6 [INFO] [stderr] Checking assert_cmd v0.10.2 [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&char` instead of cloning the inner type [INFO] [stdout] --> 08/src/main.rs:185:60 [INFO] [stdout] | [INFO] [stdout] 185 | let encoded_e: char = *encoded_e.iter().next().unwrap().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `version`, `type_id`, `content`, and `subpackets` are never read [INFO] [stdout] --> 16/src/main.rs:5:3 [INFO] [stdout] | [INFO] [stdout] 4 | struct Packet { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 5 | version: u8, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 6 | type_id: u8, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 7 | content: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 8 | subpackets: Vec, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Packet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling advent_18 v0.1.0 (/opt/rustwide/workdir/18) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 56.32s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.6 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "2494092a4fec2207df3174e9da026e0742803f4c8754e4447ebdf8b459807cdd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2494092a4fec2207df3174e9da026e0742803f4c8754e4447ebdf8b459807cdd", kill_on_drop: false }` [INFO] [stdout] 2494092a4fec2207df3174e9da026e0742803f4c8754e4447ebdf8b459807cdd