[INFO] fetching crate rccell 0.1.3...
[INFO] testing rccell-0.1.3 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate rccell 0.1.3 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate rccell 0.1.3 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93b06c2ffabb1119a94d348eb7425a201a40f2aa007bd546f3f53db676641e2c
[INFO] running `Command { std: "docker" "start" "-a" "93b06c2ffabb1119a94d348eb7425a201a40f2aa007bd546f3f53db676641e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93b06c2ffabb1119a94d348eb7425a201a40f2aa007bd546f3f53db676641e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93b06c2ffabb1119a94d348eb7425a201a40f2aa007bd546f3f53db676641e2c", kill_on_drop: false }`
[INFO] [stdout] 93b06c2ffabb1119a94d348eb7425a201a40f2aa007bd546f3f53db676641e2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ca69ceff85739d4eb351f41643a3cb17759c1e889854e729b2589b664cd5724
[INFO] running `Command { std: "docker" "start" "-a" "7ca69ceff85739d4eb351f41643a3cb17759c1e889854e729b2589b664cd5724", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rccell v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "7ca69ceff85739d4eb351f41643a3cb17759c1e889854e729b2589b664cd5724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ca69ceff85739d4eb351f41643a3cb17759c1e889854e729b2589b664cd5724", kill_on_drop: false }`
[INFO] [stdout] 7ca69ceff85739d4eb351f41643a3cb17759c1e889854e729b2589b664cd5724
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e745db2dd3451878d174a16e56027edfc95aa10fa5e77d11d1159dfbb997c79
[INFO] running `Command { std: "docker" "start" "-a" "1e745db2dd3451878d174a16e56027edfc95aa10fa5e77d11d1159dfbb997c79", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rccell v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "1e745db2dd3451878d174a16e56027edfc95aa10fa5e77d11d1159dfbb997c79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e745db2dd3451878d174a16e56027edfc95aa10fa5e77d11d1159dfbb997c79", kill_on_drop: false }`
[INFO] [stdout] 1e745db2dd3451878d174a16e56027edfc95aa10fa5e77d11d1159dfbb997c79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d660a4da0c41dfdacc18093cc0dfb043fe7bde9ad6b4dfad006e200eebc54b26
[INFO] running `Command { std: "docker" "start" "-a" "d660a4da0c41dfdacc18093cc0dfb043fe7bde9ad6b4dfad006e200eebc54b26", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rccell-4c51b104d3cdacf9)
[INFO] [stdout] 
[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_unwrap ... ok
[INFO] [stdout] test tests::test_try_borrows ... ok
[INFO] [stdout] test tests::test_borrow_mut_panic - should panic ... ok
[INFO] [stdout] test tests::test_unwrap_ok ... 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 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rccell
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/lib.rs - RcCell<T>::try_borrow (line 158) ... ok
[INFO] [stdout] test src/lib.rs - RcCell<T>::downgrade (line 97) ... ok
[INFO] [stdout] test src/lib.rs - RcCell<T>::ptr_eq (line 140) ... ok
[INFO] [stdout] test src/lib.rs - RcCell<T>::new (line 47) ... ok
[INFO] [stdout] test src/lib.rs - RcCell<T>::weak_count (line 110) ... ok
[INFO] [stdout] test src/lib.rs - RcCell<T>::try_borrow_mut (line 174) ... ok
[INFO] [stdout] test src/lib.rs - WeakCell<T>::upgrade (line 240) ... ok
[INFO] [stdout] test src/lib.rs - WeakCell<T>::new (line 226) ... ok
[INFO] [stdout] test src/lib.rs - RcCell<T>::try_unwrap (line 61) ... ok
[INFO] [stdout] test src/lib.rs - RcCell<T>::strong_count (line 125) ... ok
[INFO] [stdout] test src/lib.rs - RcCell<T>::borrow_mut (line 204) ... ok
[INFO] [stdout] test src/lib.rs - RcCell<T>::borrow (line 190) ... ok
[INFO] [stdout] test src/lib.rs - RcCell<T>::unwrap (line 80) ... 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 1.85s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d660a4da0c41dfdacc18093cc0dfb043fe7bde9ad6b4dfad006e200eebc54b26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d660a4da0c41dfdacc18093cc0dfb043fe7bde9ad6b4dfad006e200eebc54b26", kill_on_drop: false }`
[INFO] [stdout] d660a4da0c41dfdacc18093cc0dfb043fe7bde9ad6b4dfad006e200eebc54b26