[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 try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcshuaimin%2Fkvs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cshuaimin/kvs on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-7/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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 thiserror v1.0.10
[INFO] [stderr]   Downloaded bstr v0.2.10
[INFO] [stderr]   Downloaded aho-corasick v0.7.7
[INFO] [stderr]   Downloaded async-task v1.3.0
[INFO] [stderr]   Downloaded rio v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ef6a7c722d84343e91b3712fc2b1b2f6801c4654a4a89bf5d43cf34c8839a71
[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" "4ef6a7c722d84343e91b3712fc2b1b2f6801c4654a4a89bf5d43cf34c8839a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ef6a7c722d84343e91b3712fc2b1b2f6801c4654a4a89bf5d43cf34c8839a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ef6a7c722d84343e91b3712fc2b1b2f6801c4654a4a89bf5d43cf34c8839a71", kill_on_drop: false }`
[INFO] [stdout] 4ef6a7c722d84343e91b3712fc2b1b2f6801c4654a4a89bf5d43cf34c8839a71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3231876e0b51b3b4c752ad6dbe8cc85d2fc7341dbc2ac63c42c4fcb6291ab4b
[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" "e3231876e0b51b3b4c752ad6dbe8cc85d2fc7341dbc2ac63c42c4fcb6291ab4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling futures-io v0.3.1
[INFO] [stderr]    Compiling futures-core v0.3.1
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling futures-timer v2.0.2
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[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 textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling async-task v1.3.0
[INFO] [stderr]    Compiling rio v0.9.2
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling kv-log-macro v1.0.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling aho-corasick v0.7.7
[INFO] [stderr]    Compiling crossbeam-channel v0.4.0
[INFO] [stderr]    Compiling crossbeam-skiplist v0.0.0 (https://github.com/crossbeam-rs/crossbeam#ebecb82c)
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling async-std v1.4.0
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling thiserror-impl v1.0.10
[INFO] [stderr]    Compiling proc-macro-error v0.4.8
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.8
[INFO] [stderr]    Compiling thiserror v1.0.10
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]    Compiling structopt v0.3.9
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.76s
[INFO] running `Command { std: "docker" "inspect" "e3231876e0b51b3b4c752ad6dbe8cc85d2fc7341dbc2ac63c42c4fcb6291ab4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3231876e0b51b3b4c752ad6dbe8cc85d2fc7341dbc2ac63c42c4fcb6291ab4b", kill_on_drop: false }`
[INFO] [stdout] e3231876e0b51b3b4c752ad6dbe8cc85d2fc7341dbc2ac63c42c4fcb6291ab4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1cab4c69cdd3ce8c449091a0b3cbe279cb6cc69fc632f3111cfc8cb2e06f592
[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" "a1cab4c69cdd3ce8c449091a0b3cbe279cb6cc69fc632f3111cfc8cb2e06f592", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling bstr v0.2.10
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling serde_json v1.0.45
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling criterion-plot v0.4.1
[INFO] [stderr]    Compiling plotters v0.2.12
[INFO] [stderr]    Compiling tempfile v3.1.0
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.27s
[INFO] running `Command { std: "docker" "inspect" "a1cab4c69cdd3ce8c449091a0b3cbe279cb6cc69fc632f3111cfc8cb2e06f592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1cab4c69cdd3ce8c449091a0b3cbe279cb6cc69fc632f3111cfc8cb2e06f592", kill_on_drop: false }`
[INFO] [stdout] a1cab4c69cdd3ce8c449091a0b3cbe279cb6cc69fc632f3111cfc8cb2e06f592
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6990a522bc9a23eb195442b6bd96f44d29218737b1e342b15c54c6dbb7444ef9
[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" "6990a522bc9a23eb195442b6bd96f44d29218737b1e342b15c54c6dbb7444ef9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kvs-bd5adba22e9f6908)
[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-e7072af5a5587317)
[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]      Running unittests (/opt/rustwide/target/debug/deps/kvs_server-7e9d837f43bc58d2)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/kv_store.rs (/opt/rustwide/target/debug/deps/kv_store-7cf2a46547b56e47)
[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] [stderr] error: test failed, to rerun pass '--test kv_store'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/kv_store-7cf2a46547b56e47` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "6990a522bc9a23eb195442b6bd96f44d29218737b1e342b15c54c6dbb7444ef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6990a522bc9a23eb195442b6bd96f44d29218737b1e342b15c54c6dbb7444ef9", kill_on_drop: false }`
[INFO] [stdout] 6990a522bc9a23eb195442b6bd96f44d29218737b1e342b15c54c6dbb7444ef9