[INFO] fetching crate txoutset 0.3.0...
[INFO] building txoutset-0.3.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate txoutset 0.3.0 into /workspace/builds/worker-4-tc1/source
[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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate txoutset 0.3.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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 bitcoin v0.31.2 (available: v0.32.7)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitcoin-internals v0.2.0
[INFO] [stderr]   Downloaded hex-conservative v0.1.2
[INFO] [stderr]   Downloaded bech32 v0.10.0-beta
[INFO] [stderr]   Downloaded bitcoin_hashes v0.13.0
[INFO] [stderr]   Downloaded secp256k1 v0.28.2
[INFO] [stderr]   Downloaded bitcoin v0.31.2
[INFO] [stderr]   Downloaded secp256k1-sys v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4f6561db141e87ea223555c04d3bfc2cc46774660f3888e485e28ea8030ac87
[INFO] running `Command { std: "docker" "start" "-a" "a4f6561db141e87ea223555c04d3bfc2cc46774660f3888e485e28ea8030ac87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4f6561db141e87ea223555c04d3bfc2cc46774660f3888e485e28ea8030ac87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4f6561db141e87ea223555c04d3bfc2cc46774660f3888e485e28ea8030ac87", kill_on_drop: false }`
[INFO] [stdout] a4f6561db141e87ea223555c04d3bfc2cc46774660f3888e485e28ea8030ac87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f19d3a4b8cf9580105738297db5153847fbafe121bbadfa88c0d160a01683b2
[INFO] running `Command { std: "docker" "start" "-a" "4f19d3a4b8cf9580105738297db5153847fbafe121bbadfa88c0d160a01683b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitcoin-internals v0.2.0
[INFO] [stderr]    Compiling hex-conservative v0.1.2
[INFO] [stderr]    Compiling hex_lit v0.1.1
[INFO] [stderr]    Compiling bitcoin v0.31.2
[INFO] [stderr]    Compiling bech32 v0.10.0-beta
[INFO] [stderr]    Compiling secp256k1-sys v0.9.2
[INFO] [stderr]    Compiling bitcoin_hashes v0.13.0
[INFO] [stderr]    Compiling secp256k1 v0.28.2
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.64s
[INFO] running `Command { std: "docker" "inspect" "4f19d3a4b8cf9580105738297db5153847fbafe121bbadfa88c0d160a01683b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f19d3a4b8cf9580105738297db5153847fbafe121bbadfa88c0d160a01683b2", kill_on_drop: false }`
[INFO] [stdout] 4f19d3a4b8cf9580105738297db5153847fbafe121bbadfa88c0d160a01683b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78086c275842a1d551be89e10a371ddca3c62b8db654812f87e3d3d41c01e70b
[INFO] running `Command { std: "docker" "start" "-a" "78086c275842a1d551be89e10a371ddca3c62b8db654812f87e3d3d41c01e70b", kill_on_drop: false }`
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "78086c275842a1d551be89e10a371ddca3c62b8db654812f87e3d3d41c01e70b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78086c275842a1d551be89e10a371ddca3c62b8db654812f87e3d3d41c01e70b", kill_on_drop: false }`
[INFO] [stdout] 78086c275842a1d551be89e10a371ddca3c62b8db654812f87e3d3d41c01e70b