[INFO] fetching crate system_solver 0.2.0...
[INFO] testing system_solver-0.2.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate system_solver 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] removed /workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate system_solver 0.2.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] c07f3079074fcf10486857033498fa612531f55c9967a589d0c59d337250d5fd
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f50969f646bce1357eb50217e4ef4e93234d838af304d5e286f5f63ca39de68a
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[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 57.80s
[INFO] running `Command { std: "docker" "inspect" "f50969f646bce1357eb50217e4ef4e93234d838af304d5e286f5f63ca39de68a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f50969f646bce1357eb50217e4ef4e93234d838af304d5e286f5f63ca39de68a", kill_on_drop: false }`
[INFO] [stdout] f50969f646bce1357eb50217e4ef4e93234d838af304d5e286f5f63ca39de68a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 221305c1a680cfe4044f6fb9b90b971ef38f36e4435e2bff32a7b0c9ac628ae5
[INFO] running `Command { std: "docker" "start" "-a" "221305c1a680cfe4044f6fb9b90b971ef38f36e4435e2bff32a7b0c9ac628ae5", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.3.4
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[INFO] [stderr]    Compiling tempfile v3.24.0
[INFO] [stderr]    Compiling field_names_and_counts v0.1.0
[INFO] [stderr]    Compiling rusty-fork v0.3.1
[INFO] [stderr]    Compiling proptest v1.9.0
[INFO] [stderr]    Compiling darling_macro v0.21.3
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[INFO] [stderr]    Compiling serde_with_macros v3.16.1
[INFO] [stderr]    Compiling serde_with v3.16.1
[INFO] [stderr]    Compiling argmin-math v0.5.1
[INFO] [stderr]    Compiling ad_trait_fork v0.2.2
[INFO] [stderr]    Compiling nalgebra_block_triangularization v0.1.0
[INFO] [stderr]    Compiling argmin v0.11.0
[INFO] [stderr]    Compiling 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 `test` profile [unoptimized + debuginfo] target(s) in 33.58s
[INFO] running `Command { std: "docker" "inspect" "221305c1a680cfe4044f6fb9b90b971ef38f36e4435e2bff32a7b0c9ac628ae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "221305c1a680cfe4044f6fb9b90b971ef38f36e4435e2bff32a7b0c9ac628ae5", kill_on_drop: false }`
[INFO] [stdout] 221305c1a680cfe4044f6fb9b90b971ef38f36e4435e2bff32a7b0c9ac628ae5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 18c55758c3baff17ee19dd9056fc3cb31c4c2d9b494d1dab9a915730eb2dd453
[INFO] running `Command { std: "docker" "start" "-a" "18c55758c3baff17ee19dd9056fc3cb31c4c2d9b494d1dab9a915730eb2dd453", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `IterState` and `OptimizationResult`
[INFO] [stderr]  --> src/equation_system/opt_tools.rs:3:27
[INFO] [stderr]   |
[INFO] [stderr] 3 | use argmin::core::{Error, IterState, KV, OptimizationResult, State, observers::Observe};
[INFO] [stderr]   |                           ^^^^^^^^^      ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `SubProblem` and `link_fns_hof::LinkFns`
[INFO] [stderr]  --> src/equation_system/opt_tools.rs:5:22
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::prelude::{SubProblem, link_fns_hof::LinkFns};
[INFO] [stderr]   |                      ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `system_solver` (lib) generated 2 warnings (run `cargo fix --lib -p system_solver` to apply 2 suggestions)
[INFO] [stderr] warning: `system_solver` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/system_solver-f61cedad3d3d0d50)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests system_solver
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/equation_system/residuals/sys_residuals.rs - equation_system::residuals::sys_residuals::impl_sys_residuals (line 47) ... ignored
[INFO] [stdout] test src/equation_system/residuals/sys_residuals.rs - equation_system::residuals::sys_residuals::impl_sys_residuals (line 66) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.31s; merged doctests compilation took 0.31s
[INFO] running `Command { std: "docker" "inspect" "18c55758c3baff17ee19dd9056fc3cb31c4c2d9b494d1dab9a915730eb2dd453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18c55758c3baff17ee19dd9056fc3cb31c4c2d9b494d1dab9a915730eb2dd453", kill_on_drop: false }`
[INFO] [stdout] 18c55758c3baff17ee19dd9056fc3cb31c4c2d9b494d1dab9a915730eb2dd453