[INFO] fetching crate tx-bakery-ogmios 2.0.2-alpha...
[INFO] checking tx-bakery-ogmios-2.0.2-alpha against 69bccf03c4733f57482f9691456efcd80f86a5f6 for pr-164053
[INFO] extracting crate tx-bakery-ogmios 2.0.2-alpha into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate tx-bakery-ogmios 2.0.2-alpha
[INFO] finished tweaking crates.io crate tx-bakery-ogmios 2.0.2-alpha
[INFO] tweaked toml for crates.io crate tx-bakery-ogmios 2.0.2-alpha written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tx-bakery-ogmios 2.0.2-alpha on toolchain 69bccf03c4733f57482f9691456efcd80f86a5f6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+69bccf03c4733f57482f9691456efcd80f86a5f6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tx-bakery-ogmios 2.0.2-alpha 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" "+69bccf03c4733f57482f9691456efcd80f86a5f6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lbr-prelude-derive v0.1.1
[INFO] [stderr]   Downloaded tx-bakery v2.0.2-alpha
[INFO] [stderr]   Downloaded plutus-ledger-api v3.1.0
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[INFO] [stderr]   Downloaded ed25519-bip32 v0.4.1
[INFO] [stderr]   Downloaded jsonrpsee-types v0.22.5
[INFO] [stderr]   Downloaded clear_on_drop v0.2.5
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[INFO] [stderr]   Downloaded dissimilar v1.0.10
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[INFO] [stderr]   Downloaded jsonrpsee-core v0.22.5
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[INFO] [stderr]   Downloaded syn v2.0.107
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[INFO] [stderr]   Downloaded jsonrpsee-proc-macros v0.22.5
[INFO] [stderr]   Downloaded cardano-serialization-lib v15.0.1
[INFO] [stderr]   Downloaded assertables v7.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b48a08655303f1a67df8fb1632d7c6afef3113bbad98b1d6e00e5cb3f80bd143
[INFO] running `Command { std: "docker" "start" "b48a08655303f1a67df8fb1632d7c6afef3113bbad98b1d6e00e5cb3f80bd143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b48a08655303f1a67df8fb1632d7c6afef3113bbad98b1d6e00e5cb3f80bd143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b48a08655303f1a67df8fb1632d7c6afef3113bbad98b1d6e00e5cb3f80bd143" "/opt/rustwide/cargo-home/bin/cargo" "+69bccf03c4733f57482f9691456efcd80f86a5f6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b48a08655303f1a67df8fb1632d7c6afef3113bbad98b1d6e00e5cb3f80bd143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b48a08655303f1a67df8fb1632d7c6afef3113bbad98b1d6e00e5cb3f80bd143" "/opt/rustwide/cargo-home/bin/cargo" "+69bccf03c4733f57482f9691456efcd80f86a5f6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking tx-bakery v2.0.2-alpha
[INFO] [stderr]     Checking tx-bakery-ogmios v2.0.2-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `NextTransactionResponse` is never used
[INFO] [stdout]    --> src/api.rs:481:17
[INFO] [stdout]     |
[INFO] [stdout] 481 | pub(crate) enum NextTransactionResponse {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `NextTransactionResponse` is never used
[INFO] [stdout]    --> src/api.rs:481:17
[INFO] [stdout]     |
[INFO] [stdout] 481 | pub(crate) enum NextTransactionResponse {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `nix`
[INFO] [stderr]   --> Cargo.toml:29:15
[INFO] [stderr]    |
[INFO] [stderr] 29 | [dependencies.nix]
[INFO] [stderr]    |               ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `nix`
[INFO] [stderr] warning: `tx-bakery-ogmios` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rand_core v0.4.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 7`
[INFO] running `Command { std: "docker" "inspect" "b48a08655303f1a67df8fb1632d7c6afef3113bbad98b1d6e00e5cb3f80bd143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b48a08655303f1a67df8fb1632d7c6afef3113bbad98b1d6e00e5cb3f80bd143", kill_on_drop: false }`
[INFO] [stdout] b48a08655303f1a67df8fb1632d7c6afef3113bbad98b1d6e00e5cb3f80bd143