[INFO] fetching crate rcu_cell 0.1.10...
[INFO] testing rcu_cell-0.1.10 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate rcu_cell 0.1.10 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate rcu_cell 0.1.10 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-51/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cc6f7930149d8bdc889436e317662f6de43011211f50169e67184bbdfd2e9b9
[INFO] running `Command { std: "docker" "start" "-a" "2cc6f7930149d8bdc889436e317662f6de43011211f50169e67184bbdfd2e9b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cc6f7930149d8bdc889436e317662f6de43011211f50169e67184bbdfd2e9b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cc6f7930149d8bdc889436e317662f6de43011211f50169e67184bbdfd2e9b9", kill_on_drop: false }`
[INFO] [stdout] 2cc6f7930149d8bdc889436e317662f6de43011211f50169e67184bbdfd2e9b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d28a375fbbcd87acd53e1c237c2a4c161bdeaa1a432264eded3b44b8567fce6
[INFO] running `Command { std: "docker" "start" "-a" "5d28a375fbbcd87acd53e1c237c2a4c161bdeaa1a432264eded3b44b8567fce6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcu_cell v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "5d28a375fbbcd87acd53e1c237c2a4c161bdeaa1a432264eded3b44b8567fce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d28a375fbbcd87acd53e1c237c2a4c161bdeaa1a432264eded3b44b8567fce6", kill_on_drop: false }`
[INFO] [stdout] 5d28a375fbbcd87acd53e1c237c2a4c161bdeaa1a432264eded3b44b8567fce6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca836e7fc72966318627ff867864b25e53d20d0e2cbee07fe1f33a96344e57b4
[INFO] running `Command { std: "docker" "start" "-a" "ca836e7fc72966318627ff867864b25e53d20d0e2cbee07fe1f33a96344e57b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcu_cell v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "ca836e7fc72966318627ff867864b25e53d20d0e2cbee07fe1f33a96344e57b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca836e7fc72966318627ff867864b25e53d20d0e2cbee07fe1f33a96344e57b4", kill_on_drop: false }`
[INFO] [stdout] ca836e7fc72966318627ff867864b25e53d20d0e2cbee07fe1f33a96344e57b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2aba9d2a9aaae2d42220f49b7807548f677d971f85d209b41ec4c7b1ccc71aab
[INFO] running `Command { std: "docker" "start" "-a" "2aba9d2a9aaae2d42220f49b7807548f677d971f85d209b41ec4c7b1ccc71aab", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rcu_cell-b0d78ba41fddfca0)
[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_clone_rcu_cell ... ok
[INFO] [stdout] test test::test_default ... ok
[INFO] [stdout] test test::test_is_locked ... 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" "2aba9d2a9aaae2d42220f49b7807548f677d971f85d209b41ec4c7b1ccc71aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aba9d2a9aaae2d42220f49b7807548f677d971f85d209b41ec4c7b1ccc71aab", kill_on_drop: false }`
[INFO] [stdout] 2aba9d2a9aaae2d42220f49b7807548f677d971f85d209b41ec4c7b1ccc71aab