[INFO] fetching crate chair-rb 0.1.0...
[INFO] testing chair-rb-0.1.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate chair-rb 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate chair-rb 0.1.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chair-rb 0.1.0
[INFO] finished tweaking crates.io crate chair-rb 0.1.0
[INFO] tweaked toml for crates.io crate chair-rb 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate chair-rb 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61bb3e92ee2c02d9e21b84ac386c23789f83de0807cc95410f3601e76532dd1f
[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" "61bb3e92ee2c02d9e21b84ac386c23789f83de0807cc95410f3601e76532dd1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61bb3e92ee2c02d9e21b84ac386c23789f83de0807cc95410f3601e76532dd1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61bb3e92ee2c02d9e21b84ac386c23789f83de0807cc95410f3601e76532dd1f", kill_on_drop: false }`
[INFO] [stdout] 61bb3e92ee2c02d9e21b84ac386c23789f83de0807cc95410f3601e76532dd1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bda9c80de7b455d5af7adcb505472448731d109d93bb3232f82c7baa68c88b4
[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" "1bda9c80de7b455d5af7adcb505472448731d109d93bb3232f82c7baa68c88b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling chair-rb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "1bda9c80de7b455d5af7adcb505472448731d109d93bb3232f82c7baa68c88b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bda9c80de7b455d5af7adcb505472448731d109d93bb3232f82c7baa68c88b4", kill_on_drop: false }`
[INFO] [stdout] 1bda9c80de7b455d5af7adcb505472448731d109d93bb3232f82c7baa68c88b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0d2966a690884e345f133a4d92efef89afcb96d0b85d3a08d5a8448060d35e0
[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" "d0d2966a690884e345f133a4d92efef89afcb96d0b85d3a08d5a8448060d35e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling chair-rb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "d0d2966a690884e345f133a4d92efef89afcb96d0b85d3a08d5a8448060d35e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0d2966a690884e345f133a4d92efef89afcb96d0b85d3a08d5a8448060d35e0", kill_on_drop: false }`
[INFO] [stdout] d0d2966a690884e345f133a4d92efef89afcb96d0b85d3a08d5a8448060d35e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bd23a7678561ba56c1541488cd16cc041cca931a2b1f79199adf2596bd26f038
[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" "bd23a7678561ba56c1541488cd16cc041cca931a2b1f79199adf2596bd26f038", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 35 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chair_rb-82bf99b74266308a)
[INFO] [stdout] test concurrent::ring_buffer::many_to_one_ring_buffer::tests::should_read_nothing_from_empty_buffer ... ok
[INFO] [stdout] test concurrent::ring_buffer::many_to_one_ring_buffer::tests::should_not_unblock_when_empty ... ok
[INFO] [stdout] test concurrent::ring_buffer::many_to_one_ring_buffer::tests::should_not_read_single_message_part_way_through_writing ... ok
[INFO] [stdout] test concurrent::ring_buffer::many_to_one_ring_buffer::tests::should_read_two_messages ... ok
[INFO] [stdout] test concurrent::ring_buffer::many_to_one_ring_buffer::tests::should_read_single_message ... ok
[INFO] [stdout] test concurrent::ring_buffer::many_to_one_ring_buffer::tests::should_reject_write_when_buffer_full ... ok
[INFO] [stdout] test concurrent::ring_buffer::many_to_one_ring_buffer::tests::should_unblock_gap_with_zeros ... ok
[INFO] [stdout] test concurrent::ring_buffer::many_to_one_ring_buffer::tests::should_unblock_message_with_header ... ok
[INFO] [stdout] test concurrent::ring_buffer::many_to_one_ring_buffer::tests::should_write_to_empty_buffer ... ok
