[INFO] fetching crate z3 0.10.0...
[INFO] testing z3-0.10.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate z3 0.10.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate z3 0.10.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate z3 0.10.0
[INFO] finished tweaking crates.io crate z3 0.10.0
[INFO] tweaked toml for crates.io crate z3 0.10.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-complex v0.2.4
[INFO] [stderr]   Downloaded num v0.2.1
[INFO] [stderr]   Downloaded z3-sys v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] e4fdfd1ccbb82d6078b77e5a493339b68a3e4eea56df0e2adc2fc94d4ef56ac7
[INFO] running `Command { std: "docker" "start" "-a" "e4fdfd1ccbb82d6078b77e5a493339b68a3e4eea56df0e2adc2fc94d4ef56ac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4fdfd1ccbb82d6078b77e5a493339b68a3e4eea56df0e2adc2fc94d4ef56ac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4fdfd1ccbb82d6078b77e5a493339b68a3e4eea56df0e2adc2fc94d4ef56ac7", kill_on_drop: false }`
[INFO] [stdout] e4fdfd1ccbb82d6078b77e5a493339b68a3e4eea56df0e2adc2fc94d4ef56ac7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbb250612f7f9898e5b84e75d5f3321232e21d19c7f289496d5f5239a9e08ffc
[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" "fbb250612f7f9898e5b84e75d5f3321232e21d19c7f289496d5f5239a9e08ffc", kill_on_drop: false }`
[INFO] [stderr]    Compiling z3-sys v0.6.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling z3 v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/optimize.rs:290:17
[INFO] [stdout]     |
[INFO] [stdout] 290 |               use super::*;
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 307 | / impl_sealed! {
[INFO] [stdout] 308 | |     u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize
[INFO] [stdout] 309 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `impl_sealed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/optimize.rs:239:29
[INFO] [stdout]     |
[INFO] [stdout] 239 |                       assert!(*self >= 0, "Weight cannot be negative");
[INFO] [stdout]     |                               ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 255 | / impl_weight! {
[INFO] [stdout] 256 | |     u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize
[INFO] [stdout] 257 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `impl_weight` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/optimize.rs:246:29
[INFO] [stdout]     |
[INFO] [stdout] 246 |                       assert!(self.0 >= 0, "Weight numerator cannot be negative");
[INFO] [stdout]     |                               ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 255 | / impl_weight! {
[INFO] [stdout] 256 | |     u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize
[INFO] [stdout] 257 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_weight` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/optimize.rs:247:29
[INFO] [stdout]     |
[INFO] [stdout] 247 |                       assert!(self.1 >= 0, "Weight denominator cannot be negative");
[INFO] [stdout]     |                               ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 255 | / impl_weight! {
[INFO] [stdout] 256 | |     u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize
[INFO] [stdout] 257 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_weight` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/optimize.rs:239:29
[INFO] [stdout]     |
[INFO] [stdout] 239 |                       assert!(*self >= 0, "Weight cannot be negative");
[INFO] [stdout]     |                               ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 255 | / impl_weight! {
[INFO] [stdout] 256 | |     u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize
[INFO] [stdout] 257 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_weight` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.26s
[INFO] running `Command { std: "docker" "inspect" "fbb250612f7f9898e5b84e75d5f3321232e21d19c7f289496d5f5239a9e08ffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbb250612f7f9898e5b84e75d5f3321232e21d19c7f289496d5f5239a9e08ffc", kill_on_drop: false }`
[INFO] [stdout] fbb250612f7f9898e5b84e75d5f3321232e21d19c7f289496d5f5239a9e08ffc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c1ac4a45d703cec061698aaff0134c0418c05dfdd7579d87d9b1b0542bf485d
[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" "1c1ac4a45d703cec061698aaff0134c0418c05dfdd7579d87d9b1b0542bf485d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/optimize.rs:290:17
[INFO] [stdout]     |
[INFO] [stdout] 290 |               use super::*;
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 307 | / impl_sealed! {
[INFO] [stdout] 308 | |     u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize
[INFO] [stdout] 309 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `impl_sealed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/optimize.rs:239:29
[INFO] [stdout]     |
[INFO] [stdout] 239 |                       assert!(*self >= 0, "Weight cannot be negative");
[INFO] [stdout]     |                               ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 255 | / impl_weight! {
[INFO] [stdout] 256 | |     u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize
[INFO] [stdout] 257 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `impl_weight` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/optimize.rs:246:29
