[INFO] cloning repository https://github.com/dineshKumar777/adventofcode_2015
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dineshKumar777/adventofcode_2015" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdineshKumar777%2Fadventofcode_2015", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdineshKumar777%2Fadventofcode_2015'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36c3598e74724b2c1c67be8875f3415cfd867a56
[INFO] building dineshKumar777/adventofcode_2015 against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdineshKumar777%2Fadventofcode_2015" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dineshKumar777/adventofcode_2015 on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dineshKumar777/adventofcode_2015
[INFO] finished tweaking git repo https://github.com/dineshKumar777/adventofcode_2015
[INFO] tweaked toml for git repo https://github.com/dineshKumar777/adventofcode_2015 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dineshKumar777/adventofcode_2015 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0bfea6e96408363520929f4101a7bbd2c7220fcd17f0523d6aafd662fe1abe6
[INFO] running `Command { std: "docker" "start" "-a" "d0bfea6e96408363520929f4101a7bbd2c7220fcd17f0523d6aafd662fe1abe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0bfea6e96408363520929f4101a7bbd2c7220fcd17f0523d6aafd662fe1abe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0bfea6e96408363520929f4101a7bbd2c7220fcd17f0523d6aafd662fe1abe6", kill_on_drop: false }`
[INFO] [stdout] d0bfea6e96408363520929f4101a7bbd2c7220fcd17f0523d6aafd662fe1abe6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b96f90552f54f756c85b22834b85404a82fe0e2413c4bef93ca4d7eea45e0132
[INFO] running `Command { std: "docker" "start" "-a" "b96f90552f54f756c85b22834b85404a82fe0e2413c4bef93ca4d7eea45e0132", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling os_str_bytes v6.3.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v3.2.20
[INFO] [stderr]    Compiling adventofcode_2015 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `is_pairof_two_letters` is never used
[INFO] [stdout]   --> src/day5/mod.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn is_pairof_two_letters(input: &Vec<char>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.98s
[INFO] running `Command { std: "docker" "inspect" "b96f90552f54f756c85b22834b85404a82fe0e2413c4bef93ca4d7eea45e0132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b96f90552f54f756c85b22834b85404a82fe0e2413c4bef93ca4d7eea45e0132", kill_on_drop: false }`
[INFO] [stdout] b96f90552f54f756c85b22834b85404a82fe0e2413c4bef93ca4d7eea45e0132
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 240cc897427fd8dcbd39e395cd95ec91800c40219822be5b7f8088d5cefd4acd
[INFO] running `Command { std: "docker" "start" "-a" "240cc897427fd8dcbd39e395cd95ec91800c40219822be5b7f8088d5cefd4acd", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]    Compiling adventofcode_2015 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `is_pairof_two_letters` is never used
[INFO] [stdout]   --> src/day5/mod.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn is_pairof_two_letters(input: &Vec<char>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "240cc897427fd8dcbd39e395cd95ec91800c40219822be5b7f8088d5cefd4acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "240cc897427fd8dcbd39e395cd95ec91800c40219822be5b7f8088d5cefd4acd", kill_on_drop: false }`
[INFO] [stdout] 240cc897427fd8dcbd39e395cd95ec91800c40219822be5b7f8088d5cefd4acd