[INFO] fetching crate streamtools 0.7.7...
[INFO] testing streamtools-0.7.7 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate streamtools 0.7.7 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate streamtools 0.7.7
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate streamtools 0.7.7
[INFO] tweaked toml for crates.io crate streamtools 0.7.7 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate streamtools 0.7.7 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate streamtools 0.7.7 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6ec02a23a167d7e1f0725782322aed1dc730ebe4ec87a05de525d57950cf2d2
[INFO] running `Command { std: "docker" "start" "-a" "b6ec02a23a167d7e1f0725782322aed1dc730ebe4ec87a05de525d57950cf2d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6ec02a23a167d7e1f0725782322aed1dc730ebe4ec87a05de525d57950cf2d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6ec02a23a167d7e1f0725782322aed1dc730ebe4ec87a05de525d57950cf2d2", kill_on_drop: false }`
[INFO] [stdout] b6ec02a23a167d7e1f0725782322aed1dc730ebe4ec87a05de525d57950cf2d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23f1e3a934e9547c88eb8377bcedb546f8317e9625cf75e513837075253c7cb1
[INFO] running `Command { std: "docker" "start" "-a" "23f1e3a934e9547c88eb8377bcedb546f8317e9625cf75e513837075253c7cb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling either-or-both v0.3.0
[INFO] [stderr]    Compiling streamtools v0.7.7 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.28s
[INFO] running `Command { std: "docker" "inspect" "23f1e3a934e9547c88eb8377bcedb546f8317e9625cf75e513837075253c7cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23f1e3a934e9547c88eb8377bcedb546f8317e9625cf75e513837075253c7cb1", kill_on_drop: false }`
[INFO] [stdout] 23f1e3a934e9547c88eb8377bcedb546f8317e9625cf75e513837075253c7cb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc6a6558c77f51aa2708c4d9a4ca19208ba0f4e8ef019b044285fa31dd307960
[INFO] running `Command { std: "docker" "start" "-a" "fc6a6558c77f51aa2708c4d9a4ca19208ba0f4e8ef019b044285fa31dd307960", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling tokio-macros v2.6.1
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling rand_core v0.10.0
[INFO] [stderr]    Compiling quickcheck_macros v1.2.0
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling rand v0.10.0
[INFO] [stderr]    Compiling tokio v1.50.0
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling env_filter v1.0.0
[INFO] [stderr]    Compiling env_logger v0.11.9
[INFO] [stderr]    Compiling quickcheck v1.1.0
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling tokio-stream v0.1.18
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling streamtools v0.7.7 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-test v0.4.5
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.51s
[INFO] running `Command { std: "docker" "inspect" "fc6a6558c77f51aa2708c4d9a4ca19208ba0f4e8ef019b044285fa31dd307960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc6a6558c77f51aa2708c4d9a4ca19208ba0f4e8ef019b044285fa31dd307960", kill_on_drop: false }`
[INFO] [stdout] fc6a6558c77f51aa2708c4d9a4ca19208ba0f4e8ef019b044285fa31dd307960
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a127a167ecba8be942a3bba3ae1711e8c44c9ef43bfb6a10cea55bc54b026d08
[INFO] running `Command { std: "docker" "start" "-a" "a127a167ecba8be942a3bba3ae1711e8c44c9ef43bfb6a10cea55bc54b026d08", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/streamtools-93fd4050abfc4696)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test fast_forward::tests::test_fast_forward_drop_before_polled ... ok
[INFO] [stdout] test fast_forward::tests::test_fast_forward_empty_stream ... ok
[INFO] [stdout] test fast_forward::tests::test_fast_forward ... ok
[INFO] [stdout] test flatten_switch::tests::test_flatten_switch ... ok
[INFO] [stdout] test sample::tests::test_sample_underlying_terminates_but_sample_yields ... ok
[INFO] [stdout] test sample::tests::test_sample ... ok
[INFO] [stdout] test sample::tests::test_sample_underlying_terminates ... ok
[INFO] [stdout] test merge_join_by::tests::size_hints_dont_lie ... ok
[INFO] [stdout] test flatten_switch::tests::test_inner_not_polled_twice_after_termination ... ok
[INFO] [stdout] test merge_join_by::tests::merge_of_sorteds_is_sorted ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests streamtools
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - StreamTools::merge_join_by (line 132) ... ok
[INFO] [stdout] test src/lib.rs - StreamTools::try_count (line 266) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.66s; merged doctests compilation took 0.65s
[INFO] running `Command { std: "docker" "inspect" "a127a167ecba8be942a3bba3ae1711e8c44c9ef43bfb6a10cea55bc54b026d08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a127a167ecba8be942a3bba3ae1711e8c44c9ef43bfb6a10cea55bc54b026d08", kill_on_drop: false }`
[INFO] [stdout] a127a167ecba8be942a3bba3ae1711e8c44c9ef43bfb6a10cea55bc54b026d08