[INFO] cloning repository https://github.com/encody/algebra
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/encody/algebra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fencody%2Falgebra", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fencody%2Falgebra'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d5adbf52e0dd7b28df282266089ce7dc6e54980
[INFO] testing encody/algebra against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fencody%2Falgebra" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/encody/algebra
[INFO] finished tweaking git repo https://github.com/encody/algebra
[INFO] tweaked toml for git repo https://github.com/encody/algebra written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/encody/algebra on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/encody/algebra 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml_edit v0.23.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e22744adb390652196b1bdb4ed4c1e333b0355ac837097da1d369aeb95dbe20
[INFO] running `Command { std: "docker" "start" "-a" "7e22744adb390652196b1bdb4ed4c1e333b0355ac837097da1d369aeb95dbe20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e22744adb390652196b1bdb4ed4c1e333b0355ac837097da1d369aeb95dbe20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e22744adb390652196b1bdb4ed4c1e333b0355ac837097da1d369aeb95dbe20", kill_on_drop: false }`
[INFO] [stdout] 7e22744adb390652196b1bdb4ed4c1e333b0355ac837097da1d369aeb95dbe20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 752625babdf5c460913439bd6b683243708e9752261a6768a060b256b521e7df
[INFO] running `Command { std: "docker" "start" "-a" "752625babdf5c460913439bd6b683243708e9752261a6768a060b256b521e7df", kill_on_drop: false }`
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling winnow v0.7.14
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling colored v3.0.0
[INFO] [stderr]    Compiling rstest_macros v0.26.1
[INFO] [stderr]    Compiling indexmap v2.12.1
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling toml_edit v0.23.9
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling rstest v0.26.1
[INFO] [stderr]    Compiling hw01 v0.1.0 (/opt/rustwide/workdir/homework/hw01)
[INFO] [stdout] warning: unused variable: `a1`
[INFO] [stdout]    --> homework/hw01/src/rule.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let a1 = &pi.1;
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_a1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a2`
[INFO] [stdout]    --> homework/hw01/src/rule.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let a2 = &e2.n;
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_a2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b2`
[INFO] [stdout]    --> homework/hw01/src/rule.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let b2 = &pi.2;
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_b2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> homework/hw01/src/rule.rs:282:28
[INFO] [stdout]     |
[INFO] [stdout] 282 |                 value: (v, a),
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a_substituted`
[INFO] [stdout]    --> homework/hw01/src/rule.rs:291:17
[INFO] [stdout]     |
[INFO] [stdout] 291 |             let a_substituted = &e.n;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_substituted`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> homework/hw01/src/rule.rs:336:28
[INFO] [stdout]     |
[INFO] [stdout] 336 |                 value: (v, a),
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a_substituted`
[INFO] [stdout]    --> homework/hw01/src/rule.rs:345:17
[INFO] [stdout]     |
[INFO] [stdout] 345 |             let a_substituted = &e.n;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_substituted`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.91s
[INFO] running `Command { std: "docker" "inspect" "752625babdf5c460913439bd6b683243708e9752261a6768a060b256b521e7df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "752625babdf5c460913439bd6b683243708e9752261a6768a060b256b521e7df", kill_on_drop: false }`
[INFO] [stdout] 752625babdf5c460913439bd6b683243708e9752261a6768a060b256b521e7df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdf622af65fdc614930fa592c106c2982747ab061ca0c0c5ca17846539c8ed81
[INFO] running `Command { std: "docker" "start" "-a" "bdf622af65fdc614930fa592c106c2982747ab061ca0c0c5ca17846539c8ed81", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `a1`
[INFO] [stdout]    --> homework/hw01/src/rule.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let a1 = &pi.1;
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_a1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a2`
[INFO] [stdout]    --> homework/hw01/src/rule.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let a2 = &e2.n;
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_a2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b2`
