[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 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvesy-io%2Fvesy-rs" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vesy-io/vesy-rs on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-24/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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded z3 v0.4.0
[INFO] [stderr]   Downloaded z3-sys v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b77e106b8f9bcec21231ce4e51024f0fa89febbf219e030f48a18f11928af8c
[INFO] running `Command { std: "docker" "start" "-a" "7b77e106b8f9bcec21231ce4e51024f0fa89febbf219e030f48a18f11928af8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b77e106b8f9bcec21231ce4e51024f0fa89febbf219e030f48a18f11928af8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b77e106b8f9bcec21231ce4e51024f0fa89febbf219e030f48a18f11928af8c", kill_on_drop: false }`
[INFO] [stdout] 7b77e106b8f9bcec21231ce4e51024f0fa89febbf219e030f48a18f11928af8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7bf629bd70173d954980ded99e11f1205e06c1c724264b43333b0cf6b9c8d0b
[INFO] running `Command { std: "docker" "start" "-a" "e7bf629bd70173d954980ded99e11f1205e06c1c724264b43333b0cf6b9c8d0b", kill_on_drop: false }`
[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 3.93s
[INFO] running `Command { std: "docker" "inspect" "e7bf629bd70173d954980ded99e11f1205e06c1c724264b43333b0cf6b9c8d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7bf629bd70173d954980ded99e11f1205e06c1c724264b43333b0cf6b9c8d0b", kill_on_drop: false }`
[INFO] [stdout] e7bf629bd70173d954980ded99e11f1205e06c1c724264b43333b0cf6b9c8d0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 161b9f373e7d1759c92a0c2202f606a08ed347ae4da630595972d3d82ebd3cb6
[INFO] running `Command { std: "docker" "start" "-a" "161b9f373e7d1759c92a0c2202f606a08ed347ae4da630595972d3d82ebd3cb6", 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 0.36s
[INFO] running `Command { std: "docker" "inspect" "161b9f373e7d1759c92a0c2202f606a08ed347ae4da630595972d3d82ebd3cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "161b9f373e7d1759c92a0c2202f606a08ed347ae4da630595972d3d82ebd3cb6", kill_on_drop: false }`
[INFO] [stdout] 161b9f373e7d1759c92a0c2202f606a08ed347ae4da630595972d3d82ebd3cb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 274f18c37d514a828df8111bc2c4c4963bfbca3f561315ce26e1863f9349a7de
[INFO] running `Command { std: "docker" "start" "-a" "274f18c37d514a828df8111bc2c4c4963bfbca3f561315ce26e1863f9349a7de", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/main.rs:27:56
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn NewConst(ctx: &'a Context, variable_name: &str, value: i32 ) -> ConcolicInt<'a> {
[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: `test_z3` (bin "test_z3" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/test_z3-c75d8e0e2c8ac2fa)
[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] running `Command { std: "docker" "inspect" "274f18c37d514a828df8111bc2c4c4963bfbca3f561315ce26e1863f9349a7de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "274f18c37d514a828df8111bc2c4c4963bfbca3f561315ce26e1863f9349a7de", kill_on_drop: false }`
[INFO] [stdout] 274f18c37d514a828df8111bc2c4c4963bfbca3f561315ce26e1863f9349a7de