[INFO] fetching crate rcu_cell 0.1.8...
[INFO] testing rcu_cell-0.1.8 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rcu_cell 0.1.8 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rcu_cell 0.1.8 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rcu_cell 0.1.8
[INFO] finished tweaking crates.io crate rcu_cell 0.1.8
[INFO] tweaked toml for crates.io crate rcu_cell 0.1.8 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b89aac024d36f0bd8997ee3fae0ac311527224583d5223bb261ee2e4b3f8b121
[INFO] running `Command { std: "docker" "start" "-a" "b89aac024d36f0bd8997ee3fae0ac311527224583d5223bb261ee2e4b3f8b121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b89aac024d36f0bd8997ee3fae0ac311527224583d5223bb261ee2e4b3f8b121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b89aac024d36f0bd8997ee3fae0ac311527224583d5223bb261ee2e4b3f8b121", kill_on_drop: false }`
[INFO] [stdout] b89aac024d36f0bd8997ee3fae0ac311527224583d5223bb261ee2e4b3f8b121
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 371bbc6434af849784fbd585a2f5c869a816c087c62ebc158ce52b9c8574c471
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "371bbc6434af849784fbd585a2f5c869a816c087c62ebc158ce52b9c8574c471", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcu_cell v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "371bbc6434af849784fbd585a2f5c869a816c087c62ebc158ce52b9c8574c471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "371bbc6434af849784fbd585a2f5c869a816c087c62ebc158ce52b9c8574c471", kill_on_drop: false }`
[INFO] [stdout] 371bbc6434af849784fbd585a2f5c869a816c087c62ebc158ce52b9c8574c471
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2a1420677fb5094e227040a2551dbffd136c1bafcb841858341ff0e3e533fcb9
[INFO] running `Command { std: "docker" "start" "-a" "2a1420677fb5094e227040a2551dbffd136c1bafcb841858341ff0e3e533fcb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcu_cell v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "2a1420677fb5094e227040a2551dbffd136c1bafcb841858341ff0e3e533fcb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a1420677fb5094e227040a2551dbffd136c1bafcb841858341ff0e3e533fcb9", kill_on_drop: false }`
[INFO] [stdout] 2a1420677fb5094e227040a2551dbffd136c1bafcb841858341ff0e3e533fcb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fe5a36265ae47195e09bce44118e15efee54acd27d867566f95e390545fe4b13
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fe5a36265ae47195e09bce44118e15efee54acd27d867566f95e390545fe4b13", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rcu_cell-c7ffce6b85b69122
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rcu_cell
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test::single_thread ... ok
[INFO] [stdout] test test::simple_drop ... ok
[INFO] [stdout] test test::test_default ... ok
[INFO] [stdout] test test::single_thread_clone ... 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] test test::test_is_locked ... ok
[INFO] [stdout] test test::test_clone_rcu_cell ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fe5a36265ae47195e09bce44118e15efee54acd27d867566f95e390545fe4b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe5a36265ae47195e09bce44118e15efee54acd27d867566f95e390545fe4b13", kill_on_drop: false }`
[INFO] [stdout] fe5a36265ae47195e09bce44118e15efee54acd27d867566f95e390545fe4b13