[INFO] updating cached repository https://github.com/Bluheir/cacophoney-lib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 159a3dcba195974b34727ce9a611f5987887e95e
[INFO] checking Bluheir/cacophoney-lib/159a3dcba195974b34727ce9a611f5987887e95e against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBluheir%2Fcacophoney-lib" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Bluheir/cacophoney-lib on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Bluheir/cacophoney-lib
[INFO] finished tweaking git repo https://github.com/Bluheir/cacophoney-lib
[INFO] tweaked toml for git repo https://github.com/Bluheir/cacophoney-lib written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Bluheir/cacophoney-lib 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 226c35e46c436afe0b96c505f0e0f82bcf0e5b075a6abfeb8929093a5f0d765e
[INFO] running `Command { std: "docker" "start" "-a" "226c35e46c436afe0b96c505f0e0f82bcf0e5b075a6abfeb8929093a5f0d765e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "226c35e46c436afe0b96c505f0e0f82bcf0e5b075a6abfeb8929093a5f0d765e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "226c35e46c436afe0b96c505f0e0f82bcf0e5b075a6abfeb8929093a5f0d765e", kill_on_drop: false }`
[INFO] [stdout] 226c35e46c436afe0b96c505f0e0f82bcf0e5b075a6abfeb8929093a5f0d765e
[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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95d8946cde96eb45133389219ececc50206a76739aaf234e1bdc71a0028759e8
[INFO] running `Command { std: "docker" "start" "-a" "95d8946cde96eb45133389219ececc50206a76739aaf234e1bdc71a0028759e8", kill_on_drop: false }`
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[INFO] [stdout] warning: fields `notify`, `notify_recv`, and `stream_opener` are never read
[INFO] [stdout]   --> src/mock/mod.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct MockConnection {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 26 |     notify: MockNotify,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 27 |     notify_recv: mpsc::Receiver<KeyTriad<SignedData>>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 28 |     stream_opener: mpsc::Sender<(PublicKey, MockWrite, MockRead)>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `notify`, `notify_recv`, and `stream_opener` are never read
[INFO] [stdout]   --> src/mock/mod.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct MockConnection {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 26 |     notify: MockNotify,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 27 |     notify_recv: mpsc::Receiver<KeyTriad<SignedData>>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 28 |     stream_opener: mpsc::Sender<(PublicKey, MockWrite, MockRead)>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.43s
[INFO] running `Command { std: "docker" "inspect" "95d8946cde96eb45133389219ececc50206a76739aaf234e1bdc71a0028759e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95d8946cde96eb45133389219ececc50206a76739aaf234e1bdc71a0028759e8", kill_on_drop: false }`
[INFO] [stdout] 95d8946cde96eb45133389219ececc50206a76739aaf234e1bdc71a0028759e8