[INFO] fetching crate ro_cell 0.1.0...
[INFO] testing ro_cell-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate ro_cell 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate ro_cell 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ro_cell 0.1.0
[INFO] finished tweaking crates.io crate ro_cell 0.1.0
[INFO] tweaked toml for crates.io crate ro_cell 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] e1bb8220351a7f4b07a2ff6cee453bae544fe5f72b4f1cf8cb6c6c7d40502d0a
[INFO] running `Command { std: "docker" "start" "-a" "e1bb8220351a7f4b07a2ff6cee453bae544fe5f72b4f1cf8cb6c6c7d40502d0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1bb8220351a7f4b07a2ff6cee453bae544fe5f72b4f1cf8cb6c6c7d40502d0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1bb8220351a7f4b07a2ff6cee453bae544fe5f72b4f1cf8cb6c6c7d40502d0a", kill_on_drop: false }`
[INFO] [stdout] e1bb8220351a7f4b07a2ff6cee453bae544fe5f72b4f1cf8cb6c6c7d40502d0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--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] 05ea3430d52da292664218d94bf42277e01107d3d437def95023412ef2b78d18
[INFO] running `Command { std: "docker" "start" "-a" "05ea3430d52da292664218d94bf42277e01107d3d437def95023412ef2b78d18", kill_on_drop: false }`
[INFO] [stderr]    Compiling ro_cell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "05ea3430d52da292664218d94bf42277e01107d3d437def95023412ef2b78d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05ea3430d52da292664218d94bf42277e01107d3d437def95023412ef2b78d18", kill_on_drop: false }`
[INFO] [stdout] 05ea3430d52da292664218d94bf42277e01107d3d437def95023412ef2b78d18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9827b2e345448c24ecdfc470706b9931bd3919cded3354713a6894267ccfbee5
[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" "9827b2e345448c24ecdfc470706b9931bd3919cded3354713a6894267ccfbee5", kill_on_drop: false }`
[INFO] [stderr]    Compiling ro_cell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "9827b2e345448c24ecdfc470706b9931bd3919cded3354713a6894267ccfbee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9827b2e345448c24ecdfc470706b9931bd3919cded3354713a6894267ccfbee5", kill_on_drop: false }`
[INFO] [stdout] 9827b2e345448c24ecdfc470706b9931bd3919cded3354713a6894267ccfbee5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", 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] 9fc7026ee4248c0fa53fd8bee7c16a1a3082ba103641d52f3e703e8784d6446e
[INFO] running `Command { std: "docker" "start" "-a" "9fc7026ee4248c0fa53fd8bee7c16a1a3082ba103641d52f3e703e8784d6446e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ro_cell-7f467078f2aff2ad)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ro_cell
[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] [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" "9fc7026ee4248c0fa53fd8bee7c16a1a3082ba103641d52f3e703e8784d6446e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fc7026ee4248c0fa53fd8bee7c16a1a3082ba103641d52f3e703e8784d6446e", kill_on_drop: false }`
[INFO] [stdout] 9fc7026ee4248c0fa53fd8bee7c16a1a3082ba103641d52f3e703e8784d6446e