[INFO] fetching crate canrun 0.2.0...
[INFO] testing canrun-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate canrun 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate canrun 0.2.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate canrun 0.2.0
[INFO] finished tweaking crates.io crate canrun 0.2.0
[INFO] tweaked toml for crates.io crate canrun 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51cef3acbdf16e38619556640bb1b858cdd86df20620359bbfd1ce73e76b4ffb
[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" "51cef3acbdf16e38619556640bb1b858cdd86df20620359bbfd1ce73e76b4ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51cef3acbdf16e38619556640bb1b858cdd86df20620359bbfd1ce73e76b4ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51cef3acbdf16e38619556640bb1b858cdd86df20620359bbfd1ce73e76b4ffb", kill_on_drop: false }`
[INFO] [stdout] 51cef3acbdf16e38619556640bb1b858cdd86df20620359bbfd1ce73e76b4ffb
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8dfb85adaaab414ca41693f15e80cc9f47d678f49d7b5a7df7f89ff8cb9a994f
[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" "8dfb85adaaab414ca41693f15e80cc9f47d678f49d7b5a7df7f89ff8cb9a994f", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]    Compiling canrun_codegen v0.1.0
[INFO] [stderr]    Compiling canrun v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.93s
[INFO] running `Command { std: "docker" "inspect" "8dfb85adaaab414ca41693f15e80cc9f47d678f49d7b5a7df7f89ff8cb9a994f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dfb85adaaab414ca41693f15e80cc9f47d678f49d7b5a7df7f89ff8cb9a994f", kill_on_drop: false }`
[INFO] [stdout] 8dfb85adaaab414ca41693f15e80cc9f47d678f49d7b5a7df7f89ff8cb9a994f
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80734a5791be3d33173a5a4c2d9e4430662c0dbffd784771a4233d2f0802dba6
[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" "80734a5791be3d33173a5a4c2d9e4430662c0dbffd784771a4233d2f0802dba6", kill_on_drop: false }`
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling tinytemplate v1.2.0
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling canrun v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 43.41s
[INFO] running `Command { std: "docker" "inspect" "80734a5791be3d33173a5a4c2d9e4430662c0dbffd784771a4233d2f0802dba6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80734a5791be3d33173a5a4c2d9e4430662c0dbffd784771a4233d2f0802dba6", kill_on_drop: false }`
[INFO] [stdout] 80734a5791be3d33173a5a4c2d9e4430662c0dbffd784771a4233d2f0802dba6
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 98444a003fc9e0b780a7a1813ce5f298e515928d2254816df59f1d0e3556e8cf
[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" "98444a003fc9e0b780a7a1813ce5f298e515928d2254816df59f1d0e3556e8cf", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stdout] running 88 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/canrun-d8ab75046602351b
[INFO] [stdout] test collections::lmap::tests::fails_with_different ... ok
[INFO] [stdout] test collections::lmap::compare::tests::superset_should_fail_on ... ok
[INFO] [stdout] test collections::lmap::compare::tests::superset_should_succeed_on ... ok
[INFO] [stdout] test collections::lmap::tests::succeeds_with_crisscrossed_variable_key_and_value ... ok
[INFO] [stdout] test collections::lmap::tests::succeeds_with_variable_key ... ok
[INFO] [stdout] test collections::lmap::tests::succeeds_with_identical ... ok
[INFO] [stdout] test collections::lmap::tests::mergeable_keys ... ok
[INFO] [stdout] test collections::lmap::tests::succeeds_with_variable_key_and_value ... ok
[INFO] [stdout] test collections::lmap::tests::succeeds_with_stress_test ... ok
[INFO] [stdout] test collections::lvec::subset::tests::subset_with_conditions ... ok
[INFO] [stdout] test collections::lvec::subset::tests::unify_two_subsets_1 ... ok
[INFO] [stdout] test collections::lvec::subset::tests::unify_two_subsets_3 ... ok
[INFO] [stdout] test collections::lmap::tests::unmergeable_keys ... ok
