[INFO] fetching crate pso 0.2.0...
[INFO] checking pso-0.2.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate pso 0.2.0 into /workspace/builds/worker-7-tc1/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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pso 0.2.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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: v0.9.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded colour v0.5.0
[INFO] [stderr]   Downloaded crossterm v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c892484825d9ebdc4535aa7a5612d501fc993513f3049ae42f1f4b4bc97bb642
[INFO] running `Command { std: "docker" "start" "-a" "c892484825d9ebdc4535aa7a5612d501fc993513f3049ae42f1f4b4bc97bb642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c892484825d9ebdc4535aa7a5612d501fc993513f3049ae42f1f4b4bc97bb642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c892484825d9ebdc4535aa7a5612d501fc993513f3049ae42f1f4b4bc97bb642", kill_on_drop: false }`
[INFO] [stdout] c892484825d9ebdc4535aa7a5612d501fc993513f3049ae42f1f4b4bc97bb642
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02b3077abdf536122be778a2be25be6ead77067e1fd7b648b61919b72d726177
[INFO] running `Command { std: "docker" "start" "-a" "02b3077abdf536122be778a2be25be6ead77067e1fd7b648b61919b72d726177", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking parking_lot_core v0.7.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking crossterm v0.16.0
[INFO] [stderr]     Checking colour v0.5.0
[INFO] [stderr]     Checking 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.17s
[INFO] running `Command { std: "docker" "inspect" "02b3077abdf536122be778a2be25be6ead77067e1fd7b648b61919b72d726177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02b3077abdf536122be778a2be25be6ead77067e1fd7b648b61919b72d726177", kill_on_drop: false }`
[INFO] [stdout] 02b3077abdf536122be778a2be25be6ead77067e1fd7b648b61919b72d726177