[INFO] fetching crate system_solver 0.2.0...
[INFO] checking system_solver-0.2.0 against master#656ccbe796ff98def9b555c118e1620c5389e3b2 for pr-133502-24
[INFO] extracting crate system_solver 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate system_solver 0.2.0
[INFO] finished tweaking crates.io crate system_solver 0.2.0
[INFO] tweaked toml for crates.io crate system_solver 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate system_solver 0.2.0 on toolchain 656ccbe796ff98def9b555c118e1620c5389e3b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate system_solver 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] bb6ce0ef95e5073e1b01320d8e1147015c3a3dbcb81c2cdc9096946a7bc81572
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[INFO] running `Command { std: "docker" "inspect" "bb6ce0ef95e5073e1b01320d8e1147015c3a3dbcb81c2cdc9096946a7bc81572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bb6ce0ef95e5073e1b01320d8e1147015c3a3dbcb81c2cdc9096946a7bc81572" "/opt/rustwide/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb6ce0ef95e5073e1b01320d8e1147015c3a3dbcb81c2cdc9096946a7bc81572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bb6ce0ef95e5073e1b01320d8e1147015c3a3dbcb81c2cdc9096946a7bc81572" "/opt/rustwide/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking system_solver v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `IterState` and `OptimizationResult`
[INFO] [stdout]  --> src/equation_system/opt_tools.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use argmin::core::{Error, IterState, KV, OptimizationResult, State, observers::Observe};
[INFO] [stdout]   |                           ^^^^^^^^^      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SubProblem` and `link_fns_hof::LinkFns`
[INFO] [stdout]  --> src/equation_system/opt_tools.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::prelude::{SubProblem, link_fns_hof::LinkFns};
[INFO] [stdout]   |                      ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IterState` and `OptimizationResult`
[INFO] [stdout]  --> src/equation_system/opt_tools.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use argmin::core::{Error, IterState, KV, OptimizationResult, State, observers::Observe};
[INFO] [stdout]   |                           ^^^^^^^^^      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SubProblem` and `link_fns_hof::LinkFns`
[INFO] [stdout]  --> src/equation_system/opt_tools.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::prelude::{SubProblem, link_fns_hof::LinkFns};
[INFO] [stdout]   |                      ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 51.93s
[INFO] running `Command { std: "docker" "inspect" "bb6ce0ef95e5073e1b01320d8e1147015c3a3dbcb81c2cdc9096946a7bc81572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb6ce0ef95e5073e1b01320d8e1147015c3a3dbcb81c2cdc9096946a7bc81572", kill_on_drop: false }`
[INFO] [stdout] bb6ce0ef95e5073e1b01320d8e1147015c3a3dbcb81c2cdc9096946a7bc81572