[INFO] [stdout] test collections::lvec::member::tests::unify_two_contains_3 ... ok
[INFO] [stdout] test collections::lvec::tests::nested_var ... ok
[INFO] [stdout] test collections::lvec::tests::reify_vec ... ok
[INFO] [stdout] test collections::lvec::member::tests::basic_member ... ok
[INFO] [stdout] test collections::lvec::tests::succeeds ... ok
[INFO] [stdout] test collections::lvec::tests::fails ... ok
[INFO] [stdout] test collections::lvec::subset::tests::basic_subset ... ok
[INFO] [stdout] test goals::all::tests::fails ... ok
[INFO] [stdout] test goals::all::tests::succeeds ... ok
[INFO] [stdout] test goals::any::tests::both_fail ... ok
[INFO] [stdout] test collections::lmap::tests::succeeds_with_variable_value ... ok
[INFO] [stdout] test collections::lvec::member::tests::member_with_conditions ... ok
[INFO] [stdout] test collections::lvec::subset::tests::unify_two_subsets_2 ... ok
[INFO] [stdout] test collections::lvec::subset::tests::unify_two_subsets_4 ... ok
[INFO] [stdout] test collections::lvec::member::tests::unify_two_contains_4 ... ok
[INFO] [stdout] test collections::lvec::member::tests::unify_two_contains_1 ... ok
[INFO] [stdout] test collections::lmap::compare::tests::subset_should_fail_on ... ok
[INFO] [stdout] test collections::lvec::member::tests::unify_two_contains_2 ... ok
[INFO] [stdout] test collections::lmap::compare::tests::subset_should_succeed_on ... ok
[INFO] [stdout] test goals::any::tests::one_succeeds ... ok
[INFO] [stdout] test goals::cmp::lt::tests::fails ... ok
[INFO] [stdout] test goals::cmp::lt::tests::succeeds ... ok
[INFO] [stdout] test goals::cmp::gt::tests::succeeds ... ok
[INFO] [stdout] test goals::cmp::min::tests::fails ... ok
[INFO] [stdout] test goals::cmp::max::tests::succeeds_gt ... ok
[INFO] [stdout] test goals::cmp::min::tests::succeeds_lt ... ok
[INFO] [stdout] test goals::cmp::lte::tests::fails ... ok
[INFO] [stdout] test goals::cmp::gt::tests::fails ... ok
[INFO] [stdout] test goals::lazy::tests::succeeds ... ok
[INFO] [stdout] test goals::either::tests::either_one_succeeds ... ok
[INFO] [stdout] test goals::cmp::min::tests::succeeds_lte ... ok
[INFO] [stdout] test goals::cmp::max::tests::fails ... ok
[INFO] [stdout] test goals::either::tests::either_both_fail ... ok
[INFO] [stdout] test goals::cmp::gte::tests::fails ... ok
[INFO] [stdout] test goals::project::map_1::tests::succeeds ... ok
[INFO] [stdout] test goals::project::map_2::tests::succeeds ... ok
[INFO] [stdout] test goals::either::tests::either_both_succeeds ... ok
[INFO] [stdout] test goals::ops::mul::tests::succeeds ... ok
[INFO] [stdout] test goals::ops::div::tests::succeeds ... ok
[INFO] [stdout] test impls::tuples::tests::tuple2_fails ... ok
[INFO] [stdout] test impls::tuples::tests::tuple2_succeeds ... ok
[INFO] [stdout] test goals::ops::add::tests::fails ... ok
[INFO] [stdout] test goals::any::tests::both_succeeds ... ok
[INFO] [stdout] test goals::unify::tests::deeply_nested_vars ... ok
[INFO] [stdout] test goals::cmp::max::tests::succeeds_gte ... ok
[INFO] [stdout] test goals::ops::sub::tests::succeeds ... ok
[INFO] [stdout] test goals::ops::mul::tests::fails ... ok
[INFO] [stdout] test reify::tests::reify_var ... ok
[INFO] [stdout] test goals::ops::add::tests::succeeds ... ok
[INFO] [stdout] test goals::custom::tests::succeeds ... ok
[INFO] [stdout] test goals::ops::sub::tests::fails ... ok
[INFO] [stdout] test tests::test_unify::basic_unifying_literals ... ok
[INFO] [stdout] test tests::test_fork::basic_fork_both_success ... ok
[INFO] [stdout] test tests::test_fork::basic_fork_first_success ... ok
[INFO] [stdout] test state::test::doctest ... ok
[INFO] [stdout] test tests::test_fork::basic_fork_second_success ... ok
[INFO] [stdout] test tests::test_unify::multipart_unifying_vars ... ok
[INFO] [stdout] test tests::test_constrain::unsatisfied_constrain_fails ... ok
[INFO] [stdout] test tests::test_constrain::basic_constrain_succeeds ... ok
