[INFO] fetching crate sound_flow 0.3.0...
[INFO] building sound_flow-0.3.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate sound_flow 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate sound_flow 0.3.0
[INFO] finished tweaking crates.io crate sound_flow 0.3.0
[INFO] tweaked toml for crates.io crate sound_flow 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sound_flow 0.3.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] [stderr]       Adding petgraph v0.6.5 (available: v0.8.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enum_delegate_lib v0.2.0
[INFO] [stderr]   Downloaded enum_delegate v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ee91cbe550f26ce37f796dfcb970dbfee9f470fdf63f37163e4fc223b0d27d4
[INFO] running `Command { std: "docker" "start" "-a" "4ee91cbe550f26ce37f796dfcb970dbfee9f470fdf63f37163e4fc223b0d27d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ee91cbe550f26ce37f796dfcb970dbfee9f470fdf63f37163e4fc223b0d27d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ee91cbe550f26ce37f796dfcb970dbfee9f470fdf63f37163e4fc223b0d27d4", kill_on_drop: false }`
[INFO] [stdout] 4ee91cbe550f26ce37f796dfcb970dbfee9f470fdf63f37163e4fc223b0d27d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5f723a6f506c851633d115008d32f897c0ed134abec75b13788282b9be52faf
[INFO] running `Command { std: "docker" "start" "-a" "f5f723a6f506c851633d115008d32f897c0ed134abec75b13788282b9be52faf", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling enum_delegate_lib v0.2.0
[INFO] [stderr]    Compiling enum_delegate v0.2.0
[INFO] [stderr]    Compiling sound_flow v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.45s
[INFO] running `Command { std: "docker" "inspect" "f5f723a6f506c851633d115008d32f897c0ed134abec75b13788282b9be52faf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5f723a6f506c851633d115008d32f897c0ed134abec75b13788282b9be52faf", kill_on_drop: false }`
[INFO] [stdout] f5f723a6f506c851633d115008d32f897c0ed134abec75b13788282b9be52faf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 947bb5d0f452b34fc40613cbc57b3b58ea7dd91fc04d9f6c8d5ac426b32abb57
[INFO] running `Command { std: "docker" "start" "-a" "947bb5d0f452b34fc40613cbc57b3b58ea7dd91fc04d9f6c8d5ac426b32abb57", kill_on_drop: false }`
[INFO] [stderr]    Compiling sound_flow v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> tests/graph_execution.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn sockets(&self, config: &Self::Config) -> SocketDescription<Self::Data> {
[INFO] [stdout]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> tests/graph_execution.rs:31:23
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn sockets(&self, config: &Self::Config) -> SocketDescription<Self::Data> {
[INFO] [stdout]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> tests/graph_execution.rs:52:23
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn sockets(&self, config: &Self::Config) -> SocketDescription<Self::Data> {
[INFO] [stdout]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> tests/graph_validation.rs:23:23
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn sockets(&self, config: &Self::Config) -> SocketDescription<Self::Data> {
[INFO] [stdout]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> tests/graph_validation.rs:39:23
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn sockets(&self, config: &Self::Config) -> SocketDescription<Self::Data> {
[INFO] [stdout]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> tests/graph_validation.rs:56:23
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn sockets(&self, config: &Self::Config) -> SocketDescription<Self::Data> {
[INFO] [stdout]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "947bb5d0f452b34fc40613cbc57b3b58ea7dd91fc04d9f6c8d5ac426b32abb57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "947bb5d0f452b34fc40613cbc57b3b58ea7dd91fc04d9f6c8d5ac426b32abb57", kill_on_drop: false }`
[INFO] [stdout] 947bb5d0f452b34fc40613cbc57b3b58ea7dd91fc04d9f6c8d5ac426b32abb57