[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 nightly-2024-02-05 for check-cfg-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIreneKnapp%2F2021-advent-of-code" "/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/IreneKnapp/2021-advent-of-code on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "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-3-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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_cmd v0.10.2
[INFO] [stderr]   Downloaded ena v0.14.0
[INFO] [stderr]   Downloaded smallvec v1.7.0
[INFO] [stderr]   Downloaded predicates-tree v1.0.4
[INFO] [stderr]   Downloaded termtree v0.2.3
[INFO] [stderr]   Downloaded predicates-core v1.0.2
[INFO] [stderr]   Downloaded string_cache v0.8.2
[INFO] [stderr]   Downloaded rustversion v1.0.5
[INFO] [stderr]   Downloaded escargot v0.3.1
[INFO] [stderr]   Downloaded quote v1.0.10
[INFO] [stderr]   Downloaded proc-macro2 v1.0.32
[INFO] [stderr]   Downloaded lalrpop v0.19.6
[INFO] [stderr]   Downloaded syn v1.0.82
[INFO] [stderr]   Downloaded petgraph v0.5.1
[INFO] [stderr]   Downloaded libc v0.2.108
[INFO] [stderr]   Downloaded serde_json v1.0.72
[INFO] [stderr]   Downloaded ryu v1.0.6
[INFO] [stderr]   Downloaded lalrpop-util v0.19.6
[INFO] [stderr]   Downloaded fixedbitset v0.2.0
[INFO] [stderr]   Downloaded pico-args v0.4.2
[INFO] [stderr]   Downloaded siphasher v0.3.7
[INFO] [stderr]   Downloaded predicates v1.0.8
[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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3218b4b08c74e70b3545965598fa774ec6c03a2869398adb02dddec936bd662c
[INFO] running `Command { std: "docker" "start" "-a" "3218b4b08c74e70b3545965598fa774ec6c03a2869398adb02dddec936bd662c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3218b4b08c74e70b3545965598fa774ec6c03a2869398adb02dddec936bd662c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3218b4b08c74e70b3545965598fa774ec6c03a2869398adb02dddec936bd662c", kill_on_drop: false }`
[INFO] [stdout] 3218b4b08c74e70b3545965598fa774ec6c03a2869398adb02dddec936bd662c
[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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4ae87accb011459f17437e3dd6385e8ed4c41434eaa9b2d393a688255cf0134
[INFO] running `Command { std: "docker" "start" "-a" "e4ae87accb011459f17437e3dd6385e8ed4c41434eaa9b2d393a688255cf0134", kill_on_drop: false }`
[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 itoa v0.4.8
[INFO] [stderr]     Checking lalrpop-util v0.19.6
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]     Checking advent_lib v0.1.0 (/opt/rustwide/workdir/lib)
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking termtree v0.2.3
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking predicates-tree v1.0.4
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[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 aho-corasick v0.7.18
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling string_cache v0.8.2
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling lalrpop v0.19.6
[INFO] [stderr]     Checking unicode-xid v0.2.2
[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] [stderr]     Checking advent_08 v0.1.0 (/opt/rustwide/workdir/08)
[INFO] [stderr]     Checking advent_05 v0.1.0 (/opt/rustwide/workdir/05)
[INFO] [stderr]     Checking advent_13 v0.1.0 (/opt/rustwide/workdir/13)
[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_17 v0.1.0 (/opt/rustwide/workdir/17)
[INFO] [stderr]     Checking advent_21 v0.1.0 (/opt/rustwide/workdir/21)
[INFO] [stderr]     Checking advent_15 v0.1.0 (/opt/rustwide/workdir/15)
[INFO] [stderr]     Checking advent_22 v0.1.0 (/opt/rustwide/workdir/22)
[INFO] [stderr]     Checking advent_12 v0.1.0 (/opt/rustwide/workdir/12)
[INFO] [stderr]     Checking advent_11 v0.1.0 (/opt/rustwide/workdir/11)
[INFO] [stderr]     Checking advent_16 v0.1.0 (/opt/rustwide/workdir/16)
[INFO] [stderr]     Checking advent_25 v0.1.0 (/opt/rustwide/workdir/25)
[INFO] [stderr]     Checking advent_02 v0.1.0 (/opt/rustwide/workdir/02)
[INFO] [stderr]     Checking advent_23 v0.1.0 (/opt/rustwide/workdir/23)
[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] [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<u8>,
[INFO] [stdout]   |   ^^^^^^^
[INFO] [stdout] 8 |   subpackets: Vec<Packet>,
[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]     Checking advent_03 v0.1.0 (/opt/rustwide/workdir/03)
[INFO] [stderr]     Checking advent_06 v0.1.0 (/opt/rustwide/workdir/06)
[INFO] [stderr]     Checking advent_10 v0.1.0 (/opt/rustwide/workdir/10)
[INFO] [stderr]     Checking advent_09 v0.1.0 (/opt/rustwide/workdir/09)
[INFO] [stderr]     Checking advent_20 v0.1.0 (/opt/rustwide/workdir/20)
[INFO] [stderr]     Checking advent_14 v0.1.0 (/opt/rustwide/workdir/14)
[INFO] [stderr]     Checking advent_07 v0.1.0 (/opt/rustwide/workdir/07)
[INFO] [stderr]     Checking assert_cmd v0.10.2
[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<u8>,
[INFO] [stdout]   |   ^^^^^^^
[INFO] [stdout] 8 |   subpackets: Vec<Packet>,
[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] [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]    Compiling advent_18 v0.1.0 (/opt/rustwide/workdir/18)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.22s
[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" "e4ae87accb011459f17437e3dd6385e8ed4c41434eaa9b2d393a688255cf0134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4ae87accb011459f17437e3dd6385e8ed4c41434eaa9b2d393a688255cf0134", kill_on_drop: false }`
