[INFO] cloning repository https://github.com/xeouz/calculus-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xeouz/calculus-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxeouz%2Fcalculus-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxeouz%2Fcalculus-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b600fb99862b13e7e2dcaca558ee44fead136ca5
[INFO] checking xeouz/calculus-solver against master#18a029cfe8e761533634bda8fe8a14e30280a21b for pr-139646
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxeouz%2Fcalculus-solver" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xeouz/calculus-solver on toolchain 18a029cfe8e761533634bda8fe8a14e30280a21b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xeouz/calculus-solver
[INFO] finished tweaking git repo https://github.com/xeouz/calculus-solver
[INFO] tweaked toml for git repo https://github.com/xeouz/calculus-solver written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/xeouz/calculus-solver 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" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7765f5f71b5b2ca3ab8ea2cd732d94657485e13982fe777da69eea6d135db4ee
[INFO] running `Command { std: "docker" "start" "-a" "7765f5f71b5b2ca3ab8ea2cd732d94657485e13982fe777da69eea6d135db4ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7765f5f71b5b2ca3ab8ea2cd732d94657485e13982fe777da69eea6d135db4ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7765f5f71b5b2ca3ab8ea2cd732d94657485e13982fe777da69eea6d135db4ee", kill_on_drop: false }`
[INFO] [stdout] 7765f5f71b5b2ca3ab8ea2cd732d94657485e13982fe777da69eea6d135db4ee
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a864b80069220405f4d47aaf600c577cc3de0cd55cfe8caaa9e591719530e878
[INFO] running `Command { std: "docker" "start" "-a" "a864b80069220405f4d47aaf600c577cc3de0cd55cfe8caaa9e591719530e878", kill_on_drop: false }`
[INFO] [stderr]     Checking dyn-clone v1.0.17
[INFO] [stderr]     Checking calculus-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `SummationFunction`, `VariableTerm`, and `create_number`
[INFO] [stdout]  --> src/main.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use entity::entity::{create_number, create_variable, Entity, MultiplicationFunction, SummationFunction, VariableTerm};
[INFO] [stdout]   |                      ^^^^^^^^^^^^^                                                   ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `borrow::Borrow`
[INFO] [stdout]  --> src/entity.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 |     use std::{any::Any, borrow::Borrow, collections::HashMap, marker::PhantomData};
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SummationFunction`, `VariableTerm`, and `create_number`
[INFO] [stdout]  --> src/main.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use entity::entity::{create_number, create_variable, Entity, MultiplicationFunction, SummationFunction, VariableTerm};
[INFO] [stdout]   |                      ^^^^^^^^^^^^^                                                   ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `borrow::Borrow`
[INFO] [stdout]  --> src/entity.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 |     use std::{any::Any, borrow::Borrow, collections::HashMap, marker::PhantomData};
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `variable_wrt` is never read
[INFO] [stdout]    --> src/entity.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub struct DataState {
[INFO] [stdout]     |                --------- field in this struct
[INFO] [stdout] 115 |         variable_wrt: VariableIdentifier,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `variable_wrt` is never read
[INFO] [stdout]    --> src/entity.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub struct DataState {
[INFO] [stdout]     |                --------- field in this struct
[INFO] [stdout] 115 |         variable_wrt: VariableIdentifier,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "a864b80069220405f4d47aaf600c577cc3de0cd55cfe8caaa9e591719530e878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a864b80069220405f4d47aaf600c577cc3de0cd55cfe8caaa9e591719530e878", kill_on_drop: false }`
[INFO] [stdout] a864b80069220405f4d47aaf600c577cc3de0cd55cfe8caaa9e591719530e878