[INFO] fetching crate txoutset 0.3.0...
[INFO] checking txoutset-0.3.0 against try#0edd13c68435d50367c79cef43ac2768d2ec4f3d for pr-129422
[INFO] extracting crate txoutset 0.3.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate txoutset 0.3.0 on toolchain 0edd13c68435d50367c79cef43ac2768d2ec4f3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "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-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "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" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 712fdb730a60596fa776e15e41ce25b08178183f8663d667305f505e045f3e14
[INFO] running `Command { std: "docker" "start" "-a" "712fdb730a60596fa776e15e41ce25b08178183f8663d667305f505e045f3e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "712fdb730a60596fa776e15e41ce25b08178183f8663d667305f505e045f3e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "712fdb730a60596fa776e15e41ce25b08178183f8663d667305f505e045f3e14", kill_on_drop: false }`
[INFO] [stdout] 712fdb730a60596fa776e15e41ce25b08178183f8663d667305f505e045f3e14
[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" "-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" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 791c50894e41701be4004835db069f6dcfd108a179db8604cf8f86dc4e42b360
[INFO] running `Command { std: "docker" "start" "-a" "791c50894e41701be4004835db069f6dcfd108a179db8604cf8f86dc4e42b360", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitcoin-internals v0.2.0
[INFO] [stderr]    Compiling secp256k1-sys v0.9.2
[INFO] [stderr]     Checking hex-conservative v0.1.2
[INFO] [stderr]    Compiling hex_lit v0.1.1
[INFO] [stderr]    Compiling bitcoin v0.31.2
[INFO] [stderr]     Checking bech32 v0.10.0-beta
[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: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.46s
[INFO] running `Command { std: "docker" "inspect" "791c50894e41701be4004835db069f6dcfd108a179db8604cf8f86dc4e42b360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "791c50894e41701be4004835db069f6dcfd108a179db8604cf8f86dc4e42b360", kill_on_drop: false }`
[INFO] [stdout] 791c50894e41701be4004835db069f6dcfd108a179db8604cf8f86dc4e42b360