[INFO] fetching crate rcu_cell 1.2.1...
[INFO] testing rcu_cell-1.2.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate rcu_cell 1.2.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rcu_cell 1.2.1
[INFO] finished tweaking crates.io crate rcu_cell 1.2.1
[INFO] tweaked toml for crates.io crate rcu_cell 1.2.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rcu_cell 1.2.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rcu_cell 1.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6d5acfcb44b317e40bd9e3aee3c4273de4227703f4da6fc81596cf0d16a1f74
[INFO] running `Command { std: "docker" "start" "-a" "e6d5acfcb44b317e40bd9e3aee3c4273de4227703f4da6fc81596cf0d16a1f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6d5acfcb44b317e40bd9e3aee3c4273de4227703f4da6fc81596cf0d16a1f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6d5acfcb44b317e40bd9e3aee3c4273de4227703f4da6fc81596cf0d16a1f74", kill_on_drop: false }`
[INFO] [stdout] e6d5acfcb44b317e40bd9e3aee3c4273de4227703f4da6fc81596cf0d16a1f74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97efe8d34f585d58c11f9b9ef827a5c66eb52ecd964fec7a771b947b359d4fa6
[INFO] running `Command { std: "docker" "start" "-a" "97efe8d34f585d58c11f9b9ef827a5c66eb52ecd964fec7a771b947b359d4fa6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcu_cell v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "97efe8d34f585d58c11f9b9ef827a5c66eb52ecd964fec7a771b947b359d4fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97efe8d34f585d58c11f9b9ef827a5c66eb52ecd964fec7a771b947b359d4fa6", kill_on_drop: false }`
[INFO] [stdout] 97efe8d34f585d58c11f9b9ef827a5c66eb52ecd964fec7a771b947b359d4fa6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ef788ec7450d195819b3ade93f8930c2b724c010322fad04b9885418c8962e4
[INFO] running `Command { std: "docker" "start" "-a" "2ef788ec7450d195819b3ade93f8930c2b724c010322fad04b9885418c8962e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling arc-swap v1.7.1
[INFO] [stderr]    Compiling spin v0.10.0
[INFO] [stderr]    Compiling rcu_cell v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "2ef788ec7450d195819b3ade93f8930c2b724c010322fad04b9885418c8962e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ef788ec7450d195819b3ade93f8930c2b724c010322fad04b9885418c8962e4", kill_on_drop: false }`
[INFO] [stdout] 2ef788ec7450d195819b3ade93f8930c2b724c010322fad04b9885418c8962e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fac4dea5afe5538401678d9d55434842ad960adb4719f4ec616746b1b174918e
[INFO] running `Command { std: "docker" "start" "-a" "fac4dea5afe5538401678d9d55434842ad960adb4719f4ec616746b1b174918e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rcu_cell-12a206ef55abf0a3)
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test::single_thread ... ok
[INFO] [stdout] test test::single_thread_clone ... ok
[INFO] [stdout] test test::test_arc_eq ... ok
[INFO] [stdout] test test::test_clone_rcu_cell ... ok
[INFO] [stdout] test test::test_default ... ok
[INFO] [stdout] test test::test_is_none ... ok
[INFO] [stdout] test test::test_rcu_take ... ok
[INFO] [stdout] test test::test_rcu_update ... ok
[INFO] [stdout] test test::cas_test ... ok
[INFO] [stdout] test test::test_rcu_reader ... ok
[INFO] [stdout] test test::simple_drop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rcu_cell
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] test src/rcu_cell.rs - rcu_cell::RcuCell<T>::compare_exchange (line 159) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fac4dea5afe5538401678d9d55434842ad960adb4719f4ec616746b1b174918e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fac4dea5afe5538401678d9d55434842ad960adb4719f4ec616746b1b174918e", kill_on_drop: false }`
[INFO] [stdout] fac4dea5afe5538401678d9d55434842ad960adb4719f4ec616746b1b174918e