[INFO] cloning repository https://github.com/ElementsProject/rust-elements
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ElementsProject/rust-elements" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElementsProject%2Frust-elements", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElementsProject%2Frust-elements'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39eab10a9b2a4c94b4552fbe8b300c387535d02b
[INFO] checking ElementsProject/rust-elements against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElementsProject%2Frust-elements" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ElementsProject/rust-elements on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ElementsProject/rust-elements
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/ElementsProject/rust-elements
[INFO] tweaked toml for git repo https://github.com/ElementsProject/rust-elements written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 212f0c6db6b983fdee3074257c1ddc20a9ea141c5a45d38cc018bbe17c1cf49e
[INFO] running `Command { std: "docker" "start" "-a" "212f0c6db6b983fdee3074257c1ddc20a9ea141c5a45d38cc018bbe17c1cf49e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "212f0c6db6b983fdee3074257c1ddc20a9ea141c5a45d38cc018bbe17c1cf49e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "212f0c6db6b983fdee3074257c1ddc20a9ea141c5a45d38cc018bbe17c1cf49e", kill_on_drop: false }`
[INFO] [stdout] 212f0c6db6b983fdee3074257c1ddc20a9ea141c5a45d38cc018bbe17c1cf49e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 219510b16bbcfdc72bc8df8f0e2baa1505fd942802ee78e069fe1b1e7ab41e3b
[INFO] running `Command { std: "docker" "start" "-a" "219510b16bbcfdc72bc8df8f0e2baa1505fd942802ee78e069fe1b1e7ab41e3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking bitcoin_hashes v0.9.7
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking bech32 v0.7.3
[INFO] [stderr]     Checking bitcoin_hashes v0.7.6
[INFO] [stderr]    Compiling secp256k1-sys v0.4.1
[INFO] [stderr]    Compiling secp256k1-zkp-sys v0.4.0
[INFO] [stderr]     Checking serde_test v1.0.126
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking secp256k1 v0.20.3
[INFO] [stderr]     Checking slip21 v0.2.0
[INFO] [stderr]     Checking bitcoin v0.26.2
[INFO] [stderr]     Checking secp256k1-zkp v0.4.0
[INFO] [stderr]     Checking elements v0.17.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.64s
[INFO] running `Command { std: "docker" "inspect" "219510b16bbcfdc72bc8df8f0e2baa1505fd942802ee78e069fe1b1e7ab41e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "219510b16bbcfdc72bc8df8f0e2baa1505fd942802ee78e069fe1b1e7ab41e3b", kill_on_drop: false }`
[INFO] [stdout] 219510b16bbcfdc72bc8df8f0e2baa1505fd942802ee78e069fe1b1e7ab41e3b