[INFO] cloning repository https://github.com/sampalekos96/snapfaas
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sampalekos96/snapfaas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsampalekos96%2Fsnapfaas", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsampalekos96%2Fsnapfaas'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a64d151c6d611f3005e58182cf68a419a7771536
[INFO] checking sampalekos96/snapfaas against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsampalekos96%2Fsnapfaas" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/sampalekos96/snapfaas
[INFO] finished tweaking git repo https://github.com/sampalekos96/snapfaas
[INFO] tweaked toml for git repo https://github.com/sampalekos96/snapfaas written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sampalekos96/snapfaas on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sampalekos96/snapfaas already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/princeton-sns/firecracker`
[INFO] [stderr]     Updating git repository `https://github.com/tan-yue/labeled`
[INFO] [stderr]     Updating git repository `https://github.com/princeton-sns/kvm-bindings`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded timerfd v1.3.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a5930e38a531ef5038cccbfa1243e782c895e400aaee1002e717fa4a670069f
[INFO] running `Command { std: "docker" "start" "-a" "3a5930e38a531ef5038cccbfa1243e782c895e400aaee1002e717fa4a670069f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a5930e38a531ef5038cccbfa1243e782c895e400aaee1002e717fa4a670069f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a5930e38a531ef5038cccbfa1243e782c895e400aaee1002e717fa4a670069f", kill_on_drop: false }`
[INFO] [stdout] 3a5930e38a531ef5038cccbfa1243e782c895e400aaee1002e717fa4a670069f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10eb7d664088b78dd8c602ce1c37eb7a7df4abf3192b734f0418e1d6b22de830
[INFO] running `Command { std: "docker" "start" "-a" "10eb7d664088b78dd8c602ce1c37eb7a7df4abf3192b734f0418e1d6b22de830", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.131
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
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[INFO] [stderr]     Checking virtio_gen v0.1.0 (https://github.com/princeton-sns/firecracker?rev=5b64f6a9ee00da992b23c3654fcdb53dd845975f#5b64f6a9)
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[INFO] [stderr]     Checking httpserver v0.1.0 (/opt/rustwide/workdir/frontends/httpserver)
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking brotli v3.3.4
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling prost-derive v0.9.0
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[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling prost v0.9.0
[INFO] [stderr]    Compiling prost-types v0.9.0
[INFO] [stderr]    Compiling snapfaas v0.1.0 (/opt/rustwide/workdir/snapfaas)
[INFO] [stderr]     Checking tokio-util v0.7.3
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[INFO] [stderr]     Checking chrono v0.4.22
[INFO] [stderr]     Checking memory_model v0.1.0 (https://github.com/princeton-sns/firecracker?rev=5b64f6a9ee00da992b23c3654fcdb53dd845975f#5b64f6a9)
[INFO] [stderr]     Checking kvm-bindings v0.1.1 (https://github.com/princeton-sns/kvm-bindings?branch=master#6a54c0ae)
[INFO] [stderr]     Checking net_util v0.1.0 (https://github.com/princeton-sns/firecracker?rev=5b64f6a9ee00da992b23c3654fcdb53dd845975f#5b64f6a9)
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
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[INFO] [stderr]     Checking kvm v0.1.0 (https://github.com/princeton-sns/firecracker?rev=5b64f6a9ee00da992b23c3654fcdb53dd845975f#5b64f6a9)
[INFO] [stderr]     Checking mmds v0.1.0 (https://github.com/princeton-sns/firecracker?rev=5b64f6a9ee00da992b23c3654fcdb53dd845975f#5b64f6a9)
[INFO] [stderr]     Checking rate_limiter v0.1.0 (https://github.com/princeton-sns/firecracker?rev=5b64f6a9ee00da992b23c3654fcdb53dd845975f#5b64f6a9)
[INFO] [stderr]     Checking cpuid v0.1.0 (https://github.com/princeton-sns/firecracker?rev=5b64f6a9ee00da992b23c3654fcdb53dd845975f#5b64f6a9)
[INFO] [stderr]     Checking arch v0.1.0 (https://github.com/princeton-sns/firecracker?rev=5b64f6a9ee00da992b23c3654fcdb53dd845975f#5b64f6a9)
[INFO] [stderr]     Checking dumbo v0.1.0 (https://github.com/princeton-sns/firecracker?rev=5b64f6a9ee00da992b23c3654fcdb53dd845975f#5b64f6a9)
[INFO] [stderr]     Checking rouille v3.5.0
[INFO] [stderr]     Checking hyper v0.14.20
[INFO] [stderr]     Checking devices v0.1.0 (https://github.com/princeton-sns/firecracker?rev=5b64f6a9ee00da992b23c3654fcdb53dd845975f#5b64f6a9)
[INFO] [stderr]     Checking vmm v0.1.0 (https://github.com/princeton-sns/firecracker?rev=5b64f6a9ee00da992b23c3654fcdb53dd845975f#5b64f6a9)
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.11
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> snapfaas/src/vm.rs:163:13
[INFO] [stdout]     |
[INFO] [stdout] 163 |             /// Starting label with public secrecy and integrity has app-name
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 164 |             current_label: DCLabel::new(true, [[function_name.clone()]]),
[INFO] [stdout]     |             ------------------------------------------------------------ rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> snapfaas/src/vm.rs:163:13
[INFO] [stdout]     |
[INFO] [stdout] 163 |             /// Starting label with public secrecy and integrity has app-name
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 164 |             current_label: DCLabel::new(true, [[function_name.clone()]]),
[INFO] [stdout]     |             ------------------------------------------------------------ rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> snapfaas/src/resource_manager.rs:223:21
[INFO] [stdout]     |
[INFO] [stdout] 223 |                     drop(vm); // Just being explicit here, not strictly necessary
[INFO] [stdout]     |                     ^^^^^--^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `&mut vm::Vm`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 223 -                     drop(vm); // Just being explicit here, not strictly necessary
[INFO] [stdout] 223 +                     let _ = vm; // Just being explicit here, not strictly necessary
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking webfront v0.1.0 (/opt/rustwide/workdir/frontends/webfront)
[INFO] [stderr]     Checking webhook v0.1.0 (/opt/rustwide/workdir/frontends/webhook)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> snapfaas/src/resource_manager.rs:223:21
[INFO] [stdout]     |
[INFO] [stdout] 223 |                     drop(vm); // Just being explicit here, not strictly necessary
[INFO] [stdout]     |                     ^^^^^--^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `&mut vm::Vm`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 223 -                     drop(vm); // Just being explicit here, not strictly necessary
[INFO] [stdout] 223 +                     let _ = vm; // Just being explicit here, not strictly necessary
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.18.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "10eb7d664088b78dd8c602ce1c37eb7a7df4abf3192b734f0418e1d6b22de830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10eb7d664088b78dd8c602ce1c37eb7a7df4abf3192b734f0418e1d6b22de830", kill_on_drop: false }`
[INFO] [stdout] 10eb7d664088b78dd8c602ce1c37eb7a7df4abf3192b734f0418e1d6b22de830
