[INFO] cloning repository https://github.com/bparli/convey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bparli/convey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbparli%2Fconvey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbparli%2Fconvey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54297baac65b954e8ac4082642da5cb92d61ece1
[INFO] checking bparli/convey against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbparli%2Fconvey" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bparli/convey on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bparli/convey
[INFO] finished tweaking git repo https://github.com/bparli/convey
[INFO] tweaked toml for git repo https://github.com/bparli/convey written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/bparli/convey already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/bparli/rust-hash-ring`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8accf110b7df9ea6a23f7a0b01b9253bc839511a39f22c9eceb74db5d2e9e22
[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" "c8accf110b7df9ea6a23f7a0b01b9253bc839511a39f22c9eceb74db5d2e9e22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8accf110b7df9ea6a23f7a0b01b9253bc839511a39f22c9eceb74db5d2e9e22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8accf110b7df9ea6a23f7a0b01b9253bc839511a39f22c9eceb74db5d2e9e22", kill_on_drop: false }`
[INFO] [stdout] c8accf110b7df9ea6a23f7a0b01b9253bc839511a39f22c9eceb74db5d2e9e22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae52b584e20961316ede2ae068e3ccb609dc27a5c77db174ea170caad131d344
[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" "ae52b584e20961316ede2ae068e3ccb609dc27a5c77db174ea170caad131d344", kill_on_drop: false }`
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[INFO] [stderr]    Compiling rand_isaac v0.1.1
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[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking pnet_sys v0.27.2
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[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_os v0.1.3
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[INFO] [stderr]    Compiling mime_guess v2.0.3
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[INFO] [stderr]     Checking inotify v0.7.1
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[INFO] [stderr]    Compiling phf v0.7.24
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[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking url v1.7.2
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[INFO] [stderr]     Checking rand v0.7.3
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[INFO] [stderr]     Checking env_logger v0.8.2
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[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking hash_ring v0.1.7 (https://github.com/bparli/rust-hash-ring?branch=derive-clone-hashring#02ace9eb)
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[INFO] [stderr]     Checking router v0.6.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
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[INFO] [stderr]    Compiling futures-macro v0.3.8
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[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]     Checking async-stream v0.3.0
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.27.2
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking tokio-stream v0.1.0
[INFO] [stderr]     Checking tokio-util v0.6.0
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking h2 v0.3.0
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]    Compiling pnet_packet v0.27.2
[INFO] [stderr]     Checking ipnetwork v0.17.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking ipnetwork v0.16.0
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking pnet_datalink v0.27.2
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking hyper v0.14.2
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.10
[INFO] [stderr]     Checking pnet_transport v0.27.2
[INFO] [stderr]     Checking convey v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `pnet::packet::ip::IpNextHeaderProtocols`
[INFO] [stdout]  --> src/passthrough/utils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pnet::packet::ip::IpNextHeaderProtocols;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pnet::packet::ipv4::MutableIpv4Packet`
[INFO] [stdout]  --> src/passthrough/utils.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pnet::packet::ipv4::MutableIpv4Packet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pnet::packet::tcp::MutableTcpPacket`
[INFO] [stdout]  --> src/passthrough/utils.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use pnet::packet::tcp::MutableTcpPacket;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Packet`, `tcp`
[INFO] [stdout]  --> src/passthrough/utils.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | use pnet::packet::{tcp, Packet};
[INFO] [stdout]   |                    ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `servers_dist` is never read
[INFO] [stdout]   --> src/proxy/backend.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let mut servers_dist = None;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TCP_HEADER_LEN`
[INFO] [stdout]   --> src/passthrough/utils.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const TCP_HEADER_LEN: usize = 32;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `servers_dist` is never read
[INFO] [stdout]   --> src/proxy/backend.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let mut servers_dist = None;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 35s
[INFO] running `Command { std: "docker" "inspect" "ae52b584e20961316ede2ae068e3ccb609dc27a5c77db174ea170caad131d344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae52b584e20961316ede2ae068e3ccb609dc27a5c77db174ea170caad131d344", kill_on_drop: false }`
[INFO] [stdout] ae52b584e20961316ede2ae068e3ccb609dc27a5c77db174ea170caad131d344