[INFO] fetching crate rccell 0.1.3...
[INFO] testing rccell-0.1.3 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate rccell 0.1.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rccell 0.1.3 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 rccell 0.1.3
[INFO] finished tweaking crates.io crate rccell 0.1.3
[INFO] tweaked toml for crates.io crate rccell 0.1.3 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 1065a242cfcf984ce668645269548767bbc62740c13ba77f7155a5fb923ec34a
[INFO] running `Command { std: "docker" "start" "-a" "1065a242cfcf984ce668645269548767bbc62740c13ba77f7155a5fb923ec34a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1065a242cfcf984ce668645269548767bbc62740c13ba77f7155a5fb923ec34a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1065a242cfcf984ce668645269548767bbc62740c13ba77f7155a5fb923ec34a", kill_on_drop: false }`
[INFO] [stdout] 1065a242cfcf984ce668645269548767bbc62740c13ba77f7155a5fb923ec34a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 75ea45b013e36b0077bf372ad20e60e45e342baef0b1d2c38357c6f2f8f72fd4
[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" "75ea45b013e36b0077bf372ad20e60e45e342baef0b1d2c38357c6f2f8f72fd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rccell v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "75ea45b013e36b0077bf372ad20e60e45e342baef0b1d2c38357c6f2f8f72fd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75ea45b013e36b0077bf372ad20e60e45e342baef0b1d2c38357c6f2f8f72fd4", kill_on_drop: false }`
[INFO] [stdout] 75ea45b013e36b0077bf372ad20e60e45e342baef0b1d2c38357c6f2f8f72fd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0bd92500fa192a87c0a87c34654e4d51946e4071a8724aa849007f63e323adea
[INFO] running `Command { std: "docker" "start" "-a" "0bd92500fa192a87c0a87c34654e4d51946e4071a8724aa849007f63e323adea", kill_on_drop: false }`
[INFO] [stderr]    Compiling rccell v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "0bd92500fa192a87c0a87c34654e4d51946e4071a8724aa849007f63e323adea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bd92500fa192a87c0a87c34654e4d51946e4071a8724aa849007f63e323adea", kill_on_drop: false }`
[INFO] [stdout] 0bd92500fa192a87c0a87c34654e4d51946e4071a8724aa849007f63e323adea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 095338196de0e27e1c5229cc9dd21da634f265094608708befaa511fad8c7666
[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" "095338196de0e27e1c5229cc9dd21da634f265094608708befaa511fad8c7666", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 9 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rccell-e2cc6f0fc6fec470)
[INFO] [stdout] test tests::test_borrow ... ok
[INFO] [stdout] test tests::test_try_borrows ... ok
[INFO] [stdout] test tests::test_hashmap ... ok
[INFO] [stdout] test tests::test_try_unwrap ... ok
[INFO] [stdout] test tests::test_unwrap_ok ... ok
[INFO] [stderr]    Doc-tests rccell
[INFO] [stdout] test tests::test_borrow_mut_panic - should panic ... ok
[INFO] [stdout] test tests::test_mut_borrow_panic - should panic ... ok
[INFO] [stdout] test tests::test_mut_borrow_mut_panic - should panic ... ok
[INFO] [stdout] test tests::test_unwrap_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/lib.rs - RcCell<T>::borrow_mut (line 204) ... ok
[INFO] [stdout] test src/lib.rs - RcCell<T>::new (line 47) ... ok
[INFO] [stdout] test src/lib.rs - WeakCell<T>::upgrade (line 240) ... ok
[INFO] [stdout] test src/lib.rs - RcCell<T>::strong_count (line 125) ... ok
[INFO] [stdout] test src/lib.rs - WeakCell<T>::new (line 226) ... ok
[INFO] [stdout] test src/lib.rs - RcCell<T>::downgrade (line 97) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/lib.rs - RcCell<T>::try_borrow_mut (line 174) ... ok
[INFO] [stdout] test src/lib.rs - RcCell<T>::try_borrow (line 158) ... ok
[INFO] [stdout] test src/lib.rs - RcCell<T>::unwrap (line 80) ... ok
[INFO] [stdout] test src/lib.rs - RcCell<T>::borrow (line 190) ... ok
[INFO] [stdout] test src/lib.rs - RcCell<T>::try_unwrap (line 61) ... ok
[INFO] [stdout] test src/lib.rs - RcCell<T>::weak_count (line 110) ... ok
[INFO] [stdout] test src/lib.rs - RcCell<T>::ptr_eq (line 140) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "095338196de0e27e1c5229cc9dd21da634f265094608708befaa511fad8c7666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "095338196de0e27e1c5229cc9dd21da634f265094608708befaa511fad8c7666", kill_on_drop: false }`
[INFO] [stdout] 095338196de0e27e1c5229cc9dd21da634f265094608708befaa511fad8c7666