[INFO] fetching crate joinery 2.1.0...
[INFO] testing joinery-2.1.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate joinery 2.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate joinery 2.1.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17dc22495ab07a2d5fbd997c45d9cac9b6a3aab9b1d6d16709b97026fcff4cfd
[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" "17dc22495ab07a2d5fbd997c45d9cac9b6a3aab9b1d6d16709b97026fcff4cfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17dc22495ab07a2d5fbd997c45d9cac9b6a3aab9b1d6d16709b97026fcff4cfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17dc22495ab07a2d5fbd997c45d9cac9b6a3aab9b1d6d16709b97026fcff4cfd", kill_on_drop: false }`
[INFO] [stdout] 17dc22495ab07a2d5fbd997c45d9cac9b6a3aab9b1d6d16709b97026fcff4cfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f986c91ab02f207b1c39ca53129e5c6c57311b3069f9b8e0a4f428657190af62
[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" "f986c91ab02f207b1c39ca53129e5c6c57311b3069f9b8e0a4f428657190af62", kill_on_drop: false }`
[INFO] [stderr]    Compiling joinery v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "f986c91ab02f207b1c39ca53129e5c6c57311b3069f9b8e0a4f428657190af62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f986c91ab02f207b1c39ca53129e5c6c57311b3069f9b8e0a4f428657190af62", kill_on_drop: false }`
[INFO] [stdout] f986c91ab02f207b1c39ca53129e5c6c57311b3069f9b8e0a4f428657190af62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63315167f00f89a8f3eb4faf4d39e2322c64504c9e23007593c4a68d40e16928
[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" "63315167f00f89a8f3eb4faf4d39e2322c64504c9e23007593c4a68d40e16928", kill_on_drop: false }`
[INFO] [stderr]    Compiling joinery v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "63315167f00f89a8f3eb4faf4d39e2322c64504c9e23007593c4a68d40e16928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63315167f00f89a8f3eb4faf4d39e2322c64504c9e23007593c4a68d40e16928", kill_on_drop: false }`
[INFO] [stdout] 63315167f00f89a8f3eb4faf4d39e2322c64504c9e23007593c4a68d40e16928
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d7b135b415c5d9b0522a49b5d720f14dce773a95d63a7a26f2ed74773e7ed67c
[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" "d7b135b415c5d9b0522a49b5d720f14dce773a95d63a7a26f2ed74773e7ed67c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/joinery-085c84fc03e90535)
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[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_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::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 separators::test_comma::separator ... ok
[INFO] [stdout] test separators::test_comma_space::separator ... ok
[INFO] [stdout] test separators::test_dash::separator ... ok
[INFO] [stdout] test separators::test_dot::separator ... ok
[INFO] [stdout] test separators::test_newline::separator ... ok
[INFO] [stdout] test separators::test_no_separator ... ok
[INFO] [stdout] test separators::test_slash::separator ... ok
[INFO] [stdout] test separators::test_space::separator ... ok
[INFO] [stdout] test separators::test_tab::separator ... ok
[INFO] [stdout] test separators::test_underscore::separator ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests joinery
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test src/iter.rs - iter::JoinIter<I, S>::is_sep_next (line 247) ... ok
[INFO] [stdout] test src/join.rs - join::Join (line 131) ... ok
[INFO] [stdout] test src/iter.rs - iter::JoinIter<I, S>::peek (line 275) ... ok
[INFO] [stdout] test src/iter.rs - iter::JoinIter (line 207) ... ok
[INFO] [stdout] test src/iter.rs - iter::JoinableIterator::iter_join_with (line 102) ... ok
[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/join.rs - join::Separator (line 74) ... ok
[INFO] [stdout] test src/join.rs - join::Joinable::join_concat (line 42) ... ok
[INFO] [stdout] test src/iter.rs - iter::JoinIter<I, S>::peek_element (line 305) ... ok
[INFO] [stdout] test src/iter.rs - iter::JoinableIterator::join_with (line 64) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/lib.rs - (line 43) ... ok
[INFO] [stdout] test src/iter.rs - iter::JoinableIterator::join_concat (line 83) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] test src/join.rs - join::Joinable::join_with (line 26) ... 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 0.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d7b135b415c5d9b0522a49b5d720f14dce773a95d63a7a26f2ed74773e7ed67c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7b135b415c5d9b0522a49b5d720f14dce773a95d63a7a26f2ed74773e7ed67c", kill_on_drop: false }`
[INFO] [stdout] d7b135b415c5d9b0522a49b5d720f14dce773a95d63a7a26f2ed74773e7ed67c