[INFO] fetching crate joinery 2.1.0...
[INFO] testing joinery-2.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate joinery 2.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate joinery 2.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d53f646ec8b51e209ae5f7dd684941367aae3d3433147df84ce10831cbf95281
[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" "d53f646ec8b51e209ae5f7dd684941367aae3d3433147df84ce10831cbf95281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d53f646ec8b51e209ae5f7dd684941367aae3d3433147df84ce10831cbf95281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d53f646ec8b51e209ae5f7dd684941367aae3d3433147df84ce10831cbf95281", kill_on_drop: false }`
[INFO] [stdout] d53f646ec8b51e209ae5f7dd684941367aae3d3433147df84ce10831cbf95281
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e252343a27c59d3ce8ccdd2b2f317eb03b2e50e4e6d712fd887630ea572f89fd
[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" "e252343a27c59d3ce8ccdd2b2f317eb03b2e50e4e6d712fd887630ea572f89fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling joinery v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "e252343a27c59d3ce8ccdd2b2f317eb03b2e50e4e6d712fd887630ea572f89fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e252343a27c59d3ce8ccdd2b2f317eb03b2e50e4e6d712fd887630ea572f89fd", kill_on_drop: false }`
[INFO] [stdout] e252343a27c59d3ce8ccdd2b2f317eb03b2e50e4e6d712fd887630ea572f89fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ccf9afd5c0bfa2db89a4e3ec99062e8e719d4aaf60873b43eb833e4dd3588e7
[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" "8ccf9afd5c0bfa2db89a4e3ec99062e8e719d4aaf60873b43eb833e4dd3588e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling joinery v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "8ccf9afd5c0bfa2db89a4e3ec99062e8e719d4aaf60873b43eb833e4dd3588e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ccf9afd5c0bfa2db89a4e3ec99062e8e719d4aaf60873b43eb833e4dd3588e7", kill_on_drop: false }`
[INFO] [stdout] 8ccf9afd5c0bfa2db89a4e3ec99062e8e719d4aaf60873b43eb833e4dd3588e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 69a1e8bf7c1b5bd82a89c4f320c4e7eac2cdc36ff953ca9f70e875125d79f6a7
[INFO] running `Command { std: "docker" "start" "-a" "69a1e8bf7c1b5bd82a89c4f320c4e7eac2cdc36ff953ca9f70e875125d79f6a7", 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] [stderr]    Doc-tests joinery
[INFO] [stdout] running 27 tests
[INFO] [stdout] test iter::tests::large_size_hint ... ok
[INFO] [stdout] test iter::tests::empty_iter ... 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::few ... ok
[INFO] [stdout] test join::tests::simple_join ... ok
[INFO] [stdout] test join::tests::single ... ok
[INFO] [stdout] test separators::test_comma_space::separator ... ok
[INFO] [stdout] test separators::test_newline::separator ... ok
[INFO] [stdout] test join::tests::ref_iter ... ok
[INFO] [stdout] test iter::tests::partial_fold ... ok
[INFO] [stdout] test iter::tests::partial_iteration ... ok
[INFO] [stdout] test join::tests::join_via_separator ... ok
[INFO] [stdout] test iter::tests::fold ... ok
[INFO] [stdout] test join::tests::iter ... ok
[INFO] [stdout] test join::tests::empty ... 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 iter::tests::partial_try_fold ... ok
[INFO] [stdout] test iter::tests::try_fold ... ok
[INFO] [stdout] test separators::test_underscore::separator ... ok
[INFO] [stdout] test separators::test_dash::separator ... ok
[INFO] [stdout] test separators::test_dot::separator ... ok
[INFO] [stdout] test separators::test_comma::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] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test src/iter.rs - iter::JoinIter (line 207) ... ok
[INFO] [stdout] test src/lib.rs - (line 43) ... 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::Join (line 113) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] test src/iter.rs - iter::JoinableIterator::join_with (line 64) ... ok
[INFO] [stdout] test src/iter.rs - iter::JoinIter<I,S>::peek_element (line 305) ... ok
[INFO] [stdout] test src/iter.rs - iter::JoinIter<I,S>::peek (line 275) ... ok
[INFO] [stdout] test src/join.rs - join::Joinable::join_with (line 26) ... ok
[INFO] [stdout] test src/iter.rs - iter::JoinIter (line 191) ... ok
[INFO] [stdout] test src/join.rs - join::Joinable::join_concat (line 42) ... ok
[INFO] [stdout] test src/iter.rs - iter::JoinIter<I,S>::is_sep_next (line 247) ... ok
[INFO] [stdout] test src/join.rs - join::Separator (line 74) ... ok
[INFO] [stdout] test src/join.rs - join::Join (line 131) ... ok
[INFO] [stdout] test src/iter.rs - iter::JoinableIterator::join_concat (line 83) ... 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 27) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.79s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "69a1e8bf7c1b5bd82a89c4f320c4e7eac2cdc36ff953ca9f70e875125d79f6a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69a1e8bf7c1b5bd82a89c4f320c4e7eac2cdc36ff953ca9f70e875125d79f6a7", kill_on_drop: false }`
[INFO] [stdout] 69a1e8bf7c1b5bd82a89c4f320c4e7eac2cdc36ff953ca9f70e875125d79f6a7