[INFO] fetching crate yoke 0.5.0...
[INFO] testing yoke-0.5.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate yoke 0.5.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate yoke 0.5.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yoke 0.5.0
[INFO] finished tweaking crates.io crate yoke 0.5.0
[INFO] tweaked toml for crates.io crate yoke 0.5.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded yoke-derive v0.5.0
[INFO] [stderr]   Downloaded zerofrom v0.1.0
[INFO] [stderr]   Downloaded zerofrom-derive v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07a7d72b57d428443f572564aa4bee9b48a7d2aadbe27e0407c7689b793e6da0
[INFO] running `Command { std: "docker" "start" "-a" "07a7d72b57d428443f572564aa4bee9b48a7d2aadbe27e0407c7689b793e6da0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07a7d72b57d428443f572564aa4bee9b48a7d2aadbe27e0407c7689b793e6da0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07a7d72b57d428443f572564aa4bee9b48a7d2aadbe27e0407c7689b793e6da0", kill_on_drop: false }`
[INFO] [stdout] 07a7d72b57d428443f572564aa4bee9b48a7d2aadbe27e0407c7689b793e6da0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f5ce6f92ef98f9ea906a0e329d4f3f657d4a28062a15a377e8e82c2304276c9
[INFO] running `Command { std: "docker" "start" "-a" "1f5ce6f92ef98f9ea906a0e329d4f3f657d4a28062a15a377e8e82c2304276c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling zerofrom v0.1.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling yoke v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.94s
[INFO] running `Command { std: "docker" "inspect" "1f5ce6f92ef98f9ea906a0e329d4f3f657d4a28062a15a377e8e82c2304276c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f5ce6f92ef98f9ea906a0e329d4f3f657d4a28062a15a377e8e82c2304276c9", kill_on_drop: false }`
[INFO] [stdout] 1f5ce6f92ef98f9ea906a0e329d4f3f657d4a28062a15a377e8e82c2304276c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a7c8e8872ffc2ef10921877ee02365d3223fffebc39200039296b1b62197582
[INFO] running `Command { std: "docker" "start" "-a" "6a7c8e8872ffc2ef10921877ee02365d3223fffebc39200039296b1b62197582", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling yoke v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.23s
[INFO] running `Command { std: "docker" "inspect" "6a7c8e8872ffc2ef10921877ee02365d3223fffebc39200039296b1b62197582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a7c8e8872ffc2ef10921877ee02365d3223fffebc39200039296b1b62197582", kill_on_drop: false }`
[INFO] [stdout] 6a7c8e8872ffc2ef10921877ee02365d3223fffebc39200039296b1b62197582
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1a7fb259488d2f9539c71fa8b72155280a50923d40f62cf4c73ffe20456cf120
[INFO] running `Command { std: "docker" "start" "-a" "1a7fb259488d2f9539c71fa8b72155280a50923d40f62cf4c73ffe20456cf120", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yoke-7b18f0a0533034f6)
[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 29 tests
[INFO] [stdout] test src/yoke.rs - yoke::_ (line 974) - compile fail ... ok
[INFO] [stdout] test src/yoke.rs - yoke::_ (line 1000) - compile fail ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,C>::attach_to_cart (line 100) - compile fail ... ok
[INFO] [stdout] test src/trait_hack.rs - trait_hack (line 31) - compile fail ... ok
[INFO] [stdout] test src/yoke.rs - yoke::_ (line 987) - compile fail ... ok
[INFO] [stdout] test src/yokeable.rs - yokeable::Yokeable::transform_mut (line 147) - compile fail ... ok
[INFO] [stdout] test src/yokeable.rs - yokeable::Yokeable::transform_mut (line 170) - compile fail ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,C>::project (line 619) ... ok
[INFO] [stdout] test src/trait_hack.rs - trait_hack (line 191) ... ok
[INFO] [stdout] test src/is_covariant.rs - is_covariant::IsCovariant (line 36) ... 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,C>::project (line 631) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,C>::into_backing_cart (line 276) ... ok
[INFO] [stdout] test src/is_covariant.rs - is_covariant::IsCovariant (line 47) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,C>::get (line 233) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,C>::attach_to_cart_badly (line 158) ... ok
[INFO] [stdout] test src/either.rs - either::EitherCart (line 25) ... ok
[INFO] [stdout] test src/yokeable.rs - yokeable::Yokeable::transform_mut (line 220) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,Box<C>>::erase_box_cart (line 871) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke (line 58) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,C>::with_mut (line 351) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,C>::into_backing_cart (line 293) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,()>::new_always_owned (line 454) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,C>::try_attach_to_cart_badly (line 198) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,Rc<C>>::erase_rc_cart (line 826) ... ok
[INFO] [stdout] test src/yokeable.rs - yokeable::Yokeable (line 53) ... ok
[INFO] [stdout] test src/zero_from.rs - zero_from::Yoke<Y,C>::attach_to_zero_copy_cart (line 41) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,Option<C>>::new_owned (line 493) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1a7fb259488d2f9539c71fa8b72155280a50923d40f62cf4c73ffe20456cf120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a7fb259488d2f9539c71fa8b72155280a50923d40f62cf4c73ffe20456cf120", kill_on_drop: false }`
[INFO] [stdout] 1a7fb259488d2f9539c71fa8b72155280a50923d40f62cf4c73ffe20456cf120