[INFO] cloning repository https://github.com/xiaohulu/grokking-algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xiaohulu/grokking-algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaohulu%2Fgrokking-algorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaohulu%2Fgrokking-algorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] efed9db2e1b83373fa631d7de2cd01377a7b3db9
[INFO] testing xiaohulu/grokking-algorithms against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaohulu%2Fgrokking-algorithms" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xiaohulu/grokking-algorithms on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xiaohulu/grokking-algorithms
[INFO] finished tweaking git repo https://github.com/xiaohulu/grokking-algorithms
[INFO] tweaked toml for git repo https://github.com/xiaohulu/grokking-algorithms written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/xiaohulu/grokking-algorithms already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 720f41e5efc583226e646a9e390b2da1e66b46021a090409cb858c7ebb075fe4
[INFO] running `Command { std: "docker" "start" "-a" "720f41e5efc583226e646a9e390b2da1e66b46021a090409cb858c7ebb075fe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "720f41e5efc583226e646a9e390b2da1e66b46021a090409cb858c7ebb075fe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "720f41e5efc583226e646a9e390b2da1e66b46021a090409cb858c7ebb075fe4", kill_on_drop: false }`
[INFO] [stdout] 720f41e5efc583226e646a9e390b2da1e66b46021a090409cb858c7ebb075fe4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c2b05eb879742ccf80f4fc466dc35c0948441a5ec5f8912646df1b49123df06
[INFO] running `Command { std: "docker" "start" "-a" "2c2b05eb879742ccf80f4fc466dc35c0948441a5ec5f8912646df1b49123df06", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling grokking_algorithms1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "2c2b05eb879742ccf80f4fc466dc35c0948441a5ec5f8912646df1b49123df06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c2b05eb879742ccf80f4fc466dc35c0948441a5ec5f8912646df1b49123df06", kill_on_drop: false }`
[INFO] [stdout] 2c2b05eb879742ccf80f4fc466dc35c0948441a5ec5f8912646df1b49123df06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b80cf8a0a7fe0cdfd837da525efd7f5085468ddd893d81a45b4763a19ba933a
[INFO] running `Command { std: "docker" "start" "-a" "4b80cf8a0a7fe0cdfd837da525efd7f5085468ddd893d81a45b4763a19ba933a", kill_on_drop: false }`
[INFO] [stderr]    Compiling grokking_algorithms1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "4b80cf8a0a7fe0cdfd837da525efd7f5085468ddd893d81a45b4763a19ba933a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b80cf8a0a7fe0cdfd837da525efd7f5085468ddd893d81a45b4763a19ba933a", kill_on_drop: false }`
[INFO] [stdout] 4b80cf8a0a7fe0cdfd837da525efd7f5085468ddd893d81a45b4763a19ba933a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8489f26a1e1ecfb3e27f8a420dc717c7a17ae5a2f597dce44dbc6c94fa9da63a
[INFO] running `Command { std: "docker" "start" "-a" "8489f26a1e1ecfb3e27f8a420dc717c7a17ae5a2f597dce44dbc6c94fa9da63a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/grokking_algorithms1-73d82511a6691e4a)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test ch02::selection_sort::tests::selection_sort_success ... ok
[INFO] [stdout] test ch03::count_down::tests::count_down_success ... ok
[INFO] [stdout] test ch01::binary_search::tests::binary_search_i32_matched ... ok
[INFO] [stdout] test ch04::recursive_sum::tests::sum_success ... ok
[INFO] [stdout] test ch04::recursive_count::tests::count_success ... ok
[INFO] [stdout] test ch04::recursive_max::tests::max_success ... ok
[INFO] [stdout] test ch05::price_of_groceries::tests::new_success ... ok
[INFO] [stdout] test ch04::quick_sort::tests::quick_sort_success ... ok
[INFO] [stdout] test ch05::check_voter::tests::check_voter_success ... ok
[INFO] [stdout] test ch01::binary_search::tests::binary_search_str_matched ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/grokking_algorithms1-c81ae8177e7343f5)
[INFO] [stdout] test ch04::loop_sum::tests::sum_success ... ok
[INFO] [stdout] test ch03::factorial::tests::count_down_success ... ok
[INFO] [stdout] test ch03::greet::tests::count_down_success ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests grokking_algorithms1
[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" "8489f26a1e1ecfb3e27f8a420dc717c7a17ae5a2f597dce44dbc6c94fa9da63a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8489f26a1e1ecfb3e27f8a420dc717c7a17ae5a2f597dce44dbc6c94fa9da63a", kill_on_drop: false }`
[INFO] [stdout] 8489f26a1e1ecfb3e27f8a420dc717c7a17ae5a2f597dce44dbc6c94fa9da63a