[INFO] fetching crate shadow-load-testing 0.1.0...
[INFO] checking shadow-load-testing-0.1.0 against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508-1
[INFO] extracting crate shadow-load-testing 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate shadow-load-testing 0.1.0
[INFO] finished tweaking crates.io crate shadow-load-testing 0.1.0
[INFO] tweaked toml for crates.io crate shadow-load-testing 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shadow-load-testing 0.1.0 on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate shadow-load-testing 0.1.0 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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed4bbaae8c53d5fdbddb9d4551cb4080dce583a215dd32ecf8ec8bebd334aef3
[INFO] running `Command { std: "docker" "start" "-a" "ed4bbaae8c53d5fdbddb9d4551cb4080dce583a215dd32ecf8ec8bebd334aef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed4bbaae8c53d5fdbddb9d4551cb4080dce583a215dd32ecf8ec8bebd334aef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed4bbaae8c53d5fdbddb9d4551cb4080dce583a215dd32ecf8ec8bebd334aef3", kill_on_drop: false }`
[INFO] [stdout] ed4bbaae8c53d5fdbddb9d4551cb4080dce583a215dd32ecf8ec8bebd334aef3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3672d90562050ac5c5e2878a6f1ba1b223ade2568d44fb6a2d2784d735e24d64
[INFO] running `Command { std: "docker" "start" "-a" "3672d90562050ac5c5e2878a6f1ba1b223ade2568d44fb6a2d2784d735e24d64", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/swarm.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 |             .map(|i| {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `swarm`
[INFO] [stdout]   --> src/stress.rs:65:30
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn stress_dht_operations(swarm: &VirtualSwarm, ops: usize) -> bool {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_swarm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `churn_rounds`
[INFO] [stdout]    --> src/stress.rs:218:52
[INFO] [stdout]     |
[INFO] [stdout] 218 | pub fn stress_replication_churn(peer_count: usize, churn_rounds: usize) -> bool {
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_churn_rounds`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/swarm.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 |             .map(|i| {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `swarm`
[INFO] [stdout]   --> src/stress.rs:65:30
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn stress_dht_operations(swarm: &VirtualSwarm, ops: usize) -> bool {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_swarm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `churn_rounds`
[INFO] [stdout]    --> src/stress.rs:218:52
[INFO] [stdout]     |
[INFO] [stdout] 218 | pub fn stress_replication_churn(peer_count: usize, churn_rounds: usize) -> bool {
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_churn_rounds`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 07s
[INFO] running `Command { std: "docker" "inspect" "3672d90562050ac5c5e2878a6f1ba1b223ade2568d44fb6a2d2784d735e24d64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3672d90562050ac5c5e2878a6f1ba1b223ade2568d44fb6a2d2784d735e24d64", kill_on_drop: false }`
[INFO] [stdout] 3672d90562050ac5c5e2878a6f1ba1b223ade2568d44fb6a2d2784d735e24d64
