[INFO] fetching crate lightning 0.0.11...
[INFO] checking lightning-0.0.11 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate lightning 0.0.11 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate lightning 0.0.11 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lightning 0.0.11
[INFO] finished tweaking crates.io crate lightning 0.0.11
[INFO] tweaked toml for crates.io crate lightning 0.0.11 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c0bf0f7f48a74966ad4fac6b82b3a3fde2d205c0763a30e84f3fd3b526766b01
[INFO] running `Command { std: "docker" "start" "-a" "c0bf0f7f48a74966ad4fac6b82b3a3fde2d205c0763a30e84f3fd3b526766b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0bf0f7f48a74966ad4fac6b82b3a3fde2d205c0763a30e84f3fd3b526766b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0bf0f7f48a74966ad4fac6b82b3a3fde2d205c0763a30e84f3fd3b526766b01", kill_on_drop: false }`
[INFO] [stdout] c0bf0f7f48a74966ad4fac6b82b3a3fde2d205c0763a30e84f3fd3b526766b01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b2042633ebc75d35dfd5b6c9162b1c4970eebf46b1b6b2b8274153298b89532
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8b2042633ebc75d35dfd5b6c9162b1c4970eebf46b1b6b2b8274153298b89532", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking bitcoin_hashes v0.7.6
[INFO] [stderr]     Checking bech32 v0.7.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling secp256k1 v0.15.5
[INFO] [stderr]    Compiling bitcoinconsensus v0.17.1
[INFO] [stderr]     Checking bitcoin v0.21.0
[INFO] [stderr]     Checking lightning v0.0.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/ln/channel.rs:164:16
[INFO] [stdout]     |
[INFO] [stdout] 164 |     OurInitSent = (1 << 0),
[INFO] [stdout]     |                   ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/ln/channel.rs:166:18
[INFO] [stdout]     |
[INFO] [stdout] 166 |     TheirInitSent = (1 << 1),
[INFO] [stdout]     |                     ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/ln/channel.rs:177:23
[INFO] [stdout]     |
[INFO] [stdout] 177 |     TheirFundingLocked = (1 << 4),
[INFO] [stdout]     |                          ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/ln/channel.rs:180:21
[INFO] [stdout]     |
[INFO] [stdout] 180 |     OurFundingLocked = (1 << 5),
[INFO] [stdout]     |                        ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/ln/channel.rs:185:21
[INFO] [stdout]     |
[INFO] [stdout] 185 |     PeerDisconnected = (1 << 7),
[INFO] [stdout]     |                        ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/ln/channel.rs:189:24
[INFO] [stdout]     |
[INFO] [stdout] 189 |     MonitorUpdateFailed = (1 << 8),
[INFO] [stdout]     |                           ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/ln/channel.rs:196:25
[INFO] [stdout]     |
[INFO] [stdout] 196 |     AwaitingRemoteRevoke = (1 << 9),
[INFO] [stdout]     |                            ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/ln/channel.rs:200:23
[INFO] [stdout]     |
[INFO] [stdout] 200 |     RemoteShutdownSent = (1 << 10),
[INFO] [stdout]     |                          ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/ln/channel.rs:205:22
[INFO] [stdout]     |
[INFO] [stdout] 205 |     LocalShutdownSent = (1 << 11),
[INFO] [stdout]     |                         ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/ln/channel.rs:164:16
[INFO] [stdout]     |
[INFO] [stdout] 164 |     OurInitSent = (1 << 0),
[INFO] [stdout]     |                   ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/ln/channel.rs:166:18
[INFO] [stdout]     |
[INFO] [stdout] 166 |     TheirInitSent = (1 << 1),
[INFO] [stdout]     |                     ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/ln/channel.rs:177:23
[INFO] [stdout]     |
[INFO] [stdout] 177 |     TheirFundingLocked = (1 << 4),
[INFO] [stdout]     |                          ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/ln/channel.rs:180:21
[INFO] [stdout]     |
[INFO] [stdout] 180 |     OurFundingLocked = (1 << 5),
[INFO] [stdout]     |                        ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/ln/channel.rs:185:21
[INFO] [stdout]     |
[INFO] [stdout] 185 |     PeerDisconnected = (1 << 7),
[INFO] [stdout]     |                        ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/ln/channel.rs:189:24
[INFO] [stdout]     |
[INFO] [stdout] 189 |     MonitorUpdateFailed = (1 << 8),
[INFO] [stdout]     |                           ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/ln/channel.rs:196:25
[INFO] [stdout]     |
[INFO] [stdout] 196 |     AwaitingRemoteRevoke = (1 << 9),
[INFO] [stdout]     |                            ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/ln/channel.rs:200:23
[INFO] [stdout]     |
[INFO] [stdout] 200 |     RemoteShutdownSent = (1 << 10),
[INFO] [stdout]     |                          ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/ln/channel.rs:205:22
[INFO] [stdout]     |
[INFO] [stdout] 205 |     LocalShutdownSent = (1 << 11),
[INFO] [stdout]     |                         ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `logger`
[INFO] [stdout]    --> src/chain/chaininterface.rs:319:2
[INFO] [stdout]     |
[INFO] [stdout] 319 |     logger: Arc<Logger>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `logger`
[INFO] [stdout]    --> src/chain/keysinterface.rs:486:2
[INFO] [stdout]     |
[INFO] [stdout] 486 |     logger: Arc<Logger>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ln/functional_tests.rs:119:6
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ln/functional_tests.rs:232:6
[INFO] [stdout]     |
[INFO] [stdout] 232 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ln/functional_tests.rs:613:6
[INFO] [stdout]     |
[INFO] [stdout] 613 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ln/functional_tests.rs:843:6
[INFO] [stdout]     |
[INFO] [stdout] 843 |     let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ln/functional_tests.rs:916:6
[INFO] [stdout]     |
[INFO] [stdout] 916 |     let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:1287:6
[INFO] [stdout]      |
[INFO] [stdout] 1287 |     let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:1408:6