[INFO] [stdout]    --> homework/hw01/src/rule.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let b2 = &pi.2;
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_b2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> homework/hw01/src/rule.rs:282:28
[INFO] [stdout]     |
[INFO] [stdout] 282 |                 value: (v, a),
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a_substituted`
[INFO] [stdout]    --> homework/hw01/src/rule.rs:291:17
[INFO] [stdout]     |
[INFO] [stdout] 291 |             let a_substituted = &e.n;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_substituted`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> homework/hw01/src/rule.rs:336:28
[INFO] [stdout]     |
[INFO] [stdout] 336 |                 value: (v, a),
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a_substituted`
[INFO] [stdout]    --> homework/hw01/src/rule.rs:345:17
[INFO] [stdout]     |
[INFO] [stdout] 345 |             let a_substituted = &e.n;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_substituted`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hw01 v0.1.0 (/opt/rustwide/workdir/homework/hw01)
[INFO] [stdout] warning: unused variable: `a1`
[INFO] [stdout]    --> homework/hw01/src/rule.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let a1 = &pi.1;
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_a1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a2`
[INFO] [stdout]    --> homework/hw01/src/rule.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let a2 = &e2.n;
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_a2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b2`
[INFO] [stdout]    --> homework/hw01/src/rule.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let b2 = &pi.2;
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_b2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> homework/hw01/src/rule.rs:282:28
[INFO] [stdout]     |
[INFO] [stdout] 282 |                 value: (v, a),
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a_substituted`
[INFO] [stdout]    --> homework/hw01/src/rule.rs:291:17
[INFO] [stdout]     |
[INFO] [stdout] 291 |             let a_substituted = &e.n;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_substituted`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> homework/hw01/src/rule.rs:336:28
[INFO] [stdout]     |
[INFO] [stdout] 336 |                 value: (v, a),
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a_substituted`
[INFO] [stdout]    --> homework/hw01/src/rule.rs:345:17
[INFO] [stdout]     |
[INFO] [stdout] 345 |             let a_substituted = &e.n;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_substituted`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "bdf622af65fdc614930fa592c106c2982747ab061ca0c0c5ca17846539c8ed81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdf622af65fdc614930fa592c106c2982747ab061ca0c0c5ca17846539c8ed81", kill_on_drop: false }`
[INFO] [stdout] bdf622af65fdc614930fa592c106c2982747ab061ca0c0c5ca17846539c8ed81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c8ecb09b2f2bc2934d200de96195ef70907db5ad5a39b479e40ea3b20071c679
[INFO] running `Command { std: "docker" "start" "-a" "c8ecb09b2f2bc2934d200de96195ef70907db5ad5a39b479e40ea3b20071c679", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `a1`
[INFO] [stderr]    --> homework/hw01/src/rule.rs:122:13
[INFO] [stderr]     |
[INFO] [stderr] 122 |         let a1 = &pi.1;
[INFO] [stderr]     |             ^^ help: if this is intentional, prefix it with an underscore: `_a1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a2`
[INFO] [stderr]    --> homework/hw01/src/rule.rs:126:13
[INFO] [stderr]     |
[INFO] [stderr] 126 |         let a2 = &e2.n;
[INFO] [stderr]     |             ^^ help: if this is intentional, prefix it with an underscore: `_a2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b2`
[INFO] [stderr]    --> homework/hw01/src/rule.rs:158:13
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let b2 = &pi.2;
[INFO] [stderr]     |             ^^ help: if this is intentional, prefix it with an underscore: `_b2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> homework/hw01/src/rule.rs:282:28
[INFO] [stderr]     |
[INFO] [stderr] 282 |                 value: (v, a),
[INFO] [stderr]     |                            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a_substituted`
[INFO] [stderr]    --> homework/hw01/src/rule.rs:291:17
[INFO] [stderr]     |
[INFO] [stderr] 291 |             let a_substituted = &e.n;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_substituted`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> homework/hw01/src/rule.rs:336:28
[INFO] [stderr]     |
[INFO] [stderr] 336 |                 value: (v, a),
