[INFO] fetching crate unzip_iter 0.8.0...
[INFO] testing unzip_iter-0.8.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate unzip_iter 0.8.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate unzip_iter 0.8.0
[INFO] finished tweaking crates.io crate unzip_iter 0.8.0
[INFO] tweaked toml for crates.io crate unzip_iter 0.8.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unzip_iter 0.8.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate unzip_iter 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9227a0a613165cef53fbb2c7e9a1cd563e8b58c3ad314ba042a6f1af3b3a5adf
[INFO] running `Command { std: "docker" "start" "-a" "9227a0a613165cef53fbb2c7e9a1cd563e8b58c3ad314ba042a6f1af3b3a5adf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9227a0a613165cef53fbb2c7e9a1cd563e8b58c3ad314ba042a6f1af3b3a5adf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9227a0a613165cef53fbb2c7e9a1cd563e8b58c3ad314ba042a6f1af3b3a5adf", kill_on_drop: false }`
[INFO] [stdout] 9227a0a613165cef53fbb2c7e9a1cd563e8b58c3ad314ba042a6f1af3b3a5adf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ccab68f678f169be1be9e55b02ec3a9ff735f535a3b5de6cfc007c6dd315c37
[INFO] running `Command { std: "docker" "start" "-a" "2ccab68f678f169be1be9e55b02ec3a9ff735f535a3b5de6cfc007c6dd315c37", kill_on_drop: false }`
[INFO] [stderr]    Compiling unzip_iter v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "2ccab68f678f169be1be9e55b02ec3a9ff735f535a3b5de6cfc007c6dd315c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ccab68f678f169be1be9e55b02ec3a9ff735f535a3b5de6cfc007c6dd315c37", kill_on_drop: false }`
[INFO] [stdout] 2ccab68f678f169be1be9e55b02ec3a9ff735f535a3b5de6cfc007c6dd315c37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca049e8bb43e73a69124ca43f1909d9a921fac5b4e104257a0f31ad8f1b6ca32
[INFO] running `Command { std: "docker" "start" "-a" "ca049e8bb43e73a69124ca43f1909d9a921fac5b4e104257a0f31ad8f1b6ca32", kill_on_drop: false }`
[INFO] [stderr]    Compiling unzip_iter v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "ca049e8bb43e73a69124ca43f1909d9a921fac5b4e104257a0f31ad8f1b6ca32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca049e8bb43e73a69124ca43f1909d9a921fac5b4e104257a0f31ad8f1b6ca32", kill_on_drop: false }`
[INFO] [stdout] ca049e8bb43e73a69124ca43f1909d9a921fac5b4e104257a0f31ad8f1b6ca32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 06ce24e703e3c7d6c3ca8e1d979decaf35fbf96dcf481c5bf8e0d97ff39479a9
[INFO] running `Command { std: "docker" "start" "-a" "06ce24e703e3c7d6c3ca8e1d979decaf35fbf96dcf481c5bf8e0d97ff39479a9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/unzip_iter-beaec1cbf09064e3)
[INFO] [stdout] 
[INFO] [stdout] running 41 tests
[INFO] [stdout] test unzip_iters::sync_unzip_iter::sync_unzip_lock::tests::test_continuous_next ... ok
[INFO] [stdout] test unzip_iters::sync_unzip_iter::sync_unzip_lock::tests::test_dead_lock ... ok
[INFO] [stdout] test unzip_iters::sync_unzip_iter::sync_unzip_lock::tests::test_lock_drop_behavior ... ok
[INFO] [stdout] test unzip_iters::sync_unzip_iter::sync_unzip_lock::tests::test_double_ended_iterator ... ok
[INFO] [stdout] test unzip_iters::sync_unzip_iter::sync_unzip_lock::tests::test_size_hint ... ok
[INFO] [stdout] test unzip_iters::sync_unzip_iter::sync_unzip_lock::tests::test_try_lock ... ok
[INFO] [stdout] test unzip_iters::sync_unzip_iter::sync_unzip_lock::tests::test_mixed_iteration ... ok
[INFO] [stdout] test unzip_iters::sync_unzip_iter::tests::test_clone ... ok
[INFO] [stdout] test unzip_iters::sync_unzip_iter::tests::test_basic ... ok
[INFO] [stdout] test unzip_iters::sync_unzip_iter::tests::test_exact_size_iterator ... ok
[INFO] [stdout] test unzip_iters::sync_unzip_iter::tests::test_double_ended_iterator ... ok
[INFO] [stdout] test unzip_iters::sync_unzip_iter::tests::test_concurrent_double_ended ... ok
[INFO] [stdout] test unzip_iters::unzip_inner::tests::test_unzip_inner_buffer_management ... ok
[INFO] [stdout] test unzip_iters::unzip_inner::tests::how_unzip_inner_works ... ok
[INFO] [stdout] test unzip_iters::unzip_inner::tests::test_unzip_inner_exact_size ... ok
[INFO] [stdout] test unzip_iters::unzip_inner::tests::test_unzip_inner_double_ended ... ok
[INFO] [stdout] test unzip_iters::sync_unzip_iter::tests::test_complex ... ok
[INFO] [stdout] test unzip_iters::unzip_iter::tests::test_rev_loop ... ok
[INFO] [stdout] test unzip_iters::unzip_inner::tests::test_unzip_inner_basic ... ok
