[INFO] fetching crate empress 1.3.0...
[INFO] testing empress-1.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate empress 1.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate empress 1.3.0 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 crates.io crate empress 1.3.0
[INFO] finished tweaking crates.io crate empress 1.3.0
[INFO] tweaked toml for crates.io crate empress 1.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate empress 1.3.0 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dbus-crossroads v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] aeb8236aa7f832ba8ce5a84e08f73ded4db901efc233c28b1a620437de97c579
[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" "aeb8236aa7f832ba8ce5a84e08f73ded4db901efc233c28b1a620437de97c579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aeb8236aa7f832ba8ce5a84e08f73ded4db901efc233c28b1a620437de97c579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeb8236aa7f832ba8ce5a84e08f73ded4db901efc233c28b1a620437de97c579", kill_on_drop: false }`
[INFO] [stdout] aeb8236aa7f832ba8ce5a84e08f73ded4db901efc233c28b1a620437de97c579
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c03984a90c625092e3fd18cab145553b4d7688bc1af7b2f8f725acc2b28ad428
[INFO] running `Command { std: "docker" "start" "-a" "c03984a90c625092e3fd18cab145553b4d7688bc1af7b2f8f725acc2b28ad428", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling tokio v1.3.0
[INFO] [stderr]    Compiling regex v1.4.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling mio v0.7.9
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling futures-util v0.3.13
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling dbus v0.9.2
[INFO] [stderr]    Compiling futures-executor v0.3.13
[INFO] [stderr]    Compiling futures v0.3.13
[INFO] [stderr]    Compiling dbus-crossroads v0.3.0
[INFO] [stderr]    Compiling dbus-tokio v0.7.3
[INFO] [stderr]    Compiling empress v1.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]   --> src/server/player.rs:91:14
[INFO] [stdout]    |
[INFO] [stdout] 91 |     async fn set<T: Debug + Arg + Append>(
[INFO] [stdout]    |              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 41.23s
[INFO] running `Command { std: "docker" "inspect" "c03984a90c625092e3fd18cab145553b4d7688bc1af7b2f8f725acc2b28ad428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c03984a90c625092e3fd18cab145553b4d7688bc1af7b2f8f725acc2b28ad428", kill_on_drop: false }`
[INFO] [stdout] c03984a90c625092e3fd18cab145553b4d7688bc1af7b2f8f725acc2b28ad428
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b623a0b88e74371f970007a564099669d374c922c0740ee8c360da274d0e6030
[INFO] running `Command { std: "docker" "start" "-a" "b623a0b88e74371f970007a564099669d374c922c0740ee8c360da274d0e6030", kill_on_drop: false }`
[INFO] [stderr]    Compiling empress v1.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]   --> src/server/player.rs:91:14
[INFO] [stdout]    |
[INFO] [stdout] 91 |     async fn set<T: Debug + Arg + Append>(
[INFO] [stdout]    |              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 3.58s
[INFO] running `Command { std: "docker" "inspect" "b623a0b88e74371f970007a564099669d374c922c0740ee8c360da274d0e6030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b623a0b88e74371f970007a564099669d374c922c0740ee8c360da274d0e6030", kill_on_drop: false }`
[INFO] [stdout] b623a0b88e74371f970007a564099669d374c922c0740ee8c360da274d0e6030
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 555c1c32b48eacc80728dcf2a6fcbfc0a17aab1a9fea91fec8e34e809af5abb0
[INFO] running `Command { std: "docker" "start" "-a" "555c1c32b48eacc80728dcf2a6fcbfc0a17aab1a9fea91fec8e34e809af5abb0", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `set`
[INFO] [stderr]   --> src/server/player.rs:91:14
[INFO] [stderr]    |
[INFO] [stderr] 91 |     async fn set<T: Debug + Arg + Append>(
[INFO] [stderr]    |              ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `empress` (bin "empress" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/empress-890c3e76cd69c811)
[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" "555c1c32b48eacc80728dcf2a6fcbfc0a17aab1a9fea91fec8e34e809af5abb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "555c1c32b48eacc80728dcf2a6fcbfc0a17aab1a9fea91fec8e34e809af5abb0", kill_on_drop: false }`
[INFO] [stdout] 555c1c32b48eacc80728dcf2a6fcbfc0a17aab1a9fea91fec8e34e809af5abb0