[INFO] fetching crate joinery 2.1.0...
[INFO] testing joinery-2.1.0 against 1.55.0 for beta-1.56-1
[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 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ecb606b3de5869a767366fd5a25de9bb5a356d75d353074be24587ef1cebc02
[INFO] running `Command { std: "docker" "start" "-a" "0ecb606b3de5869a767366fd5a25de9bb5a356d75d353074be24587ef1cebc02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ecb606b3de5869a767366fd5a25de9bb5a356d75d353074be24587ef1cebc02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ecb606b3de5869a767366fd5a25de9bb5a356d75d353074be24587ef1cebc02", kill_on_drop: false }`
[INFO] [stdout] 0ecb606b3de5869a767366fd5a25de9bb5a356d75d353074be24587ef1cebc02
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 954ac25dd93fbd2e60f29691d97e1218c1b460d0a883cf3735755cd5f5d67bee
[INFO] running `Command { std: "docker" "start" "-a" "954ac25dd93fbd2e60f29691d97e1218c1b460d0a883cf3735755cd5f5d67bee", kill_on_drop: false }`
[INFO] [stderr]    Compiling joinery v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "954ac25dd93fbd2e60f29691d97e1218c1b460d0a883cf3735755cd5f5d67bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "954ac25dd93fbd2e60f29691d97e1218c1b460d0a883cf3735755cd5f5d67bee", kill_on_drop: false }`
[INFO] [stdout] 954ac25dd93fbd2e60f29691d97e1218c1b460d0a883cf3735755cd5f5d67bee
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b02a1ca85aeb246a0079bd892f057729992736c5e4bf8f2a70c4d1eb1e6d48c
[INFO] running `Command { std: "docker" "start" "-a" "9b02a1ca85aeb246a0079bd892f057729992736c5e4bf8f2a70c4d1eb1e6d48c", kill_on_drop: false }`
[INFO] [stderr]    Compiling joinery v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "9b02a1ca85aeb246a0079bd892f057729992736c5e4bf8f2a70c4d1eb1e6d48c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b02a1ca85aeb246a0079bd892f057729992736c5e4bf8f2a70c4d1eb1e6d48c", kill_on_drop: false }`
[INFO] [stdout] 9b02a1ca85aeb246a0079bd892f057729992736c5e4bf8f2a70c4d1eb1e6d48c
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 04b613d011fd630dcf2adf342ad5c97efa33cc37de9250ef6b4e686868fedcd4
[INFO] running `Command { std: "docker" "start" "-a" "04b613d011fd630dcf2adf342ad5c97efa33cc37de9250ef6b4e686868fedcd4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 27 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/joinery-9024a8aab76ae630)
[INFO] [stdout] test iter::tests::empty_iter ... ok
[INFO] [stderr]    Doc-tests joinery
[INFO] [stdout] test iter::tests::few ... ok
[INFO] [stdout] test iter::tests::fold ... ok
[INFO] [stdout] test iter::tests::single ... ok
[INFO] [stdout] test join::tests::join_via_separator ... ok
[INFO] [stdout] test separators::test_dash::separator ... ok
[INFO] [stdout] test iter::tests::partial_try_fold ... ok
[INFO] [stdout] test iter::tests::try_fold ... ok
[INFO] [stdout] test join::tests::simple_join ... ok
[INFO] [stdout] test iter::tests::large_size_hint ... 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 join::tests::ref_iter ... ok
[INFO] [stdout] test join::tests::empty ... ok
[INFO] [stdout] test join::tests::iter ... ok
[INFO] [stdout] test iter::tests::partial_fold ... ok
[INFO] [stdout] test iter::tests::regular_size_hint ... ok
[INFO] [stdout] test iter::tests::threshold_size_hint ... ok
[INFO] [stdout] test separators::test_no_separator ... ok
[INFO] [stdout] test iter::tests::partial_iteration ... ok
[INFO] [stdout] test separators::test_slash::separator ... ok
[INFO] [stdout] test separators::test_dot::separator ... ok
[INFO] [stdout] test separators::test_space::separator ... ok
[INFO] [stdout] test separators::test_newline::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 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test src/iter.rs - iter::JoinIter (line 191) ... ok
[INFO] [stdout] test src/iter.rs - iter::JoinIter<I, S>::is_sep_next (line 247) ... ok
[INFO] [stdout] test src/lib.rs - (line 57) ... ok
[INFO] [stdout] test src/iter.rs - iter::JoinIter (line 207) ... ok
[INFO] [stdout] test src/join.rs - join::Join (line 131) ... ok
[INFO] [stdout] test src/join.rs - join::Separator (line 74) ... ok
[INFO] [stdout] test src/join.rs - join::Join (line 113) ... ok
[INFO] [stdout] test src/iter.rs - iter::JoinableIterator::join_with (line 64) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... 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/separators.rs - separators::NoSeparator (line 27) ... 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/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/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/lib.rs - (line 74) ... ok
[INFO] [stdout] test src/join.rs - join::Joinable::join_with (line 26) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "04b613d011fd630dcf2adf342ad5c97efa33cc37de9250ef6b4e686868fedcd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04b613d011fd630dcf2adf342ad5c97efa33cc37de9250ef6b4e686868fedcd4", kill_on_drop: false }`
[INFO] [stdout] 04b613d011fd630dcf2adf342ad5c97efa33cc37de9250ef6b4e686868fedcd4