[INFO] fetching crate rccell 0.1.3...
[INFO] testing rccell-0.1.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rccell 0.1.3 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate rccell 0.1.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-23/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae66918817bcafd492a30d84195db894fa53de8d5d5162a9da095472d3337920
[INFO] running `Command { std: "docker" "start" "-a" "ae66918817bcafd492a30d84195db894fa53de8d5d5162a9da095472d3337920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae66918817bcafd492a30d84195db894fa53de8d5d5162a9da095472d3337920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae66918817bcafd492a30d84195db894fa53de8d5d5162a9da095472d3337920", kill_on_drop: false }`
[INFO] [stdout] ae66918817bcafd492a30d84195db894fa53de8d5d5162a9da095472d3337920
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8d7b535ba01c6f10573dafe4168db2f0dd9307846339152daf6648939030bf4
[INFO] running `Command { std: "docker" "start" "-a" "b8d7b535ba01c6f10573dafe4168db2f0dd9307846339152daf6648939030bf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rccell v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "b8d7b535ba01c6f10573dafe4168db2f0dd9307846339152daf6648939030bf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8d7b535ba01c6f10573dafe4168db2f0dd9307846339152daf6648939030bf4", kill_on_drop: false }`
[INFO] [stdout] b8d7b535ba01c6f10573dafe4168db2f0dd9307846339152daf6648939030bf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76133541034ed309dea4546ba8e6af344db42ac620b0ca8d8a5f7ad908efdaa5
[INFO] running `Command { std: "docker" "start" "-a" "76133541034ed309dea4546ba8e6af344db42ac620b0ca8d8a5f7ad908efdaa5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rccell v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "76133541034ed309dea4546ba8e6af344db42ac620b0ca8d8a5f7ad908efdaa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76133541034ed309dea4546ba8e6af344db42ac620b0ca8d8a5f7ad908efdaa5", kill_on_drop: false }`
[INFO] [stdout] 76133541034ed309dea4546ba8e6af344db42ac620b0ca8d8a5f7ad908efdaa5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0af450d60cc246523bf001fb2e3c351e57e1452e078acff77473219c5301d39b
[INFO] running `Command { std: "docker" "start" "-a" "0af450d60cc246523bf001fb2e3c351e57e1452e078acff77473219c5301d39b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rccell-95b1266b931d0a90)
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::test_borrow ... ok
[INFO] [stdout] test tests::test_hashmap ... ok
[INFO] [stdout] test tests::test_try_borrows ... ok
[INFO] [stdout] test tests::test_unwrap_ok ... ok
[INFO] [stdout] test tests::test_try_unwrap ... ok
[INFO] [stdout] test tests::test_borrow_mut_panic - should panic ... ok
[INFO] [stdout] test tests::test_mut_borrow_mut_panic - should panic ... ok
[INFO] [stdout] test tests::test_mut_borrow_panic - should panic ... ok
[INFO] [stderr]    Doc-tests rccell
[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 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/lib.rs - RcCell<T>::new (line 47) ... ok
[INFO] [stdout] test src/lib.rs - RcCell<T>::downgrade (line 97) ... ok
[INFO] [stdout] test src/lib.rs - WeakCell<T>::upgrade (line 240) ... ok
[INFO] [stdout] test src/lib.rs - RcCell<T>::weak_count (line 110) ... ok
[INFO] [stdout] test src/lib.rs - RcCell<T>::borrow (line 190) ... 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_mut (line 204) ... ok
[INFO] [stdout] test src/lib.rs - RcCell<T>::try_borrow_mut (line 174) ... ok
[INFO] [stdout] test src/lib.rs - WeakCell<T>::new (line 226) ... ok
[INFO] [stdout] test src/lib.rs - RcCell<T>::ptr_eq (line 140) ... ok
[INFO] [stdout] test src/lib.rs - RcCell<T>::strong_count (line 125) ... ok
[INFO] [stdout] test src/lib.rs - RcCell<T>::try_unwrap (line 61) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.64s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0af450d60cc246523bf001fb2e3c351e57e1452e078acff77473219c5301d39b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0af450d60cc246523bf001fb2e3c351e57e1452e078acff77473219c5301d39b", kill_on_drop: false }`
[INFO] [stdout] 0af450d60cc246523bf001fb2e3c351e57e1452e078acff77473219c5301d39b