[INFO] fetching crate tx_builder 0.1.0...
[INFO] checking tx_builder-0.1.0 against 69bccf03c4733f57482f9691456efcd80f86a5f6 for pr-164053
[INFO] extracting crate tx_builder 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate tx_builder 0.1.0
[INFO] finished tweaking crates.io crate tx_builder 0.1.0
[INFO] tweaked toml for crates.io crate tx_builder 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tx_builder 0.1.0 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_builder 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" "+69bccf03c4733f57482f9691456efcd80f86a5f6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-wasm-bindgen v0.4.5
[INFO] [stderr]   Downloaded noop_proc_macro v0.3.0
[INFO] [stderr]   Downloaded ed25519-bip32 v0.4.1
[INFO] [stderr]   Downloaded clear_on_drop v0.2.5
[INFO] [stderr]   Downloaded cbor_event v2.4.0
[INFO] [stderr]   Downloaded cardano-serialization-lib v15.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2c326cf368a8c3e5ae6dba469acecb3898619adf299ed7d2fab43ea60cc6ff12
[INFO] running `Command { std: "docker" "start" "2c326cf368a8c3e5ae6dba469acecb3898619adf299ed7d2fab43ea60cc6ff12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c326cf368a8c3e5ae6dba469acecb3898619adf299ed7d2fab43ea60cc6ff12", 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" "2c326cf368a8c3e5ae6dba469acecb3898619adf299ed7d2fab43ea60cc6ff12" "/opt/rustwide/cargo-home/bin/cargo" "+69bccf03c4733f57482f9691456efcd80f86a5f6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c326cf368a8c3e5ae6dba469acecb3898619adf299ed7d2fab43ea60cc6ff12", 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" "2c326cf368a8c3e5ae6dba469acecb3898619adf299ed7d2fab43ea60cc6ff12" "/opt/rustwide/cargo-home/bin/cargo" "+69bccf03c4733f57482f9691456efcd80f86a5f6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]     Checking typenum v1.20.0
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling cc v1.2.62
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]    Compiling schemars v0.8.22
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking dyn-clone v1.0.20
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking ed25519-bip32 v0.4.1
[INFO] [stderr]     Checking cbor_event v2.4.0
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]     Checking bech32 v0.7.3
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]    Compiling clear_on_drop v0.2.5
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking generic-array v0.14.9
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling schemars_derive v0.8.22
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.6
[INFO] [stderr]     Checking hashlink v0.9.1
[INFO] [stderr]     Checking cardano-serialization-lib v15.0.3
[INFO] [stderr]     Checking tx_builder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.19s
[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 2`
[INFO] running `Command { std: "docker" "inspect" "2c326cf368a8c3e5ae6dba469acecb3898619adf299ed7d2fab43ea60cc6ff12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c326cf368a8c3e5ae6dba469acecb3898619adf299ed7d2fab43ea60cc6ff12", kill_on_drop: false }`
[INFO] [stdout] 2c326cf368a8c3e5ae6dba469acecb3898619adf299ed7d2fab43ea60cc6ff12