[INFO] fetching crate rtrb 0.2.1...
[INFO] testing rtrb-0.2.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate rtrb 0.2.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate rtrb 0.2.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rtrb 0.2.1
[INFO] finished tweaking crates.io crate rtrb 0.2.1
[INFO] tweaked toml for crates.io crate rtrb 0.2.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee08b35ed51388e308a8695926ab8f284e1d2e4e4c5f568b108919653712c4db
[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" "ee08b35ed51388e308a8695926ab8f284e1d2e4e4c5f568b108919653712c4db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee08b35ed51388e308a8695926ab8f284e1d2e4e4c5f568b108919653712c4db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee08b35ed51388e308a8695926ab8f284e1d2e4e4c5f568b108919653712c4db", kill_on_drop: false }`
[INFO] [stdout] ee08b35ed51388e308a8695926ab8f284e1d2e4e4c5f568b108919653712c4db
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2a4ad7a8e46e2519037251fcc5d059643d109661a8f91a113aad70323222722
[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" "d2a4ad7a8e46e2519037251fcc5d059643d109661a8f91a113aad70323222722", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cache-padded v1.2.0
[INFO] [stderr]    Compiling rtrb v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `Command { std: "docker" "inspect" "d2a4ad7a8e46e2519037251fcc5d059643d109661a8f91a113aad70323222722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2a4ad7a8e46e2519037251fcc5d059643d109661a8f91a113aad70323222722", kill_on_drop: false }`
[INFO] [stdout] d2a4ad7a8e46e2519037251fcc5d059643d109661a8f91a113aad70323222722
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c57714d0956eb420b75d667d518fde468432528654735a3762fb2b70501ab8c
[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" "1c57714d0956eb420b75d667d518fde468432528654735a3762fb2b70501ab8c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling rtrb v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 23.52s
[INFO] running `Command { std: "docker" "inspect" "1c57714d0956eb420b75d667d518fde468432528654735a3762fb2b70501ab8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c57714d0956eb420b75d667d518fde468432528654735a3762fb2b70501ab8c", kill_on_drop: false }`
[INFO] [stdout] 1c57714d0956eb420b75d667d518fde468432528654735a3762fb2b70501ab8c
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4046fbfbf884e9f8fbd230c984b43d570d9912a14a13566477ae7e147d4eacf5
[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" "4046fbfbf884e9f8fbd230c984b43d570d9912a14a13566477ae7e147d4eacf5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rtrb-cfabaa44eb049f6c)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/chunks.rs (/opt/rustwide/target/debug/deps/chunks-7332a3dd350b26a1)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-fad94ed23849e2fc)
[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 4 tests
[INFO] [stdout] test drop_write_chunk ... ok
[INFO] [stdout] test zero_capacity ... ok
[INFO] [stdout] test trait_impls ... ok
[INFO] [stdout] test iterators ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test capacity ... ok
[INFO] [stdout] test zero_sized_type ... ok
[INFO] [stdout] test zero_capacity ... ok
[INFO] [stdout] test trait_impls ... ok
[INFO] [stdout] test parallel ... ok
[INFO] [stderr]      Running tests/write_and_read.rs (/opt/rustwide/target/debug/deps/write_and_read-88784a5a67fec6a4)
[INFO] [stdout] test drops ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.19s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test write_error ... ok
[INFO] [stdout] test write_empty_buf ... ok
[INFO] [stdout] test read_empty_buf ... ok
[INFO] [stdout] test write_and_read ... 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; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rtrb
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test src/chunks.rs - chunks (line 96) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::is_empty (line 608) ... ok
[INFO] [stdout] test src/chunks.rs - chunks (line 75) ... ok
[INFO] [stdout] test src/chunks.rs - chunks (line 121) ... ok
[INFO] [stdout] test src/chunks.rs - chunks (line 149) ... ok
[INFO] [stdout] test src/chunks.rs - chunks::ReadChunk::commit (line 648) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::peek (line 548) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::is_empty (line 619) ... ok
[INFO] [stdout] test src/chunks.rs - chunks::WriteChunkUninit::fill_from_iter (line 534) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::is_abandoned (line 649) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::is_abandoned (line 634) ... ok
[INFO] [stdout] test src/chunks.rs - chunks::WriteChunkUninit::fill_from_iter (line 514) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::is_empty (line 597) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::is_abandoned (line 660) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/chunks.rs - chunks (line 21) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::pop (line 522) ... ok
[INFO] [stdout] test src/lib.rs - CopyToUninit (line 706) ... ok
[INFO] [stdout] test src/lib.rs - Producer<T>::is_abandoned (line 411) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::pop (line 510) ... ok
[INFO] [stdout] test src/lib.rs - Producer<T>::is_abandoned (line 422) ... ok
[INFO] [stdout] test src/lib.rs - Producer<T>::is_abandoned (line 395) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::slots (line 577) ... ok
[INFO] [stdout] test src/lib.rs - Producer<T>::slots (line 338) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::new (line 102) ... ok
[INFO] [stdout] test src/lib.rs - Producer<T>::push (line 305) ... ok
[INFO] [stdout] test src/lib.rs - Producer<T>::is_full (line 369) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::capacity (line 144) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::eq (line 238) ... ok
[INFO] [stdout] test src/lib.rs - Producer<T>::is_full (line 358) ... ok
[INFO] [stdout] test src/lib.rs - Producer<T>::is_full (line 380) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::new (line 111) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 8.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4046fbfbf884e9f8fbd230c984b43d570d9912a14a13566477ae7e147d4eacf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4046fbfbf884e9f8fbd230c984b43d570d9912a14a13566477ae7e147d4eacf5", kill_on_drop: false }`
[INFO] [stdout] 4046fbfbf884e9f8fbd230c984b43d570d9912a14a13566477ae7e147d4eacf5