[INFO] fetching crate ensicoin-simon 0.1.0...
[INFO] checking ensicoin-simon-0.1.0 against beta for pr-78714
[INFO] extracting crate ensicoin-simon 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ensicoin-simon 0.1.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", 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-5/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" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 886277bc71bf35f29b9f387b2b97274b2322176af5d5588c6438e87ecee000fa
[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" "886277bc71bf35f29b9f387b2b97274b2322176af5d5588c6438e87ecee000fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "886277bc71bf35f29b9f387b2b97274b2322176af5d5588c6438e87ecee000fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "886277bc71bf35f29b9f387b2b97274b2322176af5d5588c6438e87ecee000fa", kill_on_drop: false }`
[INFO] [stdout] 886277bc71bf35f29b9f387b2b97274b2322176af5d5588c6438e87ecee000fa
[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=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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--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] 41001c25f9aa6f75efbc33caa9ba7c523ada7681bef34ee916ddc34e7766c86a
[INFO] running `Command { std: "docker" "start" "-a" "41001c25f9aa6f75efbc33caa9ba7c523ada7681bef34ee916ddc34e7766c86a", 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 autocfg v0.1.6
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
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[INFO] [stderr]    Compiling secp256k1 v0.15.5
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[INFO] [stderr]    Compiling petgraph v0.4.13
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[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.1
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[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking want v0.2.0
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[INFO] [stderr]    Compiling codegen v0.1.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
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[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]    Compiling prost-build v0.5.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking ensicoin_serializer v2.0.9
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking ripemd160 v0.8.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking parking_lot_core v0.4.0
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[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
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[INFO] [stderr]     Checking tokio-tcp v0.1.3
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[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking simplelog v0.7.1
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[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-connection v0.1.0
[INFO] [stderr]     Checking tower-request-modifier v0.1.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tower-http-util v0.1.0
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]    Compiling ensicoin_serializer_derive v0.2.7
[INFO] [stderr]    Compiling prost-types v0.5.0
[INFO] [stderr]     Checking tower-grpc v0.1.0
[INFO] [stderr]     Checking ensicoin_messages v0.7.4
[INFO] [stderr]    Compiling tower-grpc-build v0.1.0
[INFO] [stderr]     Checking tower-hyper v0.1.1
[INFO] [stderr]    Compiling ensicoin-simon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Vec::<T>::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] [stdout] warning: unused return value of `Vec::<T>::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 1m 05s
[INFO] running `Command { std: "docker" "inspect" "41001c25f9aa6f75efbc33caa9ba7c523ada7681bef34ee916ddc34e7766c86a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41001c25f9aa6f75efbc33caa9ba7c523ada7681bef34ee916ddc34e7766c86a", kill_on_drop: false }`
[INFO] [stdout] 41001c25f9aa6f75efbc33caa9ba7c523ada7681bef34ee916ddc34e7766c86a