[INFO] cloning repository https://github.com/nimec77/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/nimec77/rust-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnimec77%2Frust-blockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnimec77%2Frust-blockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c44a78911ddb9ad2270267ed3ea5639f462e4457
[INFO] checking nimec77/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%2Fnimec77%2Frust-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/nimec77/rust-blockchain
[INFO] finished tweaking git repo https://github.com/nimec77/rust-blockchain
[INFO] tweaked toml for git repo https://github.com/nimec77/rust-blockchain written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nimec77/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/nimec77/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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a15e7348e16aab5a3e5c9f0913f3a40f541c9a3efaa17fa776f8cc6b821ae79b
[INFO] running `Command { std: "docker" "start" "-a" "a15e7348e16aab5a3e5c9f0913f3a40f541c9a3efaa17fa776f8cc6b821ae79b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a15e7348e16aab5a3e5c9f0913f3a40f541c9a3efaa17fa776f8cc6b821ae79b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a15e7348e16aab5a3e5c9f0913f3a40f541c9a3efaa17fa776f8cc6b821ae79b", kill_on_drop: false }`
[INFO] [stdout] a15e7348e16aab5a3e5c9f0913f3a40f541c9a3efaa17fa776f8cc6b821ae79b
[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 -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] b343fcface146ba8c174b0a0df18a3d4aeaeac50c0ca16040dbb13eaba56e0a1
[INFO] running `Command { std: "docker" "start" "-a" "b343fcface146ba8c174b0a0df18a3d4aeaeac50c0ca16040dbb13eaba56e0a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking anstream v0.6.19
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking jiff v0.2.15
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking sled v0.34.7
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking uuid v1.17.0
[INFO] [stderr]     Checking bs58 v0.5.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking env_logger v0.11.8
[INFO] [stderr]     Checking rust-blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/server/server_utils.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 |     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<String, Infallible>
[INFO] [stdout]   --> src/server/server_utils.rs:54:21
[INFO] [stdout]    |
[INFO] [stdout] 54 |     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<String, Infallible>
[INFO] [stdout]   --> src/server/server_utils.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |     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<String, Infallible>
[INFO] [stdout]   --> src/server/server_utils.rs:78:21
[INFO] [stdout]    |
[INFO] [stdout] 78 |     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<String, Infallible>
[INFO] [stdout]   --> src/server/server_utils.rs:91:21
[INFO] [stdout]    |
[INFO] [stdout] 91 |     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<String, Infallible>
[INFO] [stdout]    --> src/server/server_utils.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |     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<String, Infallible>
[INFO] [stdout]  --> src/command/data/command.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | /         #[structopt(name = "address", help = "The address to send genesis block reward to")]
[INFO] [stdout] 8 | |         address: String,
[INFO] [stdout]   | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/command/data/command.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | /         #[structopt(name = "address", help = "The wallet address")]
[INFO] [stdout] 18 | |         address: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/command/data/command.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | /         #[structopt(name = "from", help = "Source wallet address")]
[INFO] [stdout] 25 | |         from: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/command/data/command.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | /         #[structopt(name = "to", help = "Destination wallet address")]
[INFO] [stdout] 27 | |         to: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/command/data/command.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | /         #[structopt(name = "miner", help = "Enable mining mode and send reward to ADDRESS")]
[INFO] [stdout] 40 | |         miner: Option<String>,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-blockchain` (lib) due to 11 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/server/server_utils.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 |     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<String, Infallible>
[INFO] [stdout]   --> src/server/server_utils.rs:54:21
[INFO] [stdout]    |
[INFO] [stdout] 54 |     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<String, Infallible>
[INFO] [stdout]   --> src/server/server_utils.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |     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<String, Infallible>
[INFO] [stdout]   --> src/server/server_utils.rs:78:21
[INFO] [stdout]    |
[INFO] [stdout] 78 |     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<String, Infallible>
[INFO] [stdout]   --> src/server/server_utils.rs:91:21
[INFO] [stdout]    |
[INFO] [stdout] 91 |     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<String, Infallible>
[INFO] [stdout]    --> src/server/server_utils.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |     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<String, Infallible>
[INFO] [stdout]  --> src/command/data/command.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | /         #[structopt(name = "address", help = "The address to send genesis block reward to")]
[INFO] [stdout] 8 | |         address: String,
[INFO] [stdout]   | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/command/data/command.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | /         #[structopt(name = "address", help = "The wallet address")]
[INFO] [stdout] 18 | |         address: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/command/data/command.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | /         #[structopt(name = "from", help = "Source wallet address")]
[INFO] [stdout] 25 | |         from: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/command/data/command.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | /         #[structopt(name = "to", help = "Destination wallet address")]
[INFO] [stdout] 27 | |         to: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/command/data/command.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | /         #[structopt(name = "miner", help = "Enable mining mode and send reward to ADDRESS")]
[INFO] [stdout] 40 | |         miner: Option<String>,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-blockchain` (lib test) due to 11 previous errors
[INFO] running `Command { std: "docker" "inspect" "b343fcface146ba8c174b0a0df18a3d4aeaeac50c0ca16040dbb13eaba56e0a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b343fcface146ba8c174b0a0df18a3d4aeaeac50c0ca16040dbb13eaba56e0a1", kill_on_drop: false }`
[INFO] [stdout] b343fcface146ba8c174b0a0df18a3d4aeaeac50c0ca16040dbb13eaba56e0a1