[INFO] cloning repository https://github.com/DrPeterVanNostrand/joux-multisig
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DrPeterVanNostrand/joux-multisig" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDrPeterVanNostrand%2Fjoux-multisig", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDrPeterVanNostrand%2Fjoux-multisig'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 216c6e41333dd463d4048c7a12e34087f24a8203
[INFO] building DrPeterVanNostrand/joux-multisig against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDrPeterVanNostrand%2Fjoux-multisig" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DrPeterVanNostrand/joux-multisig on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DrPeterVanNostrand/joux-multisig
[INFO] finished tweaking git repo https://github.com/DrPeterVanNostrand/joux-multisig
[INFO] tweaked toml for git repo https://github.com/DrPeterVanNostrand/joux-multisig written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/DrPeterVanNostrand/joux-multisig 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pairing v0.14.2
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 770d1a17bafccdf521e5dbbc74f3bd1fb956a3dfca33ae4c0eee62696847d294
[INFO] running `Command { std: "docker" "start" "-a" "770d1a17bafccdf521e5dbbc74f3bd1fb956a3dfca33ae4c0eee62696847d294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "770d1a17bafccdf521e5dbbc74f3bd1fb956a3dfca33ae4c0eee62696847d294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "770d1a17bafccdf521e5dbbc74f3bd1fb956a3dfca33ae4c0eee62696847d294", kill_on_drop: false }`
[INFO] [stdout] 770d1a17bafccdf521e5dbbc74f3bd1fb956a3dfca33ae4c0eee62696847d294
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 671cd9d23b8e57b546086abbefeb6581df71240c33ef39c71fd2bc7942b818c1
[INFO] running `Command { std: "docker" "start" "-a" "671cd9d23b8e57b546086abbefeb6581df71240c33ef39c71fd2bc7942b818c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling opaque-debug v0.2.2
[INFO] [stderr]    Compiling block-padding v0.1.4
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling generic-array v0.12.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.0
[INFO] [stderr]    Compiling sha3 v0.8.2
[INFO] [stderr]    Compiling pairing v0.14.2
[INFO] [stderr]    Compiling joux-multisig v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `SingleSig` is never constructed
[INFO] [stdout]   --> src/main.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | enum Account {
[INFO] [stdout]    |      ------- variant in this enum
[INFO] [stdout] 61 |     SingleSig {
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Account` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "671cd9d23b8e57b546086abbefeb6581df71240c33ef39c71fd2bc7942b818c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "671cd9d23b8e57b546086abbefeb6581df71240c33ef39c71fd2bc7942b818c1", kill_on_drop: false }`
[INFO] [stdout] 671cd9d23b8e57b546086abbefeb6581df71240c33ef39c71fd2bc7942b818c1
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49d785bbc14baf526d19acc1b92ddd0ec5a334e0c024ea57d3d80dc6d56a63f8
[INFO] running `Command { std: "docker" "start" "-a" "49d785bbc14baf526d19acc1b92ddd0ec5a334e0c024ea57d3d80dc6d56a63f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling joux-multisig v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `SingleSig` is never constructed
[INFO] [stdout]   --> src/main.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | enum Account {
[INFO] [stdout]    |      ------- variant in this enum
[INFO] [stdout] 61 |     SingleSig {
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Account` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "49d785bbc14baf526d19acc1b92ddd0ec5a334e0c024ea57d3d80dc6d56a63f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49d785bbc14baf526d19acc1b92ddd0ec5a334e0c024ea57d3d80dc6d56a63f8", kill_on_drop: false }`
[INFO] [stdout] 49d785bbc14baf526d19acc1b92ddd0ec5a334e0c024ea57d3d80dc6d56a63f8