[INFO] cloning repository https://github.com/pbar1/aoc2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pbar1/aoc2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpbar1%2Faoc2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpbar1%2Faoc2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e12c7f1e7c68ea60c74a5cd0e3446cbf5a8f3d52
[INFO] testing pbar1/aoc2021 against master#67da586efe13aa66eef576ba095e1875ba65fd20 for pr-112849
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpbar1%2Faoc2021" "/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/pbar1/aoc2021 on toolchain 67da586efe13aa66eef576ba095e1875ba65fd20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pbar1/aoc2021
[INFO] finished tweaking git repo https://github.com/pbar1/aoc2021
[INFO] tweaked toml for git repo https://github.com/pbar1/aoc2021 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pbar1/aoc2021 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" "+67da586efe13aa66eef576ba095e1875ba65fd20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stopwatch v0.0.7
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50e906748ad6fe4fcc53f618f876133ad5b2da288104ca62aed84c2b7415a170
[INFO] running `Command { std: "docker" "start" "-a" "50e906748ad6fe4fcc53f618f876133ad5b2da288104ca62aed84c2b7415a170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50e906748ad6fe4fcc53f618f876133ad5b2da288104ca62aed84c2b7415a170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50e906748ad6fe4fcc53f618f876133ad5b2da288104ca62aed84c2b7415a170", kill_on_drop: false }`
[INFO] [stdout] 50e906748ad6fe4fcc53f618f876133ad5b2da288104ca62aed84c2b7415a170
[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=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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bc347f1d2fe791bf332dca38285b379adc78d2a5153579ccffbec1993d9a1af
[INFO] running `Command { std: "docker" "start" "-a" "0bc347f1d2fe791bf332dca38285b379adc78d2a5153579ccffbec1993d9a1af", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling stopwatch v0.0.7
[INFO] [stderr]    Compiling aoc2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&str` instead of dereferencing the inner type
[INFO] [stdout]   --> src/day2.rs:11:37
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let command = split.index(0).deref();
[INFO] [stdout]    |                                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&str` instead of dereferencing the inner type
[INFO] [stdout]   --> src/day2.rs:36:37
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let command = split.index(0).deref();
[INFO] [stdout]    |                                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.16s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "0bc347f1d2fe791bf332dca38285b379adc78d2a5153579ccffbec1993d9a1af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bc347f1d2fe791bf332dca38285b379adc78d2a5153579ccffbec1993d9a1af", kill_on_drop: false }`
[INFO] [stdout] 0bc347f1d2fe791bf332dca38285b379adc78d2a5153579ccffbec1993d9a1af
[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=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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8430918962b1999fd8afa199b2dacc9f8b7adeb4dd3982071ac4490440d22191
[INFO] running `Command { std: "docker" "start" "-a" "8430918962b1999fd8afa199b2dacc9f8b7adeb4dd3982071ac4490440d22191", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&str` instead of dereferencing the inner type
[INFO] [stdout]   --> src/day2.rs:11:37
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let command = split.index(0).deref();
[INFO] [stdout]    |                                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&str` instead of dereferencing the inner type
[INFO] [stdout]   --> src/day2.rs:36:37
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let command = split.index(0).deref();
[INFO] [stdout]    |                                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "8430918962b1999fd8afa199b2dacc9f8b7adeb4dd3982071ac4490440d22191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8430918962b1999fd8afa199b2dacc9f8b7adeb4dd3982071ac4490440d22191", kill_on_drop: false }`
[INFO] [stdout] 8430918962b1999fd8afa199b2dacc9f8b7adeb4dd3982071ac4490440d22191
[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=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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 461263615c444958cbef7c5247765c11701b7c0af30a619091a7a6a6e7040ecf
[INFO] running `Command { std: "docker" "start" "-a" "461263615c444958cbef7c5247765c11701b7c0af30a619091a7a6a6e7040ecf", kill_on_drop: false }`
[INFO] [stderr] warning: using `.deref()` on a double reference, which returns `&str` instead of dereferencing the inner type
[INFO] [stderr]   --> src/day2.rs:11:37
[INFO] [stderr]    |
[INFO] [stderr] 11 |         let command = split.index(0).deref();
[INFO] [stderr]    |                                     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: using `.deref()` on a double reference, which returns `&str` instead of dereferencing the inner type
[INFO] [stderr]   --> src/day2.rs:36:37
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let command = split.index(0).deref();
[INFO] [stderr]    |                                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `aoc2021` (bin "aoc2021" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/aoc2021-8bb3cca2c3095285)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "461263615c444958cbef7c5247765c11701b7c0af30a619091a7a6a6e7040ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "461263615c444958cbef7c5247765c11701b7c0af30a619091a7a6a6e7040ecf", kill_on_drop: false }`
[INFO] [stdout] 461263615c444958cbef7c5247765c11701b7c0af30a619091a7a6a6e7040ecf