[INFO] [stdout]     |
[INFO] [stdout] 246 |                       assert!(self.0 >= 0, "Weight numerator cannot be negative");
[INFO] [stdout]     |                               ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 255 | / impl_weight! {
[INFO] [stdout] 256 | |     u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize
[INFO] [stdout] 257 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_weight` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/optimize.rs:247:29
[INFO] [stdout]     |
[INFO] [stdout] 247 |                       assert!(self.1 >= 0, "Weight denominator cannot be negative");
[INFO] [stdout]     |                               ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 255 | / impl_weight! {
[INFO] [stdout] 256 | |     u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize
[INFO] [stdout] 257 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_weight` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/optimize.rs:239:29
[INFO] [stdout]     |
[INFO] [stdout] 239 |                       assert!(*self >= 0, "Weight cannot be negative");
[INFO] [stdout]     |                               ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 255 | / impl_weight! {
[INFO] [stdout] 256 | |     u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize
[INFO] [stdout] 257 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_weight` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling z3 v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> tests/objectives.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/optimize.rs:290:17
[INFO] [stdout]     |
[INFO] [stdout] 290 |               use super::*;
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 307 | / impl_sealed! {
[INFO] [stdout] 308 | |     u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize
[INFO] [stdout] 309 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `impl_sealed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `solver`
[INFO] [stdout]     --> tests/lib.rs:1331:9
[INFO] [stdout]      |
[INFO] [stdout] 1331 |     let solver = Solver::new(&ctx);
[INFO] [stdout]      |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_solver`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_set_membership`
[INFO] [stdout]    --> tests/lib.rs:924:4
[INFO] [stdout]     |
[INFO] [stdout] 924 | fn test_set_membership() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_issue_94`
[INFO] [stdout]     --> tests/lib.rs:1294:4
[INFO] [stdout]      |
[INFO] [stdout] 1294 | fn test_issue_94() {
[INFO] [stdout]      |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/optimize.rs:239:29
[INFO] [stdout]     |
[INFO] [stdout] 239 |                       assert!(*self >= 0, "Weight cannot be negative");
[INFO] [stdout]     |                               ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 255 | / impl_weight! {
[INFO] [stdout] 256 | |     u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize
[INFO] [stdout] 257 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `impl_weight` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/optimize.rs:246:29
[INFO] [stdout]     |
[INFO] [stdout] 246 |                       assert!(self.0 >= 0, "Weight numerator cannot be negative");
[INFO] [stdout]     |                               ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 255 | / impl_weight! {
[INFO] [stdout] 256 | |     u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize
[INFO] [stdout] 257 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_weight` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/optimize.rs:247:29
[INFO] [stdout]     |
[INFO] [stdout] 247 |                       assert!(self.1 >= 0, "Weight denominator cannot be negative");
[INFO] [stdout]     |                               ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 255 | / impl_weight! {
[INFO] [stdout] 256 | |     u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize
[INFO] [stdout] 257 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_weight` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/optimize.rs:239:29
[INFO] [stdout]     |
[INFO] [stdout] 239 |                       assert!(*self >= 0, "Weight cannot be negative");
[INFO] [stdout]     |                               ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 255 | / impl_weight! {
[INFO] [stdout] 256 | |     u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize
[INFO] [stdout] 257 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_weight` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 26.11s
[INFO] running `Command { std: "docker" "inspect" "1c1ac4a45d703cec061698aaff0134c0418c05dfdd7579d87d9b1b0542bf485d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c1ac4a45d703cec061698aaff0134c0418c05dfdd7579d87d9b1b0542bf485d", kill_on_drop: false }`
[INFO] [stdout] 1c1ac4a45d703cec061698aaff0134c0418c05dfdd7579d87d9b1b0542bf485d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", 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] 8595564bd0196829817442e07afefe6d32c1f19822f4c8332fd5f145231fac14
[INFO] running `Command { std: "docker" "start" "-a" "8595564bd0196829817442e07afefe6d32c1f19822f4c8332fd5f145231fac14", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stdout] running 1 test
[INFO] [stderr]    --> src/optimize.rs:290:17
