[INFO] fetching crate ensicoin-simon 0.1.0...
[INFO] checking ensicoin-simon-0.1.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[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 f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prost-derive v0.5.0
[INFO] [stderr]   Downloaded tower-layer v0.1.0
[INFO] [stderr]   Downloaded tower-service v0.2.0
[INFO] [stderr]   Downloaded tower-util v0.1.0
[INFO] [stderr]   Downloaded ensicoin_messages v0.7.4
[INFO] [stderr]   Downloaded tower-grpc-build v0.1.0
[INFO] [stderr]   Downloaded tower-grpc v0.1.0
[INFO] [stderr]   Downloaded multimap v0.4.0
[INFO] [stderr]   Downloaded sha2 v0.8.0
[INFO] [stderr]   Downloaded prost-types v0.5.0
[INFO] [stderr]   Downloaded tower-hyper v0.1.1
[INFO] [stderr]   Downloaded tower-request-modifier v0.1.0
[INFO] [stderr]   Downloaded simplelog v0.7.1
[INFO] [stderr]   Downloaded prost v0.5.0
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[INFO] [stderr]   Downloaded tower-http-util v0.1.0
[INFO] [stderr]   Downloaded prost-build v0.5.0
[INFO] [stderr]   Downloaded codegen v0.1.1
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dacb58a58d81d17dcc5933f08360f5c7bee3a580871967b0e2fa8ff03e4485f7
[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" "dacb58a58d81d17dcc5933f08360f5c7bee3a580871967b0e2fa8ff03e4485f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dacb58a58d81d17dcc5933f08360f5c7bee3a580871967b0e2fa8ff03e4485f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dacb58a58d81d17dcc5933f08360f5c7bee3a580871967b0e2fa8ff03e4485f7", kill_on_drop: false }`
[INFO] [stdout] dacb58a58d81d17dcc5933f08360f5c7bee3a580871967b0e2fa8ff03e4485f7
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf097bb469901e01e000fb794f5bfa7694d5b8bcf92a8a4b85cdb4444963732f
[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" "bf097bb469901e01e000fb794f5bfa7694d5b8bcf92a8a4b85cdb4444963732f", kill_on_drop: false }`
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[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking ensicoin_serializer v2.0.9
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[INFO] [stderr]    Compiling failure v0.1.5
[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 http-body v0.1.0
[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 tower-http-util v0.1.0
[INFO] [stderr]    Compiling ensicoin_serializer_derive v0.2.7
[INFO] [stderr]     Checking ensicoin_messages v0.7.4
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]     Checking tower-grpc v0.1.0
[INFO] [stderr]    Compiling prost-types v0.5.0
[INFO] [stderr]     Checking tower-hyper v0.1.1
[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>::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 30s
[INFO] running `Command { std: "docker" "inspect" "bf097bb469901e01e000fb794f5bfa7694d5b8bcf92a8a4b85cdb4444963732f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf097bb469901e01e000fb794f5bfa7694d5b8bcf92a8a4b85cdb4444963732f", kill_on_drop: false }`
[INFO] [stdout] bf097bb469901e01e000fb794f5bfa7694d5b8bcf92a8a4b85cdb4444963732f