[INFO] fetching crate elements 0.18.0...
[INFO] checking elements-0.18.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate elements 0.18.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate elements 0.18.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate elements 0.18.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate elements 0.18.0
[INFO] tweaked toml for crates.io crate elements 0.18.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate elements 0.18.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cfc926ce27c294c975f26384f686bdea5e3a276a5623f59c5c2daee469e2e270
[INFO] running `Command { std: "docker" "start" "-a" "cfc926ce27c294c975f26384f686bdea5e3a276a5623f59c5c2daee469e2e270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfc926ce27c294c975f26384f686bdea5e3a276a5623f59c5c2daee469e2e270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfc926ce27c294c975f26384f686bdea5e3a276a5623f59c5c2daee469e2e270", kill_on_drop: false }`
[INFO] [stdout] cfc926ce27c294c975f26384f686bdea5e3a276a5623f59c5c2daee469e2e270
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3019ce9d08b58bdb34a5dcaf611c43b21d9034b9d18a829ed9004ace97fc0be
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a3019ce9d08b58bdb34a5dcaf611c43b21d9034b9d18a829ed9004ace97fc0be", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking bitcoin_hashes v0.9.4
[INFO] [stderr]     Checking bitcoin_hashes v0.10.0
[INFO] [stderr]     Checking bech32 v0.8.1
[INFO] [stderr]     Checking bitcoin_hashes v0.7.6
[INFO] [stderr]    Compiling secp256k1-sys v0.4.0
[INFO] [stderr]    Compiling secp256k1-zkp-sys v0.4.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking secp256k1 v0.20.3
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking serde_test v1.0.126
[INFO] [stderr]     Checking slip21 v0.2.0
[INFO] [stderr]     Checking bitcoin v0.27.0
[INFO] [stderr]     Checking secp256k1-zkp v0.4.0
[INFO] [stderr]     Checking elements v0.18.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `sk`
[INFO] [stdout]   --> examples/pset.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     sk: bitcoin::PrivateKey,
[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: field is never read: `sk`
[INFO] [stdout]   --> examples/coinjoin.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     sk: bitcoin::PrivateKey,
[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 [unoptimized + debuginfo] target(s) in 39.46s
[INFO] running `Command { std: "docker" "inspect" "a3019ce9d08b58bdb34a5dcaf611c43b21d9034b9d18a829ed9004ace97fc0be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3019ce9d08b58bdb34a5dcaf611c43b21d9034b9d18a829ed9004ace97fc0be", kill_on_drop: false }`
[INFO] [stdout] a3019ce9d08b58bdb34a5dcaf611c43b21d9034b9d18a829ed9004ace97fc0be