[INFO] cloning repository https://github.com/ryands17/algorithms-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryands17/algorithms-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryands17%2Falgorithms-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryands17%2Falgorithms-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80f6e2a25314fc79edab0a2237ea01853137f6f2
[INFO] testing ryands17/algorithms-rust against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryands17%2Falgorithms-rust" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ryands17/algorithms-rust on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ryands17/algorithms-rust
[INFO] finished tweaking git repo https://github.com/ryands17/algorithms-rust
[INFO] tweaked toml for git repo https://github.com/ryands17/algorithms-rust written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/ryands17/algorithms-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9379847c47acb655548ea0f4a157735760897fc52330160c70c2f37f80c76143
[INFO] running `Command { std: "docker" "start" "-a" "9379847c47acb655548ea0f4a157735760897fc52330160c70c2f37f80c76143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9379847c47acb655548ea0f4a157735760897fc52330160c70c2f37f80c76143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9379847c47acb655548ea0f4a157735760897fc52330160c70c2f37f80c76143", kill_on_drop: false }`
[INFO] [stdout] 9379847c47acb655548ea0f4a157735760897fc52330160c70c2f37f80c76143
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 318b73bf7e41e649e8ac0bab5f2ae8d007a82f5afed4a5e2f89e435a3f47a57d
[INFO] running `Command { std: "docker" "start" "-a" "318b73bf7e41e649e8ac0bab5f2ae8d007a82f5afed4a5e2f89e435a3f47a57d", kill_on_drop: false }`
[INFO] [stderr]    Compiling algorithms-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "318b73bf7e41e649e8ac0bab5f2ae8d007a82f5afed4a5e2f89e435a3f47a57d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "318b73bf7e41e649e8ac0bab5f2ae8d007a82f5afed4a5e2f89e435a3f47a57d", kill_on_drop: false }`
[INFO] [stdout] 318b73bf7e41e649e8ac0bab5f2ae8d007a82f5afed4a5e2f89e435a3f47a57d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 292e218608412d3e8fec1b29431bb99b2eb423aefbc927db70cfebf368b18417
[INFO] running `Command { std: "docker" "start" "-a" "292e218608412d3e8fec1b29431bb99b2eb423aefbc927db70cfebf368b18417", kill_on_drop: false }`
[INFO] [stderr]    Compiling algorithms-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "292e218608412d3e8fec1b29431bb99b2eb423aefbc927db70cfebf368b18417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "292e218608412d3e8fec1b29431bb99b2eb423aefbc927db70cfebf368b18417", kill_on_drop: false }`
[INFO] [stdout] 292e218608412d3e8fec1b29431bb99b2eb423aefbc927db70cfebf368b18417
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dc0ff892636544130be084b4e343f495edf530f990b9dc3e23b2f5dd84b0aa2e
[INFO] running `Command { std: "docker" "start" "-a" "dc0ff892636544130be084b4e343f495edf530f990b9dc3e23b2f5dd84b0aa2e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/algorithms_rust-97de69f3ea9fce46)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test algorithms::matrix::tests::works_on_rectangular_matrices ... ok
[INFO] [stdout] test algorithms::capitalize::tests::capitalize_words ... ok
[INFO] [stdout] test algorithms::sum_of_two::tests::sum_of_two_doesnt_match ... ok
[INFO] [stdout] test algorithms::anagram::tests::is_an_anagram ... ok
[INFO] [stdout] test algorithms::matrix::tests::works_on_square_matrices ... ok
[INFO] [stdout] test algorithms::vowels::tests::counts_vowels ... ok
[INFO] [stdout] test algorithms::collatz::tests::gets_correct_steps_for_an_even_number ... ok
[INFO] [stdout] test algorithms::vowels::tests::no_match ... ok
[INFO] [stdout] test algorithms::reverse_string::tests::should_reverse_string ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/algorithms_rust-687f822c06fc0d8e)
[INFO] [stdout] test algorithms::reverse_uint::tests::reverse_large_integer ... ok
[INFO] [stdout] test algorithms::chunks::tests::chunk_basic ... ok
[INFO] [stdout] test algorithms::anagram::tests::is_not_an_anagram ... ok
[INFO] [stdout] test algorithms::collatz::tests::gets_correct_steps_for_an_odd_number ... ok
[INFO] [stdout] test algorithms::max_chars::tests::max_char_long_str ... ok
[INFO] [stdout] test algorithms::palindrome::tests::should_be_palindrome ... ok
[INFO] [stdout] test algorithms::stack::tests::push_to_stack ... ok
[INFO] [stdout] test algorithms::palindrome::tests::should_not_be_palindrome ... ok
[INFO] [stdout] test algorithms::max_chars::tests::max_single_char ... ok
[INFO] [stdout] test algorithms::sum_of_two::tests::sum_of_two_matches ... ok
[INFO] [stdout] test algorithms::reverse_uint::tests::reverse_single_integer ... ok
[INFO] [stdout] test algorithms::stack::tests::pop_from_stack ... ok
[INFO] [stdout] test algorithms::vowels::tests::count_uppercase ... ok
[INFO] [stdout] test algorithms::chunks::tests::chunk_size_greater_than_vec ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests algorithms-rust
[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] [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" "dc0ff892636544130be084b4e343f495edf530f990b9dc3e23b2f5dd84b0aa2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc0ff892636544130be084b4e343f495edf530f990b9dc3e23b2f5dd84b0aa2e", kill_on_drop: false }`
[INFO] [stdout] dc0ff892636544130be084b4e343f495edf530f990b9dc3e23b2f5dd84b0aa2e