[INFO] cloning repository https://github.com/boymaas/c2n
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/boymaas/c2n" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboymaas%2Fc2n", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboymaas%2Fc2n'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d44f998486ef9f1c8893e91e55417964894cd91f
[INFO] checking boymaas/c2n/d44f998486ef9f1c8893e91e55417964894cd91f against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboymaas%2Fc2n" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/boymaas/c2n on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/boymaas/c2n
[INFO] finished tweaking git repo https://github.com/boymaas/c2n
[INFO] tweaked toml for git repo https://github.com/boymaas/c2n written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/boymaas/c2n 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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3df40d75d9d45acba921316dbfe662af3b4d60494b5e98178323ad56e05f9236
[INFO] running `Command { std: "docker" "start" "-a" "3df40d75d9d45acba921316dbfe662af3b4d60494b5e98178323ad56e05f9236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3df40d75d9d45acba921316dbfe662af3b4d60494b5e98178323ad56e05f9236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3df40d75d9d45acba921316dbfe662af3b4d60494b5e98178323ad56e05f9236", kill_on_drop: false }`
[INFO] [stdout] 3df40d75d9d45acba921316dbfe662af3b4d60494b5e98178323ad56e05f9236
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea681420121be55659967ff7759e04f06f28a0034f1d82b1595652317c8449fd
[INFO] running `Command { std: "docker" "start" "-a" "ea681420121be55659967ff7759e04f06f28a0034f1d82b1595652317c8449fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling generic-array v0.14.7
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[INFO] [stderr]     Checking byteorder v1.5.0
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[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling data-encoding v2.6.0
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[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking c2n v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `FuturesOrdered` and `node_events::NodeEvent`
[INFO] [stdout]  --> src/simulation_executor.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 |   crate::{node::SimulatableNode, node_events::NodeEvent},
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 3 |   futures::{
[INFO] [stdout] 4 |     stream::{FuturesOrdered, FuturesUnordered},
[INFO] [stdout]   |              ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FuturesOrdered` and `node_events::NodeEvent`
[INFO] [stdout]  --> src/simulation_executor.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 |   crate::{node::SimulatableNode, node_events::NodeEvent},
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 3 |   futures::{
[INFO] [stdout] 4 |     stream::{FuturesOrdered, FuturesUnordered},
[INFO] [stdout]   |              ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer_id`
[INFO] [stdout]   --> src/network/memory.rs:47:28
[INFO] [stdout]    |
[INFO] [stdout] 47 |   fn disconnect(&mut self, peer_id: PeerId) -> NetworkResult<()> {
[INFO] [stdout]    |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer_id`
[INFO] [stdout]   --> src/network/memory.rs:47:28
[INFO] [stdout]    |
[INFO] [stdout] 47 |   fn disconnect(&mut self, peer_id: PeerId) -> NetworkResult<()> {
[INFO] [stdout]    |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rng` is never read
[INFO] [stdout]    --> src/network/sim.rs:236:3
[INFO] [stdout]     |
[INFO] [stdout] 235 | pub struct SimNetworkClient<R> {
[INFO] [stdout]     |            ---------------- field in this struct
[INFO] [stdout] 236 |   rng: R,
[INFO] [stdout]     |   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rng` is never read
[INFO] [stdout]   --> src/storage/sim.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct SimStorage<R> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 11 |   rng: R,
[INFO] [stdout]    |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/node.rs:144:11
[INFO] [stdout]     |
[INFO] [stdout] 144 |           self.network.disconnect(peer_id);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 144 |           let _ = self.network.disconnect(peer_id);
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rng` is never read
[INFO] [stdout]    --> src/network/sim.rs:236:3
[INFO] [stdout]     |
[INFO] [stdout] 235 | pub struct SimNetworkClient<R> {
[INFO] [stdout]     |            ---------------- field in this struct
[INFO] [stdout] 236 |   rng: R,
[INFO] [stdout]     |   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking c2n-simulator v0.1.0 (/opt/rustwide/workdir/simulator)
[INFO] [stdout] warning: field `rng` is never read
[INFO] [stdout]   --> src/storage/sim.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct SimStorage<R> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 11 |   rng: R,
[INFO] [stdout]    |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/node.rs:144:11
[INFO] [stdout]     |
[INFO] [stdout] 144 |           self.network.disconnect(peer_id);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 144 |           let _ = self.network.disconnect(peer_id);
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking c2n-visualizer v0.1.0 (/opt/rustwide/workdir/visualizer)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.03s
[INFO] running `Command { std: "docker" "inspect" "ea681420121be55659967ff7759e04f06f28a0034f1d82b1595652317c8449fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea681420121be55659967ff7759e04f06f28a0034f1d82b1595652317c8449fd", kill_on_drop: false }`
[INFO] [stdout] ea681420121be55659967ff7759e04f06f28a0034f1d82b1595652317c8449fd