[INFO] fetching crate rvs 0.5.0...
[INFO] testing rvs-0.5.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate rvs 0.5.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rvs 0.5.0 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 rvs 0.5.0
[INFO] finished tweaking crates.io crate rvs 0.5.0
[INFO] tweaked toml for crates.io crate rvs 0.5.0 written to /workspace/builds/worker-0/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] fc87472151f8da0beb05d4a78e1e8f981765fbae7434322beefe354d0b4ba4af
[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" "fc87472151f8da0beb05d4a78e1e8f981765fbae7434322beefe354d0b4ba4af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc87472151f8da0beb05d4a78e1e8f981765fbae7434322beefe354d0b4ba4af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc87472151f8da0beb05d4a78e1e8f981765fbae7434322beefe354d0b4ba4af", kill_on_drop: false }`
[INFO] [stdout] fc87472151f8da0beb05d4a78e1e8f981765fbae7434322beefe354d0b4ba4af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 2f947b5622fdec91f88a51ab03777fb1306174e346d932167c0caf8a8010b9e0
[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" "2f947b5622fdec91f88a51ab03777fb1306174e346d932167c0caf8a8010b9e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling peg v0.6.3
[INFO] [stderr]    Compiling rvs-parser v0.5.0
[INFO] [stderr]    Compiling rvs v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.74s
[INFO] running `Command { std: "docker" "inspect" "2f947b5622fdec91f88a51ab03777fb1306174e346d932167c0caf8a8010b9e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f947b5622fdec91f88a51ab03777fb1306174e346d932167c0caf8a8010b9e0", kill_on_drop: false }`
[INFO] [stdout] 2f947b5622fdec91f88a51ab03777fb1306174e346d932167c0caf8a8010b9e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 24d03f10ced01ec26e7968b593d6b95c5555731ab12b43ef3afa864d2753beb2
[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" "24d03f10ced01ec26e7968b593d6b95c5555731ab12b43ef3afa864d2753beb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rvs v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.80s
[INFO] running `Command { std: "docker" "inspect" "24d03f10ced01ec26e7968b593d6b95c5555731ab12b43ef3afa864d2753beb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24d03f10ced01ec26e7968b593d6b95c5555731ab12b43ef3afa864d2753beb2", kill_on_drop: false }`
[INFO] [stdout] 24d03f10ced01ec26e7968b593d6b95c5555731ab12b43ef3afa864d2753beb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] d98a290f60475985e5c85443e9570d634abb7fd09b44c7a0415dd1fffc34738f
[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" "d98a290f60475985e5c85443e9570d634abb7fd09b44c7a0415dd1fffc34738f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rvs-0d206a7192d829c7)
[INFO] [stdout] running 4 tests
[INFO] [stdout] test types::range::tests::range::full_range ... ignored
[INFO] [stdout] test types::range::tests::range::basic ... ok
[INFO] [stdout] test types::range::tests::range::max_max ... ok
[INFO] [stdout] test types::weighted::tests::test_populate_pool ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/display.rs (/opt/rustwide/target/debug/deps/display-d244060065b7fd95)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test precendence ... ok
[INFO] [stderr]      Running tests/done.rs (/opt/rustwide/target/debug/deps/done-5323dc72db33f1f4)
[INFO] [stdout] test multiple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test always_done ... ok
[INFO] [stdout] test done_causes_advance_to_next_subexpr ... ok
[INFO] [stdout] test done_defaults_to_false ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lazyness.rs (/opt/rustwide/target/debug/deps/lazyness-b221aa53743b2ca0)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/once.rs (/opt/rustwide/target/debug/deps/once-e1867d2ee37d3ebf)
[INFO] [stdout] test type_arguments ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test yields_constant_value_and_always_done ... ok
[INFO] [stdout] test done_defaults_to_false ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/operations.rs (/opt/rustwide/target/debug/deps/operations-f77c0d1f1a79954a)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test yields_sum ... ok
[INFO] [stdout] test overflow_mul ... ok
[INFO] [stdout] test overflow_shl ... ok
[INFO] [stdout] test overflow_shr ... ok
[INFO] [stdout] test overflow_add ... ok
[INFO] [stdout] test overflow_neg ... ok
[INFO] [stdout] test overflow_sub ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/parse.rs (/opt/rustwide/target/debug/deps/parse-c95ca3664dd873a9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/pattern.rs (/opt/rustwide/target/debug/deps/pattern-b993bc158e4a17d6)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test yields_a_repeating_pattern ... ok
[INFO] [stdout] test selects_another_subexpr_when_current_subexpr_done ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/range.rs (/opt/rustwide/target/debug/deps/range-6426281988e9f1ed)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test equal_limits ... ok
[INFO] [stdout] test done_after_each_next ... ok
[INFO] [stdout] test reverse_limits ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/readme.rs (/opt/rustwide/target/debug/deps/readme-be8937e577217ca7)
[INFO] [stdout] test readme ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/repl.rs (/opt/rustwide/target/debug/deps/repl-b99475c7938b3c19)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/sample_with_replacement.rs (/opt/rustwide/target/debug/deps/sample_with_replacement-3c2aaa68e72296df)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test basic ... ok
[INFO] [stdout] test done_when_sub_expr_done ... ok
[INFO] [stdout] test selects_another_subexpr_when_current_subexpr_done ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/sample_without_replacement.rs (/opt/rustwide/target/debug/deps/sample_without_replacement-1d4ee17960917f46)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test done_when_all_done ... ok
[INFO] [stdout] test done_when_all_done2 ... ok
[INFO] [stderr]      Running tests/sequence.rs (/opt/rustwide/target/debug/deps/sequence-0183fc994379cf9e)
[INFO] [stdout] test yields_each_value_once_per_cycle ... ok
[INFO] [stdout] test selects_another_subexpr_when_current_subexpr_done ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test decrement ... ok
[INFO] [stdout] test zero_last ... ok
[INFO] [stdout] test negative_increment_skips_last ... ok
[INFO] [stdout] test first_last_increment ... ok
[INFO] [stdout] test increment_skips_last ... ok
[INFO] [stdout] test last ... ok
[INFO] [stdout] test first_last ... ok
[INFO] [stdout] test args_evaluated_every_cycle ... ok
[INFO] [stdout] test zero_increment - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/variables_in_expressions.rs (/opt/rustwide/target/debug/deps/variables_in_expressions-f8edbb55c033e93c)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test prev ... ok
[INFO] [stdout] test copy ... ok
[INFO] [stdout] test next ... ok
[INFO] [stdout] test next_pattern ... ok
[INFO] [stdout] test next_done ... ok
[INFO] [stderr]      Running tests/weighted_sample_with_replacement.rs (/opt/rustwide/target/debug/deps/weighted_sample_with_replacement-ae0bb21397177d4d)
[INFO] [stdout] test copy_pattern ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test done_when_sub_expr_done ... ok
[INFO] [stdout] test selects_another_subexpr_when_current_subexpr_done ... ok
[INFO] [stdout] test distribution ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/weighted_sample_without_replacement.rs (/opt/rustwide/target/debug/deps/weighted_sample_without_replacement-2ef1df3d3456e168)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test distribution ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rvs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d98a290f60475985e5c85443e9570d634abb7fd09b44c7a0415dd1fffc34738f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d98a290f60475985e5c85443e9570d634abb7fd09b44c7a0415dd1fffc34738f", kill_on_drop: false }`
[INFO] [stdout] d98a290f60475985e5c85443e9570d634abb7fd09b44c7a0415dd1fffc34738f