[INFO] fetching crate txoutset 0.3.0...
[INFO] checking txoutset-0.3.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate txoutset 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate txoutset 0.3.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate txoutset 0.3.0
[INFO] finished tweaking crates.io crate txoutset 0.3.0
[INFO] tweaked toml for crates.io crate txoutset 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] [stderr]       Adding bech32 v0.10.0-beta (latest: v0.11.0)
[INFO] [stderr]       Adding bitcoin v0.31.2 (latest: v0.32.2)
[INFO] [stderr]       Adding bitcoin-internals v0.2.0 (latest: v0.3.0)
[INFO] [stderr]       Adding bitcoin_hashes v0.13.0 (latest: v0.14.0)
[INFO] [stderr]       Adding hex-conservative v0.1.2 (latest: v0.2.1)
[INFO] [stderr]       Adding secp256k1 v0.28.2 (latest: v0.29.0)
[INFO] [stderr]       Adding secp256k1-sys v0.9.2 (latest: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hex_lit v0.1.1
[INFO] [stderr]   Downloaded bech32 v0.10.0-beta
[INFO] [stderr]   Downloaded bitcoin v0.31.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 915e215e4ac0cd61df434c0a5859aeecdd2b2d7c251ca2c2909b496bc3425f11
[INFO] running `Command { std: "docker" "start" "-a" "915e215e4ac0cd61df434c0a5859aeecdd2b2d7c251ca2c2909b496bc3425f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "915e215e4ac0cd61df434c0a5859aeecdd2b2d7c251ca2c2909b496bc3425f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "915e215e4ac0cd61df434c0a5859aeecdd2b2d7c251ca2c2909b496bc3425f11", kill_on_drop: false }`
[INFO] [stdout] 915e215e4ac0cd61df434c0a5859aeecdd2b2d7c251ca2c2909b496bc3425f11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d9937890dd857a4e40509b8a4afa6800dea56d4eb05eb4617406dfecb88b24f
[INFO] running `Command { std: "docker" "start" "-a" "2d9937890dd857a4e40509b8a4afa6800dea56d4eb05eb4617406dfecb88b24f", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitcoin-internals v0.2.0
[INFO] [stderr]    Compiling hex_lit v0.1.1
[INFO] [stderr]     Checking hex-conservative v0.1.2
[INFO] [stderr]    Compiling bitcoin v0.31.2
[INFO] [stderr]     Checking bech32 v0.10.0-beta
[INFO] [stderr]    Compiling secp256k1-sys v0.9.2
[INFO] [stderr]     Checking bitcoin_hashes v0.13.0
[INFO] [stderr]     Checking secp256k1 v0.28.2
[INFO] [stderr]     Checking txoutset v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Error` is never used
[INFO] [stdout]    --> src/var_int.rs:115:6
[INFO] [stdout]     |
[INFO] [stdout] 115 | enum Error {}
[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: enum `Error` is never used
[INFO] [stdout]    --> src/var_int.rs:115:6
[INFO] [stdout]     |
[INFO] [stdout] 115 | enum Error {}
[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 7.99s
[INFO] running `Command { std: "docker" "inspect" "2d9937890dd857a4e40509b8a4afa6800dea56d4eb05eb4617406dfecb88b24f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d9937890dd857a4e40509b8a4afa6800dea56d4eb05eb4617406dfecb88b24f", kill_on_drop: false }`
[INFO] [stdout] 2d9937890dd857a4e40509b8a4afa6800dea56d4eb05eb4617406dfecb88b24f