[INFO] cloning repository https://github.com/zbinxp/simple-blockchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zbinxp/simple-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzbinxp%2Fsimple-blockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzbinxp%2Fsimple-blockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 048e7d00a32b35bcd8dc1cef754502153105e470
[INFO] building zbinxp/simple-blockchain against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzbinxp%2Fsimple-blockchain" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zbinxp/simple-blockchain
[INFO] finished tweaking git repo https://github.com/zbinxp/simple-blockchain
[INFO] tweaked toml for git repo https://github.com/zbinxp/simple-blockchain written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zbinxp/simple-blockchain on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zbinxp/simple-blockchain 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7b3748ba2c2dcae1a1d48b595e6341fb376621b6a6f46431289b687d2bcacb4
[INFO] running `Command { std: "docker" "start" "-a" "f7b3748ba2c2dcae1a1d48b595e6341fb376621b6a6f46431289b687d2bcacb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7b3748ba2c2dcae1a1d48b595e6341fb376621b6a6f46431289b687d2bcacb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7b3748ba2c2dcae1a1d48b595e6341fb376621b6a6f46431289b687d2bcacb4", kill_on_drop: false }`
[INFO] [stdout] f7b3748ba2c2dcae1a1d48b595e6341fb376621b6a6f46431289b687d2bcacb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcd26a0189e24fb9fb17b066af50cddc6b1bf8107d48df5f4f13f0d323e726ee
[INFO] running `Command { std: "docker" "start" "-a" "fcd26a0189e24fb9fb17b066af50cddc6b1bf8107d48df5f4f13f0d323e726ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.164
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling object v0.36.5
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling clap_lex v0.7.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling clap_builder v4.5.21
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling is-terminal v0.4.13
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling bitcoin_hashes v0.7.6
[INFO] [stderr]    Compiling cpufeatures v0.2.15
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling backtrace v0.3.74
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stderr]    Compiling clap v4.5.21
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling sled v0.34.7
[INFO] [stderr]    Compiling merkle-cbt v0.3.2
[INFO] [stderr]    Compiling bitcoincash-addr v0.5.2
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling simple-blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/blockchain.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn iter(&self) -> BlockChainIterator {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn iter(&self) -> BlockChainIterator<'_> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "fcd26a0189e24fb9fb17b066af50cddc6b1bf8107d48df5f4f13f0d323e726ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcd26a0189e24fb9fb17b066af50cddc6b1bf8107d48df5f4f13f0d323e726ee", kill_on_drop: false }`
[INFO] [stdout] fcd26a0189e24fb9fb17b066af50cddc6b1bf8107d48df5f4f13f0d323e726ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54e9045e0ae545ed67e9cd9e88543cf32097eaf9adf913ccab3576eb3d741f73
[INFO] running `Command { std: "docker" "start" "-a" "54e9045e0ae545ed67e9cd9e88543cf32097eaf9adf913ccab3576eb3d741f73", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/blockchain.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn iter(&self) -> BlockChainIterator {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn iter(&self) -> BlockChainIterator<'_> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "54e9045e0ae545ed67e9cd9e88543cf32097eaf9adf913ccab3576eb3d741f73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54e9045e0ae545ed67e9cd9e88543cf32097eaf9adf913ccab3576eb3d741f73", kill_on_drop: false }`
[INFO] [stdout] 54e9045e0ae545ed67e9cd9e88543cf32097eaf9adf913ccab3576eb3d741f73