[INFO] fetching crate yoke 0.4.0...
[INFO] testing yoke-0.4.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate yoke 0.4.0 into /workspace/builds/worker-81/source
[INFO] validating manifest of crates.io crate yoke 0.4.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yoke 0.4.0
[INFO] finished tweaking crates.io crate yoke 0.4.0
[INFO] tweaked toml for crates.io crate yoke 0.4.0 written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3da637c14b07942ae61d32d1db3489205abe160d157a2573584d05ba1a74f2bc
[INFO] running `Command { std: "docker" "start" "-a" "3da637c14b07942ae61d32d1db3489205abe160d157a2573584d05ba1a74f2bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3da637c14b07942ae61d32d1db3489205abe160d157a2573584d05ba1a74f2bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3da637c14b07942ae61d32d1db3489205abe160d157a2573584d05ba1a74f2bc", kill_on_drop: false }`
[INFO] [stdout] 3da637c14b07942ae61d32d1db3489205abe160d157a2573584d05ba1a74f2bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8747a5386db00858dbd0e03e59646197ad270e806c8c56a332841f28665532d0
[INFO] running `Command { std: "docker" "start" "-a" "8747a5386db00858dbd0e03e59646197ad270e806c8c56a332841f28665532d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling yoke v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.50s
[INFO] running `Command { std: "docker" "inspect" "8747a5386db00858dbd0e03e59646197ad270e806c8c56a332841f28665532d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8747a5386db00858dbd0e03e59646197ad270e806c8c56a332841f28665532d0", kill_on_drop: false }`
[INFO] [stdout] 8747a5386db00858dbd0e03e59646197ad270e806c8c56a332841f28665532d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 013eed348bfea6c9ed62a8dc815c147d489fdff9869c950e2f037c63286525a5
[INFO] running `Command { std: "docker" "start" "-a" "013eed348bfea6c9ed62a8dc815c147d489fdff9869c950e2f037c63286525a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling yoke v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.69s
[INFO] running `Command { std: "docker" "inspect" "013eed348bfea6c9ed62a8dc815c147d489fdff9869c950e2f037c63286525a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "013eed348bfea6c9ed62a8dc815c147d489fdff9869c950e2f037c63286525a5", kill_on_drop: false }`
[INFO] [stdout] 013eed348bfea6c9ed62a8dc815c147d489fdff9869c950e2f037c63286525a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e1220b36592ba20b896de2997c66d07bb91f2161e8618a60dff42da570bdca92
[INFO] running `Command { std: "docker" "start" "-a" "e1220b36592ba20b896de2997c66d07bb91f2161e8618a60dff42da570bdca92", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yoke-6107e3ae8b409c2e)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests yoke
[INFO] [stdout] running 1 test
[INFO] [stdout] test yoke::test_clone ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,C>::project (line 586) ... ignored
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,C>::project (line 601) ... ignored
[INFO] [stdout] test src/trait_hack.rs - trait_hack (line 31) - compile fail ... ok
[INFO] [stdout] test src/yokeable.rs - yokeable::Yokeable::transform_mut (line 140) - compile fail ... ok
[INFO] [stdout] test src/yoke.rs - yoke::_ (line 941) - compile fail ... ok
[INFO] [stdout] test src/yoke.rs - yoke::_ (line 915) - compile fail ... ok
[INFO] [stdout] test src/yokeable.rs - yokeable::Yokeable::transform_mut (line 163) - compile fail ... ok
[INFO] [stdout] test src/yoke.rs - yoke::_ (line 928) - compile fail ... ok
[INFO] [stdout] test src/is_covariant.rs - is_covariant::IsCovariant (line 36) ... ok
[INFO] [stdout] test src/trait_hack.rs - trait_hack (line 191) ... ok
[INFO] [stdout] test src/trait_hack.rs - trait_hack::YokeTraitHack (line 269) ... ok
[INFO] [stdout] test src/trait_hack.rs - trait_hack (line 128) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,()>::new_always_owned (line 415) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,C>::into_backing_cart (line 254) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,C>::into_backing_cart (line 237) ... ok
[INFO] [stdout] test src/either.rs - either::EitherCart (line 26) ... ok
[INFO] [stdout] test src/yokeable.rs - yokeable::Yokeable::transform_mut (line 213) ... ok
[INFO] [stdout] test src/zero_copy_from.rs - zero_copy_from::Yoke<Y,C>::attach_to_zero_copy_cart (line 89) ... ok
[INFO] [stdout] test src/zero_copy_from.rs - zero_copy_from::ZeroCopyFrom (line 30) ... ok
[INFO] [stdout] test src/is_covariant.rs - is_covariant::IsCovariant (line 47) ... ok
[INFO] [stdout] test src/yokeable.rs - yokeable::Yokeable (line 46) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,Box<C>>::erase_box_cart (line 841) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,C>::try_attach_to_cart_badly (line 159) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,Option<C>>::new_owned (line 454) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,C>::get (line 194) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,C>::attach_to_cart_badly (line 119) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke (line 45) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,C>::with_mut (line 312) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,Rc<C>>::erase_rc_cart (line 796) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.83s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e1220b36592ba20b896de2997c66d07bb91f2161e8618a60dff42da570bdca92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1220b36592ba20b896de2997c66d07bb91f2161e8618a60dff42da570bdca92", kill_on_drop: false }`
[INFO] [stdout] e1220b36592ba20b896de2997c66d07bb91f2161e8618a60dff42da570bdca92