[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] testing Hoblovski/stupid-smt against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoblovski%2Fstupid-smt" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hoblovski/stupid-smt on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Hoblovski/stupid-smt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 6d9e7db49e178a236f072ea0d531adf473c52e243eca315416db4feef839f353
[INFO] running `Command { std: "docker" "start" "-a" "6d9e7db49e178a236f072ea0d531adf473c52e243eca315416db4feef839f353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d9e7db49e178a236f072ea0d531adf473c52e243eca315416db4feef839f353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d9e7db49e178a236f072ea0d531adf473c52e243eca315416db4feef839f353", kill_on_drop: false }`
[INFO] [stdout] 6d9e7db49e178a236f072ea0d531adf473c52e243eca315416db4feef839f353
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cd53c80e6b9a4223670ed94bf27d4e25826e1d0220d77a2c940911a927b5d3a
[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" "4cd53c80e6b9a4223670ed94bf27d4e25826e1d0220d77a2c940911a927b5d3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling bindgen v0.42.3
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling minisat v0.4.3
[INFO] [stderr]    Compiling 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)]` 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`, `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: unreachable pattern
[INFO] [stdout]    --> src/solver.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |             _ => unimplemented!()
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `m`
[INFO] [stdout]   --> src/solver.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     m: HashMap<String, isize>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stupid_smt::logic::*`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use stupid_smt::logic::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stupid_smt::logic::Formula::*`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use stupid_smt::logic::Formula::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/main.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[macro_use] extern crate maplit;
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t4`
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let t4 = Add(&t1, &t2);
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_t4`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut ctx = Context::new();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "4cd53c80e6b9a4223670ed94bf27d4e25826e1d0220d77a2c940911a927b5d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cd53c80e6b9a4223670ed94bf27d4e25826e1d0220d77a2c940911a927b5d3a", kill_on_drop: false }`
[INFO] [stdout] 4cd53c80e6b9a4223670ed94bf27d4e25826e1d0220d77a2c940911a927b5d3a
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", 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] 773bae2c1635785816532a83a74a4a5090f5e033991c6890710fdf9239774864
[INFO] running `Command { std: "docker" "start" "-a" "773bae2c1635785816532a83a74a4a5090f5e033991c6890710fdf9239774864", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` 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`, `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: unreachable pattern
[INFO] [stdout]    --> src/solver.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |             _ => unimplemented!()
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `m`
[INFO] [stdout]   --> src/solver.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     m: HashMap<String, isize>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stupid_smt::logic::*`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use stupid_smt::logic::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stupid_smt::logic::Formula::*`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use stupid_smt::logic::Formula::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/main.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[macro_use] extern crate maplit;
[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)]` 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`, `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 variable: `t4`
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let t4 = Add(&t1, &t2);
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_t4`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut ctx = Context::new();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[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: unreachable pattern
[INFO] [stdout]    --> src/solver.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |             _ => unimplemented!()
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `m`
[INFO] [stdout]   --> src/solver.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     m: HashMap<String, isize>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.08s
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "773bae2c1635785816532a83a74a4a5090f5e033991c6890710fdf9239774864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "773bae2c1635785816532a83a74a4a5090f5e033991c6890710fdf9239774864", kill_on_drop: false }`
[INFO] [stdout] 773bae2c1635785816532a83a74a4a5090f5e033991c6890710fdf9239774864
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 6b0dee3aa55fc64fe3a34506da8ffe81fa33c76adc504318b692a7cbc6b9bb48
[INFO] running `Command { std: "docker" "start" "-a" "6b0dee3aa55fc64fe3a34506da8ffe81fa33c76adc504318b692a7cbc6b9bb48", 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] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/expr.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::marker::PhantomData`
[INFO] [stderr]  --> src/solver.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::marker::PhantomData;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BitAnd`, `BitOr`, `BitXor`
[INFO] [stderr]  --> src/logic.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::{BitAnd, BitOr, BitXor, Not};
[INFO] [stderr]   |                ^^^^^^  ^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Not`
[INFO] [stderr]  --> src/logic.rs:3:39
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::{BitAnd, BitOr, BitXor, Not};
[INFO] [stderr]   |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/solver.rs:136:13
[INFO] [stderr]     |
[INFO] [stderr] 136 |             _ => unimplemented!()
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/solver.rs:109:16
[INFO] [stderr]     |
[INFO] [stderr] 109 |             Ok(m) => CheckResult::Sat,
[INFO] [stderr]     |                ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `m`
[INFO] [stderr]   --> src/solver.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     m: HashMap<String, isize>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/expr.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::marker::PhantomData`
[INFO] [stderr]  --> src/solver.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::marker::PhantomData;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BitAnd`, `BitOr`, `BitXor`
[INFO] [stderr]  --> src/logic.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::{BitAnd, BitOr, BitXor, Not};
[INFO] [stderr]   |                ^^^^^^  ^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Not`
[INFO] [stderr]  --> src/logic.rs:3:39
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::{BitAnd, BitOr, BitXor, Not};
[INFO] [stderr]   |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/solver.rs:136:13
[INFO] [stderr]     |
[INFO] [stderr] 136 |             _ => unimplemented!()
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/solver.rs:109:16
[INFO] [stderr]     |
[INFO] [stderr] 109 |             Ok(m) => CheckResult::Sat,
[INFO] [stderr]     |                ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `m`
[INFO] [stderr]   --> src/solver.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     m: HashMap<String, isize>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `stupid_smt::logic::*`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use stupid_smt::logic::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `stupid_smt::logic::Formula::*`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use stupid_smt::logic::Formula::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/main.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[macro_use] extern crate maplit;
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t4`
[INFO] [stderr]   --> src/main.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let t4 = Add(&t1, &t2);
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_t4`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let mut ctx = Context::new();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stupid_smt-76a2f7f118597ec5)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stupid_smt-357cb73d47d2cbdb)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stupid-smt
[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] [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" "6b0dee3aa55fc64fe3a34506da8ffe81fa33c76adc504318b692a7cbc6b9bb48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b0dee3aa55fc64fe3a34506da8ffe81fa33c76adc504318b692a7cbc6b9bb48", kill_on_drop: false }`
[INFO] [stdout] 6b0dee3aa55fc64fe3a34506da8ffe81fa33c76adc504318b692a7cbc6b9bb48