[INFO] cloning repository https://github.com/ViddeM/rtcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ViddeM/rtcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FViddeM%2Frtcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FViddeM%2Frtcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e08aaa6f1b1935bcf284f9e99e0daeabb0e91ddf
[INFO] checking ViddeM/rtcp against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FViddeM%2Frtcp" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ViddeM/rtcp
[INFO] finished tweaking git repo https://github.com/ViddeM/rtcp
[INFO] tweaked toml for git repo https://github.com/ViddeM/rtcp written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ViddeM/rtcp on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ViddeM/rtcp 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 794cc12347b4f095e2c7e2a29540696e02c2735d0ba1d6db240a1058729abd00
[INFO] running `Command { std: "docker" "start" "-a" "794cc12347b4f095e2c7e2a29540696e02c2735d0ba1d6db240a1058729abd00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "794cc12347b4f095e2c7e2a29540696e02c2735d0ba1d6db240a1058729abd00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "794cc12347b4f095e2c7e2a29540696e02c2735d0ba1d6db240a1058729abd00", kill_on_drop: false }`
[INFO] [stdout] 794cc12347b4f095e2c7e2a29540696e02c2735d0ba1d6db240a1058729abd00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d92457872c4ea1737dd688608e48d57f94122f6d4ec3626183a0fb6a826174ba
[INFO] running `Command { std: "docker" "start" "-a" "d92457872c4ea1737dd688608e48d57f94122f6d4ec3626183a0fb6a826174ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling cc v1.2.5
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking pin-project-lite v0.2.15
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.24
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[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking parking_lot v0.9.0
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[INFO] [stderr]    Compiling tun-tap v0.1.4
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tracing-error v0.2.1
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking color-spantrace v0.2.1
[INFO] [stderr]     Checking tokio-reactor v0.1.12
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[INFO] [stderr]     Checking tokio-udp v0.1.6
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[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.18
[INFO] [stderr]     Checking color-eyre v0.6.3
[INFO] [stderr]     Checking rtcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/layers/ip_layer/ipv6/ipv6.rs:102:37
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn generate_response(&self, data: TransportLayer) -> eyre::Result<Self> {
[INFO] [stdout]     |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |     let mut serialized = response
[INFO] [stdout]     |         ----^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `U24` is never used
[INFO] [stdout]  --> src/common/parsing.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type U24 = u32;
[INFO] [stdout]   |          ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_u20` is never used
[INFO] [stdout]   --> src/common/parsing.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn read_u20(buffer: &mut &[u8]) -> Option<U20> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_u24` is never used
[INFO] [stdout]   --> src/common/parsing.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn read_u24(buffer: &mut &[u8]) -> Option<U24> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_syn` is never used
[INFO] [stdout]   --> src/layers/transport_layer/tcp/control_bits.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl ControlBits {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 97 |     pub fn get_syn() -> ControlBits {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `urgent_pointer` is never read
[INFO] [stdout]  --> src/layers/transport_layer/tcp/receive_sequence.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct ReceiveSequence {
[INFO] [stdout]   |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 4 |     pub urgent_pointer: u32, // TODO: Figure out datatype.
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `unacknowledged`, `window`, `urgent_pointer`, `last_window_update_sequence`, `last_window_update_ack`, and `initial_send_sequence` are never read
[INFO] [stdout]   --> src/layers/transport_layer/tcp/send_sequence.rs:5:9
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub struct SendSequence {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout]  5 |     pub unacknowledged: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]  6 |     pub next: u32,
[INFO] [stdout]  7 |     pub window: u16,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]  8 |     pub urgent_pointer: u32, // TODO: Figure out what type this one should have.
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]  9 |     pub last_window_update_sequence: u32, // WL1
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 10 |     pub last_window_update_ack: u32, // WL2
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     pub initial_send_sequence: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SendSequence` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/layers/transport_layer/tcp/states/tcp_state.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum TcpState {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout]  6 |     Listen,
[INFO] [stdout]  7 |     SynSent,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     FinWait1,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 11 |     FinWait2,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 12 |     CloseWait,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 13 |     CLosing,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     LastAck,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 15 |     TimeWait,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `checksum` is never read
[INFO] [stdout]   --> src/layers/transport_layer/tcp/tcp.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct TCP {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub checksum: u16,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TCP` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/layers/ip_layer/ipv6/ipv6.rs:102:37
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn generate_response(&self, data: TransportLayer) -> eyre::Result<Self> {
[INFO] [stdout]     |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |     let mut serialized = response
[INFO] [stdout]     |         ----^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `U24` is never used
[INFO] [stdout]  --> src/common/parsing.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type U24 = u32;
[INFO] [stdout]   |          ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_u20` is never used
[INFO] [stdout]   --> src/common/parsing.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn read_u20(buffer: &mut &[u8]) -> Option<U20> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_u24` is never used
[INFO] [stdout]   --> src/common/parsing.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn read_u24(buffer: &mut &[u8]) -> Option<U24> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_syn` is never used
[INFO] [stdout]   --> src/layers/transport_layer/tcp/control_bits.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl ControlBits {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 97 |     pub fn get_syn() -> ControlBits {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `urgent_pointer` is never read
[INFO] [stdout]  --> src/layers/transport_layer/tcp/receive_sequence.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct ReceiveSequence {
[INFO] [stdout]   |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 4 |     pub urgent_pointer: u32, // TODO: Figure out datatype.
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `unacknowledged`, `window`, `urgent_pointer`, `last_window_update_sequence`, `last_window_update_ack`, and `initial_send_sequence` are never read
[INFO] [stdout]   --> src/layers/transport_layer/tcp/send_sequence.rs:5:9
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub struct SendSequence {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout]  5 |     pub unacknowledged: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]  6 |     pub next: u32,
[INFO] [stdout]  7 |     pub window: u16,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]  8 |     pub urgent_pointer: u32, // TODO: Figure out what type this one should have.
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]  9 |     pub last_window_update_sequence: u32, // WL1
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 10 |     pub last_window_update_ack: u32, // WL2
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     pub initial_send_sequence: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SendSequence` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/layers/transport_layer/tcp/states/tcp_state.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum TcpState {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout]  6 |     Listen,
[INFO] [stdout]  7 |     SynSent,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     FinWait1,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 11 |     FinWait2,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 12 |     CloseWait,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 13 |     CLosing,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     LastAck,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 15 |     TimeWait,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `checksum` is never read
[INFO] [stdout]   --> src/layers/transport_layer/tcp/tcp.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct TCP {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub checksum: u16,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TCP` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.37s
[INFO] running `Command { std: "docker" "inspect" "d92457872c4ea1737dd688608e48d57f94122f6d4ec3626183a0fb6a826174ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d92457872c4ea1737dd688608e48d57f94122f6d4ec3626183a0fb6a826174ba", kill_on_drop: false }`
[INFO] [stdout] d92457872c4ea1737dd688608e48d57f94122f6d4ec3626183a0fb6a826174ba
