[INFO] fetching crate joinery 2.0.0...
[INFO] testing joinery-2.0.0 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate joinery 2.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate joinery 2.0.0 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0911634f4eeb809266c78a79cf0d737c07a5a4e2a6a0c7d7a8193af24987577c
[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" "0911634f4eeb809266c78a79cf0d737c07a5a4e2a6a0c7d7a8193af24987577c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0911634f4eeb809266c78a79cf0d737c07a5a4e2a6a0c7d7a8193af24987577c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0911634f4eeb809266c78a79cf0d737c07a5a4e2a6a0c7d7a8193af24987577c", kill_on_drop: false }`
[INFO] [stdout] 0911634f4eeb809266c78a79cf0d737c07a5a4e2a6a0c7d7a8193af24987577c
[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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0045d1754a86ef56b93c5577759db9bc99bd7cfc81a2e77fcdcb8ba0cc7453ce
[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" "0045d1754a86ef56b93c5577759db9bc99bd7cfc81a2e77fcdcb8ba0cc7453ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling joinery v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "0045d1754a86ef56b93c5577759db9bc99bd7cfc81a2e77fcdcb8ba0cc7453ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0045d1754a86ef56b93c5577759db9bc99bd7cfc81a2e77fcdcb8ba0cc7453ce", kill_on_drop: false }`
[INFO] [stdout] 0045d1754a86ef56b93c5577759db9bc99bd7cfc81a2e77fcdcb8ba0cc7453ce
[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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 277e3e2b0cda46624cdf53571ff0cf18ce134c9ca009a36d68067d3a9540d055
[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" "277e3e2b0cda46624cdf53571ff0cf18ce134c9ca009a36d68067d3a9540d055", kill_on_drop: false }`
[INFO] [stderr]    Compiling joinery v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "277e3e2b0cda46624cdf53571ff0cf18ce134c9ca009a36d68067d3a9540d055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "277e3e2b0cda46624cdf53571ff0cf18ce134c9ca009a36d68067d3a9540d055", kill_on_drop: false }`
[INFO] [stdout] 277e3e2b0cda46624cdf53571ff0cf18ce134c9ca009a36d68067d3a9540d055
[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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 006b9f277572d22f8ed647dced07a23adfe515a4759dd2b61f125652cf8d379c
[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" "006b9f277572d22f8ed647dced07a23adfe515a4759dd2b61f125652cf8d379c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/joinery-2770e7e7bb072ac8
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test iter::tests::empty_iter ... ok
[INFO] [stdout] test iter::tests::few ... ok
[INFO] [stdout] test iter::tests::partial_iteration ... ok
[INFO] [stdout] test iter::tests::partial_fold ... ok
[INFO] [stdout] test iter::tests::regular_size_hint ... ok
[INFO] [stdout] test iter::tests::fold ... ok
[INFO] [stdout] test separators::test_comma ... ok
[INFO] [stderr]    Doc-tests joinery
[INFO] [stdout] test iter::tests::large_size_hint ... ok
[INFO] [stdout] test join::tests::single ... ok
[INFO] [stdout] test iter::tests::partial_try_fold ... ok
[INFO] [stdout] test join::tests::join_via_separator ... ok
[INFO] [stdout] test iter::tests::single ... ok
[INFO] [stdout] test iter::tests::threshold_size_hint ... ok
[INFO] [stdout] test separators::test_dot ... ok
[INFO] [stdout] test iter::tests::try_fold ... ok
[INFO] [stdout] test separators::test_space ... ok
[INFO] [stdout] test separators::test_dash ... ok
[INFO] [stdout] test join::tests::empty ... ok
[INFO] [stdout] test join::tests::iter ... ok
[INFO] [stdout] test separators::test_comma_space ... ok
[INFO] [stdout] test join::tests::simple_join ... ok
[INFO] [stdout] test join::tests::ref_iter ... ok
[INFO] [stdout] test separators::test_no_separator ... ok
[INFO] [stdout] test separators::test_slash ... ok
[INFO] [stdout] test separators::test_tab ... ok
[INFO] [stdout] test separators::test_underscore ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test src/iter.rs - iter::JoinIter<I, S>::peek_element (line 305) ... ok
[INFO] [stdout] test src/join.rs - join::Join (line 108) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... 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/iter.rs - iter::JoinIter<I, S>::peek (line 275) ... ok
[INFO] [stdout] test src/iter.rs - iter::JoinableIterator::join_concat (line 83) ... 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::JoinableIterator::join_with (line 64) ... ok
[INFO] [stdout] test src/join.rs - join::Joinable::join_with (line 21) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] test src/join.rs - join::Join (line 126) ... ok
[INFO] [stdout] test src/iter.rs - iter::JoinIter (line 207) ... ok
[INFO] [stdout] test src/join.rs - join::Joinable::join_concat (line 37) ... ok
[INFO] [stdout] test src/lib.rs - (line 43) ... ok
[INFO] [stdout] test src/lib.rs - (line 57) ... 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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "006b9f277572d22f8ed647dced07a23adfe515a4759dd2b61f125652cf8d379c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "006b9f277572d22f8ed647dced07a23adfe515a4759dd2b61f125652cf8d379c", kill_on_drop: false }`
[INFO] [stdout] 006b9f277572d22f8ed647dced07a23adfe515a4759dd2b61f125652cf8d379c