[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] checking vesy-io/vesy-rs against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvesy-io%2Fvesy-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vesy-io/vesy-rs on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 76be617c6e028e2ba5b0a2040e32d1b5f7a51d2008ea17d9b0bffb186efa4325
[INFO] running `Command { std: "docker" "start" "-a" "76be617c6e028e2ba5b0a2040e32d1b5f7a51d2008ea17d9b0bffb186efa4325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76be617c6e028e2ba5b0a2040e32d1b5f7a51d2008ea17d9b0bffb186efa4325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76be617c6e028e2ba5b0a2040e32d1b5f7a51d2008ea17d9b0bffb186efa4325", kill_on_drop: false }`
[INFO] [stdout] 76be617c6e028e2ba5b0a2040e32d1b5f7a51d2008ea17d9b0bffb186efa4325
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e93de32a1b72a21703c6f65229c82a992bdca675f4dccb4e47fd747733ee3ab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1e93de32a1b72a21703c6f65229c82a992bdca675f4dccb4e47fd747733ee3ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking z3-sys v0.5.0
[INFO] [stderr]     Checking z3 v0.4.0
[INFO] [stderr]     Checking 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] [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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.56s
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1e93de32a1b72a21703c6f65229c82a992bdca675f4dccb4e47fd747733ee3ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e93de32a1b72a21703c6f65229c82a992bdca675f4dccb4e47fd747733ee3ab", kill_on_drop: false }`
[INFO] [stdout] 1e93de32a1b72a21703c6f65229c82a992bdca675f4dccb4e47fd747733ee3ab