[INFO] fetching crate yoke 0.3.1...
[INFO] testing yoke-0.3.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate yoke 0.3.1 into /workspace/builds/worker-47/source
[INFO] validating manifest of crates.io crate yoke 0.3.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yoke 0.3.1
[INFO] finished tweaking crates.io crate yoke 0.3.1
[INFO] tweaked toml for crates.io crate yoke 0.3.1 written to /workspace/builds/worker-47/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d79998e8a90c0ef671c315e4bd54caf600671f14d51bc23a7b777e3703a29fbb
[INFO] running `Command { std: "docker" "start" "-a" "d79998e8a90c0ef671c315e4bd54caf600671f14d51bc23a7b777e3703a29fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d79998e8a90c0ef671c315e4bd54caf600671f14d51bc23a7b777e3703a29fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d79998e8a90c0ef671c315e4bd54caf600671f14d51bc23a7b777e3703a29fbb", kill_on_drop: false }`
[INFO] [stdout] d79998e8a90c0ef671c315e4bd54caf600671f14d51bc23a7b777e3703a29fbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1613fb82dfbb8746bf091ee66dd8e7f58588ced17c4cede43b44560fc9decc52
[INFO] running `Command { std: "docker" "start" "-a" "1613fb82dfbb8746bf091ee66dd8e7f58588ced17c4cede43b44560fc9decc52", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling yoke v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.48s
[INFO] running `Command { std: "docker" "inspect" "1613fb82dfbb8746bf091ee66dd8e7f58588ced17c4cede43b44560fc9decc52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1613fb82dfbb8746bf091ee66dd8e7f58588ced17c4cede43b44560fc9decc52", kill_on_drop: false }`
[INFO] [stdout] 1613fb82dfbb8746bf091ee66dd8e7f58588ced17c4cede43b44560fc9decc52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7043dcf4120b2798356822de7d4c012c1e201e3304fdfbaeefd663381659a00a
[INFO] running `Command { std: "docker" "start" "-a" "7043dcf4120b2798356822de7d4c012c1e201e3304fdfbaeefd663381659a00a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling yoke v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 41.28s
[INFO] running `Command { std: "docker" "inspect" "7043dcf4120b2798356822de7d4c012c1e201e3304fdfbaeefd663381659a00a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7043dcf4120b2798356822de7d4c012c1e201e3304fdfbaeefd663381659a00a", kill_on_drop: false }`
[INFO] [stdout] 7043dcf4120b2798356822de7d4c012c1e201e3304fdfbaeefd663381659a00a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b43eed6aefeb0fc11a6a235f8873015d5217f3ba22c127b7afa13444972fbe30
[INFO] running `Command { std: "docker" "start" "-a" "b43eed6aefeb0fc11a6a235f8873015d5217f3ba22c127b7afa13444972fbe30", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yoke-489fdb6d1e9ec11b)
[INFO] [stdout] 
[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] [stderr]    Doc-tests yoke
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,C>::project (line 561) ... ignored
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,C>::project (line 576) ... ignored
[INFO] [stdout] test src/yoke.rs - yoke::_ (line 773) - compile fail ... ok
[INFO] [stdout] test src/yoke.rs - yoke::_ (line 786) - 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 799) - compile fail ... ok
[INFO] [stdout] test src/yokeable.rs - yokeable::Yokeable::transform_mut (line 163) - compile fail ... ok
[INFO] [stdout] test src/trait_hack.rs - trait_hack (line 31) - compile fail ... ok
[INFO] [stdout] test src/trait_hack.rs - trait_hack (line 128) ... 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/zero_copy_from.rs - zero_copy_from::ZeroCopyFrom (line 31) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,C>::into_backing_cart (line 230) ... ok
[INFO] [stdout] test src/yokeable.rs - yokeable::Yokeable (line 46) ... ok
[INFO] [stdout] test src/zero_copy_from.rs - zero_copy_from::Yoke<Y,&'bC>::attach_to_borrowed_cart (line 98) ... ok
[INFO] [stdout] test src/is_covariant.rs - is_covariant::IsCovariant (line 46) ... ok
[INFO] [stdout] test src/is_covariant.rs - is_covariant::IsCovariant (line 35) ... ok
[INFO] [stdout] test src/yokeable.rs - yokeable::Yokeable::transform_mut (line 213) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,Option<C>>::new_owned (line 407) ... ok
[INFO] [stdout] test src/zero_copy_from.rs - zero_copy_from::Yoke<Y,Rc<C>>::attach_to_rc_cart (line 156) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,C>::attach_to_cart_badly (line 113) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke (line 39) ... ok
[INFO] [stdout] test src/zero_copy_from.rs - zero_copy_from::Yoke<Y,Box<C>>::attach_to_box_cart (line 126) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,C>::into_backing_cart (line 247) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,()>::new_always_owned (line 377) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,C>::try_attach_to_cart_badly (line 153) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,C>::get (line 188) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,C>::with_mut (line 283) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b43eed6aefeb0fc11a6a235f8873015d5217f3ba22c127b7afa13444972fbe30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b43eed6aefeb0fc11a6a235f8873015d5217f3ba22c127b7afa13444972fbe30", kill_on_drop: false }`
[INFO] [stdout] b43eed6aefeb0fc11a6a235f8873015d5217f3ba22c127b7afa13444972fbe30