[INFO] fetching crate gemachain-send-transaction-service 1.8.2...
[INFO] checking gemachain-send-transaction-service-1.8.2 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate gemachain-send-transaction-service 1.8.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate gemachain-send-transaction-service 1.8.2
[INFO] finished tweaking crates.io crate gemachain-send-transaction-service 1.8.2
[INFO] tweaked toml for crates.io crate gemachain-send-transaction-service 1.8.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gemachain-send-transaction-service 1.8.2 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 344 packages to latest compatible versions
[INFO] [stderr]       Adding subtle v2.4.1 (available: v2.6.1)
[INFO] [stderr]       Adding zeroize v1.3.0 (available: v1.8.2)
[INFO] [stderr]       Adding zstd-safe v4.1.3+zstd.1.5.1 (available: v4.1.6+zstd.1.5.2)
[INFO] [stderr]       Adding zstd-sys v1.6.2+zstd.1.5.1 (available: v1.6.3+zstd.1.5.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e63b250a65958fa74ec0e09cd6ae9c538e9e5b1a5e7428555cb06e1480e4197f
[INFO] running `Command { std: "docker" "start" "-a" "e63b250a65958fa74ec0e09cd6ae9c538e9e5b1a5e7428555cb06e1480e4197f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e63b250a65958fa74ec0e09cd6ae9c538e9e5b1a5e7428555cb06e1480e4197f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e63b250a65958fa74ec0e09cd6ae9c538e9e5b1a5e7428555cb06e1480e4197f", kill_on_drop: false }`
[INFO] [stdout] e63b250a65958fa74ec0e09cd6ae9c538e9e5b1a5e7428555cb06e1480e4197f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fab4321ce4f05ffcaf5f81d3114059c5da08acd2b3ce43ae92aa6aec8df6fd0c
[INFO] running `Command { std: "docker" "start" "-a" "fab4321ce4f05ffcaf5f81d3114059c5da08acd2b3ce43ae92aa6aec8df6fd0c", kill_on_drop: false }`
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[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/send_transaction_service.rs:182:41
[INFO] [stdout]     |
[INFO] [stdout] 182 |         transactions.retain(|signature, mut transaction_info| {
[INFO] [stdout]     |                                         ----^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/send_transaction_service.rs:182:41
[INFO] [stdout]     |
[INFO] [stdout] 182 |         transactions.retain(|signature, mut transaction_info| {
[INFO] [stdout]     |                                         ----^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 00s
[INFO] running `Command { std: "docker" "inspect" "fab4321ce4f05ffcaf5f81d3114059c5da08acd2b3ce43ae92aa6aec8df6fd0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fab4321ce4f05ffcaf5f81d3114059c5da08acd2b3ce43ae92aa6aec8df6fd0c", kill_on_drop: false }`
[INFO] [stdout] fab4321ce4f05ffcaf5f81d3114059c5da08acd2b3ce43ae92aa6aec8df6fd0c
