[INFO] cloning repository https://github.com/olegkich/simple-rust-blockchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/olegkich/simple-rust-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5b8f6388d9543ab7636ee341987318dd4bf3940
[INFO] testing olegkich/simple-rust-blockchain against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegkich%2Fsimple-rust-blockchain" "/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/olegkich/simple-rust-blockchain
[INFO] finished tweaking git repo https://github.com/olegkich/simple-rust-blockchain
[INFO] tweaked toml for git repo https://github.com/olegkich/simple-rust-blockchain written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/olegkich/simple-rust-blockchain on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/olegkich/simple-rust-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57a8ace5c3b22f561ec9c95f587b8cade52a4167f07736d0e55c35fed16ca03c
[INFO] running `Command { std: "docker" "start" "-a" "57a8ace5c3b22f561ec9c95f587b8cade52a4167f07736d0e55c35fed16ca03c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57a8ace5c3b22f561ec9c95f587b8cade52a4167f07736d0e55c35fed16ca03c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57a8ace5c3b22f561ec9c95f587b8cade52a4167f07736d0e55c35fed16ca03c", kill_on_drop: false }`
[INFO] [stdout] 57a8ace5c3b22f561ec9c95f587b8cade52a4167f07736d0e55c35fed16ca03c
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db60e40eaa03f201c35e8fd99abab58a6cb1ef083f0ba538b79faa0eae7bedc6
[INFO] running `Command { std: "docker" "start" "-a" "db60e40eaa03f201c35e8fd99abab58a6cb1ef083f0ba538b79faa0eae7bedc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling iana-time-zone v0.1.53
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling tiny-gradient v0.1.0
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.3
[INFO] [stderr]    Compiling digest v0.10.6
[INFO] [stderr]    Compiling chrono v0.4.23
[INFO] [stderr]    Compiling sha2 v0.10.6
[INFO] [stderr]    Compiling blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ops::Index`
[INFO] [stdout]  --> src/main.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{io, ops::Index};
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `previous_hash`, `data`, and `nonce` are never read
[INFO] [stdout]   --> src/blockchain.rs:9:3
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct Block {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout]  9 |   previous_hash: String,
[INFO] [stdout]    |   ^^^^^^^^^^^^^
[INFO] [stdout] 10 |   data: String,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |   nonce: usize
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` has a derived impl for the trait `Debug`, but this is 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: field `difficulty` is never read
[INFO] [stdout]   --> src/blockchain.rs:23:3
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Chain {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 22 |   blocks: Vec<Block>,
[INFO] [stdout] 23 |   difficulty: usize
[INFO] [stdout]    |   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.61s
[INFO] running `Command { std: "docker" "inspect" "db60e40eaa03f201c35e8fd99abab58a6cb1ef083f0ba538b79faa0eae7bedc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db60e40eaa03f201c35e8fd99abab58a6cb1ef083f0ba538b79faa0eae7bedc6", kill_on_drop: false }`
[INFO] [stdout] db60e40eaa03f201c35e8fd99abab58a6cb1ef083f0ba538b79faa0eae7bedc6
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 093f08bd8baa0e3767ff3888d0b917309b949036f312d066a873357c7b50cdd6
[INFO] running `Command { std: "docker" "start" "-a" "093f08bd8baa0e3767ff3888d0b917309b949036f312d066a873357c7b50cdd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ops::Index`
[INFO] [stdout]  --> src/main.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{io, ops::Index};
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `previous_hash`, `data`, and `nonce` are never read
[INFO] [stdout]   --> src/blockchain.rs:9:3
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct Block {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout]  9 |   previous_hash: String,
[INFO] [stdout]    |   ^^^^^^^^^^^^^
[INFO] [stdout] 10 |   data: String,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |   nonce: usize
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` has a derived impl for the trait `Debug`, but this is 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: field `difficulty` is never read
[INFO] [stdout]   --> src/blockchain.rs:23:3
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Chain {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 22 |   blocks: Vec<Block>,
[INFO] [stdout] 23 |   difficulty: usize
[INFO] [stdout]    |   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "093f08bd8baa0e3767ff3888d0b917309b949036f312d066a873357c7b50cdd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "093f08bd8baa0e3767ff3888d0b917309b949036f312d066a873357c7b50cdd6", kill_on_drop: false }`
[INFO] [stdout] 093f08bd8baa0e3767ff3888d0b917309b949036f312d066a873357c7b50cdd6
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bfea2e5a055b157085df14643df7f67c1724a3d34b8c69d23cc25bd1d4781f32
[INFO] running `Command { std: "docker" "start" "-a" "bfea2e5a055b157085df14643df7f67c1724a3d34b8c69d23cc25bd1d4781f32", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `ops::Index`
[INFO] [stderr]  --> src/main.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::{io, ops::Index};
[INFO] [stderr]   |               ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `previous_hash`, `data`, and `nonce` are never read
[INFO] [stderr]   --> src/blockchain.rs:9:3
[INFO] [stderr]    |
[INFO] [stderr]  6 | pub struct Block {
[INFO] [stderr]    |            ----- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr]  9 |   previous_hash: String,
[INFO] [stderr]    |   ^^^^^^^^^^^^^
[INFO] [stderr] 10 |   data: String,
[INFO] [stderr]    |   ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 13 |   nonce: usize
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `difficulty` is never read
[INFO] [stderr]   --> src/blockchain.rs:23:3
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub struct Chain {
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] 22 |   blocks: Vec<Block>,
[INFO] [stderr] 23 |   difficulty: usize
[INFO] [stderr]    |   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `blockchain` (bin "blockchain" test) generated 3 warnings (run `cargo fix --bin "blockchain" -p blockchain --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/blockchain-22a33392a661dd2e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bfea2e5a055b157085df14643df7f67c1724a3d34b8c69d23cc25bd1d4781f32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfea2e5a055b157085df14643df7f67c1724a3d34b8c69d23cc25bd1d4781f32", kill_on_drop: false }`
[INFO] [stdout] bfea2e5a055b157085df14643df7f67c1724a3d34b8c69d23cc25bd1d4781f32
