[INFO] cloning repository https://github.com/vesy-io/vesy-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vesy-io/vesy-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvesy-io%2Fvesy-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvesy-io%2Fvesy-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 128436249d22dd0ede9d866f6a020a18c5300adc
[INFO] testing vesy-io/vesy-rs against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvesy-io%2Fvesy-rs" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vesy-io/vesy-rs on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vesy-io/vesy-rs
[INFO] finished tweaking git repo https://github.com/vesy-io/vesy-rs
[INFO] tweaked toml for git repo https://github.com/vesy-io/vesy-rs written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/vesy-io/vesy-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded z3-sys v0.5.0
[INFO] [stderr]   Downloaded z3 v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 462a9224b4bb29d84cab27bf6959bb790fe62c51f764ed944d173f49f146c116
[INFO] running `Command { std: "docker" "start" "-a" "462a9224b4bb29d84cab27bf6959bb790fe62c51f764ed944d173f49f146c116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "462a9224b4bb29d84cab27bf6959bb790fe62c51f764ed944d173f49f146c116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "462a9224b4bb29d84cab27bf6959bb790fe62c51f764ed944d173f49f146c116", kill_on_drop: false }`
[INFO] [stdout] 462a9224b4bb29d84cab27bf6959bb790fe62c51f764ed944d173f49f146c116
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03a115aeba6404b8aa2f5a32aaa688c635bf088da54733103fe94e28ddb90d8b
[INFO] running `Command { std: "docker" "start" "-a" "03a115aeba6404b8aa2f5a32aaa688c635bf088da54733103fe94e28ddb90d8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling z3-sys v0.5.0
[INFO] [stderr]    Compiling z3 v0.4.0
[INFO] [stderr]    Compiling test_z3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/main.rs:27:56
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn NewConst(ctx: &'a Context, variable_name: &str, value: i32 ) -> ConcolicInt<'a> {
[INFO] [stdout]    |                                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iterations`
[INFO] [stdout]    --> src/main.rs:142:13
[INFO] [stdout]     |
[INFO] [stdout] 142 |         for iterations in 0..100 {
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_iterations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bool`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Bool(ConcolicBool<'a>)
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `New` should have a snake case name
[INFO] [stdout]   --> src/main.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn New(ctx: &'a Context, value: i32 ) -> ConcolicInt<'a> {
[INFO] [stdout]    |        ^^^ help: convert the identifier to snake case: `new`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `NewConst` should have a snake case name
[INFO] [stdout]   --> src/main.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn NewConst(ctx: &'a Context, variable_name: &str, value: i32 ) -> ConcolicInt<'a> {
[INFO] [stdout]    |        ^^^^^^^^ help: convert the identifier to snake case: `new_const`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.52s
[INFO] running `Command { std: "docker" "inspect" "03a115aeba6404b8aa2f5a32aaa688c635bf088da54733103fe94e28ddb90d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03a115aeba6404b8aa2f5a32aaa688c635bf088da54733103fe94e28ddb90d8b", kill_on_drop: false }`
[INFO] [stdout] 03a115aeba6404b8aa2f5a32aaa688c635bf088da54733103fe94e28ddb90d8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f000dfb46025aad3c1a2c8124108ed2e53da3d184aeec8f1bfd5f4e5a39281b
[INFO] running `Command { std: "docker" "start" "-a" "5f000dfb46025aad3c1a2c8124108ed2e53da3d184aeec8f1bfd5f4e5a39281b", kill_on_drop: false }`
[INFO] [stderr]    Compiling test_z3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/main.rs:27:56
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn NewConst(ctx: &'a Context, variable_name: &str, value: i32 ) -> ConcolicInt<'a> {
[INFO] [stdout]    |                                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iterations`
[INFO] [stdout]    --> src/main.rs:142:13
[INFO] [stdout]     |
[INFO] [stdout] 142 |         for iterations in 0..100 {
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_iterations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bool`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Bool(ConcolicBool<'a>)
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `New` should have a snake case name
[INFO] [stdout]   --> src/main.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn New(ctx: &'a Context, value: i32 ) -> ConcolicInt<'a> {
[INFO] [stdout]    |        ^^^ help: convert the identifier to snake case: `new`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `NewConst` should have a snake case name
[INFO] [stdout]   --> src/main.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn NewConst(ctx: &'a Context, variable_name: &str, value: i32 ) -> ConcolicInt<'a> {
[INFO] [stdout]    |        ^^^^^^^^ help: convert the identifier to snake case: `new_const`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "5f000dfb46025aad3c1a2c8124108ed2e53da3d184aeec8f1bfd5f4e5a39281b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f000dfb46025aad3c1a2c8124108ed2e53da3d184aeec8f1bfd5f4e5a39281b", kill_on_drop: false }`
[INFO] [stdout] 5f000dfb46025aad3c1a2c8124108ed2e53da3d184aeec8f1bfd5f4e5a39281b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8dbfb17479d02bc94a6817dfdf34e4723f729cd530d8c36f25abb2b16b64a231
[INFO] running `Command { std: "docker" "start" "-a" "8dbfb17479d02bc94a6817dfdf34e4723f729cd530d8c36f25abb2b16b64a231", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:27:56
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 27 |     fn NewConst(ctx: &'a Context, variable_name: &str, value: i32 ) -> ConcolicInt<'a> {
[INFO] [stdout] 
[INFO] [stderr]    |                                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `iterations`
[INFO] [stderr]    --> src/main.rs:142:13
[INFO] [stderr]     |
[INFO] [stderr] 142 |         for iterations in 0..100 {
[INFO] [stderr]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_iterations`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bool`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Bool(ConcolicBool<'a>)
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `New` should have a snake case name
[INFO] [stderr]   --> src/main.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn New(ctx: &'a Context, value: i32 ) -> ConcolicInt<'a> {
[INFO] [stderr]    |        ^^^ help: convert the identifier to snake case: `new`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `NewConst` should have a snake case name
[INFO] [stderr]   --> src/main.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn NewConst(ctx: &'a Context, variable_name: &str, value: i32 ) -> ConcolicInt<'a> {
[INFO] [stderr]    |        ^^^^^^^^ help: convert the identifier to snake case: `new_const`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/test_z3-a13e10f117a3d659)
[INFO] running `Command { std: "docker" "inspect" "8dbfb17479d02bc94a6817dfdf34e4723f729cd530d8c36f25abb2b16b64a231", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dbfb17479d02bc94a6817dfdf34e4723f729cd530d8c36f25abb2b16b64a231", kill_on_drop: false }`
[INFO] [stdout] 8dbfb17479d02bc94a6817dfdf34e4723f729cd530d8c36f25abb2b16b64a231