[INFO] cloning repository https://github.com/Hoblovski/stupid-smt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hoblovski/stupid-smt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoblovski%2Fstupid-smt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoblovski%2Fstupid-smt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5222d1095525fb6685d0e68e923d2299a1d165af
[INFO] checking Hoblovski/stupid-smt against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoblovski%2Fstupid-smt" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Hoblovski/stupid-smt
[INFO] finished tweaking git repo https://github.com/Hoblovski/stupid-smt
[INFO] tweaked toml for git repo https://github.com/Hoblovski/stupid-smt written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Hoblovski/stupid-smt on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Hoblovski/stupid-smt 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40320bc894c15f64c34891761b7610bbe6eefacd270dfaebaa925625fd778330
[INFO] running `Command { std: "docker" "start" "-a" "40320bc894c15f64c34891761b7610bbe6eefacd270dfaebaa925625fd778330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40320bc894c15f64c34891761b7610bbe6eefacd270dfaebaa925625fd778330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40320bc894c15f64c34891761b7610bbe6eefacd270dfaebaa925625fd778330", kill_on_drop: false }`
[INFO] [stdout] 40320bc894c15f64c34891761b7610bbe6eefacd270dfaebaa925625fd778330
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93ea704b481201a9f0bbd0b19ca94fe3e7c5d223cf1da2684bf692edb8def5c6
[INFO] running `Command { std: "docker" "start" "-a" "93ea704b481201a9f0bbd0b19ca94fe3e7c5d223cf1da2684bf692edb8def5c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling bindgen v0.42.3
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking maplit v1.0.1
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling minisat v0.4.3
[INFO] [stderr]     Checking stupid-smt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/expr.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/solver.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BitAnd`, `BitOr`, and `BitXor`
[INFO] [stdout]  --> src/logic.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::{BitAnd, BitOr, BitXor, Not};
[INFO] [stdout]   |                ^^^^^^  ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/expr.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/solver.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BitAnd`, `BitOr`, and `BitXor`
[INFO] [stdout]  --> src/logic.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::{BitAnd, BitOr, BitXor, Not};
[INFO] [stdout]   |                ^^^^^^  ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Not`
[INFO] [stdout]  --> src/logic.rs:3:39
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::{BitAnd, BitOr, BitXor, Not};
[INFO] [stdout]   |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> src/solver.rs:109:16
[INFO] [stdout]     |
[INFO] [stdout] 109 |             Ok(m) => CheckResult::Sat,
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/solver.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 129 |             BVEq(a, b) => {
[INFO] [stdout]     |             ---------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 136 |             _ => unimplemented!()
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Model` is never constructed
[INFO] [stdout]   --> src/solver.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub struct Model {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width`, `name`, `low`, and `high` are never read
[INFO] [stdout]   --> src/solver.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct BVSymInfo<'c> {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 11 |     width: isize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 12 |     name: &'c str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 13 |     low: isize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 14 |     high: isize, // low..high are the isize's for Formula
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BVSymInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ctx` is never read
[INFO] [stdout]   --> src/solver.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct Solver<'c> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 69 |     sat_solver: RefCell<minisat::Solver>,
[INFO] [stdout] 70 |     ctx: &'c Context<'c>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Solver` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `m` is never read
[INFO] [stdout]   --> src/solver.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub struct Model {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 79 |     m: HashMap<String, isize>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stupid-smt` (lib) due to 1 previous error; 9 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `Not`
[INFO] [stdout]  --> src/logic.rs:3:39
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::{BitAnd, BitOr, BitXor, Not};
[INFO] [stdout]   |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> src/solver.rs:109:16
[INFO] [stdout]     |
[INFO] [stdout] 109 |             Ok(m) => CheckResult::Sat,
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/solver.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 129 |             BVEq(a, b) => {
[INFO] [stdout]     |             ---------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 136 |             _ => unimplemented!()
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Model` is never constructed
[INFO] [stdout]   --> src/solver.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub struct Model {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width`, `name`, `low`, and `high` are never read
[INFO] [stdout]   --> src/solver.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct BVSymInfo<'c> {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 11 |     width: isize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 12 |     name: &'c str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 13 |     low: isize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 14 |     high: isize, // low..high are the isize's for Formula
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BVSymInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ctx` is never read
[INFO] [stdout]   --> src/solver.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct Solver<'c> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 69 |     sat_solver: RefCell<minisat::Solver>,
[INFO] [stdout] 70 |     ctx: &'c Context<'c>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Solver` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `m` is never read
[INFO] [stdout]   --> src/solver.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub struct Model {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 79 |     m: HashMap<String, isize>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stupid-smt` (lib test) due to 1 previous error; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "93ea704b481201a9f0bbd0b19ca94fe3e7c5d223cf1da2684bf692edb8def5c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93ea704b481201a9f0bbd0b19ca94fe3e7c5d223cf1da2684bf692edb8def5c6", kill_on_drop: false }`
[INFO] [stdout] 93ea704b481201a9f0bbd0b19ca94fe3e7c5d223cf1da2684bf692edb8def5c6