[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 master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaohulu%2Fgrokking-algorithms" "/workspace/builds/worker-98/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-98/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xiaohulu/grokking-algorithms on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-98/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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a842628bf5014f3ac7756275becec7d04534670b25b1c685f30814fb7e95a57e
[INFO] running `Command { std: "docker" "start" "-a" "a842628bf5014f3ac7756275becec7d04534670b25b1c685f30814fb7e95a57e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a842628bf5014f3ac7756275becec7d04534670b25b1c685f30814fb7e95a57e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a842628bf5014f3ac7756275becec7d04534670b25b1c685f30814fb7e95a57e", kill_on_drop: false }`
[INFO] [stdout] a842628bf5014f3ac7756275becec7d04534670b25b1c685f30814fb7e95a57e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3853f48e5374537318d1eb56487875d19e5bc423614335b1fe11d854fb73a632
[INFO] running `Command { std: "docker" "start" "-a" "3853f48e5374537318d1eb56487875d19e5bc423614335b1fe11d854fb73a632", kill_on_drop: false }`
[INFO] [stderr]    Compiling grokking_algorithms1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "3853f48e5374537318d1eb56487875d19e5bc423614335b1fe11d854fb73a632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3853f48e5374537318d1eb56487875d19e5bc423614335b1fe11d854fb73a632", kill_on_drop: false }`
[INFO] [stdout] 3853f48e5374537318d1eb56487875d19e5bc423614335b1fe11d854fb73a632
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88a3cb6c6ebab2854160bf7b74c31e0625c0b7edce872953397e25919c9c3bf4
[INFO] running `Command { std: "docker" "start" "-a" "88a3cb6c6ebab2854160bf7b74c31e0625c0b7edce872953397e25919c9c3bf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling grokking_algorithms1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "88a3cb6c6ebab2854160bf7b74c31e0625c0b7edce872953397e25919c9c3bf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88a3cb6c6ebab2854160bf7b74c31e0625c0b7edce872953397e25919c9c3bf4", kill_on_drop: false }`
[INFO] [stdout] 88a3cb6c6ebab2854160bf7b74c31e0625c0b7edce872953397e25919c9c3bf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fbfe43b840d2722acccae668f9a1cf933d0e570e28b06cc35ca1318ec8bcf5f9
[INFO] running `Command { std: "docker" "start" "-a" "fbfe43b840d2722acccae668f9a1cf933d0e570e28b06cc35ca1318ec8bcf5f9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/grokking_algorithms1-c2a0f964ac5ac69f)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test ch01::binary_search::tests::binary_search_i32_matched ... ok
[INFO] [stdout] test ch01::binary_search::tests::binary_search_str_matched ... ok
[INFO] [stdout] test ch02::selection_sort::tests::selection_sort_success ... ok
[INFO] [stdout] test ch03::factorial::tests::count_down_success ... ok
[INFO] [stdout] test ch03::count_down::tests::count_down_success ... ok
[INFO] [stdout] test ch03::greet::tests::count_down_success ... ok
[INFO] [stdout] test ch04::loop_sum::tests::sum_success ... ok
[INFO] [stdout] test ch04::recursive_count::tests::count_success ... ok
[INFO] [stdout] test ch04::quick_sort::tests::quick_sort_success ... ok
[INFO] [stdout] test ch04::recursive_max::tests::max_success ... ok
[INFO] [stdout] test ch04::recursive_sum::tests::sum_success ... ok
[INFO] [stdout] test ch05::check_voter::tests::check_voter_success ... ok
[INFO] [stdout] test ch05::price_of_groceries::tests::new_success ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/grokking_algorithms1-d313baca40b4e4e0)
[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 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] running `Command { std: "docker" "inspect" "fbfe43b840d2722acccae668f9a1cf933d0e570e28b06cc35ca1318ec8bcf5f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbfe43b840d2722acccae668f9a1cf933d0e570e28b06cc35ca1318ec8bcf5f9", kill_on_drop: false }`
[INFO] [stdout] fbfe43b840d2722acccae668f9a1cf933d0e570e28b06cc35ca1318ec8bcf5f9