[INFO] cloning repository https://github.com/varesa/rs-network-stack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/varesa/rs-network-stack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaresa%2Frs-network-stack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaresa%2Frs-network-stack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48d0cc59118c19121ae62a7a08e01ea891efd3d1
[INFO] checking varesa/rs-network-stack against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaresa%2Frs-network-stack" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/varesa/rs-network-stack on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-9/source/.cargo/config
[INFO] started tweaking git repo https://github.com/varesa/rs-network-stack
[INFO] finished tweaking git repo https://github.com/varesa/rs-network-stack
[INFO] tweaked toml for git repo https://github.com/varesa/rs-network-stack written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/varesa/rs-network-stack already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded netdevice v0.1.1
[INFO] [stderr]   Downloaded internet-checksum v0.2.0
[INFO] [stderr]   Downloaded network_bridge v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8dc05f9c5cfe1276ebc6c5ed86992c73391063357be665370dffc1bef227eee
[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" "b8dc05f9c5cfe1276ebc6c5ed86992c73391063357be665370dffc1bef227eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8dc05f9c5cfe1276ebc6c5ed86992c73391063357be665370dffc1bef227eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8dc05f9c5cfe1276ebc6c5ed86992c73391063357be665370dffc1bef227eee", kill_on_drop: false }`
[INFO] [stdout] b8dc05f9c5cfe1276ebc6c5ed86992c73391063357be665370dffc1bef227eee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7b50bcb61f7dd52f1c4fe0f5faa5df146abb21b6c04bcbc550e7c6dfdd4aed4
[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" "f7b50bcb61f7dd52f1c4fe0f5faa5df146abb21b6c04bcbc550e7c6dfdd4aed4", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
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[INFO] [stderr]     Checking futures v0.1.30
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]     Checking scoped-tls v0.1.2
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[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]     Checking lock_api v0.3.4
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]    Compiling parking_lot_core v0.6.2
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[INFO] [stderr]    Compiling tun-tap v0.1.2
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[INFO] [stderr]     Checking tokio-io v0.1.13
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[INFO] [stderr]     Checking tokio-udp v0.1.6
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[INFO] [stderr]     Checking network_bridge v0.1.1
[INFO] [stderr]     Checking rs-network-stack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `my_protocol_address`
[INFO] [stdout]   --> src/net.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     my_protocol_address: &ProtocolAddress<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_protocol_address`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `echo_request`
[INFO] [stdout]   --> src/net.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     echo_request: &mut IcmpPacket<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_echo_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `send`
[INFO] [stdout]   --> src/net.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     mut send: F
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/net.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     mut send: F
[INFO] [stdout]    |     ----^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `my_protocol_address`
[INFO] [stdout]   --> src/net.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     my_protocol_address: &ProtocolAddress<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_protocol_address`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `echo_request`
[INFO] [stdout]   --> src/net.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     echo_request: &mut IcmpPacket<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_echo_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `send`
[INFO] [stdout]   --> src/net.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     mut send: F
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/net.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     mut send: F
[INFO] [stdout]    |     ----^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reply_ping`
[INFO] [stdout]   --> src/net.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn reply_ping<'a, F> (
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `options`
[INFO] [stdout]    --> src/protocols/ipv4.rs:161:5
[INFO] [stdout]     |
[INFO] [stdout] 161 |     options: Option<&'a mut [u8]>
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |         panic!(format!("Usage: {} <bridge name>", args.get(0).unwrap()));
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 16 |         panic!("Usage: {} <bridge name>", args.get(0).unwrap());
[INFO] [stdout]    |               --                                             --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reply_ping`
[INFO] [stdout]   --> src/net.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn reply_ping<'a, F> (
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `options`
[INFO] [stdout]    --> src/protocols/ipv4.rs:161:5
[INFO] [stdout]     |
[INFO] [stdout] 161 |     options: Option<&'a mut [u8]>
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |         panic!(format!("Usage: {} <bridge name>", args.get(0).unwrap()));
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 16 |         panic!("Usage: {} <bridge name>", args.get(0).unwrap());
[INFO] [stdout]    |               --                                             --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.15s
[INFO] running `Command { std: "docker" "inspect" "f7b50bcb61f7dd52f1c4fe0f5faa5df146abb21b6c04bcbc550e7c6dfdd4aed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7b50bcb61f7dd52f1c4fe0f5faa5df146abb21b6c04bcbc550e7c6dfdd4aed4", kill_on_drop: false }`
[INFO] [stdout] f7b50bcb61f7dd52f1c4fe0f5faa5df146abb21b6c04bcbc550e7c6dfdd4aed4