[INFO] [stderr]     |                            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a_substituted`
[INFO] [stderr]    --> homework/hw01/src/rule.rs:345:17
[INFO] [stderr]     |
[INFO] [stderr] 345 |             let a_substituted = &e.n;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_substituted`
[INFO] [stderr] 
[INFO] [stderr] warning: `hw01` (lib) generated 7 warnings (run `cargo fix --lib -p hw01` to apply 7 suggestions)
[INFO] [stderr] warning: `hw01` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hw01-bd980b89f644840a)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test de_bruijn::tests::alpha_equivalence_false::case_1 ... ok
[INFO] [stdout] test de_bruijn::tests::alpha_equivalence_false::case_5 ... ok
[INFO] [stdout] test de_bruijn::tests::alpha_equivalence_true::case_3 ... ok
[INFO] [stdout] test de_bruijn::tests::alpha_equivalence_true::case_1 ... ok
[INFO] [stdout] test de_bruijn::tests::alpha_equivalence_true::case_4 ... ok
[INFO] [stdout] test de_bruijn::tests::alpha_equivalence_false::case_4 ... ok
[INFO] [stdout] test de_bruijn::tests::alpha_equivalence_true::case_5 ... ok
[INFO] [stdout] test de_bruijn::tests::alpha_equivalence_false::case_2 ... ok
[INFO] [stdout] test de_bruijn::tests::homework_cases ... ok
[INFO] [stdout] test de_bruijn::tests::substitution::case_1 ... ok
[INFO] [stdout] test de_bruijn::tests::substitution::case_3 ... ok
[INFO] [stdout] test de_bruijn::tests::substitution::case_5 ... ok
[INFO] [stdout] test de_bruijn::tests::substitution::case_4 ... ok
[INFO] [stdout] test model::tests::free_vars::case_2 ... ok
[INFO] [stdout] test model::tests::free_vars::case_3 ... ok
[INFO] [stdout] test parse::tests::valid::case_01 ... ok
[INFO] [stdout] test parse::tests::invalid::case_01 ... ok
[INFO] [stdout] test model::tests::free_vars::case_4 ... ok
[INFO] [stdout] test verifier::tests::check ... ok
[INFO] [stdout] test rule::tests::homework ... ok
[INFO] [stdout] test de_bruijn::tests::substitution::case_2 ... ok
[INFO] [stdout] test de_bruijn::tests::substitution::case_6 ... ok
[INFO] [stdout] test de_bruijn::tests::alpha_equivalence_true::case_2 ... ok
[INFO] [stdout] test de_bruijn::tests::alpha_equivalence_false::case_3 ... ok
[INFO] [stdout] test verifier::tests::check2 ... FAILED
[INFO] [stdout] test model::tests::free_vars::case_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- verifier::tests::check2 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'verifier::tests::check2' (42) panicked at homework/hw01/src/verifier.rs:174:68:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5a756fed080a - std[f92b4c606f291077]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5a756fed080a - std[f92b4c606f291077]::backtrace_rs::backtrace::trace_unsynchronized::<std[f92b4c606f291077]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5a756fed080a - std[f92b4c606f291077]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5a756fed080a - <<std[f92b4c606f291077]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[786f478f706679df]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5a756fee4cda - <core[786f478f706679df]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5a756fee4cda - core[786f478f706679df]::fmt::write
[INFO] [stdout]    6:     0x5a756fed5092 - std[f92b4c606f291077]::io::default_write_fmt::<alloc[64763625b5a07cdb]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5a756fed5092 - <alloc[64763625b5a07cdb]::vec::Vec<u8> as std[f92b4c606f291077]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5a756feafa2f - <std[f92b4c606f291077]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5a756feafa2f - std[f92b4c606f291077]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5a756fec8dc9 - std[f92b4c606f291077]::panicking::default_hook
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5a756fe626ac - <alloc[64763625b5a07cdb]::boxed::Box<dyn for<'a, 'b> core[786f478f706679df]::ops::function::Fn<(&'a std[f92b4c606f291077]::panic::PanicHookInfo<'b>,), Output = ()> + core[786f478f706679df]::marker::Sync + core[786f478f706679df]::marker::Send> as core[786f478f706679df]::ops::function::Fn<(&std[f92b4c606f291077]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x5a756fe626ac - test[20e1f0ae6cad7a17]::test_main_with_exit_callback::<test[20e1f0ae6cad7a17]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5a756fec8f82 - <alloc[64763625b5a07cdb]::boxed::Box<dyn for<'a, 'b> core[786f478f706679df]::ops::function::Fn<(&'a std[f92b4c606f291077]::panic::PanicHookInfo<'b>,), Output = ()> + core[786f478f706679df]::marker::Sync + core[786f478f706679df]::marker::Send> as core[786f478f706679df]::ops::function::Fn<(&std[f92b4c606f291077]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x5a756fec8f82 - std[f92b4c606f291077]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5a756feafae8 - std[f92b4c606f291077]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5a756fea7489 - std[f92b4c606f291077]::sys::backtrace::__rust_end_short_backtrace::<std[f92b4c606f291077]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5a756feb07fd - __rustc[8241495c18a89d70]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5a756fee546c - core[786f478f706679df]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5a756fee51e2 - core[786f478f706679df]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x5a756fe404d4 - <core[786f478f706679df]::result::Result<std[f92b4c606f291077]::fs::File, std[f92b4c606f291077]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5a756fe404d4 - hw01[ee2189ad7bdca756]::verifier::tests::check2