[INFO] [stderr]     |
[INFO] [stderr] 290 |               use super::*;
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 307 | / impl_sealed! {
[INFO] [stderr] 308 | |     u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize
[INFO] [stderr] 309 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `impl_sealed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/optimize.rs:239:29
[INFO] [stderr]     |
[INFO] [stderr] 239 |                       assert!(*self >= 0, "Weight cannot be negative");
[INFO] [stderr]     |                               ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 255 | / impl_weight! {
[INFO] [stderr] 256 | |     u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize
[INFO] [stderr] 257 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `impl_weight` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/optimize.rs:246:29
[INFO] [stderr]     |
[INFO] [stderr] 246 |                       assert!(self.0 >= 0, "Weight numerator cannot be negative");
[INFO] [stderr]     |                               ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 255 | / impl_weight! {
[INFO] [stderr] 256 | |     u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize
[INFO] [stderr] 257 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_weight` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/optimize.rs:247:29
[INFO] [stderr]     |
[INFO] [stderr] 247 |                       assert!(self.1 >= 0, "Weight denominator cannot be negative");
[INFO] [stderr]     |                               ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 255 | / impl_weight! {
[INFO] [stderr] 256 | |     u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize
[INFO] [stderr] 257 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_weight` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/optimize.rs:239:29
[INFO] [stderr]     |
[INFO] [stderr] 239 |                       assert!(*self >= 0, "Weight cannot be negative");
[INFO] [stderr]     |                               ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 255 | / impl_weight! {
[INFO] [stderr] 256 | |     u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize
[INFO] [stderr] 257 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_weight` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]  --> tests/objectives.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::convert::TryInto;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `solver`
[INFO] [stderr]     --> tests/lib.rs:1331:9
[INFO] [stderr]      |
[INFO] [stderr] 1331 |     let solver = Solver::new(&ctx);
[INFO] [stderr]      |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_solver`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_set_membership`
[INFO] [stderr]    --> tests/lib.rs:924:4
[INFO] [stderr]     |
[INFO] [stderr] 924 | fn test_set_membership() {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_issue_94`
[INFO] [stderr]     --> tests/lib.rs:1294:4
[INFO] [stderr]      |
[INFO] [stderr] 1294 | fn test_issue_94() {
[INFO] [stderr]      |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/optimize.rs:290:17
[INFO] [stderr]     |
[INFO] [stderr] 290 |               use super::*;
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 307 | / impl_sealed! {
[INFO] [stderr] 308 | |     u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize
[INFO] [stderr] 309 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `impl_sealed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/optimize.rs:239:29
[INFO] [stderr]     |
[INFO] [stderr] 239 |                       assert!(*self >= 0, "Weight cannot be negative");
[INFO] [stderr]     |                               ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 255 | / impl_weight! {
[INFO] [stderr] 256 | |     u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize
[INFO] [stderr] 257 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `impl_weight` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/optimize.rs:246:29
[INFO] [stderr]     |
[INFO] [stderr] 246 |                       assert!(self.0 >= 0, "Weight numerator cannot be negative");
[INFO] [stderr]     |                               ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 255 | / impl_weight! {
[INFO] [stderr] 256 | |     u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize
[INFO] [stderr] 257 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_weight` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/optimize.rs:247:29
[INFO] [stderr]     |
[INFO] [stderr] 247 |                       assert!(self.1 >= 0, "Weight denominator cannot be negative");
[INFO] [stderr]     |                               ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 255 | / impl_weight! {
[INFO] [stderr] 256 | |     u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize
[INFO] [stderr] 257 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_weight` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/optimize.rs:239:29
[INFO] [stderr]     |
[INFO] [stderr] 239 |                       assert!(*self >= 0, "Weight cannot be negative");
[INFO] [stderr]     |                               ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 255 | / impl_weight! {
[INFO] [stderr] 256 | |     u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize
