[INFO] cloning repository https://github.com/Luke-Draper/rust_coding_challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Luke-Draper/rust_coding_challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuke-Draper%2Frust_coding_challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuke-Draper%2Frust_coding_challenges'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9427f8f60aec586083bc8d7bdcc5808b19abdc5
[INFO] testing Luke-Draper/rust_coding_challenges against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuke-Draper%2Frust_coding_challenges" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Luke-Draper/rust_coding_challenges on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Luke-Draper/rust_coding_challenges
[INFO] finished tweaking git repo https://github.com/Luke-Draper/rust_coding_challenges
[INFO] tweaked toml for git repo https://github.com/Luke-Draper/rust_coding_challenges written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/Luke-Draper/rust_coding_challenges already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b5a0c318f4bacaf747a59ae3da3e351da41a32b287de03ae80915e411470240
[INFO] running `Command { std: "docker" "start" "-a" "5b5a0c318f4bacaf747a59ae3da3e351da41a32b287de03ae80915e411470240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b5a0c318f4bacaf747a59ae3da3e351da41a32b287de03ae80915e411470240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b5a0c318f4bacaf747a59ae3da3e351da41a32b287de03ae80915e411470240", kill_on_drop: false }`
[INFO] [stdout] 5b5a0c318f4bacaf747a59ae3da3e351da41a32b287de03ae80915e411470240
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4571e81b27493ebfc4a3837c83d7c70648acb463cb7ce57cdeb251ed89310ba6
[INFO] running `Command { std: "docker" "start" "-a" "4571e81b27493ebfc4a3837c83d7c70648acb463cb7ce57cdeb251ed89310ba6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_coding_challenges v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/daily_challenge_1.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 |             'inner: for j in (i + 1)..l.len() {
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "4571e81b27493ebfc4a3837c83d7c70648acb463cb7ce57cdeb251ed89310ba6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4571e81b27493ebfc4a3837c83d7c70648acb463cb7ce57cdeb251ed89310ba6", kill_on_drop: false }`
[INFO] [stdout] 4571e81b27493ebfc4a3837c83d7c70648acb463cb7ce57cdeb251ed89310ba6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aca614ab98b0623565ea51d637393ab0d44bfabb6fcd01a91ebb08b58d7fd607
[INFO] running `Command { std: "docker" "start" "-a" "aca614ab98b0623565ea51d637393ab0d44bfabb6fcd01a91ebb08b58d7fd607", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_coding_challenges v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/daily_challenge_1.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 |             'inner: for j in (i + 1)..l.len() {
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "aca614ab98b0623565ea51d637393ab0d44bfabb6fcd01a91ebb08b58d7fd607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aca614ab98b0623565ea51d637393ab0d44bfabb6fcd01a91ebb08b58d7fd607", kill_on_drop: false }`
[INFO] [stdout] aca614ab98b0623565ea51d637393ab0d44bfabb6fcd01a91ebb08b58d7fd607
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 43693b60706329fc88b50d97d62827dcc3ec0b1c4184e2cf4844fbdb18dcb87f
[INFO] running `Command { std: "docker" "start" "-a" "43693b60706329fc88b50d97d62827dcc3ec0b1c4184e2cf4844fbdb18dcb87f", kill_on_drop: false }`
[INFO] [stderr] warning: unused label
[INFO] [stderr]   --> src/daily_challenge_1.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 |             'inner: for j in (i + 1)..l.len() {
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_coding_challenges` (bin "rust_coding_challenges" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_coding_challenges-0fd16d30758a36c2)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test challenge_example::coding_challenge_test ... ok
[INFO] [stdout] test daily_challenge_1::coding_challenge_hash_test_1 ... ok
[INFO] [stdout] test daily_challenge_1::coding_challenge_hash_test_2 ... ok
[INFO] [stdout] test daily_challenge_1::coding_challenge_hash_test_3 ... ok
[INFO] [stdout] test daily_challenge_1::coding_challenge_hash_test_4 ... ok
[INFO] [stdout] test daily_challenge_1::coding_challenge_hash_test_5 ... ok
[INFO] [stdout] test daily_challenge_1::coding_challenge_test_1 ... ok
[INFO] [stdout] test daily_challenge_1::coding_challenge_test_2 ... ok
[INFO] [stdout] test daily_challenge_1::coding_challenge_test_3 ... ok
[INFO] [stdout] test daily_challenge_1::coding_challenge_test_4 ... ok
[INFO] [stdout] test daily_challenge_1::coding_challenge_test_5 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "43693b60706329fc88b50d97d62827dcc3ec0b1c4184e2cf4844fbdb18dcb87f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43693b60706329fc88b50d97d62827dcc3ec0b1c4184e2cf4844fbdb18dcb87f", kill_on_drop: false }`
[INFO] [stdout] 43693b60706329fc88b50d97d62827dcc3ec0b1c4184e2cf4844fbdb18dcb87f