[INFO] fetching crate programinduction 0.8.0...
[INFO] testing programinduction-0.8.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate programinduction 0.8.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate programinduction 0.8.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate programinduction 0.8.0
[INFO] finished tweaking crates.io crate programinduction 0.8.0
[INFO] tweaked toml for crates.io crate programinduction 0.8.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded polytype v6.1.1
[INFO] [stderr]   Downloaded term_rewriting v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75b576903da3165fade22c997389a7abd9ef1e2dc39e3512426ddf86c2c915b9
[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" "75b576903da3165fade22c997389a7abd9ef1e2dc39e3512426ddf86c2c915b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75b576903da3165fade22c997389a7abd9ef1e2dc39e3512426ddf86c2c915b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b576903da3165fade22c997389a7abd9ef1e2dc39e3512426ddf86c2c915b9", kill_on_drop: false }`
[INFO] [stdout] 75b576903da3165fade22c997389a7abd9ef1e2dc39e3512426ddf86c2c915b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "build" "--frozen" "--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] 85870e5add9f29b6172a0479e1a79ceb19a42b8055c4701efba4f3ab308b6765
[INFO] running `Command { std: "docker" "start" "-a" "85870e5add9f29b6172a0479e1a79ceb19a42b8055c4701efba4f3ab308b6765", kill_on_drop: false }`
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling term_rewriting v0.5.0
[INFO] [stderr]    Compiling polytype v6.1.1
[INFO] [stderr]    Compiling programinduction v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/domains/strings.rs:736:10
[INFO] [stdout]     |
[INFO] [stdout] 736 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.59s
[INFO] running `Command { std: "docker" "inspect" "85870e5add9f29b6172a0479e1a79ceb19a42b8055c4701efba4f3ab308b6765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85870e5add9f29b6172a0479e1a79ceb19a42b8055c4701efba4f3ab308b6765", kill_on_drop: false }`
[INFO] [stdout] 85870e5add9f29b6172a0479e1a79ceb19a42b8055c4701efba4f3ab308b6765
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 603ffe31b52798c227f1e903bce0df6a0ed1412ed0316b87e7f45bfe10af1612
[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" "603ffe31b52798c227f1e903bce0df6a0ed1412ed0316b87e7f45bfe10af1612", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/domains/strings.rs:736:10
[INFO] [stdout]     |
[INFO] [stdout] 736 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling programinduction v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> tests/lambda.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     /// an index never makes sense outside of an application or lambda body.
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/domains/strings.rs:736:10
[INFO] [stdout]     |
[INFO] [stdout] 736 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.43s
[INFO] running `Command { std: "docker" "inspect" "603ffe31b52798c227f1e903bce0df6a0ed1412ed0316b87e7f45bfe10af1612", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "603ffe31b52798c227f1e903bce0df6a0ed1412ed0316b87e7f45bfe10af1612", kill_on_drop: false }`
[INFO] [stdout] 603ffe31b52798c227f1e903bce0df6a0ed1412ed0316b87e7f45bfe10af1612
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2300bc89c9ff1e58c5f7b7af7b35536438e6270a633f2ebe7230dc2aa9d2ee86
[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" "2300bc89c9ff1e58c5f7b7af7b35536438e6270a633f2ebe7230dc2aa9d2ee86", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/domains/strings.rs:736:10
[INFO] [stderr]     |
[INFO] [stderr] 736 |         };
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `programinduction` (lib) generated 1 warning
[INFO] [stderr] warning: `programinduction` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> tests/lambda.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     /// an index never makes sense outside of an application or lambda body.
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: `programinduction` (test "lambda") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/programinduction-9a822b968558ce56)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test trs::parser::tests::comment_test ... ok
[INFO] [stdout] test trs::parser::tests::lexicon_test ... ok
[INFO] [stdout] test trs::parser::tests::rulecontext_test ... ok
[INFO] [stdout] test trs::parser::tests::templates_test ... ok
[INFO] [stdout] test trs::parser::tests::context_test ... ok
[INFO] [stdout] test trs::parser::tests::trs_test ... ok
[INFO] [stdout] test trs::parser::tests::declaration_var_test ... ok
[INFO] [stdout] test trs::parser::tests::declaration_op_test ... ok
[INFO] [stdout] test trs::parser::tests::typed_rule_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/ec.rs (/opt/rustwide/target/debug/deps/ec-5a210cccc63b9658)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test ec_circuits_dl ... ignored
[INFO] [stdout] test ec_strings ... ignored
[INFO] [stdout] test explore_arith_pcfg ... ok
[INFO] [stdout] test explore_circuits_timeout ... ok
[INFO] [stdout] test explore_strings ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 6.61s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/gp.rs (/opt/rustwide/target/debug/deps/gp-c1d30d73c05e254c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test gp_sum_arith ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lambda.rs (/opt/rustwide/target/debug/deps/lambda-28bce0549b102cad)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test lambda_eval_simplest ... ok
[INFO] [stdout] test lambda_expression_parse_application ... ok
[INFO] [stdout] test lambda_expression_parse_index ... ok
[INFO] [stdout] test lambda_eval_somewhat_simple ... ok
[INFO] [stdout] test lambda_expression_parse_abstraction ... ok
[INFO] [stdout] test lambda_expression_parse_primitive ... ok
[INFO] [stdout] test lambda_expression_parse_invented ... ok
[INFO] [stdout] test lambda_eval_firstclass ... ok
[INFO] [stdout] test lambda_lazy_eval ... ok
[INFO] [stdout] test lambda_lazy_eval_firstclass ... ok
[INFO] [stdout] test lambda_expression_infer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests programinduction
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> /opt/rustwide/workdir/src/domains/strings.rs:736:10
[INFO] [stderr]     |
[INFO] [stderr] 736 |         };
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 42 tests
[INFO] [stdout] test src/domains/strings.rs - domains::strings (line 5) ... ignored
[INFO] [stdout] test src/ec.rs - ec::EC (line 44) ... ignored
[INFO] [stdout] test src/ec.rs - ec::EC::ec (line 123) ... ignored
[INFO] [stdout] test src/lambda/mod.rs - lambda::Language::compress (line 199) ... ignored
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name programinduction --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-1c238638c0419622.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-d630dd1faf7d7a0e.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-86422d76b8bd90ed.rlib --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-7b5b184081e8655b.rlib --extern nom=/opt/rustwide/target/debug/deps/libnom-59228bcc20f7ae36.rlib --extern polytype=/opt/rustwide/target/debug/deps/libpolytype-0042f8cbcded4adf.rlib --extern programinduction=/opt/rustwide/target/debug/deps/libprograminduction-7d214404e94d3fde.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-62229acbe5ee6e84.rlib --extern rayon=/opt/rustwide/target/debug/deps/librayon-0b03e59e4ff5d587.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-1c95ca7ba950c895.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-2fee2da68e848569.rlib --extern term_rewriting=/opt/rustwide/target/debug/deps/libterm_rewriting-20432be688cd5a5f.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "2300bc89c9ff1e58c5f7b7af7b35536438e6270a633f2ebe7230dc2aa9d2ee86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2300bc89c9ff1e58c5f7b7af7b35536438e6270a633f2ebe7230dc2aa9d2ee86", kill_on_drop: false }`
[INFO] [stdout] 2300bc89c9ff1e58c5f7b7af7b35536438e6270a633f2ebe7230dc2aa9d2ee86