[INFO] cloning repository https://github.com/FukudaTaiga/solver_with_symbolic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FukudaTaiga/solver_with_symbolic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFukudaTaiga%2Fsolver_with_symbolic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFukudaTaiga%2Fsolver_with_symbolic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2a587a1670b08dea167bfead4a83396cbd65999
[INFO] checking FukudaTaiga/solver_with_symbolic against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFukudaTaiga%2Fsolver_with_symbolic" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FukudaTaiga/solver_with_symbolic on toolchain 2e6fc425411280c658d852813de01c5157255088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FukudaTaiga/solver_with_symbolic
[INFO] finished tweaking git repo https://github.com/FukudaTaiga/solver_with_symbolic
[INFO] tweaked toml for git repo https://github.com/FukudaTaiga/solver_with_symbolic written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/FukudaTaiga/solver_with_symbolic 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" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pomelo v0.1.5
[INFO] [stderr]   Downloaded structopt v0.3.23
[INFO] [stderr]   Downloaded permutation_iterator v0.1.2
[INFO] [stderr]   Downloaded structopt-derive v0.4.16
[INFO] [stderr]   Downloaded pomelo-impl v0.1.5
[INFO] [stderr]   Downloaded smt2parser v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e959ce32e99b9df973d4cc0f84591748cc0b3fcdccc16616bc4b4e51bf88ee8b
[INFO] running `Command { std: "docker" "start" "-a" "e959ce32e99b9df973d4cc0f84591748cc0b3fcdccc16616bc4b4e51bf88ee8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e959ce32e99b9df973d4cc0f84591748cc0b3fcdccc16616bc4b4e51bf88ee8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e959ce32e99b9df973d4cc0f84591748cc0b3fcdccc16616bc4b4e51bf88ee8b", kill_on_drop: false }`
[INFO] [stdout] e959ce32e99b9df973d4cc0f84591748cc0b3fcdccc16616bc4b4e51bf88ee8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1264f563eb253712c0d96517f9eb6d2f16d643fc95897b3cd8a6fcc9535d4aa
[INFO] running `Command { std: "docker" "start" "-a" "d1264f563eb253712c0d96517f9eb6d2f16d643fc95897b3cd8a6fcc9535d4aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling fst v0.4.7
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking permutation_iterator v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling pomelo-impl v0.1.5
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]     Checking structopt v0.3.23
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking pomelo v0.1.5
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking smt2parser v0.6.1
[INFO] [stderr]     Checking solver_with_symbolic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `LinearTerm` is never constructed
[INFO] [stdout]   --> src/smt2.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct LinearTerm {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IntLinearConstraint` is never constructed
[INFO] [stdout]    --> src/smt2.rs:237:12
[INFO] [stdout]     |
[INFO] [stdout] 237 | pub struct IntLinearConstraint(VarIndex, Vec<LinearTerm>);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `initial_state_mut` is never used
[INFO] [stdout]   --> src/state.rs:83:6
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub trait StateMachine: Sized {
[INFO] [stdout]    |           ------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 83 |   fn initial_state_mut(&mut self) -> &mut Self::StateType;
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `HashSetExt` is never used
[INFO] [stdout]    --> src/util.rs:117:20
[INFO] [stdout]     |
[INFO] [stdout] 117 |   pub(crate) trait HashSetExt: std::marker::Sized {
[INFO] [stdout]     |                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LinearTerm` is never constructed
[INFO] [stdout]   --> src/smt2.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct LinearTerm {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IntLinearConstraint` is never constructed
[INFO] [stdout]    --> src/smt2.rs:237:12
[INFO] [stdout]     |
[INFO] [stdout] 237 | pub struct IntLinearConstraint(VarIndex, Vec<LinearTerm>);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `initial_state_mut` is never used
[INFO] [stdout]   --> src/state.rs:83:6
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub trait StateMachine: Sized {
[INFO] [stdout]    |           ------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 83 |   fn initial_state_mut(&mut self) -> &mut Self::StateType;
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `HashSetExt` is never used
[INFO] [stdout]    --> src/util.rs:117:20
[INFO] [stdout]     |
[INFO] [stdout] 117 |   pub(crate) trait HashSetExt: std::marker::Sized {
[INFO] [stdout]     |                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.83s
[INFO] running `Command { std: "docker" "inspect" "d1264f563eb253712c0d96517f9eb6d2f16d643fc95897b3cd8a6fcc9535d4aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1264f563eb253712c0d96517f9eb6d2f16d643fc95897b3cd8a6fcc9535d4aa", kill_on_drop: false }`
[INFO] [stdout] d1264f563eb253712c0d96517f9eb6d2f16d643fc95897b3cd8a6fcc9535d4aa