[INFO] fetching crate rc_arena 0.1.0...
[INFO] testing rc_arena-0.1.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate rc_arena 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rc_arena 0.1.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rc_arena 0.1.0
[INFO] finished tweaking crates.io crate rc_arena 0.1.0
[INFO] tweaked toml for crates.io crate rc_arena 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5bea6195d02d58929dc9bf5f9a1b614fb576acaa6422385e258579d5b48f3b5
[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" "f5bea6195d02d58929dc9bf5f9a1b614fb576acaa6422385e258579d5b48f3b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5bea6195d02d58929dc9bf5f9a1b614fb576acaa6422385e258579d5b48f3b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5bea6195d02d58929dc9bf5f9a1b614fb576acaa6422385e258579d5b48f3b5", kill_on_drop: false }`
[INFO] [stdout] f5bea6195d02d58929dc9bf5f9a1b614fb576acaa6422385e258579d5b48f3b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] 51430d2561f99c1fde267ca31ab09ff168f7ca4f9074aabc31f4fd603c5ae505
[INFO] running `Command { std: "docker" "start" "-a" "51430d2561f99c1fde267ca31ab09ff168f7ca4f9074aabc31f4fd603c5ae505", kill_on_drop: false }`
[INFO] [stderr]    Compiling rc_arena v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "51430d2561f99c1fde267ca31ab09ff168f7ca4f9074aabc31f4fd603c5ae505", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51430d2561f99c1fde267ca31ab09ff168f7ca4f9074aabc31f4fd603c5ae505", kill_on_drop: false }`
[INFO] [stdout] 51430d2561f99c1fde267ca31ab09ff168f7ca4f9074aabc31f4fd603c5ae505
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] 2aa06373c773da609c43a9456b3ebc4be8d5adbf0ddf3f79c71db32d75f20aa5
[INFO] running `Command { std: "docker" "start" "-a" "2aa06373c773da609c43a9456b3ebc4be8d5adbf0ddf3f79c71db32d75f20aa5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rc_arena v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "2aa06373c773da609c43a9456b3ebc4be8d5adbf0ddf3f79c71db32d75f20aa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aa06373c773da609c43a9456b3ebc4be8d5adbf0ddf3f79c71db32d75f20aa5", kill_on_drop: false }`
[INFO] [stdout] 2aa06373c773da609c43a9456b3ebc4be8d5adbf0ddf3f79c71db32d75f20aa5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] 909eae1bc0864b95aef34f7cefaf380f1074d547d9c474c5e24908b2b2d3c731
[INFO] running `Command { std: "docker" "start" "-a" "909eae1bc0864b95aef34f7cefaf380f1074d547d9c474c5e24908b2b2d3c731", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rc_arena-71491a518e28fae1)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test basic_usecase ... ok
[INFO] [stdout] test iterates ... ok
[INFO] [stdout] test formatting ... ok
[INFO] [stdout] test drops_at_once ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rc_arena
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::alloc (line 100) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::each (line 151) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.61s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "909eae1bc0864b95aef34f7cefaf380f1074d547d9c474c5e24908b2b2d3c731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "909eae1bc0864b95aef34f7cefaf380f1074d547d9c474c5e24908b2b2d3c731", kill_on_drop: false }`
[INFO] [stdout] 909eae1bc0864b95aef34f7cefaf380f1074d547d9c474c5e24908b2b2d3c731