[INFO] fetching crate programinduction 0.8.0...
[INFO] testing programinduction-0.8.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate programinduction 0.8.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate programinduction 0.8.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae2e95efd9ec301981b5d9a148f09a0c145f25971e8fdbb0dc5c1a86a9c53ca6
[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" "ae2e95efd9ec301981b5d9a148f09a0c145f25971e8fdbb0dc5c1a86a9c53ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae2e95efd9ec301981b5d9a148f09a0c145f25971e8fdbb0dc5c1a86a9c53ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae2e95efd9ec301981b5d9a148f09a0c145f25971e8fdbb0dc5c1a86a9c53ca6", kill_on_drop: false }`
[INFO] [stdout] ae2e95efd9ec301981b5d9a148f09a0c145f25971e8fdbb0dc5c1a86a9c53ca6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 7a9a23e550a4402c1df0d4d525adc70f830d2a22356db07cba9111cf1dcb2653
[INFO] running `Command { std: "docker" "start" "-a" "7a9a23e550a4402c1df0d4d525adc70f830d2a22356db07cba9111cf1dcb2653", kill_on_drop: false }`
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling polytype v6.1.1
[INFO] [stderr]    Compiling term_rewriting v0.5.0
[INFO] [stderr]    Compiling programinduction v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.94s
[INFO] running `Command { std: "docker" "inspect" "7a9a23e550a4402c1df0d4d525adc70f830d2a22356db07cba9111cf1dcb2653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a9a23e550a4402c1df0d4d525adc70f830d2a22356db07cba9111cf1dcb2653", kill_on_drop: false }`
[INFO] [stdout] 7a9a23e550a4402c1df0d4d525adc70f830d2a22356db07cba9111cf1dcb2653
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] addb5f0f6db2cc3fd92494c336f66d6547477d74d6ec2a9a6fda098d7d9559c8
[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" "addb5f0f6db2cc3fd92494c336f66d6547477d74d6ec2a9a6fda098d7d9559c8", kill_on_drop: false }`
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.52s
[INFO] running `Command { std: "docker" "inspect" "addb5f0f6db2cc3fd92494c336f66d6547477d74d6ec2a9a6fda098d7d9559c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "addb5f0f6db2cc3fd92494c336f66d6547477d74d6ec2a9a6fda098d7d9559c8", kill_on_drop: false }`
[INFO] [stdout] addb5f0f6db2cc3fd92494c336f66d6547477d74d6ec2a9a6fda098d7d9559c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8cf391cffe2fa8b1bd12e0d25da10533aeea5f7b4ec54ff4058c2d412d50cc7d
[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" "8cf391cffe2fa8b1bd12e0d25da10533aeea5f7b4ec54ff4058c2d412d50cc7d", kill_on_drop: false }`
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/programinduction-1ce61ddd370ffe7b
[INFO] [stdout] running 9 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ec-a732882f73974f40
[INFO] [stdout] test trs::parser::tests::declaration_op_test ... ok
[INFO] [stdout] test trs::parser::tests::declaration_var_test ... ok
[INFO] [stdout] test trs::parser::tests::lexicon_test ... ok
[INFO] [stdout] test trs::parser::tests::comment_test ... ok
[INFO] [stdout] test trs::parser::tests::trs_test ... ok
[INFO] [stdout] test trs::parser::tests::context_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::typed_rule_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [stderr]      Running /opt/rustwide/target/debug/deps/gp-3d3606c31c3010a4
[INFO] [stdout] test explore_strings ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test lambda_eval_simplest ... ok
[INFO] [stdout] test lambda_eval_somewhat_simple ... ok
[INFO] [stdout] test lambda_eval_firstclass ... ok
[INFO] [stdout] test lambda_lazy_eval ... ok
[INFO] [stdout] test lambda_expression_parse_primitive ... ok
[INFO] [stdout] test lambda_expression_parse_invented ... ok
[INFO] [stdout] test lambda_expression_parse_index ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lambda-7132dee0dde8cf35
[INFO] [stdout] test lambda_expression_parse_application ... ok
[INFO] [stderr]    Doc-tests programinduction
[INFO] [stdout] test lambda_expression_parse_abstraction ... ok
[INFO] [stdout] test lambda_expression_infer ... ok
[INFO] [stdout] test lambda_lazy_eval_firstclass ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [stdout] test src/lambda/eval.rs - lambda::eval::Evaluator (line 94) ... ok
[INFO] [stdout] test src/lambda/compression.rs - lambda::compression::CompressionParams::default (line 47) ... ok
[INFO] [stdout] test src/lambda/eval.rs - lambda::eval::Evaluator (line 64) ... ok
[INFO] [stdout] test src/lambda/eval.rs - lambda::eval::Evaluator (line 144) ... ok
[INFO] [stdout] test src/lambda/eval.rs - lambda::eval::SimpleEvaluator<V, R, F>::of (line 388) ... ok
[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 --test /opt/rustwide/workdir/src/lib.rs --crate-name programinduction -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-58d581c7ec626514.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c6621357e90b0388.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-7895c92c6d278491.rlib --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-a011c700aac1c3f1.rlib --extern nom=/opt/rustwide/target/debug/deps/libnom-03112f4fc8793ef1.rlib --extern polytype=/opt/rustwide/target/debug/deps/libpolytype-405057c5a99bf5ec.rlib --extern programinduction=/opt/rustwide/target/debug/deps/libprograminduction-f2b49b3bc184038a.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-2ae2a39a48abe18b.rlib --extern rayon=/opt/rustwide/target/debug/deps/librayon-14343233beda00e4.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-0f682e824bd4c674.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-457e7b78c122b8f6.rlib --extern term_rewriting=/opt/rustwide/target/debug/deps/libterm_rewriting-4a6256f6d6322b77.rlib -C embed-bitcode=no` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "8cf391cffe2fa8b1bd12e0d25da10533aeea5f7b4ec54ff4058c2d412d50cc7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cf391cffe2fa8b1bd12e0d25da10533aeea5f7b4ec54ff4058c2d412d50cc7d", kill_on_drop: false }`
[INFO] [stdout] 8cf391cffe2fa8b1bd12e0d25da10533aeea5f7b4ec54ff4058c2d412d50cc7d