[INFO] fetching crate rtrb 0.1.4...
[INFO] testing rtrb-0.1.4 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate rtrb 0.1.4 into /workspace/builds/worker-68/source
[INFO] validating manifest of crates.io crate rtrb 0.1.4 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rtrb 0.1.4
[INFO] finished tweaking crates.io crate rtrb 0.1.4
[INFO] tweaked toml for crates.io crate rtrb 0.1.4 written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0b323cd8fa2bcbde62bc5c37a590ceb47692394561cc770a85fd8b068aea39f
[INFO] running `Command { std: "docker" "start" "-a" "c0b323cd8fa2bcbde62bc5c37a590ceb47692394561cc770a85fd8b068aea39f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0b323cd8fa2bcbde62bc5c37a590ceb47692394561cc770a85fd8b068aea39f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0b323cd8fa2bcbde62bc5c37a590ceb47692394561cc770a85fd8b068aea39f", kill_on_drop: false }`
[INFO] [stdout] c0b323cd8fa2bcbde62bc5c37a590ceb47692394561cc770a85fd8b068aea39f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f9f6f6780daefdb923276aeb07f5c87c510653aa36a03402aef52d871d25ea8
[INFO] running `Command { std: "docker" "start" "-a" "7f9f6f6780daefdb923276aeb07f5c87c510653aa36a03402aef52d871d25ea8", kill_on_drop: false }`
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling rtrb v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "7f9f6f6780daefdb923276aeb07f5c87c510653aa36a03402aef52d871d25ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f9f6f6780daefdb923276aeb07f5c87c510653aa36a03402aef52d871d25ea8", kill_on_drop: false }`
[INFO] [stdout] 7f9f6f6780daefdb923276aeb07f5c87c510653aa36a03402aef52d871d25ea8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 355d3fef4d58ecccfcef8054ec2f73a474aa945809c50517feebe99061d9b928
[INFO] running `Command { std: "docker" "start" "-a" "355d3fef4d58ecccfcef8054ec2f73a474aa945809c50517feebe99061d9b928", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling rtrb v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 24.14s
[INFO] running `Command { std: "docker" "inspect" "355d3fef4d58ecccfcef8054ec2f73a474aa945809c50517feebe99061d9b928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "355d3fef4d58ecccfcef8054ec2f73a474aa945809c50517feebe99061d9b928", kill_on_drop: false }`
[INFO] [stdout] 355d3fef4d58ecccfcef8054ec2f73a474aa945809c50517feebe99061d9b928
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d3c83fd4c3a6821c88c4032318145d5de9a12d80bf41879020d9c5c159e96f3c
[INFO] running `Command { std: "docker" "start" "-a" "d3c83fd4c3a6821c88c4032318145d5de9a12d80bf41879020d9c5c159e96f3c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rtrb-de870544b5d80edc)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/push_and_pop.rs (/opt/rustwide/target/debug/deps/push_and_pop-b9bdccb1fafbc77b)
[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] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test capacity ... ok
[INFO] [stdout] test zero_sized_type ... ok
[INFO] [stdout] test smoke ... ok
[INFO] [stdout] test zero_capacity ... ok
[INFO] [stdout] test parallel ... ok
[INFO] [stderr]      Running tests/write_and_read.rs (/opt/rustwide/target/debug/deps/write_and_read-92ff9739c8ea5f56)
[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 0.39s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test read_error ... ok
[INFO] [stdout] test write_and_read ... ok
[INFO] [stdout] test write_empty_buf ... ok
[INFO] [stdout] test write_error ... ok
[INFO] [stdout] test read_empty_buf ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rtrb
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test src/lib.rs - (line 142) ... ok
[INFO] [stdout] test src/lib.rs - (line 169) ... ok
[INFO] [stdout] test src/lib.rs - (line 119) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::is_abandoned (line 1030) ... ok
[INFO] [stdout] test src/lib.rs - Consumer (line 787) ... ok
[INFO] [stdout] test src/lib.rs - Producer<T>::is_abandoned (line 721) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::split (line 300) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::is_abandoned (line 1045) ... ok
[INFO] [stdout] test src/lib.rs - Producer<T>::slots (line 651) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::is_abandoned (line 1056) ... ok
[INFO] [stdout] test src/lib.rs - Producer (line 508) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::new (line 250) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::slots (line 976) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::is_empty (line 993) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::new (line 259) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::peek (line 855) ... ok
[INFO] [stdout] test src/lib.rs - CopyToUninit (line 1333) ... ok
[INFO] [stdout] test src/lib.rs - Producer<T>::is_abandoned (line 732) ... ok
[INFO] [stdout] test src/lib.rs - Producer<T>::is_full (line 690) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::is_empty (line 1004) ... ok
[INFO] [stdout] test src/lib.rs - Producer<T>::push (line 540) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::capacity (line 382) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::pop (line 831) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::eq (line 473) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::pop (line 819) ... ok
[INFO] [stdout] test src/lib.rs - Producer<T>::is_full (line 668) ... ok
[INFO] [stdout] test src/lib.rs - Producer<T>::is_full (line 679) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::is_empty (line 1015) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::read_chunk (line 894) ... ok
[INFO] [stdout] test src/lib.rs - (line 47) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::reset (line 338) ... ok
[INFO] [stdout] test src/lib.rs - Producer<T>::is_abandoned (line 705) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.83s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d3c83fd4c3a6821c88c4032318145d5de9a12d80bf41879020d9c5c159e96f3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3c83fd4c3a6821c88c4032318145d5de9a12d80bf41879020d9c5c159e96f3c", kill_on_drop: false }`
[INFO] [stdout] d3c83fd4c3a6821c88c4032318145d5de9a12d80bf41879020d9c5c159e96f3c