[INFO] fetching crate rcu_cell 0.1.10...
[INFO] testing rcu_cell-0.1.10 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate rcu_cell 0.1.10 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rcu_cell 0.1.10 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 rcu_cell 0.1.10
[INFO] finished tweaking crates.io crate rcu_cell 0.1.10
[INFO] tweaked toml for crates.io crate rcu_cell 0.1.10 written to /workspace/builds/worker-12/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 536e7058d265a2d42e287e894ace415d055d16de651cc2c663b864bac3ba741d
[INFO] running `Command { std: "docker" "start" "-a" "536e7058d265a2d42e287e894ace415d055d16de651cc2c663b864bac3ba741d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "536e7058d265a2d42e287e894ace415d055d16de651cc2c663b864bac3ba741d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "536e7058d265a2d42e287e894ace415d055d16de651cc2c663b864bac3ba741d", kill_on_drop: false }`
[INFO] [stdout] 536e7058d265a2d42e287e894ace415d055d16de651cc2c663b864bac3ba741d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 65b082d3962f9e6f18cf235689e05b51f971a245d7265d26fa93911587684fcd
[INFO] running `Command { std: "docker" "start" "-a" "65b082d3962f9e6f18cf235689e05b51f971a245d7265d26fa93911587684fcd", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcu_cell v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "65b082d3962f9e6f18cf235689e05b51f971a245d7265d26fa93911587684fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65b082d3962f9e6f18cf235689e05b51f971a245d7265d26fa93911587684fcd", kill_on_drop: false }`
[INFO] [stdout] 65b082d3962f9e6f18cf235689e05b51f971a245d7265d26fa93911587684fcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 85ecf2144a320098438de0b6fb91a006bda97d44e84fa4dceee29c6e5e23153a
[INFO] running `Command { std: "docker" "start" "-a" "85ecf2144a320098438de0b6fb91a006bda97d44e84fa4dceee29c6e5e23153a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rcu_cell v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "85ecf2144a320098438de0b6fb91a006bda97d44e84fa4dceee29c6e5e23153a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85ecf2144a320098438de0b6fb91a006bda97d44e84fa4dceee29c6e5e23153a", kill_on_drop: false }`
[INFO] [stdout] 85ecf2144a320098438de0b6fb91a006bda97d44e84fa4dceee29c6e5e23153a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 236deba9093d5523f8ed9f02de36ffe7b20a5c503a375f0dfbb19303cbf29961
[INFO] running `Command { std: "docker" "start" "-a" "236deba9093d5523f8ed9f02de36ffe7b20a5c503a375f0dfbb19303cbf29961", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rcu_cell-172929996cf5fe40)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test::simple_drop ... ok
[INFO] [stdout] test test::single_thread ... ok
[INFO] [stdout] test test::single_thread_clone ... ok
[INFO] [stdout] test test::test_default ... ok
[INFO] [stdout] test test::test_is_locked ... ok
[INFO] [stdout] test test::test_clone_rcu_cell ... ok
[INFO] [stdout] test test::test_is_none ... ok
[INFO] [stdout] test test::test_rcu_guard ... ok
[INFO] [stdout] test test::test_rcu_reader ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rcu_cell
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "236deba9093d5523f8ed9f02de36ffe7b20a5c503a375f0dfbb19303cbf29961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "236deba9093d5523f8ed9f02de36ffe7b20a5c503a375f0dfbb19303cbf29961", kill_on_drop: false }`
[INFO] [stdout] 236deba9093d5523f8ed9f02de36ffe7b20a5c503a375f0dfbb19303cbf29961