[INFO] fetching crate routecore 0.5.0-rc1...
[INFO] checking routecore-0.5.0-rc1 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] extracting crate routecore 0.5.0-rc1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate routecore 0.5.0-rc1 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate routecore 0.5.0-rc1
[INFO] finished tweaking crates.io crate routecore 0.5.0-rc1
[INFO] tweaked toml for crates.io crate routecore 0.5.0-rc1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 52 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.22.0 (latest: v0.24.1)
[INFO] [stderr]       Adding gimli v0.29.0 (latest: v0.31.0)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (latest: v0.4.0)
[INFO] [stderr]       Adding miniz_oxide v0.7.4 (latest: v0.8.0)
[INFO] [stderr]       Adding octseq v0.4.0 (latest: v0.5.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (latest: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_test v1.0.177
[INFO] [stderr]   Downloaded octseq v0.4.0
[INFO] [stderr]   Downloaded const-str-proc-macro v0.5.7
[INFO] [stderr]   Downloaded inetnum v0.1.0
[INFO] [stderr]   Downloaded const-str v0.5.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97d76dea2d146b2d98cf347d91c3cc17abf7ee21b92f63600ebd19131fb4b996
[INFO] running `Command { std: "docker" "start" "-a" "97d76dea2d146b2d98cf347d91c3cc17abf7ee21b92f63600ebd19131fb4b996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97d76dea2d146b2d98cf347d91c3cc17abf7ee21b92f63600ebd19131fb4b996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97d76dea2d146b2d98cf347d91c3cc17abf7ee21b92f63600ebd19131fb4b996", kill_on_drop: false }`
[INFO] [stdout] 97d76dea2d146b2d98cf347d91c3cc17abf7ee21b92f63600ebd19131fb4b996
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bdd9919d7865febd9c5aa623e2d30438bbc2828fd83b6203bebbec754bfc6eb
[INFO] running `Command { std: "docker" "start" "-a" "5bdd9919d7865febd9c5aa623e2d30438bbc2828fd83b6203bebbec754bfc6eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking octseq v0.4.0
[INFO] [stderr]     Checking memmap2 v0.9.4
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling derive_arbitrary v1.3.2
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling const-str-proc-macro v0.5.7
[INFO] [stderr]     Checking arbitrary v1.3.2
[INFO] [stderr]     Checking const-str v0.5.7
[INFO] [stderr]     Checking serde v1.0.209
[INFO] [stderr]     Checking inetnum v0.1.0
[INFO] [stderr]     Checking serde_test v1.0.177
[INFO] [stderr]     Checking routecore v0.5.0-rc1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/bgp/message/update_builder.rs:140:12
[INFO] [stdout]     |
[INFO] [stdout] 140 |         if let Ok(wireformat) = aspath.to_as_path::<Vec<u8>>() {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/bgp/message/update_builder.rs:140:12
[INFO] [stdout]     |
[INFO] [stdout] 140 |         if let Ok(wireformat) = aspath.to_as_path::<Vec<u8>>() {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.22s
[INFO] running `Command { std: "docker" "inspect" "5bdd9919d7865febd9c5aa623e2d30438bbc2828fd83b6203bebbec754bfc6eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bdd9919d7865febd9c5aa623e2d30438bbc2828fd83b6203bebbec754bfc6eb", kill_on_drop: false }`
[INFO] [stdout] 5bdd9919d7865febd9c5aa623e2d30438bbc2828fd83b6203bebbec754bfc6eb