[INFO] [stdout]                                at /opt/rustwide/workdir/homework/hw01/src/verifier.rs:174:68
[INFO] [stdout]   22:     0x5a756fe3cce7 - hw01[ee2189ad7bdca756]::verifier::tests::check2::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/homework/hw01/src/verifier.rs:172:20
[INFO] [stdout]   23:     0x5a756fe34076 - <hw01[ee2189ad7bdca756]::verifier::tests::check2::{closure#0} as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5a756fe5678b - <fn() -> core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String> as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5a756fe5678b - test[20e1f0ae6cad7a17]::__rust_begin_short_backtrace::<core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String>, fn() -> core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String>>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5a756fe6317b - test[20e1f0ae6cad7a17]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5a756fe6317b - <core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<test[20e1f0ae6cad7a17]::run_test_in_process::{closure#0}> as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x5a756fe6317b - std[f92b4c606f291077]::panicking::catch_unwind::do_call::<core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<test[20e1f0ae6cad7a17]::run_test_in_process::{closure#0}>, core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String>>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5a756fe6317b - std[f92b4c606f291077]::panicking::catch_unwind::<core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String>, core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<test[20e1f0ae6cad7a17]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5a756fe6317b - std[f92b4c606f291077]::panic::catch_unwind::<core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<test[20e1f0ae6cad7a17]::run_test_in_process::{closure#0}>, core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String>>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5a756fe6317b - test[20e1f0ae6cad7a17]::run_test_in_process
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5a756fe6317b - test[20e1f0ae6cad7a17]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5a756fe5e894 - test[20e1f0ae6cad7a17]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5a756fe5e894 - std[f92b4c606f291077]::sys::backtrace::__rust_begin_short_backtrace::<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5a756fe65d82 - std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked::<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x5a756fe65d82 - <core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x5a756fe65d82 - std[f92b4c606f291077]::panicking::catch_unwind::do_call::<core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5a756fe65d82 - std[f92b4c606f291077]::panicking::catch_unwind::<(), core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5a756fe65d82 - std[f92b4c606f291077]::panic::catch_unwind::<core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5a756fe65d82 - std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked::<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x5a756fe65d82 - <std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1} as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5a756fed011f - <alloc[64763625b5a07cdb]::boxed::Box<dyn core[786f478f706679df]::ops::function::FnOnce<(), Output = ()> + core[786f478f706679df]::marker::Send> as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   43:     0x5a756fed011f - <std[f92b4c606f291077]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x73f7b0f40aa4 - <unknown>
[INFO] [stdout]   45:     0x73f7b0fcda64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     verifier::tests::check2
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 25 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "c8ecb09b2f2bc2934d200de96195ef70907db5ad5a39b479e40ea3b20071c679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8ecb09b2f2bc2934d200de96195ef70907db5ad5a39b479e40ea3b20071c679", kill_on_drop: false }`
[INFO] [stdout] c8ecb09b2f2bc2934d200de96195ef70907db5ad5a39b479e40ea3b20071c679
