[INFO] fetching crate lightning-invoice 0.4.0...
[INFO] checking lightning-invoice-0.4.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate lightning-invoice 0.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lightning-invoice 0.4.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lightning-invoice 0.4.0
[INFO] finished tweaking crates.io crate lightning-invoice 0.4.0
[INFO] tweaked toml for crates.io crate lightning-invoice 0.4.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15c6b4f8320b0b6847c2929ce3dde4bd3526b5cd2df35711383ea72748036187
[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" "15c6b4f8320b0b6847c2929ce3dde4bd3526b5cd2df35711383ea72748036187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15c6b4f8320b0b6847c2929ce3dde4bd3526b5cd2df35711383ea72748036187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15c6b4f8320b0b6847c2929ce3dde4bd3526b5cd2df35711383ea72748036187", kill_on_drop: false }`
[INFO] [stdout] 15c6b4f8320b0b6847c2929ce3dde4bd3526b5cd2df35711383ea72748036187
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 10471e53a70cf1e5b4695fb8d251674ba885814eadbd1df41e257b608021d5b1
[INFO] running `Command { std: "docker" "start" "-a" "10471e53a70cf1e5b4695fb8d251674ba885814eadbd1df41e257b608021d5b1", kill_on_drop: false }`
[INFO] [stderr]     Checking bitcoin_hashes v0.9.4
[INFO] [stderr]    Compiling secp256k1-sys v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking secp256k1 v0.20.1
[INFO] [stderr]     Checking lightning-invoice v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Hash`
[INFO] [stdout]     --> src/lib.rs:1274:23
[INFO] [stdout]      |
[INFO] [stdout] 1274 |     use bitcoin_hashes::{Hash, sha256};
[INFO] [stdout]      |                          ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` 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 9.48s
[INFO] running `Command { std: "docker" "inspect" "10471e53a70cf1e5b4695fb8d251674ba885814eadbd1df41e257b608021d5b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10471e53a70cf1e5b4695fb8d251674ba885814eadbd1df41e257b608021d5b1", kill_on_drop: false }`
[INFO] [stdout] 10471e53a70cf1e5b4695fb8d251674ba885814eadbd1df41e257b608021d5b1