[INFO] cloning repository https://github.com/pandulaDW/rust-ds-and-algos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pandulaDW/rust-ds-and-algos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FpandulaDW%2Frust-ds-and-algos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FpandulaDW%2Frust-ds-and-algos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2bded0a110103155dee308d73965089d259b598
[INFO] testing pandulaDW/rust-ds-and-algos against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FpandulaDW%2Frust-ds-and-algos" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pandulaDW/rust-ds-and-algos on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pandulaDW/rust-ds-and-algos
[INFO] finished tweaking git repo https://github.com/pandulaDW/rust-ds-and-algos
[INFO] tweaked toml for git repo https://github.com/pandulaDW/rust-ds-and-algos written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/pandulaDW/rust-ds-and-algos already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pretty_assertions v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e93a52ef8553e9501f898850f05cae564d17f6b3dca6873c75085b68cfd6a4d9
[INFO] running `Command { std: "docker" "start" "-a" "e93a52ef8553e9501f898850f05cae564d17f6b3dca6873c75085b68cfd6a4d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e93a52ef8553e9501f898850f05cae564d17f6b3dca6873c75085b68cfd6a4d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e93a52ef8553e9501f898850f05cae564d17f6b3dca6873c75085b68cfd6a4d9", kill_on_drop: false }`
[INFO] [stdout] e93a52ef8553e9501f898850f05cae564d17f6b3dca6873c75085b68cfd6a4d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2394f1d12e2a90b535655ff9773da81df55c475e15f165a5d6f553563969da04
[INFO] running `Command { std: "docker" "start" "-a" "2394f1d12e2a90b535655ff9773da81df55c475e15f165a5d6f553563969da04", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling curl v0.4.43
[INFO] [stderr]    Compiling async-task v4.2.0
[INFO] [stderr]    Compiling isahc v0.7.6
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.7+1.45.0
[INFO] [stderr]    Compiling libz-sys v1.1.5
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling curl-sys v0.4.53+curl-7.82.0
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling blocking v1.2.0
[INFO] [stderr]    Compiling sluice v0.4.2
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling polling v2.2.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling async-global-executor v2.0.3
[INFO] [stderr]    Compiling async-std v1.11.0
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling surf v1.0.3
[INFO] [stderr]    Compiling repl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "2394f1d12e2a90b535655ff9773da81df55c475e15f165a5d6f553563969da04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2394f1d12e2a90b535655ff9773da81df55c475e15f165a5d6f553563969da04", kill_on_drop: false }`
[INFO] [stdout] 2394f1d12e2a90b535655ff9773da81df55c475e15f165a5d6f553563969da04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 26a0087359729134491e24eeae6288784b5e696131af48b32d553cc97a56b5d8
[INFO] running `Command { std: "docker" "start" "-a" "26a0087359729134491e24eeae6288784b5e696131af48b32d553cc97a56b5d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling pretty_assertions v1.1.0
[INFO] [stderr]    Compiling repl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.88s
[INFO] running `Command { std: "docker" "inspect" "26a0087359729134491e24eeae6288784b5e696131af48b32d553cc97a56b5d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26a0087359729134491e24eeae6288784b5e696131af48b32d553cc97a56b5d8", kill_on_drop: false }`
[INFO] [stdout] 26a0087359729134491e24eeae6288784b5e696131af48b32d553cc97a56b5d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 98a83e33a522d55a94fe3dfbb60866a6fd19156a404c7a6876df0a59a132fe9a
[INFO] running `Command { std: "docker" "start" "-a" "98a83e33a522d55a94fe3dfbb60866a6fd19156a404c7a6876df0a59a132fe9a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/repl-0c639a8427eec847)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test problems::easy::tests::test_length_of_last_world ... ok
[INFO] [stdout] test problems::easy::tests::test_longest_common_prefix ... ok
[INFO] [stdout] test problems::easy::tests::test_remove_adjacent_duplicates ... ok
[INFO] [stdout] test problems::easy::tests::test_reverse_string ... ok
[INFO] [stdout] test problems::easy::tests::test_two_sum ... ok
[INFO] [stdout] test problems::medium::tests::test_length_of_longest_substring ... ok
[INFO] [stdout] test problems::easy::tests::test_is_palindrome ... ok
[INFO] [stdout] test problems::medium::tests::test_remove_sub_folders ... ok
[INFO] [stdout] test problems::medium::tests::test_remove_consecutive_kdigits ... ok
[INFO] [stdout] test problems::medium::tests::test_search_range ... ok
[INFO] [stdout] test problems::easy::tests::test_add_binary ... ok
[INFO] [stdout] test problems::sorting::tests::test_bubble_sort ... ok
[INFO] [stdout] test problems::medium::tests::test_convert_zigzag ... ok
[INFO] [stdout] test problems::sorting::tests::test_selection_sort ... ok
[INFO] [stdout] test problems::medium::tests::test_eval_rpn ... ok
[INFO] [stdout] test recursion::easy::tests::test_power ... ok
[INFO] [stdout] test recursion::easy::tests::test_factorial ... ok
[INFO] [stdout] test recursion::easy::tests::test_fibonacci ... ok
[INFO] [stdout] test data_structures::vec::tests::test_push_elements_without_reallocation ... ok
[INFO] [stdout] test problems::easy::tests::test_excel_sheet_column_number ... ok
[INFO] [stdout] test data_structures::vec::tests::test_vec_initialize_correctly ... ok
[INFO] [stdout] test problems::easy::tests::test_valid_palindrome ... ok
[INFO] [stdout] test problems::easy::tests::test_fizz_buzz ... ok
[INFO] [stdout] test problems::medium::tests::test_my_atoi ... ok
[INFO] [stdout] test problems::medium::tests::test_reverse ... ok
[INFO] [stdout] test problems::medium::tests::test_rotate ... ok
[INFO] [stdout] test problems::medium::tests::test_score_of_parentheses ... ok
[INFO] [stdout] test problems::medium::tests::test_remove_adjacent_duplicates ... ok
[INFO] [stdout] test data_structures::vec::tests::test_unit_size_panics - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "98a83e33a522d55a94fe3dfbb60866a6fd19156a404c7a6876df0a59a132fe9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98a83e33a522d55a94fe3dfbb60866a6fd19156a404c7a6876df0a59a132fe9a", kill_on_drop: false }`
[INFO] [stdout] 98a83e33a522d55a94fe3dfbb60866a6fd19156a404c7a6876df0a59a132fe9a