[INFO] [stdout]      |
[INFO] [stdout] 1408 |     let mut nodes = create_network(6, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:1507:6
[INFO] [stdout]      |
[INFO] [stdout] 1507 |     let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:1787:6
[INFO] [stdout]      |
[INFO] [stdout] 1787 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:2710:6
[INFO] [stdout]      |
[INFO] [stdout] 2710 |     let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:2923:6
[INFO] [stdout]      |
[INFO] [stdout] 2923 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:3022:6
[INFO] [stdout]      |
[INFO] [stdout] 3022 |     let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:3190:6
[INFO] [stdout]      |
[INFO] [stdout] 3190 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:3485:6
[INFO] [stdout]      |
[INFO] [stdout] 3485 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:3686:6
[INFO] [stdout]      |
[INFO] [stdout] 3686 |     let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:4641:6
[INFO] [stdout]      |
[INFO] [stdout] 4641 |     let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:5168:6
[INFO] [stdout]      |
[INFO] [stdout] 5168 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:5490:6
[INFO] [stdout]      |
[INFO] [stdout] 5490 |     let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:5791:6
[INFO] [stdout]      |
[INFO] [stdout] 5791 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:5810:6
[INFO] [stdout]      |
[INFO] [stdout] 5810 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:5829:6
[INFO] [stdout]      |
[INFO] [stdout] 5829 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:5852:6
[INFO] [stdout]      |
[INFO] [stdout] 5852 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:5869:6
[INFO] [stdout]      |
[INFO] [stdout] 5869 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:5911:6
[INFO] [stdout]      |
[INFO] [stdout] 5911 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:5936:6
[INFO] [stdout]      |
[INFO] [stdout] 5936 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:5963:6
[INFO] [stdout]      |
[INFO] [stdout] 5963 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:5990:6
[INFO] [stdout]      |
[INFO] [stdout] 5990 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:6035:6
[INFO] [stdout]      |
[INFO] [stdout] 6035 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:6057:6
[INFO] [stdout]      |
[INFO] [stdout] 6057 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:6081:6
[INFO] [stdout]      |
[INFO] [stdout] 6081 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:6126:6
[INFO] [stdout]      |
[INFO] [stdout] 6126 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:6157:6
[INFO] [stdout]      |
[INFO] [stdout] 6157 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:6188:6
[INFO] [stdout]      |
[INFO] [stdout] 6188 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:6302:6
[INFO] [stdout]      |
[INFO] [stdout] 6302 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:6348:6
[INFO] [stdout]      |
[INFO] [stdout] 6348 |     let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/functional_tests.rs:7641:6
[INFO] [stdout]      |
[INFO] [stdout] 7641 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ln/chanmon_update_fail_tests.rs:26:6
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ln/chanmon_update_fail_tests.rs:59:6
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ln/chanmon_update_fail_tests.rs:163:6
[INFO] [stdout]     |
[INFO] [stdout] 163 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ln/chanmon_update_fail_tests.rs:495:6
[INFO] [stdout]     |
[INFO] [stdout] 495 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ln/chanmon_update_fail_tests.rs:580:6
[INFO] [stdout]     |
[INFO] [stdout] 580 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ln/chanmon_update_fail_tests.rs:626:6
[INFO] [stdout]     |
[INFO] [stdout] 626 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ln/chanmon_update_fail_tests.rs:697:6
[INFO] [stdout]     |
[INFO] [stdout] 697 |     let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ln/chanmon_update_fail_tests.rs:955:6
[INFO] [stdout]     |
[INFO] [stdout] 955 |     let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/chanmon_update_fail_tests.rs:1037:6
[INFO] [stdout]      |
[INFO] [stdout] 1037 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/chanmon_update_fail_tests.rs:1154:6
[INFO] [stdout]      |
[INFO] [stdout] 1154 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/chanmon_update_fail_tests.rs:1274:6
[INFO] [stdout]      |
[INFO] [stdout] 1274 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/chanmon_update_fail_tests.rs:1344:6
[INFO] [stdout]      |
[INFO] [stdout] 1344 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/chanmon_update_fail_tests.rs:1434:6
[INFO] [stdout]      |
[INFO] [stdout] 1434 |     let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/chanmon_update_fail_tests.rs:1511:6
[INFO] [stdout]      |
[INFO] [stdout] 1511 |     let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/chanmon_update_fail_tests.rs:1580:6
[INFO] [stdout]      |
[INFO] [stdout] 1580 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/chanmon_update_fail_tests.rs:1640:6
[INFO] [stdout]      |
[INFO] [stdout] 1640 |     let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ln/chanmon_update_fail_tests.rs:1742:6
[INFO] [stdout]      |
[INFO] [stdout] 1742 |     let mut nodes = create_network(4, &node_cfgs, &node_chanmgrs);
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `logger`
[INFO] [stdout]    --> src/chain/chaininterface.rs:319:2
[INFO] [stdout]     |
[INFO] [stdout] 319 |     logger: Arc<Logger>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `logger`
[INFO] [stdout]    --> src/chain/keysinterface.rs:486:2
[INFO] [stdout]     |
[INFO] [stdout] 486 |     logger: Arc<Logger>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 64 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "8b2042633ebc75d35dfd5b6c9162b1c4970eebf46b1b6b2b8274153298b89532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b2042633ebc75d35dfd5b6c9162b1c4970eebf46b1b6b2b8274153298b89532", kill_on_drop: false }`
[INFO] [stdout] 8b2042633ebc75d35dfd5b6c9162b1c4970eebf46b1b6b2b8274153298b89532
