[INFO] cloning repository https://github.com/cshuaimin/kvs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cshuaimin/kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcshuaimin%2Fkvs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcshuaimin%2Fkvs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a00af630b1cd3449049f5c76063193a01203038
[INFO] testing cshuaimin/kvs against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcshuaimin%2Fkvs" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cshuaimin/kvs on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cshuaimin/kvs
[INFO] finished tweaking git repo https://github.com/cshuaimin/kvs
[INFO] tweaked toml for git repo https://github.com/cshuaimin/kvs written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/cshuaimin/kvs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/crossbeam-rs/crossbeam`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.10
[INFO] [stderr]   Downloaded async-task v1.3.0
[INFO] [stderr]   Downloaded bstr v0.2.10
[INFO] [stderr]   Downloaded rio v0.9.2
[INFO] [stderr]   Downloaded thiserror v1.0.10
[INFO] [stderr]   Downloaded aho-corasick v0.7.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59a105ce457d884400e4b3efee54254c766374e6d9bd2996a0724fa8ebfb1290
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "59a105ce457d884400e4b3efee54254c766374e6d9bd2996a0724fa8ebfb1290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59a105ce457d884400e4b3efee54254c766374e6d9bd2996a0724fa8ebfb1290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59a105ce457d884400e4b3efee54254c766374e6d9bd2996a0724fa8ebfb1290", kill_on_drop: false }`
[INFO] [stdout] 59a105ce457d884400e4b3efee54254c766374e6d9bd2996a0724fa8ebfb1290
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2022-02-22" "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] ffeceaf2121d5abeaad8129232d0829a816a0c0403eb8c38bec18b116798ece2
[INFO] running `Command { std: "docker" "start" "-a" "ffeceaf2121d5abeaad8129232d0829a816a0c0403eb8c38bec18b116798ece2", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling futures-io v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0 (https://github.com/crossbeam-rs/crossbeam#ebecb82c)
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0 (https://github.com/crossbeam-rs/crossbeam#ebecb82c)
[INFO] [stderr]    Compiling async-task v1.3.0
[INFO] [stderr]    Compiling rio v0.9.2
[INFO] [stderr]    Compiling crossbeam-channel v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.10
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling aho-corasick v0.7.7
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling kv-log-macro v1.0.4
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling async-std v1.4.0
[INFO] [stderr]    Compiling crossbeam-skiplist v0.0.0 (https://github.com/crossbeam-rs/crossbeam#ebecb82c)
[INFO] [stderr]    Compiling thiserror v1.0.10
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `dir`
[INFO] [stdout]   --> src/kvs.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     dir: Arc<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `KvsReader` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/kvs.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.38s
[INFO] running `Command { std: "docker" "inspect" "ffeceaf2121d5abeaad8129232d0829a816a0c0403eb8c38bec18b116798ece2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffeceaf2121d5abeaad8129232d0829a816a0c0403eb8c38bec18b116798ece2", kill_on_drop: false }`
[INFO] [stdout] ffeceaf2121d5abeaad8129232d0829a816a0c0403eb8c38bec18b116798ece2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c26cd0e3cd3c328e5666e6e8eedb2983488c1306987150941ff5cfd080878498
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c26cd0e3cd3c328e5666e6e8eedb2983488c1306987150941ff5cfd080878498", kill_on_drop: false }`
[INFO] [stderr]    Compiling oorandom v11.1.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling plotters v0.2.12
[INFO] [stderr]    Compiling bstr v0.2.10
[INFO] [stderr]    Compiling serde_json v1.0.45
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stdout] warning: field is never read: `dir`
[INFO] [stdout]   --> src/kvs.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     dir: Arc<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `KvsReader` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/kvs.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling criterion-plot v0.4.1
[INFO] [stderr]    Compiling tinytemplate v1.0.3
[INFO] [stderr]    Compiling criterion v0.3.1
[INFO] [stderr]    Compiling kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `dir`
[INFO] [stdout]   --> src/kvs.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     dir: Arc<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `KvsReader` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/kvs.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 24.06s
[INFO] running `Command { std: "docker" "inspect" "c26cd0e3cd3c328e5666e6e8eedb2983488c1306987150941ff5cfd080878498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c26cd0e3cd3c328e5666e6e8eedb2983488c1306987150941ff5cfd080878498", kill_on_drop: false }`
[INFO] [stdout] c26cd0e3cd3c328e5666e6e8eedb2983488c1306987150941ff5cfd080878498
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dd12e0fb15c95c4e244571d02e5e13dd7d47da358b9272b99b09d683b68227bb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dd12e0fb15c95c4e244571d02e5e13dd7d47da358b9272b99b09d683b68227bb", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `dir`
[INFO] [stderr]   --> src/kvs.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     dir: Arc<PathBuf>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `KvsReader` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/kvs.rs:23:10
[INFO] [stderr]    |
[INFO] [stderr] 23 | #[derive(Clone)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `kvs` (lib) generated 1 warning
[INFO] [stderr] warning: `kvs` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kvs-87de11f94afdfb77)
[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]      Running unittests (/opt/rustwide/target/debug/deps/kvs_client-0f6a4c3106a5e7b9)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kvs_server-34a3113ad34ff772)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/kv_store.rs (/opt/rustwide/target/debug/deps/kv_store-064583a5e10aba05)
[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] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test remove_non_existent_key ... ok
[INFO] [stdout] test remove_key ... ok
[INFO] [stdout] test get_non_existent_value ... ok
[INFO] [stdout] test overwrite_value ... ok
[INFO] [stdout] test concurrent_set ... ok
[INFO] [stdout] test get_stored_value ... ok
[INFO] [stdout] test concurrent_get ... ok
[INFO] [stdout] test compaction ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.15s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kvs
[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" "dd12e0fb15c95c4e244571d02e5e13dd7d47da358b9272b99b09d683b68227bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd12e0fb15c95c4e244571d02e5e13dd7d47da358b9272b99b09d683b68227bb", kill_on_drop: false }`
[INFO] [stdout] dd12e0fb15c95c4e244571d02e5e13dd7d47da358b9272b99b09d683b68227bb