[INFO] cloning repository https://github.com/atkak/toy-webrtc-signaling
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/atkak/toy-webrtc-signaling" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatkak%2Ftoy-webrtc-signaling", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatkak%2Ftoy-webrtc-signaling'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b38084af755432984a843443c4b2573ab43d8cd
[INFO] checking atkak/toy-webrtc-signaling against try#c86ec274072509d26d0ee52682a0c94ed012ed89 for pr-153027
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatkak%2Ftoy-webrtc-signaling" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/atkak/toy-webrtc-signaling
[INFO] finished tweaking git repo https://github.com/atkak/toy-webrtc-signaling
[INFO] tweaked toml for git repo https://github.com/atkak/toy-webrtc-signaling written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/atkak/toy-webrtc-signaling on toolchain c86ec274072509d26d0ee52682a0c94ed012ed89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/atkak/toy-webrtc-signaling 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" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "fetch" "--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
[ERROR] error running command: no output for 300 seconds
[INFO] checking atkak/toy-webrtc-signaling against try#c86ec274072509d26d0ee52682a0c94ed012ed89 for pr-153027
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatkak%2Ftoy-webrtc-signaling" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/atkak/toy-webrtc-signaling
[INFO] finished tweaking git repo https://github.com/atkak/toy-webrtc-signaling
[INFO] tweaked toml for git repo https://github.com/atkak/toy-webrtc-signaling written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/atkak/toy-webrtc-signaling on toolchain c86ec274072509d26d0ee52682a0c94ed012ed89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/atkak/toy-webrtc-signaling 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" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "fetch" "--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] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5089352f21a908217f9cb13cf65cb8c7b31e5b5df2d97d750286c62b9458852
[INFO] running `Command { std: "docker" "start" "-a" "d5089352f21a908217f9cb13cf65cb8c7b31e5b5df2d97d750286c62b9458852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5089352f21a908217f9cb13cf65cb8c7b31e5b5df2d97d750286c62b9458852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5089352f21a908217f9cb13cf65cb8c7b31e5b5df2d97d750286c62b9458852", kill_on_drop: false }`
[INFO] [stdout] d5089352f21a908217f9cb13cf65cb8c7b31e5b5df2d97d750286c62b9458852
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e85ce2f5e199a30cd863ef23e84cf606a15caf9b77a19b24b92f82d18782993
[INFO] running `Command { std: "docker" "start" "-a" "2e85ce2f5e199a30cd863ef23e84cf606a15caf9b77a19b24b92f82d18782993", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
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[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
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[INFO] [stderr]     Checking actix-web-actors v3.0.0
[INFO] [stderr]     Checking toy-webrtc-signaling v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `NoMembers` is never constructed
[INFO] [stdout]    --> src/signaling/exchange.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 147 | enum IceCandidateExchangeMessage {
[INFO] [stdout]     |      --------------------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 153 |     NoMembers,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IceCandidateExchangeMessage` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `addr` is never read
[INFO] [stdout]   --> src/signaling/join.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     Leave {
[INFO] [stdout]    |     ----- field in this variant
[INFO] [stdout] 42 |         username: String,
[INFO] [stdout] 43 |         addr: Addr<ClientSession>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RoomJoinMessage` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Header` is never constructed
[INFO] [stdout]  --> src/stun.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Header {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_bytes` is never used
[INFO] [stdout]  --> src/stun.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl Header {
[INFO] [stdout]   | ----------- method in this implementation
[INFO] [stdout] 8 |     pub fn to_bytes(&self) -> Vec<u8> {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MsgType` is never constructed
[INFO] [stdout]   --> src/stun.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct MsgType {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_bytes` is never used
[INFO] [stdout]   --> src/stun.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl MsgType {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 26 |     pub fn to_bytes(&self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Method` is never constructed
[INFO] [stdout]   --> src/stun.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct Method(u16);
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `BINDING` is never used
[INFO] [stdout]   --> src/stun.rs:46:15
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl Method {
[INFO] [stdout]    | ----------- associated constant in this implementation
[INFO] [stdout] 46 |     pub const BINDING: Self = Self(0b000000000001);
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Class` is never constructed
[INFO] [stdout]   --> src/stun.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct Class(u8);
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constants `REQUEST`, `INDICATION`, `SUCCESS_RESPONSE`, and `ERROR_RESPONSE` are never used
[INFO] [stdout]   --> src/stun.rs:52:15
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl Class {
[INFO] [stdout]    | ---------- associated constants in this implementation
[INFO] [stdout] 52 |     pub const REQUEST: Self = Self(0b00);
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 53 |     pub const INDICATION: Self = Self(0b01);
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 54 |     pub const SUCCESS_RESPONSE: Self = Self(0b10);
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 55 |     pub const ERROR_RESPONSE: Self = Self(0b11);
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAGIC_COOKIE` is never used
[INFO] [stdout]   --> src/stun.rs:58:7
[INFO] [stdout]    |
[INFO] [stdout] 58 | const MAGIC_COOKIE: u32 = 0x2112A442;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TransactionId` is never constructed
[INFO] [stdout]   --> src/stun.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct TransactionId {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_bytes` is never used
[INFO] [stdout]   --> src/stun.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 64 | impl TransactionId {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 65 |     pub fn to_bytes(&self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NoMembers` is never constructed
[INFO] [stdout]    --> src/signaling/exchange.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 147 | enum IceCandidateExchangeMessage {
[INFO] [stdout]     |      --------------------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 153 |     NoMembers,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IceCandidateExchangeMessage` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `addr` is never read
[INFO] [stdout]   --> src/signaling/join.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     Leave {
[INFO] [stdout]    |     ----- field in this variant
[INFO] [stdout] 42 |         username: String,
[INFO] [stdout] 43 |         addr: Addr<ClientSession>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RoomJoinMessage` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constants `REQUEST`, `INDICATION`, and `SUCCESS_RESPONSE` are never used
[INFO] [stdout]   --> src/stun.rs:52:15
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl Class {
[INFO] [stdout]    | ---------- associated constants in this implementation
[INFO] [stdout] 52 |     pub const REQUEST: Self = Self(0b00);
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 53 |     pub const INDICATION: Self = Self(0b01);
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 54 |     pub const SUCCESS_RESPONSE: Self = Self(0b10);
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[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" "2e85ce2f5e199a30cd863ef23e84cf606a15caf9b77a19b24b92f82d18782993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e85ce2f5e199a30cd863ef23e84cf606a15caf9b77a19b24b92f82d18782993", kill_on_drop: false }`
[INFO] [stdout] 2e85ce2f5e199a30cd863ef23e84cf606a15caf9b77a19b24b92f82d18782993
