[INFO] fetching crate yoke 0.3.1...
[INFO] testing yoke-0.3.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate yoke 0.3.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate yoke 0.3.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 27495759be29576df15e3ae6560f65e6770f7d3268b0a534357f55234c0f48d0
[INFO] running `Command { std: "docker" "start" "-a" "27495759be29576df15e3ae6560f65e6770f7d3268b0a534357f55234c0f48d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27495759be29576df15e3ae6560f65e6770f7d3268b0a534357f55234c0f48d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27495759be29576df15e3ae6560f65e6770f7d3268b0a534357f55234c0f48d0", kill_on_drop: false }`
[INFO] [stdout] 27495759be29576df15e3ae6560f65e6770f7d3268b0a534357f55234c0f48d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c545f3953f2d3f45d8ab8e1c8196e47e489ae330c45aa7a284efafc721c899e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2c545f3953f2d3f45d8ab8e1c8196e47e489ae330c45aa7a284efafc721c899e", 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 7.40s
[INFO] running `Command { std: "docker" "inspect" "2c545f3953f2d3f45d8ab8e1c8196e47e489ae330c45aa7a284efafc721c899e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c545f3953f2d3f45d8ab8e1c8196e47e489ae330c45aa7a284efafc721c899e", kill_on_drop: false }`
[INFO] [stdout] 2c545f3953f2d3f45d8ab8e1c8196e47e489ae330c45aa7a284efafc721c899e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06a2c4a5213555f6e5e3caa1ce5d07c6319b9ac3065bccb51fd982df47869421
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "06a2c4a5213555f6e5e3caa1ce5d07c6319b9ac3065bccb51fd982df47869421", kill_on_drop: false }`
[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 9.26s
[INFO] running `Command { std: "docker" "inspect" "06a2c4a5213555f6e5e3caa1ce5d07c6319b9ac3065bccb51fd982df47869421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06a2c4a5213555f6e5e3caa1ce5d07c6319b9ac3065bccb51fd982df47869421", kill_on_drop: false }`
[INFO] [stdout] 06a2c4a5213555f6e5e3caa1ce5d07c6319b9ac3065bccb51fd982df47869421
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2c527db1aead1713abe3c388c9cc6968aa899333697b00c2d8950ab330b9ea7f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2c527db1aead1713abe3c388c9cc6968aa899333697b00c2d8950ab330b9ea7f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yoke-489fdb6d1e9ec11b)
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests yoke
[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 0.01s
[INFO] [stdout] 
[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/is_covariant.rs - is_covariant::IsCovariant (line 35) ... ok
[INFO] [stdout] test src/trait_hack.rs - trait_hack::YokeTraitHack (line 269) ... 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/yoke.rs - yoke::Yoke<Y,C>::get (line 188) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::_ (line 799) - 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::Yoke<Y,C>::attach_to_cart_badly (line 113) ... 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 (line 39) ... 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::transform_mut (line 163) - compile fail ... 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,Option<C>>::new_owned (line 407) ... ok
[INFO] [stdout] test src/yoke.rs - yoke::Yoke<Y,C>::with_mut (line 283) ... ok
[INFO] [stdout] test src/is_covariant.rs - is_covariant::IsCovariant (line 46) ... ok
[INFO] [stdout] test src/yokeable.rs - yokeable::Yokeable (line 46) ... ok
[INFO] [stdout] test src/zero_copy_from.rs - zero_copy_from::ZeroCopyFrom (line 31) ... 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/yokeable.rs - yokeable::Yokeable::transform_mut (line 213) ... 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/zero_copy_from.rs - zero_copy_from::Yoke<Y,Rc<C>>::attach_to_rc_cart (line 156) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 5.89s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2c527db1aead1713abe3c388c9cc6968aa899333697b00c2d8950ab330b9ea7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c527db1aead1713abe3c388c9cc6968aa899333697b00c2d8950ab330b9ea7f", kill_on_drop: false }`
[INFO] [stdout] 2c527db1aead1713abe3c388c9cc6968aa899333697b00c2d8950ab330b9ea7f