[INFO] cloning repository https://github.com/karrybit/my-redis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/karrybit/my-redis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkarrybit%2Fmy-redis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkarrybit%2Fmy-redis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8afaa2ff907e197da6c98cae2f87c4966d51be81
[INFO] testing karrybit/my-redis against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkarrybit%2Fmy-redis" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/karrybit/my-redis on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/karrybit/my-redis
[INFO] finished tweaking git repo https://github.com/karrybit/my-redis
[INFO] tweaked toml for git repo https://github.com/karrybit/my-redis written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/karrybit/my-redis already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0117ef3019c217d2a0fc10a2d384099dd2931ebde1c7228332abda300df9d56b
[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" "0117ef3019c217d2a0fc10a2d384099dd2931ebde1c7228332abda300df9d56b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0117ef3019c217d2a0fc10a2d384099dd2931ebde1c7228332abda300df9d56b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0117ef3019c217d2a0fc10a2d384099dd2931ebde1c7228332abda300df9d56b", kill_on_drop: false }`
[INFO] [stdout] 0117ef3019c217d2a0fc10a2d384099dd2931ebde1c7228332abda300df9d56b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 68a362785314c340e6d6c28bcf636f567f8bf75685bab8ecd4ca9296faf8a68f
[INFO] running `Command { std: "docker" "start" "-a" "68a362785314c340e6d6c28bcf636f567f8bf75685bab8ecd4ca9296faf8a68f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling sharded-slab v0.1.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling atoi v0.3.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling async-stream v0.3.2
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling structopt v0.3.23
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling tracing-subscriber v0.2.20
[INFO] [stderr]    Compiling tokio-stream v0.1.7
[INFO] [stderr]    Compiling mini-redis v0.4.1
[INFO] [stderr]    Compiling my-redis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "68a362785314c340e6d6c28bcf636f567f8bf75685bab8ecd4ca9296faf8a68f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68a362785314c340e6d6c28bcf636f567f8bf75685bab8ecd4ca9296faf8a68f", kill_on_drop: false }`
[INFO] [stdout] 68a362785314c340e6d6c28bcf636f567f8bf75685bab8ecd4ca9296faf8a68f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cce561c332593097a229cc026ceff00f9727f56eb403202b5c30cd79f3420da2
[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" "cce561c332593097a229cc026ceff00f9727f56eb403202b5c30cd79f3420da2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling my-redis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `Command { std: "docker" "inspect" "cce561c332593097a229cc026ceff00f9727f56eb403202b5c30cd79f3420da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cce561c332593097a229cc026ceff00f9727f56eb403202b5c30cd79f3420da2", kill_on_drop: false }`
[INFO] [stdout] cce561c332593097a229cc026ceff00f9727f56eb403202b5c30cd79f3420da2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f430b4a2aba09245e372bb65d2f7f75721d2cb1396aac2e9a3c07bb295649ce9
[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" "f430b4a2aba09245e372bb65d2f7f75721d2cb1396aac2e9a3c07bb295649ce9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/my_redis-5f62e236894ff63c)
[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" "f430b4a2aba09245e372bb65d2f7f75721d2cb1396aac2e9a3c07bb295649ce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f430b4a2aba09245e372bb65d2f7f75721d2cb1396aac2e9a3c07bb295649ce9", kill_on_drop: false }`
[INFO] [stdout] f430b4a2aba09245e372bb65d2f7f75721d2cb1396aac2e9a3c07bb295649ce9