[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#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsampalekos96%2Fsnapfaas" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sampalekos96/snapfaas on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-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-5-tc1/source/Cargo.toml
[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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "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]  Downloading crates ...
[INFO] [stderr]   Downloaded treediff v3.0.2
[INFO] [stderr]   Downloaded ctrlc v3.2.3
[INFO] [stderr]   Downloaded derive_more v0.14.1
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[INFO] [stderr]   Downloaded epoll v4.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa1e28d1cc64afdca9381513a54777472f8c3d8440cd4a0f08fc6bc9b6bdefae
[INFO] running `Command { std: "docker" "start" "-a" "aa1e28d1cc64afdca9381513a54777472f8c3d8440cd4a0f08fc6bc9b6bdefae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa1e28d1cc64afdca9381513a54777472f8c3d8440cd4a0f08fc6bc9b6bdefae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa1e28d1cc64afdca9381513a54777472f8c3d8440cd4a0f08fc6bc9b6bdefae", kill_on_drop: false }`
[INFO] [stdout] aa1e28d1cc64afdca9381513a54777472f8c3d8440cd4a0f08fc6bc9b6bdefae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24fc81a743def7fce4643e3b2d0132dba65d7ca305ce915e40da795b299b9fa8
[INFO] running `Command { std: "docker" "start" "-a" "24fc81a743def7fce4643e3b2d0132dba65d7ca305ce915e40da795b299b9fa8", kill_on_drop: false }`
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[INFO] [stderr]     Checking brotli v3.3.4
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[INFO] [stderr]    Compiling tokio-macros v1.8.0
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[INFO] [stderr]    Compiling snapfaas v0.1.0 (/opt/rustwide/workdir/snapfaas)
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[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)]` 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)]` 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] [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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.56s
[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 1`
[INFO] running `Command { std: "docker" "inspect" "24fc81a743def7fce4643e3b2d0132dba65d7ca305ce915e40da795b299b9fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24fc81a743def7fce4643e3b2d0132dba65d7ca305ce915e40da795b299b9fa8", kill_on_drop: false }`
[INFO] [stdout] 24fc81a743def7fce4643e3b2d0132dba65d7ca305ce915e40da795b299b9fa8