[INFO] fetching crate pso 0.2.0...
[INFO] building pso-0.2.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate pso 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate pso 0.2.0
[INFO] finished tweaking crates.io crate pso 0.2.0
[INFO] tweaked toml for crates.io crate pso 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pso 0.2.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 46 packages to latest compatible versions
[INFO] [stderr]       Adding colour v0.5.0 (available: v2.1.0)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9037c76805baa4b251f30511b456ffcf5ebccd87aad4cd89d6c6564e7713f79c
[INFO] running `Command { std: "docker" "start" "-a" "9037c76805baa4b251f30511b456ffcf5ebccd87aad4cd89d6c6564e7713f79c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9037c76805baa4b251f30511b456ffcf5ebccd87aad4cd89d6c6564e7713f79c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9037c76805baa4b251f30511b456ffcf5ebccd87aad4cd89d6c6564e7713f79c", kill_on_drop: false }`
[INFO] [stdout] 9037c76805baa4b251f30511b456ffcf5ebccd87aad4cd89d6c6564e7713f79c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b74400c5071e9395a8fb521f8b542d71bff7384aa2d6007cba97dd835a2017eb
[INFO] running `Command { std: "docker" "start" "-a" "b74400c5071e9395a8fb521f8b542d71bff7384aa2d6007cba97dd835a2017eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.7.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling crossterm v0.16.0
[INFO] [stderr]    Compiling colour v0.5.0
[INFO] [stderr]    Compiling pso v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `num_swarms` and `verbose` are never read
[INFO] [stdout]   --> src/optimizer.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct PSO {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 51 |     num_swarms: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 52 |     swarm_configs: Vec<SwarmConfig>,
[INFO] [stdout] 53 |     verbose: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PSO` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.18s
[INFO] running `Command { std: "docker" "inspect" "b74400c5071e9395a8fb521f8b542d71bff7384aa2d6007cba97dd835a2017eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b74400c5071e9395a8fb521f8b542d71bff7384aa2d6007cba97dd835a2017eb", kill_on_drop: false }`
[INFO] [stdout] b74400c5071e9395a8fb521f8b542d71bff7384aa2d6007cba97dd835a2017eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f926d50acb3d8c08c6319f16bfa8942002d87f722da1d9bc0f59b758cf059e4
[INFO] running `Command { std: "docker" "start" "-a" "9f926d50acb3d8c08c6319f16bfa8942002d87f722da1d9bc0f59b758cf059e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling pso v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `num_swarms` and `verbose` are never read
[INFO] [stdout]   --> src/optimizer.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct PSO {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 51 |     num_swarms: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 52 |     swarm_configs: Vec<SwarmConfig>,
[INFO] [stdout] 53 |     verbose: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PSO` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `num_swarms` and `verbose` are never read
[INFO] [stdout]   --> src/optimizer.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct PSO {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 51 |     num_swarms: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 52 |     swarm_configs: Vec<SwarmConfig>,
[INFO] [stdout] 53 |     verbose: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PSO` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "9f926d50acb3d8c08c6319f16bfa8942002d87f722da1d9bc0f59b758cf059e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f926d50acb3d8c08c6319f16bfa8942002d87f722da1d9bc0f59b758cf059e4", kill_on_drop: false }`
[INFO] [stdout] 9f926d50acb3d8c08c6319f16bfa8942002d87f722da1d9bc0f59b758cf059e4