[INFO] fetching crate rtrb 0.1.2...
[INFO] testing rtrb-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rtrb 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rtrb 0.1.2 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 rtrb 0.1.2
[INFO] finished tweaking crates.io crate rtrb 0.1.2
[INFO] tweaked toml for crates.io crate rtrb 0.1.2 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/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] 6f5457a627d56e513eb4f8069607986b8f9cc107266586c33105f52851e4f5b2
[INFO] running `Command { std: "docker" "start" "-a" "6f5457a627d56e513eb4f8069607986b8f9cc107266586c33105f52851e4f5b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f5457a627d56e513eb4f8069607986b8f9cc107266586c33105f52851e4f5b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f5457a627d56e513eb4f8069607986b8f9cc107266586c33105f52851e4f5b2", kill_on_drop: false }`
[INFO] [stdout] 6f5457a627d56e513eb4f8069607986b8f9cc107266586c33105f52851e4f5b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e064b477551a3e0ca7c57934ac65c242a3a84892b596a83e5cc04cf56c698ba2
[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" "e064b477551a3e0ca7c57934ac65c242a3a84892b596a83e5cc04cf56c698ba2", kill_on_drop: false }`
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling rtrb v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "e064b477551a3e0ca7c57934ac65c242a3a84892b596a83e5cc04cf56c698ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e064b477551a3e0ca7c57934ac65c242a3a84892b596a83e5cc04cf56c698ba2", kill_on_drop: false }`
[INFO] [stdout] e064b477551a3e0ca7c57934ac65c242a3a84892b596a83e5cc04cf56c698ba2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/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] a318650d3033219ab1739f789bcb48bcfbc99013e7735c18d608c19fd713e71c
[INFO] running `Command { std: "docker" "start" "-a" "a318650d3033219ab1739f789bcb48bcfbc99013e7735c18d608c19fd713e71c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling tinytemplate v1.2.0
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling rtrb v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "a318650d3033219ab1739f789bcb48bcfbc99013e7735c18d608c19fd713e71c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a318650d3033219ab1739f789bcb48bcfbc99013e7735c18d608c19fd713e71c", kill_on_drop: false }`
[INFO] [stdout] a318650d3033219ab1739f789bcb48bcfbc99013e7735c18d608c19fd713e71c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 741e4a848bfd292b8d318fb6ff9c52abc1f4c5590450b2cf2d66300869197d9f
[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" "741e4a848bfd292b8d318fb6ff9c52abc1f4c5590450b2cf2d66300869197d9f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rtrb-c59cc7eba2577141
[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] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test zero_sized_type ... ok
[INFO] [stdout] test capacity ... ok
[INFO] [stdout] test zero_capacity ... ok
[INFO] [stdout] test smoke ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/push_and_pop-2ec9f64b3296ffaf
[INFO] [stdout] test parallel ... ok
[INFO] [stdout] test drops ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test write_and_read ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/write_and_read-c4244c14ed94a704
[INFO] [stdout] test write_empty_buf ... ok
[INFO] [stdout] test write_error ... ok
[INFO] [stdout] test read_empty_buf ... ok
[INFO] [stdout] test read_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rtrb
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test src/lib.rs - (line 119) ... ok
[INFO] [stdout] test src/lib.rs - (line 169) ... ok
[INFO] [stdout] test src/lib.rs - (line 142) ... ok
[INFO] [stdout] test src/lib.rs - CopyToUninit (line 1184) ... ok
[INFO] [stdout] test src/lib.rs - Producer (line 498) ... ok
[INFO] [stdout] test src/lib.rs - Consumer (line 704) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::slots (line 890) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::peek (line 772) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::pop (line 748) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::pop (line 736) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::is_empty (line 907) ... ok
[INFO] [stdout] test src/lib.rs - Producer<T>::is_full (line 655) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::read_chunk (line 811) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/lib.rs - (line 47) ... ok
[INFO] [stdout] test src/lib.rs - Producer<T>::push (line 530) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::capacity (line 378) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::eq (line 469) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::new (line 246) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::new (line 255) ... ok
[INFO] [stdout] test src/lib.rs - Producer<T>::slots (line 638) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::split (line 296) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::reset (line 334) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "741e4a848bfd292b8d318fb6ff9c52abc1f4c5590450b2cf2d66300869197d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "741e4a848bfd292b8d318fb6ff9c52abc1f4c5590450b2cf2d66300869197d9f", kill_on_drop: false }`
[INFO] [stdout] 741e4a848bfd292b8d318fb6ff9c52abc1f4c5590450b2cf2d66300869197d9f