[INFO] [stderr] 257 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_weight` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/z3-f278422d061a782f)
[INFO] [stdout] test model::test_unsat ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-b4a9e5df09c66015)
[INFO] [stdout] 
[INFO] [stdout] running 59 tests
[INFO] [stdout] test get_model_without_check_does_not_exit ... ok
[INFO] [stdout] test test_config ... ok
[INFO] [stdout] test test_arbitrary_size_int ... ok
[INFO] [stdout] test test_dynamic_as_set ... ok
[INFO] [stdout] test test_cloning_ast ... ok
[INFO] [stdout] test test_ast_safe_eq ... ok
[INFO] [stdout] test test_context ... ok
[INFO] [stdout] test test_goal_get_precision ... ok
[INFO] [stdout] test test_array_store_select ... ok
[INFO] [stdout] test test_format ... ok
[INFO] [stdout] test test_goal_depth ... ok
[INFO] [stdout] test test_goal_reset ... ok
[INFO] [stdout] test check_application_of_tactic_to_goal ... ok
[INFO] [stdout] test test_arbitrary_size_real ... ok
[INFO] [stdout] test function_ref_count ... ok
[INFO] [stdout] test test_goal_num_expr ... ok
[INFO] [stdout] test test_bitvectors ... ok
[INFO] [stdout] test test_ast_safe_decl ... ok
[INFO] [stdout] test test_goal_is_inconsistent ... ok
[INFO] [stdout] test test_goal_is_sat ... ok
[INFO] [stdout] test test_probe_gt ... ok
[INFO] [stdout] test test_probe_gte ... ok
[INFO] [stdout] test test_float_add ... ok
[INFO] [stdout] test test_ast_translate ... ok
[INFO] [stdout] test test_get_unsat_core ... ok
[INFO] [stdout] test test_params ... ok
[INFO] [stdout] test test_optimize_unknown ... ok
[INFO] [stdout] test test_datatype_builder ... ok
[INFO] [stdout] test test_floating_point_bits ... ok
[INFO] [stdout] test test_probe_lt ... ok
[INFO] [stdout] test test_probe_ne ... ok
[INFO] [stdout] test test_probe_eq ... ok
[INFO] [stdout] test test_goal_get_formulas ... ok
[INFO] [stdout] test test_goal_apply_tactic ... ok
[INFO] [stdout] test test_goal_size ... ok
[INFO] [stdout] test test_probe_debug ... ok
[INFO] [stdout] test test_mutually_recursive_datatype ... ok
[INFO] [stdout] test test_pb_ops_model ... ok
[INFO] [stdout] test test_model_translate ... ok
[INFO] [stdout] test test_solving_for_model ... ok
[INFO] [stdout] test test_string_prefix ... ok
[INFO] [stdout] test test_string_concat ... ok
[INFO] [stdout] test test_tactic_conditions ... ok
[INFO] [stdout] test test_tactic_or_else ... ok
[INFO] [stdout] test test_solver_unknown ... ok
[INFO] [stdout] test test_sorts_and_symbols ... ok
[INFO] [stdout] test test_solving ... ok
[INFO] [stdout] test test_probe_le ... ok
[INFO] [stdout] test test_tactic_and_then ... ok
[INFO] [stdout] test test_real_cmp ... ok
[INFO] [stdout] test test_substitution ... ok
[INFO] [stdout] test test_tactic_skip ... ok
[INFO] [stdout] test test_string_as_string ... ok
[INFO] [stdout] test test_probe_names ... ok
[INFO] [stdout] test test_tactic_cond ... ok
[INFO] [stdout] test test_solver_translate ... ok
[INFO] [stdout] test test_string_eq ... ok
[INFO] [stdout] test test_recursive_datatype ... ok
[INFO] [stdout] test test_string_suffix ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 59 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.35s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/objectives.rs (/opt/rustwide/target/debug/deps/objectives-bc81a4cdf1013db4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/ops.rs (/opt/rustwide/target/debug/deps/ops-055af4f92af44f16)
[INFO] [stdout] test test_optimize_assert_soft_and_get_objectives ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test_ast_attributes ... ok
[INFO] [stdout] test test_ast_children ... ok
[INFO] [stdout] test test_real_ops ... ok
[INFO] [stdout] test test_float32_ops ... ok
[INFO] [stderr]      Running tests/semver_tests.rs (/opt/rustwide/target/debug/deps/semver_tests-a4c94e347a3a173e)
[INFO] [stdout] test test_func_decl_attributes ... ok
[INFO] [stdout] test test_bool_ops ... ok
[INFO] [stdout] test test_int_ops ... ok
[INFO] [stdout] test test_double_ops ... ok
[INFO] [stdout] test test_bv_ops ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests z3
[INFO] [stdout] test test_solve_simple_semver_example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/sort.rs - sort::Sort::array_domain (line 203) ... ok
[INFO] [stdout] test src/sort.rs - sort::Sort::array_range (line 235) ... ok
[INFO] [stdout] test src/sort.rs - sort::Sort::is_array (line 181) ... ok
[INFO] [stdout] test src/lib.rs - Context (line 65) ... ok
[INFO] [stdout] test src/ast.rs - ast::Int::from_bv (line 765) ... ok
[INFO] [stdout] test src/ast.rs - ast::forall_const (line 1717) ... ok
[INFO] [stdout] test src/func_decl.rs - func_decl::FuncDecl::arity (line 47) ... ok
[INFO] [stdout] test src/lib.rs - DatatypeBuilder (line 157) ... ok
[INFO] [stdout] test src/ast.rs - ast::exists_const (line 1779) ... ok
[INFO] [stdout] test src/sort.rs - sort::Sort::enumeration (line 79) ... ok
[INFO] [stdout] test src/ast.rs - ast::BV::from_int (line 1196) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.77s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8595564bd0196829817442e07afefe6d32c1f19822f4c8332fd5f145231fac14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8595564bd0196829817442e07afefe6d32c1f19822f4c8332fd5f145231fac14", kill_on_drop: false }`
[INFO] [stdout] 8595564bd0196829817442e07afefe6d32c1f19822f4c8332fd5f145231fac14