[INFO] crate rb 0.3.2 is already in cache
[INFO] testing rb-0.3.2 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate rb 0.3.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rb 0.3.2 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rb 0.3.2
[INFO] finished tweaking crates.io crate rb 0.3.2
[INFO] tweaked toml for crates.io crate rb 0.3.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9527d9b2b967c17988d3577f56d179c97e57f36d171f1ced32849c357f71b86d
[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" "9527d9b2b967c17988d3577f56d179c97e57f36d171f1ced32849c357f71b86d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9527d9b2b967c17988d3577f56d179c97e57f36d171f1ced32849c357f71b86d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9527d9b2b967c17988d3577f56d179c97e57f36d171f1ced32849c357f71b86d", kill_on_drop: false }`
[INFO] [stdout] 9527d9b2b967c17988d3577f56d179c97e57f36d171f1ced32849c357f71b86d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 7212ad4e56d9baf5de30315e30dc010d4003adbf004811209f03a2a8ee562134
[INFO] running `Command { std: "docker" "start" "-a" "7212ad4e56d9baf5de30315e30dc010d4003adbf004811209f03a2a8ee562134", kill_on_drop: false }`
[INFO] [stderr]    Compiling rb v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "7212ad4e56d9baf5de30315e30dc010d4003adbf004811209f03a2a8ee562134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7212ad4e56d9baf5de30315e30dc010d4003adbf004811209f03a2a8ee562134", kill_on_drop: false }`
[INFO] [stdout] 7212ad4e56d9baf5de30315e30dc010d4003adbf004811209f03a2a8ee562134
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 09a9b3e9b589af070f491a4b1006bd67e10c19642c68b6cff0237faf7a26a8d6
[INFO] running `Command { std: "docker" "start" "-a" "09a9b3e9b589af070f491a4b1006bd67e10c19642c68b6cff0237faf7a26a8d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rb v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.36s
[INFO] running `Command { std: "docker" "inspect" "09a9b3e9b589af070f491a4b1006bd67e10c19642c68b6cff0237faf7a26a8d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09a9b3e9b589af070f491a4b1006bd67e10c19642c68b6cff0237faf7a26a8d6", kill_on_drop: false }`
[INFO] [stdout] 09a9b3e9b589af070f491a4b1006bd67e10c19642c68b6cff0237faf7a26a8d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dac5d29fe59e15cb09ceb2323be1f8eb837361b12d57e78ae9fdc1537c6ec3dc
[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" "dac5d29fe59e15cb09ceb2323be1f8eb837361b12d57e78ae9fdc1537c6ec3dc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rb-4ba8ad1a8b8c0ce6
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::get_to_empty_buffer_returns_zero ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test-b9c840e721bc2fb9
[INFO] [stdout] test tests::read_blocking_to_empty_buffer_returns_none ... ok
[INFO] [stdout] test tests::write_blocking_empty_buffer_returns_zero ... ok
[INFO] [stdout] test tests::get_with_wrapping_2 ... ok
[INFO] [stdout] test tests::read_to_empty_buffer_returns_zero ... ok
[INFO] [stdout] test tests::get_with_wrapping ... ok
[INFO] [stdout] test tests::write_empty_buffer_returns_zero ... ok
[INFO] [stdout] test tests::read_from_empty_buffer_returns_error ... ok
[INFO] [stdout] test tests::write_to_full_queue_returns_error ... ok
[INFO] [stdout] test tests::get_from_empty_buffer_returns_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_read ... ok
[INFO] [stdout] test test_read_write_wrap ... ok
[INFO] [stdout] test test_skip ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/threads-3eafc851c80d20f1
[INFO] [stdout] test test_wrap_around ... ok
[INFO] [stdout] test test_write ... ok
[INFO] [stdout] test test_read_write_wrap_blocking ... ok
[INFO] [stdout] test test_get ... ok
[INFO] [stdout] test test_clear ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_threads_blocking ... ok
[INFO] [stdout] test test_threads ... ok
[INFO] [stderr]    Doc-tests rb
[INFO] [stdout] test test_threads_count_underflow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - SpscRb (line 132) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dac5d29fe59e15cb09ceb2323be1f8eb837361b12d57e78ae9fdc1537c6ec3dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dac5d29fe59e15cb09ceb2323be1f8eb837361b12d57e78ae9fdc1537c6ec3dc", kill_on_drop: false }`
[INFO] [stdout] dac5d29fe59e15cb09ceb2323be1f8eb837361b12d57e78ae9fdc1537c6ec3dc