[INFO] cloning repository https://github.com/marianoheller/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marianoheller/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarianoheller%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarianoheller%2Faoc2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] adc67e1d6de4952085cc33e23a5daf5cb564ed47
[INFO] checking marianoheller/aoc2020 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarianoheller%2Faoc2020" "/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/marianoheller/aoc2020 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/marianoheller/aoc2020
[INFO] finished tweaking git repo https://github.com/marianoheller/aoc2020
[INFO] tweaked toml for git repo https://github.com/marianoheller/aoc2020 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/marianoheller/aoc2020 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] 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] be267f19b5fc772245d7cbd0924e37d669d1f0f86b53f4360458d5900ff816c0
[INFO] running `Command { std: "docker" "start" "-a" "be267f19b5fc772245d7cbd0924e37d669d1f0f86b53f4360458d5900ff816c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be267f19b5fc772245d7cbd0924e37d669d1f0f86b53f4360458d5900ff816c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be267f19b5fc772245d7cbd0924e37d669d1f0f86b53f4360458d5900ff816c0", kill_on_drop: false }`
[INFO] [stdout] be267f19b5fc772245d7cbd0924e37d669d1f0f86b53f4360458d5900ff816c0
[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] 78d07515bb7a04bf578c73362ae520910b1fbcf7b99cf1aa29ea30d79a69f387
[INFO] running `Command { std: "docker" "start" "-a" "78d07515bb7a04bf578c73362ae520910b1fbcf7b99cf1aa29ea30d79a69f387", kill_on_drop: false }`
[INFO] [stderr]     Checking utils v0.1.0 (/opt/rustwide/workdir/src/utils)
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking day_20 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_20)
[INFO] [stderr]     Checking day_03 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_03)
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking day_12 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_12)
[INFO] [stderr]     Checking day_10 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_10)
[INFO] [stderr]     Checking day_09 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_09)
[INFO] [stderr]     Checking day_13 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_13)
[INFO] [stderr]     Checking day_08 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_08)
[INFO] [stderr]     Checking day_05 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_05)
[INFO] [stderr]     Checking day_11 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_11)
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking day_17 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_17)
[INFO] [stdout] warning: the item `read_lines` is imported redundantly
[INFO] [stdout]    --> src/puzzles/day_20/src/main.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |     use utils::read_lines;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 147 |
[INFO] [stdout] 148 |     use super::*;
[INFO] [stdout]     |         -------- the item `read_lines` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day_01 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_01)
[INFO] [stderr]     Checking day_06 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_06)
[INFO] [stderr]     Checking day_15 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_15)
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking day_16 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_16)
[INFO] [stderr]     Checking day_02 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_02)
[INFO] [stderr]     Checking day_14 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_14)
[INFO] [stderr]     Checking day_19 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_19)
[INFO] [stderr]     Checking day_07 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_07)
[INFO] [stderr]     Checking day_18 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_18)
[INFO] [stderr]     Checking day_04 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_04)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.54s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v6.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "78d07515bb7a04bf578c73362ae520910b1fbcf7b99cf1aa29ea30d79a69f387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78d07515bb7a04bf578c73362ae520910b1fbcf7b99cf1aa29ea30d79a69f387", kill_on_drop: false }`
[INFO] [stdout] 78d07515bb7a04bf578c73362ae520910b1fbcf7b99cf1aa29ea30d79a69f387
[INFO] checking marianoheller/aoc2020 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarianoheller%2Faoc2020" "/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/marianoheller/aoc2020 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/marianoheller/aoc2020
[INFO] finished tweaking git repo https://github.com/marianoheller/aoc2020
[INFO] tweaked toml for git repo https://github.com/marianoheller/aoc2020 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/marianoheller/aoc2020 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df725864f1879828304901416b507fab4f46be213d683e69c75618c3ae9ff9ad
[INFO] running `Command { std: "docker" "start" "-a" "df725864f1879828304901416b507fab4f46be213d683e69c75618c3ae9ff9ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df725864f1879828304901416b507fab4f46be213d683e69c75618c3ae9ff9ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df725864f1879828304901416b507fab4f46be213d683e69c75618c3ae9ff9ad", kill_on_drop: false }`
[INFO] [stdout] df725864f1879828304901416b507fab4f46be213d683e69c75618c3ae9ff9ad
[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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abba6a8395f0936b0f749dce570e767ebda671867a6471094e84de08e0ef4df4
[INFO] running `Command { std: "docker" "start" "-a" "abba6a8395f0936b0f749dce570e767ebda671867a6471094e84de08e0ef4df4", kill_on_drop: false }`
[INFO] [stderr]     Checking utils v0.1.0 (/opt/rustwide/workdir/src/utils)
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking day_13 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_13)
[INFO] [stderr]     Checking day_05 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_05)
[INFO] [stderr]     Checking day_06 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_06)
[INFO] [stderr]     Checking day_10 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_10)
[INFO] [stderr]     Checking day_11 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_11)
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking day_12 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_12)
[INFO] [stderr]     Checking day_17 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_17)
[INFO] [stderr]     Checking day_03 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_03)
[INFO] [stderr]     Checking day_08 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_08)
[INFO] [stderr]     Checking day_09 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_09)
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking day_20 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_20)
[INFO] [stdout] warning: the item `read_lines` is imported redundantly
[INFO] [stdout]    --> src/puzzles/day_20/src/main.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |     use utils::read_lines;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 147 |
[INFO] [stdout] 148 |     use super::*;
[INFO] [stdout]     |         -------- the item `read_lines` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day_01 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_01)
[INFO] [stderr]     Checking day_15 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_15)
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking day_16 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_16)
[INFO] [stderr]     Checking day_14 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_14)
[INFO] [stderr]     Checking day_19 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_19)
[INFO] [stderr]     Checking day_02 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_02)
[INFO] [stderr]     Checking day_07 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_07)
[INFO] [stderr]     Checking day_18 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_18)
[INFO] [stderr]     Checking day_04 v0.1.0 (/opt/rustwide/workdir/src/puzzles/day_04)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.22s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v6.1.2
[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" "abba6a8395f0936b0f749dce570e767ebda671867a6471094e84de08e0ef4df4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abba6a8395f0936b0f749dce570e767ebda671867a6471094e84de08e0ef4df4", kill_on_drop: false }`
[INFO] [stdout] abba6a8395f0936b0f749dce570e767ebda671867a6471094e84de08e0ef4df4