[INFO] cloning repository https://github.com/leylamylene/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/leylamylene/rust-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleylamylene%2Frust-blockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleylamylene%2Frust-blockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2524e91e1d641439272c98b23021c33dfa3e94a6
[INFO] checking leylamylene/rust-blockchain against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleylamylene%2Frust-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/leylamylene/rust-blockchain
[INFO] finished tweaking git repo https://github.com/leylamylene/rust-blockchain
[INFO] tweaked toml for git repo https://github.com/leylamylene/rust-blockchain written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/leylamylene/rust-blockchain on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/leylamylene/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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55ad62eaabbcccded4e5937f7724641e7c6fcbbb4ac8181788366a93c0c06c23
[INFO] running `Command { std: "docker" "start" "-a" "55ad62eaabbcccded4e5937f7724641e7c6fcbbb4ac8181788366a93c0c06c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55ad62eaabbcccded4e5937f7724641e7c6fcbbb4ac8181788366a93c0c06c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55ad62eaabbcccded4e5937f7724641e7c6fcbbb4ac8181788366a93c0c06c23", kill_on_drop: false }`
[INFO] [stdout] 55ad62eaabbcccded4e5937f7724641e7c6fcbbb4ac8181788366a93c0c06c23
[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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0de56480fa5da31a1381f6820cda2b1a253c6c02e50fd337eb0f9fe4fa8d7a14
[INFO] running `Command { std: "docker" "start" "-a" "0de56480fa5da31a1381f6820cda2b1a253c6c02e50fd337eb0f9fe4fa8d7a14", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.156
[INFO] [stderr]    Compiling serde v1.0.208
[INFO] [stderr]    Compiling serde_json v1.0.125
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling cc v1.1.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking predicates-core v1.0.8
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking predicates-tree v1.0.11
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]    Compiling syn v2.0.74
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking sled v0.34.7
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.208
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking rust-blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/server.rs:61:21
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `utxoSet` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | mod utxoSet;
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to snake case: `utxo_set`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/server.rs:107:21
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let node_addr = GLOBAL_CONFIG.get_node_addr().parse().unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/server.rs:120:21
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let node_addr = GLOBAL_CONFIG.get_node_addr().parse().unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/server.rs:133:21
[INFO] [stdout]     |
[INFO] [stdout] 133 |     let node_addr = GLOBAL_CONFIG.get_node_addr().parse().unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/server.rs:145:21
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let node_addr = GLOBAL_CONFIG.get_node_addr().parse().unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/server.rs:157:21
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let node_addr = GLOBAL_CONFIG.get_node_addr().parse().unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/server.rs:170:21
[INFO] [stdout]     |
[INFO] [stdout] 170 |     let node_addr = GLOBAL_CONFIG.get_node_addr().parse().unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-blockchain` (lib) due to 6 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0de56480fa5da31a1381f6820cda2b1a253c6c02e50fd337eb0f9fe4fa8d7a14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0de56480fa5da31a1381f6820cda2b1a253c6c02e50fd337eb0f9fe4fa8d7a14", kill_on_drop: false }`
[INFO] [stdout] 0de56480fa5da31a1381f6820cda2b1a253c6c02e50fd337eb0f9fe4fa8d7a14
