[INFO] fetching crate lightning-invoice 0.26.0...
[INFO] checking lightning-invoice-0.26.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate lightning-invoice 0.26.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate lightning-invoice 0.26.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lightning-invoice 0.26.0
[INFO] finished tweaking crates.io crate lightning-invoice 0.26.0
[INFO] tweaked toml for crates.io crate lightning-invoice 0.26.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 30 packages
[INFO] [stderr]       Adding ahash v0.3.8 (latest: v0.8.11)
[INFO] [stderr]       Adding bech32 v0.9.1 (latest: v0.11.0)
[INFO] [stderr]       Adding bitcoin v0.29.2 (latest: v0.31.2)
[INFO] [stderr]       Adding bitcoin_hashes v0.11.0 (latest: v0.14.0)
[INFO] [stderr]       Adding bitcoinconsensus v0.20.2-0.5.0 (latest: v0.106.0+26.0)
[INFO] [stderr]       Adding core2 v0.3.3 (latest: v0.4.0)
[INFO] [stderr]       Adding hashbrown v0.8.2 (latest: v0.14.3)
[INFO] [stderr]       Adding lightning v0.0.118 (latest: v0.0.121)
[INFO] [stderr]       Adding secp256k1 v0.24.3 (latest: v0.29.0)
[INFO] [stderr]       Adding secp256k1-sys v0.6.1 (latest: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded core2 v0.3.3
[INFO] [stderr]   Downloaded bitcoinconsensus v0.20.2-0.5.0
[INFO] [stderr]   Downloaded lightning v0.0.118
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 114684d04469ed9ec6e59b83b28eee21d5f621ff75b3009ac8e5c3330324f10d
[INFO] running `Command { std: "docker" "start" "-a" "114684d04469ed9ec6e59b83b28eee21d5f621ff75b3009ac8e5c3330324f10d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "114684d04469ed9ec6e59b83b28eee21d5f621ff75b3009ac8e5c3330324f10d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "114684d04469ed9ec6e59b83b28eee21d5f621ff75b3009ac8e5c3330324f10d", kill_on_drop: false }`
[INFO] [stdout] 114684d04469ed9ec6e59b83b28eee21d5f621ff75b3009ac8e5c3330324f10d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4df4678ee5361a5daaded9c49faf2eab36681d24e4b01064046cd586c2f4ff3
[INFO] running `Command { std: "docker" "start" "-a" "f4df4678ee5361a5daaded9c49faf2eab36681d24e4b01064046cd586c2f4ff3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking bitcoin_hashes v0.11.0
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking bech32 v0.9.1
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling secp256k1-sys v0.6.1
[INFO] [stderr]    Compiling bitcoinconsensus v0.20.2-0.5.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking secp256k1 v0.24.3
[INFO] [stderr]     Checking bitcoin v0.29.2
[INFO] [stderr]     Checking lightning v0.0.118
[INFO] [stderr]     Checking lightning-invoice v0.26.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]   --> src/utils.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use core::iter::Iterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Iterator` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `boxed::Box`, `collections::VecDeque`
[INFO] [stdout]   --> src/lib.rs:85:49
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub use alloc::{vec, vec::Vec, string::String, collections::VecDeque, boxed::Box};
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]   --> src/lib.rs:87:38
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub use std::collections::{HashMap, HashSet, hash_map};
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:91:10
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub use alloc::string::ToString;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MutexGuard`, `Mutex`
[INFO] [stdout]   --> src/lib.rs:99:24
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub use ::std::sync::{Mutex, MutexGuard};
[INFO] [stdout]    |                           ^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `VecDeque` is imported redundantly
[INFO] [stdout]    --> src/payment.rs:256:6
[INFO] [stdout]     |
[INFO] [stdout] 248 |     use super::*;
[INFO] [stdout]     |         -------- the item `VecDeque` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 256 |     use std::collections::VecDeque;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Duration` is imported redundantly
[INFO] [stdout]    --> src/payment.rs:257:30
[INFO] [stdout]     |
[INFO] [stdout] 248 |     use super::*;
[INFO] [stdout]     |         -------- the item `Duration` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 257 |     use std::time::{SystemTime, Duration};
[INFO] [stdout]     |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]   --> src/utils.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use core::iter::Iterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `boxed::Box`, `collections::VecDeque`
[INFO] [stdout]   --> src/lib.rs:85:49
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub use alloc::{vec, vec::Vec, string::String, collections::VecDeque, boxed::Box};
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]   --> src/lib.rs:87:38
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub use std::collections::{HashMap, HashSet, hash_map};
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:91:10
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub use alloc::string::ToString;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MutexGuard`, `Mutex`
[INFO] [stdout]   --> src/lib.rs:99:24
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub use ::std::sync::{Mutex, MutexGuard};
[INFO] [stdout]    |                           ^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PaymentSecret` is imported redundantly
[INFO] [stdout]   --> tests/ser_de.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use lightning::ln::PaymentSecret;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 | use lightning_invoice::*;
[INFO] [stdout]    |     -------------------- the item `PaymentSecret` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RoutingFees` is imported redundantly
[INFO] [stdout]   --> tests/ser_de.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use lightning::routing::gossip::RoutingFees;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 14 | use lightning::routing::router::{RouteHint, RouteHintHop};
[INFO] [stdout] 15 | use lightning_invoice::*;
[INFO] [stdout]    |     -------------------- the item `RoutingFees` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RouteHint` is imported redundantly
[INFO] [stdout]   --> tests/ser_de.rs:14:34
[INFO] [stdout]    |
[INFO] [stdout] 14 | use lightning::routing::router::{RouteHint, RouteHintHop};
[INFO] [stdout]    |                                  ^^^^^^^^^
[INFO] [stdout] 15 | use lightning_invoice::*;
[INFO] [stdout]    |     -------------------- the item `RouteHint` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RouteHintHop` is imported redundantly
[INFO] [stdout]   --> tests/ser_de.rs:14:45
[INFO] [stdout]    |
[INFO] [stdout] 14 | use lightning::routing::router::{RouteHint, RouteHintHop};
[INFO] [stdout]    |                                             ^^^^^^^^^^^^
[INFO] [stdout] 15 | use lightning_invoice::*;
[INFO] [stdout]    |     -------------------- the item `RouteHintHop` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.45s
[INFO] running `Command { std: "docker" "inspect" "f4df4678ee5361a5daaded9c49faf2eab36681d24e4b01064046cd586c2f4ff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4df4678ee5361a5daaded9c49faf2eab36681d24e4b01064046cd586c2f4ff3", kill_on_drop: false }`
[INFO] [stdout] f4df4678ee5361a5daaded9c49faf2eab36681d24e4b01064046cd586c2f4ff3