[INFO] fetching crate rcu_cell 0.1.10...
[INFO] testing rcu_cell-0.1.10 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rcu_cell 0.1.10 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate rcu_cell 0.1.10 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 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-37/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] a1f63f80b19a57ca25361c138eb92ac1c506bc29b878e3e2585e58373a87630b
[INFO] running `Command { std: "docker" "start" "-a" "a1f63f80b19a57ca25361c138eb92ac1c506bc29b878e3e2585e58373a87630b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1f63f80b19a57ca25361c138eb92ac1c506bc29b878e3e2585e58373a87630b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1f63f80b19a57ca25361c138eb92ac1c506bc29b878e3e2585e58373a87630b", kill_on_drop: false }`
[INFO] [stdout] a1f63f80b19a57ca25361c138eb92ac1c506bc29b878e3e2585e58373a87630b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] a161791737513e29a126d2aea23f79f12508380b382ee74e26167187bc2be4cd
[INFO] running `Command { std: "docker" "start" "-a" "a161791737513e29a126d2aea23f79f12508380b382ee74e26167187bc2be4cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcu_cell v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "a161791737513e29a126d2aea23f79f12508380b382ee74e26167187bc2be4cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a161791737513e29a126d2aea23f79f12508380b382ee74e26167187bc2be4cd", kill_on_drop: false }`
[INFO] [stdout] a161791737513e29a126d2aea23f79f12508380b382ee74e26167187bc2be4cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] a9b0f6c6ca0af4244a6f9db7af8865309be58547be6e14836176e42bc0a945f7
[INFO] running `Command { std: "docker" "start" "-a" "a9b0f6c6ca0af4244a6f9db7af8865309be58547be6e14836176e42bc0a945f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcu_cell v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "a9b0f6c6ca0af4244a6f9db7af8865309be58547be6e14836176e42bc0a945f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9b0f6c6ca0af4244a6f9db7af8865309be58547be6e14836176e42bc0a945f7", kill_on_drop: false }`
[INFO] [stdout] a9b0f6c6ca0af4244a6f9db7af8865309be58547be6e14836176e42bc0a945f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 3395008ee93f7f96f996f852ead19691044205b00b3a44657561be429919b365
[INFO] running `Command { std: "docker" "start" "-a" "3395008ee93f7f96f996f852ead19691044205b00b3a44657561be429919b365", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rcu_cell-e544c389f316ffd0)
[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" "3395008ee93f7f96f996f852ead19691044205b00b3a44657561be429919b365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3395008ee93f7f96f996f852ead19691044205b00b3a44657561be429919b365", kill_on_drop: false }`
[INFO] [stdout] 3395008ee93f7f96f996f852ead19691044205b00b3a44657561be429919b365