[INFO] fetching crate ensicoin-simon 0.1.0...
[INFO] testing ensicoin-simon-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ensicoin-simon 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ensicoin-simon 0.1.0 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 ensicoin-simon 0.1.0
[INFO] finished tweaking crates.io crate ensicoin-simon 0.1.0
[INFO] tweaked toml for crates.io crate ensicoin-simon 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate ensicoin-simon 0.1.0 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 tower-util v0.1.0
[INFO] [stderr]   Downloaded tower-layer v0.1.0
[INFO] [stderr]   Downloaded tower-service v0.2.0
[INFO] [stderr]   Downloaded http-connection v0.1.0
[INFO] [stderr]   Downloaded simplelog v0.7.1
[INFO] [stderr]   Downloaded codegen v0.1.1
[INFO] [stderr]   Downloaded tower-grpc-build v0.1.0
[INFO] [stderr]   Downloaded ensicoin_messages v0.7.4
[INFO] [stderr]   Downloaded tower-http-util v0.1.0
[INFO] [stderr]   Downloaded tower-hyper v0.1.1
[INFO] [stderr]   Downloaded tower-request-modifier v0.1.0
[INFO] [stderr]   Downloaded tower-grpc v0.1.0
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 316c4e776a7ebee2cc3c848c6f20e1a25d2a9be1a19f0838daf0779f088bcde4
[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" "316c4e776a7ebee2cc3c848c6f20e1a25d2a9be1a19f0838daf0779f088bcde4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "316c4e776a7ebee2cc3c848c6f20e1a25d2a9be1a19f0838daf0779f088bcde4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "316c4e776a7ebee2cc3c848c6f20e1a25d2a9be1a19f0838daf0779f088bcde4", kill_on_drop: false }`
[INFO] [stdout] 316c4e776a7ebee2cc3c848c6f20e1a25d2a9be1a19f0838daf0779f088bcde4
[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=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] [stdout] a7f30ec1596fd613501f1bc13a58af60e53e1fd832c4e13dd8a3998276408bc1
[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" "a7f30ec1596fd613501f1bc13a58af60e53e1fd832c4e13dd8a3998276408bc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling tower-service v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling codegen v0.1.1
[INFO] [stderr]    Compiling block-padding v0.1.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling tower-layer v0.1.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling ensicoin_serializer v2.0.9
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling tower-util v0.1.0
[INFO] [stderr]    Compiling tower-request-modifier v0.1.0
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling ripemd160 v0.8.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.15
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling secp256k1 v0.15.5
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.5
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling http-connection v0.1.0
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling tower-http-util v0.1.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling backtrace v0.3.37
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling simplelog v0.7.1
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]    Compiling hyper v0.12.34
[INFO] [stderr]    Compiling prost-build v0.5.0
[INFO] [stderr]    Compiling ensicoin_serializer_derive v0.2.7
[INFO] [stderr]    Compiling ensicoin_messages v0.7.4
[INFO] [stderr]    Compiling tower-hyper v0.1.1
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]    Compiling prost-types v0.5.0
[INFO] [stderr]    Compiling tower-grpc v0.1.0
[INFO] [stderr]    Compiling tower-grpc-build v0.1.0
[INFO] [stderr]    Compiling ensicoin-simon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stdout]    --> src/main.rs:251:9
[INFO] [stdout]     |
[INFO] [stdout] 251 |         resources.split_off(resources.len() / 2);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.41s
[INFO] running `Command { std: "docker" "inspect" "a7f30ec1596fd613501f1bc13a58af60e53e1fd832c4e13dd8a3998276408bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7f30ec1596fd613501f1bc13a58af60e53e1fd832c4e13dd8a3998276408bc1", kill_on_drop: false }`
[INFO] [stdout] a7f30ec1596fd613501f1bc13a58af60e53e1fd832c4e13dd8a3998276408bc1
[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=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] 1d2d584cf699dca510f4d0f7e26c3961f15f11bf957df5038b8a7c1c7e5cdfa9
[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" "1d2d584cf699dca510f4d0f7e26c3961f15f11bf957df5038b8a7c1c7e5cdfa9", kill_on_drop: false }`
[INFO] [stderr]    Compiling ensicoin-simon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stdout]    --> src/main.rs:251:9
[INFO] [stdout]     |
[INFO] [stdout] 251 |         resources.split_off(resources.len() / 2);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `Command { std: "docker" "inspect" "1d2d584cf699dca510f4d0f7e26c3961f15f11bf957df5038b8a7c1c7e5cdfa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d2d584cf699dca510f4d0f7e26c3961f15f11bf957df5038b8a7c1c7e5cdfa9", kill_on_drop: false }`
[INFO] [stdout] 1d2d584cf699dca510f4d0f7e26c3961f15f11bf957df5038b8a7c1c7e5cdfa9
[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=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] 0adfec03f552ec240e33b851894b98cf396bd67c02ade3cb11d1c823ba847ebe
[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" "0adfec03f552ec240e33b851894b98cf396bd67c02ade3cb11d1c823ba847ebe", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stderr]    --> src/main.rs:251:9
[INFO] [stderr]     |
[INFO] [stderr] 251 |         resources.split_off(resources.len() / 2);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: `ensicoin-simon` (bin "ensicoin-simon" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ensicoin_simon-72d9da6ade2cf20a)
[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" "0adfec03f552ec240e33b851894b98cf396bd67c02ade3cb11d1c823ba847ebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0adfec03f552ec240e33b851894b98cf396bd67c02ade3cb11d1c823ba847ebe", kill_on_drop: false }`
[INFO] [stdout] 0adfec03f552ec240e33b851894b98cf396bd67c02ade3cb11d1c823ba847ebe