[INFO] [stdout] test concurrent::ring_buffer::many_to_one_ring_buffer::tests::should_insert_padding_record_plus_message_on_buffer_wrap_with_head_equal_to_tail ... ok
[INFO] [stdout] test concurrent::ring_buffer::one_to_one_ring_buffer::tests::should_insert_padding_record_plus_message_on_buffer_wrap ... ok
[INFO] [stdout] test concurrent::ring_buffer::many_to_one_ring_buffer::tests::should_reject_write_when_insufficient_space ... ok
[INFO] [stdout] test concurrent::ring_buffer::many_to_one_ring_buffer::tests::should_insert_padding_record_plus_message_on_buffer_wrap ... ok
[INFO] [stdout] test concurrent::ring_buffer::many_to_one_ring_buffer::tests::should_limit_read_of_messages ... ok
[INFO] [stdout] test concurrent::ring_buffer::one_to_one_ring_buffer::tests::should_calculate_capacity_for_buffer ... ok
[INFO] [stdout] test concurrent::ring_buffer::one_to_one_ring_buffer::tests::should_insert_padding_record_plus_message_on_buffer_wrap_with_head_equal_to_tail ... ok
[INFO] [stdout] test concurrent::ring_buffer::many_to_one_ring_buffer::tests::should_panic_for_capacity_not_power_of_two ... ok
[INFO] [stdout] test concurrent::ring_buffer::many_to_one_ring_buffer::tests::should_panic_when_max_message_size_exceeded ... ok
[INFO] [stdout] test concurrent::ring_buffer::one_to_one_ring_buffer::tests::should_cope_with_panic_from_handler ... ok
[INFO] [stdout] test concurrent::ring_buffer::many_to_one_ring_buffer::tests::should_calculate_capacity_for_buffer ... ok
[INFO] [stdout] test concurrent::ring_buffer::many_to_one_ring_buffer::tests::should_cope_with_panic_from_handler ... ok
[INFO] [stdout] test concurrent::ring_buffer::one_to_one_ring_buffer::tests::should_limit_read_of_messages ... ok
[INFO] [stdout] test concurrent::ring_buffer::one_to_one_ring_buffer::tests::should_not_read_single_message_part_way_through_writing ... ok
[INFO] [stdout] test concurrent::ring_buffer::one_to_one_ring_buffer::tests::should_write_to_empty_buffer ... ok
[INFO] [stdout] test concurrent::ring_buffer::one_to_one_ring_buffer::tests::should_reject_write_when_buffer_full ... ok
[INFO] [stdout] test concurrent::ring_buffer::one_to_one_ring_buffer::tests::should_reject_write_when_insufficient_space ... ok
[INFO] [stdout] test concurrent::ring_buffer::one_to_one_ring_buffer::tests::should_read_nothing_from_empty_buffer ... ok
[INFO] [stdout] test concurrent::ring_buffer::one_to_one_ring_buffer::tests::should_read_two_messages ... ok
[INFO] [stdout] test concurrent::ring_buffer::one_to_one_ring_buffer::tests::should_read_single_message ... ok
[INFO] [stdout] test concurrent::ring_buffer::one_to_one_ring_buffer::tests::should_panic_for_capacity_not_power_of_two ... ok
[INFO] [stdout] test concurrent::ring_buffer::one_to_one_ring_buffer::tests::should_panic_when_max_message_size_exceeded ... ok
[INFO] [stdout] test concurrent::ring_buffer::one_to_one_ring_buffer::tests::should_provide_correlation_ids ... ok
[INFO] [stdout] test concurrent::ring_buffer::many_to_one_ring_buffer::tests::should_provide_correlation_ids ... ok
[INFO] [stdout] test concurrent::ring_buffer::one_to_one_ring_buffer::tests::should_exchange_messages ... ok
[INFO] [stderr]    Doc-tests chair-rb
[INFO] [stdout] test concurrent::ring_buffer::many_to_one_ring_buffer::tests::should_exchange_messages ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 8.02s
[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" "bd23a7678561ba56c1541488cd16cc041cca931a2b1f79199adf2596bd26f038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd23a7678561ba56c1541488cd16cc041cca931a2b1f79199adf2596bd26f038", kill_on_drop: false }`
[INFO] [stdout] bd23a7678561ba56c1541488cd16cc041cca931a2b1f79199adf2596bd26f038