[INFO] cloning repository https://github.com/emboth/substrate_handshake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emboth/substrate_handshake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femboth%2Fsubstrate_handshake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femboth%2Fsubstrate_handshake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed9bb231d8ce2edbd2cdeeba40ca701e9a89c19d
[INFO] checking emboth/substrate_handshake 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%2Femboth%2Fsubstrate_handshake" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/emboth/substrate_handshake
[INFO] finished tweaking git repo https://github.com/emboth/substrate_handshake
[INFO] tweaked toml for git repo https://github.com/emboth/substrate_handshake written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/emboth/substrate_handshake 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/emboth/substrate_handshake 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 14b37d0aba9721258f5b4beff963d110945c0d2e355ab991cf2801c6c2e6d3ba
[INFO] running `Command { std: "docker" "start" "-a" "14b37d0aba9721258f5b4beff963d110945c0d2e355ab991cf2801c6c2e6d3ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14b37d0aba9721258f5b4beff963d110945c0d2e355ab991cf2801c6c2e6d3ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14b37d0aba9721258f5b4beff963d110945c0d2e355ab991cf2801c6c2e6d3ba", kill_on_drop: false }`
[INFO] [stdout] 14b37d0aba9721258f5b4beff963d110945c0d2e355ab991cf2801c6c2e6d3ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f5226da1b9e308a33f56d52c60991f1451dc7e8e584b737669f3ea5fac1b2dad
[INFO] running `Command { std: "docker" "start" "-a" "f5226da1b9e308a33f56d52c60991f1451dc7e8e584b737669f3ea5fac1b2dad", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking bytes v1.6.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]    Compiling toml_edit v0.21.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking byte-slice-cast v1.2.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling proc-macro-crate v3.1.0
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking tokio v1.38.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]     Checking tungstenite v0.16.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.2
[INFO] [stderr]    Compiling parity-scale-codec-derive v3.6.12
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking serde v1.0.204
[INFO] [stderr]     Checking tokio-tungstenite v0.16.1
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking tokio-util v0.6.10
[INFO] [stderr]     Checking parity-scale-codec v3.6.12
[INFO] [stderr]     Checking serde_json v1.0.120
[INFO] [stderr]     Checking substrate_handshake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:149:5
[INFO] [stdout]     |
[INFO] [stdout] 149 | /     /// Node address to connect to
[INFO] [stdout] 150 | |     #[structopt(long, default_value = "ws://127.0.0.1:9944")]
[INFO] [stdout] 151 | |     node_address: String,
[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/main.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 | /     /// Genesis hash of the chain
[INFO] [stdout] 154 | |     #[structopt(
[INFO] [stdout] 155 | |         long,
[INFO] [stdout] 156 | |         default_value = "5972ecbfbc42507482dbcb0a2892bcd70161fd9acdfdf7e6455ab39bac3dfb83"
[INFO] [stdout] 157 | |     )]
[INFO] [stdout] 158 | |     genesis_hash: String,
[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/main.rs:149:5
[INFO] [stdout]     |
[INFO] [stdout] 149 | /     /// Node address to connect to
[INFO] [stdout] 150 | |     #[structopt(long, default_value = "ws://127.0.0.1:9944")]
[INFO] [stdout] 151 | |     node_address: String,
[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/main.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 | /     /// Genesis hash of the chain
[INFO] [stdout] 154 | |     #[structopt(
[INFO] [stdout] 155 | |         long,
[INFO] [stdout] 156 | |         default_value = "5972ecbfbc42507482dbcb0a2892bcd70161fd9acdfdf7e6455ab39bac3dfb83"
[INFO] [stdout] 157 | |     )]
[INFO] [stdout] 158 | |     genesis_hash: String,
[INFO] [stdout]     | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `substrate_handshake` (bin "substrate_handshake" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `substrate_handshake` (bin "substrate_handshake") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f5226da1b9e308a33f56d52c60991f1451dc7e8e584b737669f3ea5fac1b2dad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5226da1b9e308a33f56d52c60991f1451dc7e8e584b737669f3ea5fac1b2dad", kill_on_drop: false }`
[INFO] [stdout] f5226da1b9e308a33f56d52c60991f1451dc7e8e584b737669f3ea5fac1b2dad