[INFO] fetching crate lender 0.2.1...
[INFO] testing lender-0.2.1 against 1.76.0 for beta-1.77-3
[INFO] extracting crate lender 0.2.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate lender 0.2.1 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lender 0.2.1
[INFO] finished tweaking crates.io crate lender 0.2.1
[INFO] tweaked toml for crates.io crate lender 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f46dff2515b9e5c7a68c0cb66c2972cddd83b8204a0e8134161c35d5a8f47865
[INFO] running `Command { std: "docker" "start" "-a" "f46dff2515b9e5c7a68c0cb66c2972cddd83b8204a0e8134161c35d5a8f47865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f46dff2515b9e5c7a68c0cb66c2972cddd83b8204a0e8134161c35d5a8f47865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f46dff2515b9e5c7a68c0cb66c2972cddd83b8204a0e8134161c35d5a8f47865", kill_on_drop: false }`
[INFO] [stdout] f46dff2515b9e5c7a68c0cb66c2972cddd83b8204a0e8134161c35d5a8f47865
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3df3d6fc18a8c17f5835f15634f9eef550a037cff0312acd9482f34c3ebfe6c
[INFO] running `Command { std: "docker" "start" "-a" "b3df3d6fc18a8c17f5835f15634f9eef550a037cff0312acd9482f34c3ebfe6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling lender v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "b3df3d6fc18a8c17f5835f15634f9eef550a037cff0312acd9482f34c3ebfe6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3df3d6fc18a8c17f5835f15634f9eef550a037cff0312acd9482f34c3ebfe6c", kill_on_drop: false }`
[INFO] [stdout] b3df3d6fc18a8c17f5835f15634f9eef550a037cff0312acd9482f34c3ebfe6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 380cf15e831681a3d4be569a55fca6fa2a383ef0f8780f4788639b8e8a4c1a2c
[INFO] running `Command { std: "docker" "start" "-a" "380cf15e831681a3d4be569a55fca6fa2a383ef0f8780f4788639b8e8a4c1a2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling lender v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "380cf15e831681a3d4be569a55fca6fa2a383ef0f8780f4788639b8e8a4c1a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "380cf15e831681a3d4be569a55fca6fa2a383ef0f8780f4788639b8e8a4c1a2c", kill_on_drop: false }`
[INFO] [stdout] 380cf15e831681a3d4be569a55fca6fa2a383ef0f8780f4788639b8e8a4c1a2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b4fe3dcf0130fba9c8b68cd960f300f8a318fd8771b152deb1ad92b838766a7a
[INFO] running `Command { std: "docker" "start" "-a" "b4fe3dcf0130fba9c8b68cd960f300f8a318fd8771b152deb1ad92b838766a7a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lender-34f9202566c78a0d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-f98f89ca7f86a59a)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test lines_str ... ok
[INFO] [stderr]    Doc-tests lender
[INFO] [stdout] test simple_lender ... ok
[INFO] [stdout] test windows_mut ... ok
[INFO] [stdout] test from_lender ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 46 tests
[INFO] [stdout] test src/adapters/iter.rs - adapters::iter::Iter (line 10) ... ignored
[INFO] [stdout] test src/lib.rs - (line 182) ... ignored
[INFO] [stdout] test src/lib.rs - _Lender_Doctest_Sanity_Check (line 257) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - (line 210) ... ok
[INFO] [stdout] test src/lib.rs - (line 107) ... ok
[INFO] [stdout] test src/sources/once_with.rs - sources::once_with::once_with (line 6) ... ok
[INFO] [stdout] test src/sources/from_iter.rs - sources::from_iter::lend_iter (line 78) ... ok
[INFO] [stdout] test src/sources/from_iter.rs - sources::from_iter::from_iter (line 15) ... ok
[INFO] [stdout] test src/sources/repeat_with.rs - sources::repeat_with::repeat_with (line 10) ... ok
