[INFO] cloning repository https://github.com/ZirionNeft/blockchain-rust-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZirionNeft/blockchain-rust-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZirionNeft%2Fblockchain-rust-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZirionNeft%2Fblockchain-rust-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de9380562bb8efeea579b1a59a9640448a35d577
[INFO] checking ZirionNeft/blockchain-rust-example against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZirionNeft%2Fblockchain-rust-example" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ZirionNeft/blockchain-rust-example
[INFO] finished tweaking git repo https://github.com/ZirionNeft/blockchain-rust-example
[INFO] tweaked toml for git repo https://github.com/ZirionNeft/blockchain-rust-example written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ZirionNeft/blockchain-rust-example on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ZirionNeft/blockchain-rust-example 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6141db4bbc03fecdc8f1adbad5d20f445ac7be4a7de1cf61477fafa90c8b4a76
[INFO] running `Command { std: "docker" "start" "-a" "6141db4bbc03fecdc8f1adbad5d20f445ac7be4a7de1cf61477fafa90c8b4a76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6141db4bbc03fecdc8f1adbad5d20f445ac7be4a7de1cf61477fafa90c8b4a76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6141db4bbc03fecdc8f1adbad5d20f445ac7be4a7de1cf61477fafa90c8b4a76", kill_on_drop: false }`
[INFO] [stdout] 6141db4bbc03fecdc8f1adbad5d20f445ac7be4a7de1cf61477fafa90c8b4a76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb1566715fff9807e655bf787284a0cb0a73aafdcb0c249433c68709347f5811
[INFO] running `Command { std: "docker" "start" "-a" "fb1566715fff9807e655bf787284a0cb0a73aafdcb0c249433c68709347f5811", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling syn v1.0.83
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]     Checking const-oid v0.7.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking zeroize v1.5.1
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking der v0.5.1
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking base64ct v1.3.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]     Checking spki v0.5.4
[INFO] [stderr]     Checking pkcs8 v0.8.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking crypto-bigint v0.3.2
[INFO] [stderr]     Checking ff v0.11.0
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking group v0.11.0
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking block-buffer v0.10.0
[INFO] [stderr]     Checking crypto-common v0.1.1
[INFO] [stderr]     Checking base16ct v0.1.1
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]     Checking digest v0.10.1
[INFO] [stderr]     Checking rfc6979 v0.1.0
[INFO] [stderr]     Checking signature v1.4.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking bytestring v1.0.0
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking sled v0.34.7
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking sha2 v0.10.0
[INFO] [stderr]     Checking ripemd v0.1.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling darling_core v0.13.1
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling actix-macros v0.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking pin-project v0.4.28
[INFO] [stderr]     Checking actix-codec v0.3.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling actix-web-codegen v0.4.0
[INFO] [stderr]    Compiling darling_macro v0.13.1
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]    Compiling darling v0.13.1
[INFO] [stderr]    Compiling serde_with_macros v1.5.1
[INFO] [stderr]     Checking time v0.2.27
[INFO] [stderr]     Checking actix-threadpool v0.3.3
[INFO] [stderr]     Checking cookie v0.14.4
[INFO] [stderr]     Checking actix-rt v1.1.1
[INFO] [stderr]     Checking actix-service v1.0.6
[INFO] [stderr]     Checking futures v0.3.19
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking trust-dns-proto v0.19.7
[INFO] [stderr]     Checking actix-utils v2.0.0
[INFO] [stderr]     Checking actix-server v1.0.4
[INFO] [stderr]     Checking actix-tls v2.0.0
[INFO] [stderr]     Checking actix-testing v1.0.1
[INFO] [stderr]     Checking trust-dns-resolver v0.19.7
[INFO] [stderr]     Checking actix-connect v2.0.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking sec1 v0.2.1
[INFO] [stderr]     Checking actix-router v0.2.7
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_with v1.11.0
[INFO] [stderr]     Checking elliptic-curve v0.11.10
[INFO] [stderr]     Checking ecdsa v0.13.4
[INFO] [stderr]     Checking p256 v0.10.1
[INFO] [stderr]     Checking actix-http v2.2.1
[INFO] [stderr]     Checking kv v0.22.0
[INFO] [stderr]     Checking awc v2.0.3
[INFO] [stderr]     Checking actix-web v3.3.3
[INFO] [stderr]     Checking blockchain-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `left` and `right` are never read
[INFO] [stdout]  --> src/blockchain/merkle_tree.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct MerkleNode {
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 7 |     pub left: Option<Rc<MerkleNode>>,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 8 |     pub right: Option<Rc<MerkleNode>>,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `MerkleNode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/blockchain/proof_of_work.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new(block: &block::Block) -> ProofOfWork {
[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] 22 |     pub fn new(block: &block::Block) -> ProofOfWork<'_> {
[INFO] [stdout]    |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `left` and `right` are never read
[INFO] [stdout]  --> src/blockchain/merkle_tree.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct MerkleNode {
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 7 |     pub left: Option<Rc<MerkleNode>>,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 8 |     pub right: Option<Rc<MerkleNode>>,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `MerkleNode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/blockchain/proof_of_work.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new(block: &block::Block) -> ProofOfWork {
[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] 22 |     pub fn new(block: &block::Block) -> ProofOfWork<'_> {
[INFO] [stdout]    |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "fb1566715fff9807e655bf787284a0cb0a73aafdcb0c249433c68709347f5811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb1566715fff9807e655bf787284a0cb0a73aafdcb0c249433c68709347f5811", kill_on_drop: false }`
[INFO] [stdout] fb1566715fff9807e655bf787284a0cb0a73aafdcb0c249433c68709347f5811