[INFO] [stdout] test impls::tuples::tests::tuple3_nested_var ... ok
[INFO] [stdout] test tests::test_constrain::basic_constrain_fails ... ok
[INFO] [stdout] test tests::test_unify::unifying_var_fails ... ok
[INFO] [stdout] test util::multikeymultivaluemap::tests::empty ... ok
[INFO] [stdout] test impls::tuples::tests::tuple3_succeeds ... ok
[INFO] [stdout] test goals::ops::div::tests::fails ... ok
[INFO] [stdout] test value::lvar::tests::lvar_equality ... ok
[INFO] [stdout] test reify::tests::reify_resolved ... ok
[INFO] [stdout] test tests::test_unify::unifying_var_success ... ok
[INFO] [stdout] test util::multikeymultivaluemap::tests::add_and_extract ... ok
[INFO] [stdout] test goals::cmp::lte::tests::succeeds ... ok
[INFO] [stdout] test impls::tuples::tests::tuple2_nested_var ... ok
[INFO] [stdout] test tests::test_unify::basic_unifying_vars ... ok
[INFO] [stdout] test impls::tuples::tests::tuple3_fails ... ok
[INFO] [stdout] test value::lvar::tests::lvar_labels ... ok
[INFO] [stdout] test goals::cmp::gte::tests::succeeds ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 88 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests canrun
[INFO] [stdout] 
[INFO] [stdout] running 87 tests
[INFO] [stdout] test src/domains.rs - domains::domain (line 143) ... ok
[INFO] [stdout] test src/domains.rs - domains::domain (line 131) ... ok
[INFO] [stdout] test src/domains.rs - domains::domain (line 152) ... ok
[INFO] [stdout] test src/domains.rs - domains::Domain (line 19) ... ok
[INFO] [stdout] test src/collections/lmap.rs - collections::lmap::LMap<K, V>::new (line 28) ... ok
[INFO] [stdout] test src/collections/lvec.rs - collections::lvec::LVec<V>::new (line 25) ... ok
[INFO] [stdout] test src/collections/lmap.rs - lmap (line 177) ... ok
[INFO] [stdout] test src/collections/lvec.rs - collections::lvec::LVec<V>::push (line 50) ... ok
[INFO] [stdout] test src/collections/lmap.rs - collections::lmap::LMap<K, V>::insert (line 42) ... ok
[INFO] [stdout] test src/collections/lvec.rs - lvec (line 71) ... ok
[INFO] [stdout] test src/collections/lvec.rs - collections::lvec::LVec<V>::len (line 37) ... ok
[INFO] [stdout] test src/domains.rs - domains::domain (line 171) ... ok
[INFO] [stdout] test src/collections/lmap/compare.rs - collections::lmap::compare::subset (line 12) ... ok
[INFO] [stdout] test src/collections/lmap/compare.rs - collections::lmap::compare::superset (line 41) ... ok
[INFO] [stdout] test src/collections/lvec/member.rs - collections::lvec::member::member (line 18) ... ok
[INFO] [stdout] test src/collections/lvec/subset.rs - collections::lvec::subset::subset (line 17) ... ok
[INFO] [stdout] test src/collections/lvec/member.rs - collections::lvec::member::member (line 32) ... ok
[INFO] [stdout] test src/goals.rs - goals::Goal::apply (line 187) ... ok
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --test /opt/rustwide/workdir/src/lib.rs --crate-name canrun -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern canrun=/opt/rustwide/target/debug/deps/libcanrun-297e7784e8d11e39.rlib --extern canrun_codegen=/opt/rustwide/target/debug/deps/libcanrun_codegen-6834fb85a439bd09.so --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-eb7f7a99bae436f7.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-d83f1ce8c34cb4d5.rlib --extern im_rc=/opt/rustwide/target/debug/deps/libim_rc-27c5d9589b5a0569.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c8817b3e8fe5b390.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-93afe3d9087c158b.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-7b71cf6ad96983b5.rlib -C embed-bitcode=no` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "98444a003fc9e0b780a7a1813ce5f298e515928d2254816df59f1d0e3556e8cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98444a003fc9e0b780a7a1813ce5f298e515928d2254816df59f1d0e3556e8cf", kill_on_drop: false }`
[INFO] [stdout] 98444a003fc9e0b780a7a1813ce5f298e515928d2254816df59f1d0e3556e8cf