[INFO] cloning repository https://github.com/klausbegnis/rust-polkadot-preparation-1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/klausbegnis/rust-polkadot-preparation-1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklausbegnis%2Frust-polkadot-preparation-1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklausbegnis%2Frust-polkadot-preparation-1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 24568437219ed10af92cddd96bd9cbaa02f51a53
[INFO] testing klausbegnis/rust-polkadot-preparation-1 against 1.95.0 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklausbegnis%2Frust-polkadot-preparation-1" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/klausbegnis/rust-polkadot-preparation-1
[INFO] finished tweaking git repo https://github.com/klausbegnis/rust-polkadot-preparation-1
[INFO] tweaked toml for git repo https://github.com/klausbegnis/rust-polkadot-preparation-1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/klausbegnis/rust-polkadot-preparation-1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/klausbegnis/rust-polkadot-preparation-1 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4cdd0ab930db33bc4f3739af2397071b0a7720dad43e68cd84d4d20397ef13b4
[INFO] running `Command { std: "docker" "start" "-a" "4cdd0ab930db33bc4f3739af2397071b0a7720dad43e68cd84d4d20397ef13b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cdd0ab930db33bc4f3739af2397071b0a7720dad43e68cd84d4d20397ef13b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cdd0ab930db33bc4f3739af2397071b0a7720dad43e68cd84d4d20397ef13b4", kill_on_drop: false }`
[INFO] [stdout] 4cdd0ab930db33bc4f3739af2397071b0a7720dad43e68cd84d4d20397ef13b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d8ff341004e07b6133c8ce8e83f1744061b727eabd4f08c52833975f7ee37a9
[INFO] running `Command { std: "docker" "start" "-a" "3d8ff341004e07b6133c8ce8e83f1744061b727eabd4f08c52833975f7ee37a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-polkadot-preparation-1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `btree_map::Entry`
[INFO] [stdout]  --> src/proof_of_existence.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{btree_map::Entry, BTreeMap};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/proof_of_existence.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn get_claim(&self, claim: &T::Content) -> Option<&T::AccountId> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 22 |         self.get_claim(claim)
[INFO] [stdout]    |         --------------------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_nonce` is never used
[INFO] [stdout]   --> src/system.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T: Config> Pallet<T>{
[INFO] [stdout]    | ------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn get_nonce(&self, user: &T::AccountId) -> T::Nonce {
[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 1.00s
[INFO] running `Command { std: "docker" "inspect" "3d8ff341004e07b6133c8ce8e83f1744061b727eabd4f08c52833975f7ee37a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d8ff341004e07b6133c8ce8e83f1744061b727eabd4f08c52833975f7ee37a9", kill_on_drop: false }`
[INFO] [stdout] 3d8ff341004e07b6133c8ce8e83f1744061b727eabd4f08c52833975f7ee37a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5310283f00dfedb3f606d44ad2020b7470a73ebc2b8957b1061b39c5842d2ddf
[INFO] running `Command { std: "docker" "start" "-a" "5310283f00dfedb3f606d44ad2020b7470a73ebc2b8957b1061b39c5842d2ddf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-polkadot-preparation-1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `btree_map::Entry`
[INFO] [stdout]  --> src/proof_of_existence.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{btree_map::Entry, BTreeMap};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/proof_of_existence.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn get_claim(&self, claim: &T::Content) -> Option<&T::AccountId> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 22 |         self.get_claim(claim)
[INFO] [stdout]    |         --------------------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "5310283f00dfedb3f606d44ad2020b7470a73ebc2b8957b1061b39c5842d2ddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5310283f00dfedb3f606d44ad2020b7470a73ebc2b8957b1061b39c5842d2ddf", kill_on_drop: false }`
[INFO] [stdout] 5310283f00dfedb3f606d44ad2020b7470a73ebc2b8957b1061b39c5842d2ddf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fd8d5ec32256c5cdccaec7d16c38b9f69e09891ae0135af72a5f7a31819dace3
[INFO] running `Command { std: "docker" "start" "-a" "fd8d5ec32256c5cdccaec7d16c38b9f69e09891ae0135af72a5f7a31819dace3", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `btree_map::Entry`
[INFO] [stderr]  --> src/proof_of_existence.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::{btree_map::Entry, BTreeMap};
[INFO] [stderr]   |                        ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]   --> src/proof_of_existence.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn get_claim(&self, claim: &T::Content) -> Option<&T::AccountId> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] 22 |         self.get_claim(claim)
[INFO] [stderr]    |         --------------------- recursive call site
[INFO] [stderr]    |
[INFO] [stderr]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-polkadot-preparation-1` (bin "rust-polkadot-preparation-1" test) generated 2 warnings (run `cargo fix --bin "rust-polkadot-preparation-1" -p rust-polkadot-preparation-1 --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_polkadot_preparation_1-7556c963168fdc36)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr] 
[INFO] [stderr] thread 'proof_of_existence::test::basic_proof_of_existence' (18) has overflowed its stack
[INFO] [stderr] fatal runtime error: stack overflow, aborting
[INFO] [stderr] error: test failed, to rerun pass `--bin rust-polkadot-preparation-1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/rust_polkadot_preparation_1-7556c963168fdc36` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "fd8d5ec32256c5cdccaec7d16c38b9f69e09891ae0135af72a5f7a31819dace3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd8d5ec32256c5cdccaec7d16c38b9f69e09891ae0135af72a5f7a31819dace3", kill_on_drop: false }`
[INFO] [stdout] fd8d5ec32256c5cdccaec7d16c38b9f69e09891ae0135af72a5f7a31819dace3