[INFO] [stdout] e4ae87accb011459f17437e3dd6385e8ed4c41434eaa9b2d393a688255cf0134
[INFO] checking IreneKnapp/2021-advent-of-code against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIreneKnapp%2F2021-advent-of-code" "/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/IreneKnapp/2021-advent-of-code on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "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-3-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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15230589da12d78d9cf7a2ac1b3f2606348932722c0f21ef0371b721f88ee7ce
[INFO] running `Command { std: "docker" "start" "-a" "15230589da12d78d9cf7a2ac1b3f2606348932722c0f21ef0371b721f88ee7ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15230589da12d78d9cf7a2ac1b3f2606348932722c0f21ef0371b721f88ee7ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15230589da12d78d9cf7a2ac1b3f2606348932722c0f21ef0371b721f88ee7ce", kill_on_drop: false }`
[INFO] [stdout] 15230589da12d78d9cf7a2ac1b3f2606348932722c0f21ef0371b721f88ee7ce
[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 -Dunexpected_cfgs" "-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] 339559367e0a6f8659877e920c14c705ea7856cc9550d5d73cc946b255208571
[INFO] running `Command { std: "docker" "start" "-a" "339559367e0a6f8659877e920c14c705ea7856cc9550d5d73cc946b255208571", kill_on_drop: false }`
[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 itoa v0.4.8
[INFO] [stderr]     Checking lalrpop-util v0.19.6
[INFO] [stderr]     Checking advent_lib v0.1.0 (/opt/rustwide/workdir/lib)
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]     Checking termtree v0.2.3
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]     Checking predicates-tree v1.0.4
[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 log v0.4.14
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[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 quote v1.0.10
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[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 either v1.6.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling string_cache v0.8.2
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking unicode-xid v0.2.2
[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_20 v0.1.0 (/opt/rustwide/workdir/20)
[INFO] [stderr]     Checking advent_07 v0.1.0 (/opt/rustwide/workdir/07)
[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_11 v0.1.0 (/opt/rustwide/workdir/11)
[INFO] [stderr]     Checking advent_12 v0.1.0 (/opt/rustwide/workdir/12)
[INFO] [stderr]    Compiling lalrpop v0.19.6
[INFO] [stderr]     Checking advent_09 v0.1.0 (/opt/rustwide/workdir/09)
[INFO] [stderr]     Checking advent_23 v0.1.0 (/opt/rustwide/workdir/23)
[INFO] [stderr]     Checking advent_25 v0.1.0 (/opt/rustwide/workdir/25)
[INFO] [stderr]     Checking advent_21 v0.1.0 (/opt/rustwide/workdir/21)
[INFO] [stderr]     Checking advent_24 v0.1.0 (/opt/rustwide/workdir/24)
[INFO] [stderr]     Checking advent_01 v0.1.0 (/opt/rustwide/workdir/01)
[INFO] [stderr]     Checking advent_17 v0.1.0 (/opt/rustwide/workdir/17)
[INFO] [stderr]     Checking advent_10 v0.1.0 (/opt/rustwide/workdir/10)
[INFO] [stderr]     Checking advent_05 v0.1.0 (/opt/rustwide/workdir/05)
[INFO] [stderr]     Checking advent_04 v0.1.0 (/opt/rustwide/workdir/04)
[INFO] [stderr]     Checking advent_08 v0.1.0 (/opt/rustwide/workdir/08)
[INFO] [stderr]     Checking advent_16 v0.1.0 (/opt/rustwide/workdir/16)
[INFO] [stderr]     Checking advent_14 v0.1.0 (/opt/rustwide/workdir/14)
[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] [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<u8>,
[INFO] [stdout]   |   ^^^^^^^
[INFO] [stdout] 8 |   subpackets: Vec<Packet>,
[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]     Checking advent_15 v0.1.0 (/opt/rustwide/workdir/15)
[INFO] [stderr]     Checking advent_22 v0.1.0 (/opt/rustwide/workdir/22)
[INFO] [stderr]     Checking assert_cmd v0.10.2
[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<u8>,
[INFO] [stdout]   |   ^^^^^^^
[INFO] [stdout] 8 |   subpackets: Vec<Packet>,
[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] [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] error: unexpected `cfg` condition name: `rustfmt`
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/advent_18-af91bf26cf567391/out/expression.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `rustfmt`
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/advent_18-af91bf26cf567391/out/expression.rs:395:12
[INFO] [stdout]     |
[INFO] [stdout] 395 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `rustfmt`
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/advent_18-af91bf26cf567391/out/expression.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `rustfmt`
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/advent_18-af91bf26cf567391/out/expression.rs:395:12
[INFO] [stdout]     |
[INFO] [stdout] 395 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent_18` (bin "advent_18") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `advent_18` (bin "advent_18" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "339559367e0a6f8659877e920c14c705ea7856cc9550d5d73cc946b255208571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "339559367e0a6f8659877e920c14c705ea7856cc9550d5d73cc946b255208571", kill_on_drop: false }`
[INFO] [stdout] 339559367e0a6f8659877e920c14c705ea7856cc9550d5d73cc946b255208571
