[INFO] fetching crate joinery 2.0.0...
[INFO] testing joinery-2.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate joinery 2.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate joinery 2.0.0 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 joinery 2.0.0
[INFO] finished tweaking crates.io crate joinery 2.0.0
[INFO] tweaked toml for crates.io crate joinery 2.0.0 written to /workspace/builds/worker-0/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-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] f91249ca00338fce53127ff8c5c78df2e1ca918aaa33588d9c6ec091453389c8
[INFO] running `Command { std: "docker" "start" "-a" "f91249ca00338fce53127ff8c5c78df2e1ca918aaa33588d9c6ec091453389c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f91249ca00338fce53127ff8c5c78df2e1ca918aaa33588d9c6ec091453389c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f91249ca00338fce53127ff8c5c78df2e1ca918aaa33588d9c6ec091453389c8", kill_on_drop: false }`
[INFO] [stdout] f91249ca00338fce53127ff8c5c78df2e1ca918aaa33588d9c6ec091453389c8
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 318aa987ad44c90695c679b1b71ab29083b24d58978681b3a1f7fec5f3a2e937
[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" "318aa987ad44c90695c679b1b71ab29083b24d58978681b3a1f7fec5f3a2e937", kill_on_drop: false }`
[INFO] [stderr]    Compiling joinery v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "318aa987ad44c90695c679b1b71ab29083b24d58978681b3a1f7fec5f3a2e937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "318aa987ad44c90695c679b1b71ab29083b24d58978681b3a1f7fec5f3a2e937", kill_on_drop: false }`
[INFO] [stdout] 318aa987ad44c90695c679b1b71ab29083b24d58978681b3a1f7fec5f3a2e937
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7bfd1f45f21331abf212d9230d93e88255001f3f6bb654826665d91c10146ff
[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" "b7bfd1f45f21331abf212d9230d93e88255001f3f6bb654826665d91c10146ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling joinery v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "b7bfd1f45f21331abf212d9230d93e88255001f3f6bb654826665d91c10146ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7bfd1f45f21331abf212d9230d93e88255001f3f6bb654826665d91c10146ff", kill_on_drop: false }`
[INFO] [stdout] b7bfd1f45f21331abf212d9230d93e88255001f3f6bb654826665d91c10146ff
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", 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] ac7804c732b0f243a6e6beb16db138ffc9a7db8f3de1906ad49f829208837227
[INFO] running `Command { std: "docker" "start" "-a" "ac7804c732b0f243a6e6beb16db138ffc9a7db8f3de1906ad49f829208837227", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 26 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/joinery-acf8127ae00278a5
[INFO] [stdout] test iter::tests::empty_iter ... ok
[INFO] [stdout] test iter::tests::few ... ok
[INFO] [stdout] test iter::tests::fold ... ok
[INFO] [stdout] test iter::tests::large_size_hint ... ok
[INFO] [stdout] test iter::tests::partial_fold ... ok
[INFO] [stdout] test iter::tests::partial_try_fold ... ok
[INFO] [stdout] test iter::tests::single ... ok
[INFO] [stdout] test join::tests::single ... ok
[INFO] [stdout] test separators::test_dash ... ok
[INFO] [stdout] test iter::tests::try_fold ... ok
[INFO] [stdout] test join::tests::iter ... ok
[INFO] [stdout] test join::tests::join_via_separator ... ok
[INFO] [stdout] test iter::tests::partial_iteration ... ok
[INFO] [stdout] test join::tests::empty ... ok
[INFO] [stdout] test iter::tests::threshold_size_hint ... ok
[INFO] [stdout] test iter::tests::regular_size_hint ... ok
[INFO] [stdout] test separators::test_slash ... ok
[INFO] [stdout] test join::tests::simple_join ... ok
[INFO] [stdout] test separators::test_space ... ok
[INFO] [stdout] test separators::test_comma_space ... ok
[INFO] [stdout] test separators::test_tab ... ok
[INFO] [stdout] test join::tests::ref_iter ... ok
[INFO] [stdout] test separators::test_no_separator ... ok
[INFO] [stdout] test separators::test_underscore ... ok
[INFO] [stdout] test separators::test_dot ... ok
[INFO] [stderr]    Doc-tests joinery
[INFO] [stdout] test separators::test_comma ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test src/join.rs - join::Joinable::join_concat (line 37) ... ok
[INFO] [stdout] test src/iter.rs - iter::JoinableIterator::iter_join_with (line 102) ... ok
[INFO] [stdout] test src/join.rs - join::Separator (line 69) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/iter.rs - iter::JoinableIterator::join_concat (line 83) ... ok
[INFO] [stdout] test src/iter.rs - iter::JoinIter<I, S>::peek (line 275) ... ok
[INFO] [stdout] test src/join.rs - join::Join (line 126) ... ok
[INFO] [stdout] test src/join.rs - join::Joinable::join_with (line 21) ... ok
[INFO] [stdout] test src/iter.rs - iter::JoinableIterator::join_with (line 64) ... ok
[INFO] [stdout] test src/iter.rs - iter::JoinIter<I, S>::is_sep_next (line 247) ... ok
[INFO] [stdout] test src/iter.rs - iter::JoinIter (line 191) ... ok
[INFO] [stdout] test src/iter.rs - iter::JoinIter (line 207) ... ok
[INFO] [stdout] test src/iter.rs - iter::JoinIter<I, S>::peek_element (line 305) ... ok
[INFO] [stdout] test src/lib.rs - (line 57) ... ok
[INFO] [stdout] test src/join.rs - join::Join (line 108) ... ok
[INFO] [stdout] test src/lib.rs - (line 43) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] test src/lib.rs - (line 74) ... ok
[INFO] [stdout] test src/separators.rs - separators::NoSeparator (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.68s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ac7804c732b0f243a6e6beb16db138ffc9a7db8f3de1906ad49f829208837227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac7804c732b0f243a6e6beb16db138ffc9a7db8f3de1906ad49f829208837227", kill_on_drop: false }`
[INFO] [stdout] ac7804c732b0f243a6e6beb16db138ffc9a7db8f3de1906ad49f829208837227