[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 try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryands17%2Falgorithms-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ryands17/algorithms-rust on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-6/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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbe4874bc03e8fca448c7b661d7d46d00f8ddd50c5d4d84412da6c6efc301385
[INFO] running `Command { std: "docker" "start" "-a" "cbe4874bc03e8fca448c7b661d7d46d00f8ddd50c5d4d84412da6c6efc301385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbe4874bc03e8fca448c7b661d7d46d00f8ddd50c5d4d84412da6c6efc301385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbe4874bc03e8fca448c7b661d7d46d00f8ddd50c5d4d84412da6c6efc301385", kill_on_drop: false }`
[INFO] [stdout] cbe4874bc03e8fca448c7b661d7d46d00f8ddd50c5d4d84412da6c6efc301385
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81dda917847f17003aaabcdea338f6e8b612c226d60b198f448f300e0e0f914e
[INFO] running `Command { std: "docker" "start" "-a" "81dda917847f17003aaabcdea338f6e8b612c226d60b198f448f300e0e0f914e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling algorithms-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.78s
[INFO] running `Command { std: "docker" "inspect" "81dda917847f17003aaabcdea338f6e8b612c226d60b198f448f300e0e0f914e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81dda917847f17003aaabcdea338f6e8b612c226d60b198f448f300e0e0f914e", kill_on_drop: false }`
[INFO] [stdout] 81dda917847f17003aaabcdea338f6e8b612c226d60b198f448f300e0e0f914e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c0b02d154b0e3699b01d1cb725281cdf2b872a006f7cb2257a3a7494589a617
[INFO] running `Command { std: "docker" "start" "-a" "9c0b02d154b0e3699b01d1cb725281cdf2b872a006f7cb2257a3a7494589a617", kill_on_drop: false }`
[INFO] [stderr]    Compiling algorithms-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "9c0b02d154b0e3699b01d1cb725281cdf2b872a006f7cb2257a3a7494589a617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c0b02d154b0e3699b01d1cb725281cdf2b872a006f7cb2257a3a7494589a617", kill_on_drop: false }`
[INFO] [stdout] 9c0b02d154b0e3699b01d1cb725281cdf2b872a006f7cb2257a3a7494589a617
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 75b327871bd31bf1c70688dad5824de2ae5530311c959da69158ce968e79d47a
[INFO] running `Command { std: "docker" "start" "-a" "75b327871bd31bf1c70688dad5824de2ae5530311c959da69158ce968e79d47a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/algorithms_rust-e9390b8e88c64ee9)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test algorithms::anagram::tests::is_an_anagram ... ok
[INFO] [stdout] test algorithms::anagram::tests::is_not_an_anagram ... ok
[INFO] [stdout] test algorithms::capitalize::tests::capitalize_words ... ok
[INFO] [stdout] test algorithms::chunks::tests::chunk_basic ... ok
[INFO] [stdout] test algorithms::chunks::tests::chunk_size_greater_than_vec ... ok
[INFO] [stdout] test algorithms::collatz::tests::gets_correct_steps_for_an_even_number ... ok
[INFO] [stdout] test algorithms::collatz::tests::gets_correct_steps_for_an_odd_number ... ok
[INFO] [stdout] test algorithms::matrix::tests::works_on_rectangular_matrices ... ok
[INFO] [stdout] test algorithms::matrix::tests::works_on_square_matrices ... 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::palindrome::tests::should_not_be_palindrome ... ok
[INFO] [stdout] test algorithms::max_chars::tests::max_single_char ... ok
[INFO] [stdout] test algorithms::reverse_string::tests::should_reverse_string ... ok
[INFO] [stdout] test algorithms::reverse_uint::tests::reverse_single_integer ... ok
[INFO] [stdout] test algorithms::stack::tests::push_to_stack ... ok
[INFO] [stdout] test algorithms::stack::tests::pop_from_stack ... ok
[INFO] [stdout] test algorithms::sum_of_two::tests::sum_of_two_doesnt_match ... ok
[INFO] [stdout] test algorithms::reverse_uint::tests::reverse_large_integer ... ok
[INFO] [stdout] test algorithms::vowels::tests::count_uppercase ... ok
[INFO] [stdout] test algorithms::sum_of_two::tests::sum_of_two_matches ... ok
[INFO] [stdout] test algorithms::vowels::tests::counts_vowels ... ok
[INFO] [stdout] test algorithms::vowels::tests::no_match ... 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]      Running unittests (/opt/rustwide/target/debug/deps/algorithms_rust-026aa0dfd09b1fc9)
[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] [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] running `Command { std: "docker" "inspect" "75b327871bd31bf1c70688dad5824de2ae5530311c959da69158ce968e79d47a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b327871bd31bf1c70688dad5824de2ae5530311c959da69158ce968e79d47a", kill_on_drop: false }`
[INFO] [stdout] 75b327871bd31bf1c70688dad5824de2ae5530311c959da69158ce968e79d47a