[INFO] [stdout] test unzip_iters::unzip_inner::tests::test_unzip_inner_empty ... ok
[INFO] [stdout] test unzip_iters::unzip_inner::tests::test_unzip_inner_next_either ... ok
[INFO] [stdout] test unzip_iters::unzip_iter::tests::test_clone ... ok
[INFO] [stdout] test unzip_iters::unzip_iter::tests::test_basic ... ok
[INFO] [stdout] test unzip_iters::unzip_iter::unzip_borrow::tests::test_continuous_next ... ok
[INFO] [stdout] test unzip_iters::unzip_iter::tests::test_empty ... ok
[INFO] [stdout] test unzip_iters::unzip_iter::tests::test_len ... ok
[INFO] [stdout] test unzip_iters::unzip_iter::tests::test_next_back ... ok
[INFO] [stdout] test unzip_iters::unzip_iter::tests::test_next_mixture ... ok
[INFO] [stdout] test unzip_iters::unzip_iter::tests::test_not_clone ... ok
[INFO] [stdout] test unzip_iters::unzip_iter::unzip_borrow::tests::test_double_ended_iterator ... ok
[INFO] [stdout] test unzip_iters::unzip_iter::unzip_borrow::tests::test_borrow_drop_behavior ... ok
[INFO] [stdout] test unzip_iters::unzip_lock::tests::test_unzip_lock_mixed_iteration ... ok
[INFO] [stdout] test unzip_iters::unzip_lock::tests::test_unzip_lock_second ... ok
[INFO] [stdout] test unzip_iters::unzip_iter::unzip_borrow::tests::test_size_hint ... ok
[INFO] [stdout] test unzip_iters::unzip_iter::unzip_borrow::tests::test_mixed_iteration ... ok
[INFO] [stdout] test unzip_iters::unzip_lock::tests::test_unzip_lock_next_back ... ok
[INFO] [stdout] test unzip_iters::unzip_lock::tests::test_unzip_lock_first ... ok
[INFO] [stdout] test unzip_iters::unzip_lock::tests::test_unzip_lock_size_hint ... ok
[INFO] [stdout] test unzip_iters::sync_unzip_iter::tests::test_thread_panic ... ok
[INFO] [stdout] test unzip_iters::unzip_iter::unzip_borrow::tests::test_double_borrow - should panic ... ok
[INFO] [stdout] test unzip_iters::sync_unzip_iter::tests::test_panic_iter - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 41 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unzip_iter
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test src/../README.md - (line 8) ... ok
[INFO] [stdout] test src/refpairs.rs - refpairs::IntoRefPairs (line 39) ... ok
[INFO] [stdout] test src/../README.md - (line 19) ... ok
[INFO] [stdout] test src/refpairs.rs - refpairs::IntoRefPairs::ref_pairs (line 54) ... ok
[INFO] [stdout] test src/refpairs.rs - refpairs::RefPairs<'a,A,B,I>::next (line 21) ... ok
[INFO] [stdout] test src/unzip_iters.rs - unzip_iters::Unzip (line 25) ... ok
[INFO] [stdout] test src/../README.md - (line 38) ... ok
[INFO] [stdout] test src/unzip_iters/sync_unzip_iter.rs - unzip_iters::sync_unzip_iter::SyncUnzipIter<A,B,I,O>::lock (line 90) ... ok
[INFO] [stdout] test src/unzip_iters.rs - unzip_iters::Unzip::unzip_iter_sync (line 70) ... ok
[INFO] [stdout] test src/unzip_iters/unzip_iter.rs - unzip_iters::unzip_iter::UnzipIter<A,B,I,O>::borrow (line 79) ... ok
[INFO] [stdout] test src/unzip_iters/sync_unzip_iter.rs - unzip_iters::sync_unzip_iter::SyncUnzipIter<A,B,I,O>::is_panicked (line 144) ... ok
[INFO] [stdout] test src/unzip_iters/sync_unzip_iter.rs - unzip_iters::sync_unzip_iter::SyncUnzipIter<A,B,I,O>::try_lock (line 119) ... ok
[INFO] [stdout] test src/unzip_iters/sync_unzip_iter/sync_unzip_lock.rs - unzip_iters::sync_unzip_iter::sync_unzip_lock::SyncUnzipLock (line 22) ... ok
[INFO] [stdout] test src/unzip_iters/unzip_iter.rs - unzip_iters::unzip_iter::UnzipIter (line 50) ... ok
[INFO] [stdout] test src/unzip_iters/unzip_iter.rs - unzip_iters::unzip_iter::TryBorrowError (line 25) ... ok
[INFO] [stdout] test src/unzip_iters/sync_unzip_iter/errors.rs - unzip_iters::sync_unzip_iter::errors::TryLockError (line 10) ... ok
[INFO] [stdout] test src/unzip_iters/unzip_iter/unzip_borrow.rs - unzip_iters::unzip_iter::unzip_borrow::UnzipBorrow (line 22) ... ok
[INFO] [stdout] test src/unzip_iters/unzip_iter.rs - unzip_iters::unzip_iter::UnzipIter<A,B,I,O>::try_borrow (line 104) ... ok
[INFO] [stdout] test src/unzip_iters/sync_unzip_iter.rs - unzip_iters::sync_unzip_iter::SyncUnzipIter (line 35) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "06ce24e703e3c7d6c3ca8e1d979decaf35fbf96dcf481c5bf8e0d97ff39479a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06ce24e703e3c7d6c3ca8e1d979decaf35fbf96dcf481c5bf8e0d97ff39479a9", kill_on_drop: false }`
[INFO] [stdout] 06ce24e703e3c7d6c3ca8e1d979decaf35fbf96dcf481c5bf8e0d97ff39479a9