[INFO] cloning repository https://github.com/PBertinJohannet/exprToSop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PBertinJohannet/exprToSop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPBertinJohannet%2FexprToSop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPBertinJohannet%2FexprToSop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b7c37113c878ff00c4e207c2e5969ac403a381d
[INFO] checking PBertinJohannet/exprToSop against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPBertinJohannet%2FexprToSop" "/workspace/builds/worker-55/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-55/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PBertinJohannet/exprToSop on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PBertinJohannet/exprToSop
[INFO] finished tweaking git repo https://github.com/PBertinJohannet/exprToSop
[INFO] tweaked toml for git repo https://github.com/PBertinJohannet/exprToSop written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate git repo https://github.com/PBertinJohannet/exprToSop already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f07b78845f82e3e960cac2d88fcd111f60c304d1beceac74d5ae0d04e4873706
[INFO] running `Command { std: "docker" "start" "-a" "f07b78845f82e3e960cac2d88fcd111f60c304d1beceac74d5ae0d04e4873706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f07b78845f82e3e960cac2d88fcd111f60c304d1beceac74d5ae0d04e4873706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f07b78845f82e3e960cac2d88fcd111f60c304d1beceac74d5ae0d04e4873706", kill_on_drop: false }`
[INFO] [stdout] f07b78845f82e3e960cac2d88fcd111f60c304d1beceac74d5ae0d04e4873706
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18162f18d4f505e3fde7232b7a8654f858ec2b63c4f0d2444aaa075e1ff5f9f4
[INFO] running `Command { std: "docker" "start" "-a" "18162f18d4f505e3fde7232b7a8654f858ec2b63c4f0d2444aaa075e1ff5f9f4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking rand v0.5.4
[INFO] [stderr]     Checking booleansimplify v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 |             '2'...'9' => self.identifier(),
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer.rs:75:16
[INFO] [stdout]    |
[INFO] [stdout] 75 |             'a'...'z' => self.identifier(),
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer.rs:76:16
[INFO] [stdout]    |
[INFO] [stdout] 76 |             'A'...'Z' => self.identifier(),
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sum`
[INFO] [stdout]  --> src/mccluskey.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use equation::{Equation, Sum, Prod, Not};
[INFO] [stdout]   |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Not`, `Prod`, `Sum`
[INFO] [stdout]    --> src/equation.rs:434:30
[INFO] [stdout]     |
[INFO] [stdout] 434 |     use equation::{Equation, Not, Prod, Sum};
[INFO] [stdout]     |                              ^^^  ^^^^  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lexer::EqLexer`
[INFO] [stdout]    --> src/equation.rs:435:9
[INFO] [stdout]     |
[INFO] [stdout] 435 |     use lexer::EqLexer;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/equation.rs:489:9
[INFO] [stdout]     |
[INFO] [stdout] 489 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Not`, `Prod`, `Sum`
[INFO] [stdout]    --> src/equation.rs:490:30
[INFO] [stdout]     |
[INFO] [stdout] 490 |     use equation::{Equation, Not, Prod, Sum};
[INFO] [stdout]     |                              ^^^  ^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lexer::EqLexer`
[INFO] [stdout]    --> src/equation.rs:491:9
[INFO] [stdout]     |
[INFO] [stdout] 491 |     use lexer::EqLexer;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/equation.rs:511:9
[INFO] [stdout]     |
[INFO] [stdout] 511 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Not`, `Prod`, `Sum`
[INFO] [stdout]    --> src/equation.rs:512:30
[INFO] [stdout]     |
[INFO] [stdout] 512 |     use equation::{Equation, Not, Prod, Sum};
[INFO] [stdout]     |                              ^^^  ^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lexer::EqLexer`
[INFO] [stdout]    --> src/equation.rs:513:9
[INFO] [stdout]     |
[INFO] [stdout] 513 |     use lexer::EqLexer;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/equation.rs:529:9
[INFO] [stdout]     |
[INFO] [stdout] 529 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Not`, `Prod`, `Sum`
[INFO] [stdout]    --> src/equation.rs:530:30
[INFO] [stdout]     |
[INFO] [stdout] 530 |     use equation::{Equation, Not, Prod, Sum};
[INFO] [stdout]     |                              ^^^  ^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lexer::EqLexer`
[INFO] [stdout]    --> src/equation.rs:531:9
[INFO] [stdout]     |
[INFO] [stdout] 531 |     use lexer::EqLexer;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 |             '2'...'9' => self.identifier(),
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer.rs:75:16
[INFO] [stdout]    |
[INFO] [stdout] 75 |             'a'...'z' => self.identifier(),
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer.rs:76:16
[INFO] [stdout]    |
[INFO] [stdout] 76 |             'A'...'Z' => self.identifier(),
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sum`
[INFO] [stdout]  --> src/mccluskey.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use equation::{Equation, Sum, Prod, Not};
[INFO] [stdout]   |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Not`, `Prod`
[INFO] [stdout]    --> src/mccluskey.rs:194:30
[INFO] [stdout]     |
[INFO] [stdout] 194 |     use equation::{Equation, Not, Prod, Sum};
[INFO] [stdout]     |                              ^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Not`, `Prod`, `Sum`
[INFO] [stdout]    --> src/mccluskey.rs:241:30
[INFO] [stdout]     |
[INFO] [stdout] 241 |     use equation::{Equation, Not, Prod, Sum};
[INFO] [stdout]     |                              ^^^  ^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Not`, `Prod`, `Sum`
[INFO] [stdout]    --> src/mccluskey.rs:281:30
[INFO] [stdout]     |
[INFO] [stdout] 281 |     use equation::{Equation, Not, Prod, Sum};
[INFO] [stdout]     |                              ^^^  ^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Not`, `Prod`, `Sum`
[INFO] [stdout]    --> src/mccluskey.rs:299:30
[INFO] [stdout]     |
[INFO] [stdout] 299 |     use equation::{Equation, Not, Prod, Sum};
[INFO] [stdout]     |                              ^^^  ^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `booleansimplify` due to 2 previous errors; 5 warnings emitted
[INFO] [stdout] error: aborting due to previous error; 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "18162f18d4f505e3fde7232b7a8654f858ec2b63c4f0d2444aaa075e1ff5f9f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18162f18d4f505e3fde7232b7a8654f858ec2b63c4f0d2444aaa075e1ff5f9f4", kill_on_drop: false }`
[INFO] [stdout] 18162f18d4f505e3fde7232b7a8654f858ec2b63c4f0d2444aaa075e1ff5f9f4