[INFO] [stdout] test src/lib.rs - (line 52) ... ok
[INFO] [stdout] test src/sources/from_fn.rs - sources::from_fn::from_fn (line 7) ... ok
[INFO] [stdout] test src/sources/empty.rs - sources::empty::empty (line 10) ... ok
[INFO] [stdout] test src/sources/repeat.rs - sources::repeat::repeat (line 7) ... ok
[INFO] [stdout] test src/sources/once.rs - sources::once::once (line 10) ... ok
[INFO] [stdout] test src/traits/accum.rs - traits::accum::SumLender (line 7) ... ok
[INFO] [stdout] test src/lib.rs - (line 121) ... ok
[INFO] [stdout] test src/lib.rs - (line 154) ... ok
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] test src/lib.rs - (line 64) ... ok
[INFO] [stdout] test src/traits/lender.rs - traits::lender::Lender::advance_by (line 132) ... ok
[INFO] [stdout] test src/traits/lender.rs - traits::lender::Lender::map (line 283) ... ok
[INFO] [stdout] test src/traits/lender.rs - traits::lender::Lender::count (line 90) ... ok
[INFO] [stdout] test src/traits/collect.rs - traits::collect::FromLender (line 3) ... ok
[INFO] [stdout] test src/traits/lender.rs - traits::lender::Lender::chunky (line 1190) ... ok
[INFO] [stdout] test src/traits/lender.rs - traits::lender::Lender::next (line 47) ... ok
[INFO] [stdout] test src/traits/lender.rs - traits::lender::Lender::intersperse (line 239) ... ok
[INFO] [stdout] test src/traits/lender.rs - traits::lender::Lender::filter_map (line 376) ... ok
[INFO] [stdout] test src/traits/lender.rs - traits::lender::Lender::chain (line 196) ... ok
[INFO] [stdout] test src/traits/lender.rs - traits::lender::Lender::intersperse_with (line 260) ... ok
[INFO] [stdout] test src/traits/lender.rs - traits::lender::Lender::last (line 106) ... ok
[INFO] [stdout] test src/traits/lender.rs - traits::lender::Lender::enumerate (line 402) ... ok
[INFO] [stdout] test src/traits/lender.rs - traits::lender::Lender::filter (line 357) ... ok
[INFO] [stdout] test src/traits/lender.rs - traits::lender::Lender::for_each (line 336) ... ok
[INFO] [stdout] test src/traits/lender.rs - traits::lender::Lender::map_into_iter (line 311) ... ok
[INFO] [stdout] test src/traits/lender.rs - traits::lender::Lender::map_while (line 483) ... ok
[INFO] [stdout] test src/traits/lender.rs - traits::lender::Lender::skip (line 509) ... ok
[INFO] [stdout] test src/traits/lender.rs - traits::lender::Lender::next_chunk (line 60) ... ok
[INFO] [stdout] test src/traits/lender.rs - traits::lender::Lender::skip_while (line 442) ... ok
[INFO] [stdout] test src/traits/lender.rs - traits::lender::Lender::take_while (line 463) ... ok
[INFO] [stdout] test src/traits/lender.rs - traits::lender::Lender::size_hint (line 79) ... ok
[INFO] [stdout] test src/traits/lender.rs - traits::lender::Lender::nth (line 154) ... ok
[INFO] [stdout] test src/traits/lender.rs - traits::lender::Lender::take (line 528) ... ok
[INFO] [stdout] test src/traits/lender.rs - traits::lender::Lender::peekable (line 421) ... ok
[INFO] [stdout] test src/traits/lender.rs - traits::lender::Lender::zip (line 219) ... ok
[INFO] [stdout] test src/traits/mod.rs - traits::lend (line 67) ... ok
[INFO] [stdout] test src/traits/lender.rs - traits::lender::Lender::step_by (line 172) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 44 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 4.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b4fe3dcf0130fba9c8b68cd960f300f8a318fd8771b152deb1ad92b838766a7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4fe3dcf0130fba9c8b68cd960f300f8a318fd8771b152deb1ad92b838766a7a", kill_on_drop: false }`
[INFO] [stdout] b4fe3dcf0130fba9c8b68cd960f300f8a318fd8771b152deb1ad92b838766a7a