[INFO] fetching crate routecore 0.5.0-rc1...
[INFO] checking routecore-0.5.0-rc1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate routecore 0.5.0-rc1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate routecore 0.5.0-rc1 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 49 packages to latest compatible versions
[INFO] [stderr]       Adding heck v0.4.1 (available: v0.5.0)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding octseq v0.4.0 (available: v0.5.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adde5decf7dcad4fd3bc318e3c75eef458afb1c2efcc46d3c233dfb07b3df0b5
[INFO] running `Command { std: "docker" "start" "-a" "adde5decf7dcad4fd3bc318e3c75eef458afb1c2efcc46d3c233dfb07b3df0b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adde5decf7dcad4fd3bc318e3c75eef458afb1c2efcc46d3c233dfb07b3df0b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adde5decf7dcad4fd3bc318e3c75eef458afb1c2efcc46d3c233dfb07b3df0b5", kill_on_drop: false }`
[INFO] [stdout] adde5decf7dcad4fd3bc318e3c75eef458afb1c2efcc46d3c233dfb07b3df0b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df02b9746600cdfbe7453b4e7739bbbed2bfa531fba0eb8a73ab88ad2b1b4247
[INFO] running `Command { std: "docker" "start" "-a" "df02b9746600cdfbe7453b4e7739bbbed2bfa531fba0eb8a73ab88ad2b1b4247", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking bytes v1.7.2
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking memmap2 v0.9.5
[INFO] [stderr]     Checking octseq v0.4.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling derive_arbitrary v1.3.2
[INFO] [stderr]    Compiling const-str-proc-macro v0.5.7
[INFO] [stderr]     Checking const-str v0.5.7
[INFO] [stderr]     Checking arbitrary v1.3.2
[INFO] [stderr]     Checking serde v1.0.210
[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 18.07s
[INFO] running `Command { std: "docker" "inspect" "df02b9746600cdfbe7453b4e7739bbbed2bfa531fba0eb8a73ab88ad2b1b4247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df02b9746600cdfbe7453b4e7739bbbed2bfa531fba0eb8a73ab88ad2b1b4247", kill_on_drop: false }`
[INFO] [stdout] df02b9746600cdfbe7453b4e7739bbbed2bfa531fba0eb8a73ab88ad2b1b4247