[INFO] cloning repository https://github.com/urawa72/my-redis-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/urawa72/my-redis-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furawa72%2Fmy-redis-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furawa72%2Fmy-redis-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45961d258d80224daffe0c45f2f86d1bc9c81f69
[INFO] testing urawa72/my-redis-rust 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%2Furawa72%2Fmy-redis-rust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/urawa72/my-redis-rust 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/urawa72/my-redis-rust
[INFO] finished tweaking git repo https://github.com/urawa72/my-redis-rust
[INFO] tweaked toml for git repo https://github.com/urawa72/my-redis-rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/urawa72/my-redis-rust 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]  Downloading crates ...
[INFO] [stderr]   Downloaded mini-redis v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] b75eba0a7d35cf969068378290fdef525313f72baa1e6681516c3f53b26e3a65
[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" "b75eba0a7d35cf969068378290fdef525313f72baa1e6681516c3f53b26e3a65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b75eba0a7d35cf969068378290fdef525313f72baa1e6681516c3f53b26e3a65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b75eba0a7d35cf969068378290fdef525313f72baa1e6681516c3f53b26e3a65", kill_on_drop: false }`
[INFO] [stdout] b75eba0a7d35cf969068378290fdef525313f72baa1e6681516c3f53b26e3a65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] f28ca6407a2a89dbf6cf978b31d604d76ca03cd6cdbf37b6f0596e4dc5ec65f6
[INFO] running `Command { std: "docker" "start" "-a" "f28ca6407a2a89dbf6cf978b31d604d76ca03cd6cdbf37b6f0596e4dc5ec65f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling tokio v1.10.1
[INFO] [stderr]    Compiling sharded-slab v0.1.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling atoi v0.3.3
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling async-stream v0.3.2
[INFO] [stderr]    Compiling tracing-subscriber v0.2.20
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling structopt v0.3.22
[INFO] [stderr]    Compiling tokio-stream v0.1.7
[INFO] [stderr]    Compiling mini-redis v0.4.1
[INFO] [stderr]    Compiling spawing v0.1.0 (/opt/rustwide/workdir/spawing)
[INFO] [stderr]    Compiling hello-tokio v0.1.0 (/opt/rustwide/workdir/hello-tokio)
[INFO] [stderr]    Compiling shared-state v0.1.0 (/opt/rustwide/workdir/shared-state)
[INFO] [stderr]    Compiling io v0.1.0 (/opt/rustwide/workdir/io)
[INFO] [stderr]    Compiling channels v0.1.0 (/opt/rustwide/workdir/channels)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> io/src/echo-server.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut listner = TcpListener::bind("127.0.0.1:6142").await.unwrap();
[INFO] [stdout]   |         ----^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "f28ca6407a2a89dbf6cf978b31d604d76ca03cd6cdbf37b6f0596e4dc5ec65f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f28ca6407a2a89dbf6cf978b31d604d76ca03cd6cdbf37b6f0596e4dc5ec65f6", kill_on_drop: false }`
[INFO] [stdout] f28ca6407a2a89dbf6cf978b31d604d76ca03cd6cdbf37b6f0596e4dc5ec65f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 3f7c12a8128bf6e63d87573980f7b9818059f4729d3ec1be1814e9cb238b914b
[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" "3f7c12a8128bf6e63d87573980f7b9818059f4729d3ec1be1814e9cb238b914b", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-tokio v0.1.0 (/opt/rustwide/workdir/hello-tokio)
[INFO] [stderr]    Compiling channels v0.1.0 (/opt/rustwide/workdir/channels)
[INFO] [stderr]    Compiling io v0.1.0 (/opt/rustwide/workdir/io)
[INFO] [stderr]    Compiling spawing v0.1.0 (/opt/rustwide/workdir/spawing)
[INFO] [stderr]    Compiling shared-state v0.1.0 (/opt/rustwide/workdir/shared-state)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> io/src/echo-server.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut listner = TcpListener::bind("127.0.0.1:6142").await.unwrap();
[INFO] [stdout]   |         ----^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.41s
[INFO] running `Command { std: "docker" "inspect" "3f7c12a8128bf6e63d87573980f7b9818059f4729d3ec1be1814e9cb238b914b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f7c12a8128bf6e63d87573980f7b9818059f4729d3ec1be1814e9cb238b914b", kill_on_drop: false }`
[INFO] [stdout] 3f7c12a8128bf6e63d87573980f7b9818059f4729d3ec1be1814e9cb238b914b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 17f70c79cd55e77102b209cfec390ff91b1ad50f1bbcd8a53997139a167654d5
[INFO] running `Command { std: "docker" "start" "-a" "17f70c79cd55e77102b209cfec390ff91b1ad50f1bbcd8a53997139a167654d5", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> io/src/echo-server.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut listner = TcpListener::bind("127.0.0.1:6142").await.unwrap();
[INFO] [stderr]   |         ----^^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `io` (bin "echo-server" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/channels-7cdfb291e1e24c63)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_tokio-9c36f3bce75ecf14)
[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 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/echo_server-a5563fbd5337b42a)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/echo_server_copy-dde0932d1764b0f3)
[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/shared_state-4ca49b0ad8cf19db)
[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/spawing-264123c7d05eb2cd)
[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 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" "17f70c79cd55e77102b209cfec390ff91b1ad50f1bbcd8a53997139a167654d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17f70c79cd55e77102b209cfec390ff91b1ad50f1bbcd8a53997139a167654d5", kill_on_drop: false }`
[INFO] [stdout] 17f70c79cd55e77102b209cfec390ff91b1ad50f1bbcd8a53997139a167654d5