[INFO] fetching crate joinery 2.1.0...
[INFO] testing joinery-2.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate joinery 2.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate joinery 2.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate joinery 2.1.0
[INFO] finished tweaking crates.io crate joinery 2.1.0
[INFO] tweaked toml for crates.io crate joinery 2.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] ba89bbde147f1577b8738343002ec75f34f72414af488c0522d4e99a819679a4
[INFO] running `Command { std: "docker" "start" "-a" "ba89bbde147f1577b8738343002ec75f34f72414af488c0522d4e99a819679a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba89bbde147f1577b8738343002ec75f34f72414af488c0522d4e99a819679a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba89bbde147f1577b8738343002ec75f34f72414af488c0522d4e99a819679a4", kill_on_drop: false }`
[INFO] [stdout] ba89bbde147f1577b8738343002ec75f34f72414af488c0522d4e99a819679a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1b9aa41ed8c2e50f9f8ad8ab108823a39781d0b319a3a2f1b9966f0b44d6b87
[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" "c1b9aa41ed8c2e50f9f8ad8ab108823a39781d0b319a3a2f1b9966f0b44d6b87", kill_on_drop: false }`
[INFO] [stderr]    Compiling joinery v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "c1b9aa41ed8c2e50f9f8ad8ab108823a39781d0b319a3a2f1b9966f0b44d6b87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1b9aa41ed8c2e50f9f8ad8ab108823a39781d0b319a3a2f1b9966f0b44d6b87", kill_on_drop: false }`
[INFO] [stdout] c1b9aa41ed8c2e50f9f8ad8ab108823a39781d0b319a3a2f1b9966f0b44d6b87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3a987975fde388c47b5e766f90c164fb822fc8715961e5cadeb6c87972e4680
[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" "e3a987975fde388c47b5e766f90c164fb822fc8715961e5cadeb6c87972e4680", kill_on_drop: false }`
[INFO] [stderr]    Compiling joinery v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "e3a987975fde388c47b5e766f90c164fb822fc8715961e5cadeb6c87972e4680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a987975fde388c47b5e766f90c164fb822fc8715961e5cadeb6c87972e4680", kill_on_drop: false }`
[INFO] [stdout] e3a987975fde388c47b5e766f90c164fb822fc8715961e5cadeb6c87972e4680
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4bffce3e5eb8bd342570140164fda19668cb6192829eacd4c3ee77a8a457c98b
[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" "4bffce3e5eb8bd342570140164fda19668cb6192829eacd4c3ee77a8a457c98b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/joinery-d81834438c3a5902)
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test iter::tests::empty_iter ... ok
[INFO] [stdout] test iter::tests::partial_iteration ... ok
[INFO] [stdout] test iter::tests::partial_try_fold ... ok
[INFO] [stdout] test iter::tests::regular_size_hint ... ok
[INFO] [stdout] test iter::tests::single ... ok
[INFO] [stdout] test iter::tests::threshold_size_hint ... ok
[INFO] [stdout] test iter::tests::large_size_hint ... ok
[INFO] [stdout] test iter::tests::try_fold ... ok
[INFO] [stdout] test join::tests::empty ... ok
[INFO] [stdout] test join::tests::iter ... ok
[INFO] [stdout] test join::tests::join_via_separator ... ok
[INFO] [stdout] test join::tests::ref_iter ... ok
[INFO] [stdout] test join::tests::simple_join ... ok
[INFO] [stdout] test join::tests::single ... ok
[INFO] [stdout] test iter::tests::fold ... ok
[INFO] [stdout] test iter::tests::few ... ok
[INFO] [stdout] test separators::test_newline::separator ... ok
[INFO] [stdout] test separators::test_space::separator ... ok
[INFO] [stdout] test separators::test_dot::separator ... ok
[INFO] [stdout] test separators::test_slash::separator ... ok
[INFO] [stdout] test separators::test_tab::separator ... ok
[INFO] [stdout] test separators::test_underscore::separator ... ok
[INFO] [stdout] test separators::test_dash::separator ... ok
[INFO] [stdout] test separators::test_comma_space::separator ... ok
[INFO] [stdout] test separators::test_comma::separator ... ok
[INFO] [stdout] test iter::tests::partial_fold ... ok
[INFO] [stdout] test separators::test_no_separator ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests joinery
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test src/iter.rs - iter::JoinIter (line 191) ... ok
[INFO] [stdout] test src/join.rs - join::Join (line 113) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] test src/join.rs - join::Join (line 131) ... ok
[INFO] [stdout] test src/lib.rs - (line 43) ... 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 207) ... ok
[INFO] [stdout] test src/join.rs - join::Separator (line 74) ... ok
[INFO] [stdout] test src/iter.rs - iter::JoinableIterator::iter_join_with (line 102) ... ok
[INFO] [stdout] test src/iter.rs - iter::JoinIter<I,S>::peek (line 275) ... ok
[INFO] [stdout] test src/iter.rs - iter::JoinIter<I,S>::peek_element (line 305) ... ok
[INFO] [stdout] test src/join.rs - join::Joinable::join_concat (line 42) ... ok
[INFO] [stdout] test src/iter.rs - iter::JoinableIterator::join_concat (line 83) ... 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 26) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/lib.rs - (line 57) ... ok
[INFO] [stdout] test src/separators.rs - separators::NoSeparator (line 27) ... ok
[INFO] [stdout] test src/lib.rs - (line 74) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4bffce3e5eb8bd342570140164fda19668cb6192829eacd4c3ee77a8a457c98b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bffce3e5eb8bd342570140164fda19668cb6192829eacd4c3ee77a8a457c98b", kill_on_drop: false }`
[INFO] [stdout] 4bffce3e5eb8bd342570140164fda19668cb6192829eacd4c3ee77a8a457c98b