[INFO] cloning repository https://github.com/MelloTonio/toy-blockchain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MelloTonio/toy-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMelloTonio%2Ftoy-blockchain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMelloTonio%2Ftoy-blockchain'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 427cc1ed22879d25d4aa73517c335accf9ccc21a [INFO] building MelloTonio/toy-blockchain against master#a7f375789bab1a4e4a291c963081a8ca7d2b6bd7 for pr-93180 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMelloTonio%2Ftoy-blockchain" "/workspace/builds/worker-15/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MelloTonio/toy-blockchain on toolchain a7f375789bab1a4e4a291c963081a8ca7d2b6bd7 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MelloTonio/toy-blockchain [INFO] finished tweaking git repo https://github.com/MelloTonio/toy-blockchain [INFO] tweaked toml for git repo https://github.com/MelloTonio/toy-blockchain written to /workspace/builds/worker-15/source/Cargo.toml [INFO] crate git repo https://github.com/MelloTonio/toy-blockchain already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a0bce7a2460d7b805eb173fa4e6cb6ea7ea40eaef003c039e65fe0214123e5be [INFO] running `Command { std: "docker" "start" "-a" "a0bce7a2460d7b805eb173fa4e6cb6ea7ea40eaef003c039e65fe0214123e5be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a0bce7a2460d7b805eb173fa4e6cb6ea7ea40eaef003c039e65fe0214123e5be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0bce7a2460d7b805eb173fa4e6cb6ea7ea40eaef003c039e65fe0214123e5be", kill_on_drop: false }` [INFO] [stdout] a0bce7a2460d7b805eb173fa4e6cb6ea7ea40eaef003c039e65fe0214123e5be [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4d8a9fe3795e4a10fa3d07b34f595f7909ebbb506402495d93a894c8b11d6c2a [INFO] running `Command { std: "docker" "start" "-a" "4d8a9fe3795e4a10fa3d07b34f595f7909ebbb506402495d93a894c8b11d6c2a", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling syn v1.0.85 [INFO] [stderr] Compiling serde v1.0.133 [INFO] [stderr] Compiling serde_json v1.0.74 [INFO] [stderr] Compiling serde_derive v1.0.133 [INFO] [stderr] Compiling itoa v1.0.1 [INFO] [stderr] Compiling ryu v1.0.9 [INFO] [stderr] Compiling generic-array v0.14.5 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Compiling time v0.3.5 [INFO] [stderr] Compiling crypto-common v0.1.1 [INFO] [stderr] Compiling block-buffer v0.10.0 [INFO] [stderr] Compiling digest v0.10.1 [INFO] [stderr] Compiling sha2 v0.10.1 [INFO] [stderr] Compiling blockchain v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | io::stdin().read_line(&mut miner_address); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | io::stdin().read_line(&mut difficulty); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | io::stdin().read_line(&mut choice); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:57:17 [INFO] [stdout] | [INFO] [stdout] 57 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:58:17 [INFO] [stdout] | [INFO] [stdout] 58 | io::stdin().read_line(&mut sender); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:60:17 [INFO] [stdout] | [INFO] [stdout] 60 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:61:17 [INFO] [stdout] | [INFO] [stdout] 61 | io::stdin().read_line(&mut receiver); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:63:17 [INFO] [stdout] | [INFO] [stdout] 63 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:64:17 [INFO] [stdout] | [INFO] [stdout] 64 | io::stdin().read_line(&mut amount); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:88:17 [INFO] [stdout] | [INFO] [stdout] 88 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:89:17 [INFO] [stdout] | [INFO] [stdout] 89 | io::stdin().read_line(&mut new_diff); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:99:17 [INFO] [stdout] | [INFO] [stdout] 99 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:100:17 [INFO] [stdout] | [INFO] [stdout] 100 | io::stdin().read_line(&mut new_reward); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `mergedHash` should have a snake case name [INFO] [stdout] --> src/blockchain.rs:162:17 [INFO] [stdout] | [INFO] [stdout] 162 | let mergedHash = Chain::hash(&hash1); [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `merged_hash` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.76s [INFO] running `Command { std: "docker" "inspect" "4d8a9fe3795e4a10fa3d07b34f595f7909ebbb506402495d93a894c8b11d6c2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d8a9fe3795e4a10fa3d07b34f595f7909ebbb506402495d93a894c8b11d6c2a", kill_on_drop: false }` [INFO] [stdout] 4d8a9fe3795e4a10fa3d07b34f595f7909ebbb506402495d93a894c8b11d6c2a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ad701a77502f44fa75cc7c445f8e955958c749f5c11949b020a8ea69b661b389 [INFO] running `Command { std: "docker" "start" "-a" "ad701a77502f44fa75cc7c445f8e955958c749f5c11949b020a8ea69b661b389", kill_on_drop: false }` [ERROR] error running command: no output for 300 seconds [INFO] running `Command { std: "docker" "inspect" "ad701a77502f44fa75cc7c445f8e955958c749f5c11949b020a8ea69b661b389", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad701a77502f44fa75cc7c445f8e955958c749f5c11949b020a8ea69b661b389", kill_on_drop: false }` [INFO] [stdout] ad701a77502f44fa75cc7c445f8e955958c749f5c11949b020a8ea69b661b389